CN203868253U - Simple two-gear speed change gear for electric vehicle - Google Patents
Simple two-gear speed change gear for electric vehicle Download PDFInfo
- Publication number
- CN203868253U CN203868253U CN201420196894.1U CN201420196894U CN203868253U CN 203868253 U CN203868253 U CN 203868253U CN 201420196894 U CN201420196894 U CN 201420196894U CN 203868253 U CN203868253 U CN 203868253U
- Authority
- CN
- China
- Prior art keywords
- drive wheel
- gearbox
- speed change
- electric motor
- change gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a simple two-gear speed change gear for an electric vehicle. The simple two-gear speed change gear comprises a driving axle in rotation connection with a vehicle body. A motor provides driving force for the driving axle, and the motor is fixed to the vehicle body. The motor is in driving connection with the driving axle through a gearbox which is controlled by an operation device, and the operation device is arranged on one side of a seat of the vehicle body. The operation device comprises an operating lever which controls the gearbox through a lifting and pulling wire. By means of the structure, the simple two-gear speed change gear is simple in structure, easy and convenient to operate and capable of being used by being switched between a high-rotation-speed mode and a high-torque mode so as to enhance the applicability of the electric vehicle.
Description
Technical field
The utility model relates to electric automobiles, is specifically related to a kind of simple type second gear speed change gear of electric motor car.
Background technique
Electric motor car, as green rising industry, has 10 years at Chinese development.Aspect electric bicycle, in the end of the year 2010, Chinese electric bicycle has reached 1.2 hundred million, and with annual 30% speed increment.From energy consumption angle, electric bicycle only have motorcycle 1/8th, sedan car 1/12nd; From occupying space, the space that electric bicycle occupies only has 1/20th of general private car; From development trend, electric bicycle industry market prospect is still good.The functionality advantage of once, environmental protection inexpensive, convenient with it of electric bicycle, is subject to city medium or low-income stratum favor.The electric bicycle of China is put on market from developing middle nineteen nineties in last century small lot, to the production and selling since 2012, has been the impetus increasing substantially year by year always.Due in great demand, Chinese electric bicycle market kept great-leap-forward to increase always in recent years.
But because electric motor car provides driving force by battery, its output power is constant, there is no speed reducer, cause electric motor car in the situation that having compared with heavy load, output power of motor is inadequate, is with motionless electric motor car, when serious, can burn out motor or battery; If but in order to improve the moment of torsion of electric motor car, must acceleration and deceleration device, but will reduce like this speed of a motor vehicle, cause electric motor car unloaded in the situation that, the speed of a motor vehicle is still slower, causes the waste of battery power.
Summary of the invention
The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of simple type second gear speed change gear of electric motor car is provided, simple in structure, easy and simple to handle, can be according in the situation of actual road conditions and load-carrying, under two kinds of patterns of high rotating speed or high moment of torsion, switch use, to increase the applicability of electric motor car.
Technical solution adopted in the utility model is:
The simple type second gear speed change gear of electric motor car, comprise the axle shaft being rotationally connected with car body, described axle shaft provides driving force by motor, described motor is fixed on car body, described motor is in transmission connection by gearbox and axle shaft, and described gearbox is by operation equipment control, and described operation equipment is located at a side at the seat of car body, operation equipment comprises operating stem, and described operating stem is by lifting line traffic control gearbox.
The further improvement project of the utility model is, in described gearbox, be provided be in transmission connection transmission shaft A and transmission shaft B, axle shaft is through gearbox, and the output shaft of motor stretches into gearbox, and described output shaft is in transmission connection by transmission shaft A and transmission shaft B and axle shaft.
The utility model further improvement project is, the position that described output shaft is positioned at gearbox is fixed with drive wheel A, transmission shaft A is fixed with drive wheel B and drive wheel C, transmission shaft B is rotatably connected to drive wheel D and drive wheel E and is fixed with drive wheel F, the position that axle shaft is positioned at gearbox is fixed with drive wheel G, described drive wheel D is in transmission connection by drive wheel B and drive wheel A, and drive wheel C and drive wheel E are in transmission connection, and drive wheel F and drive wheel G are in transmission connection.
The utility model further improvement project is, between described drive wheel D and drive wheel E, slidably connect connecting wheel, the circumferential surface middle part of described connecting wheel is provided with circular groove, in described circular groove, be rotatably connected to connecting plate, in described connecting plate and gearbox, set slide bar is slidably connected, and gearbox is stretched out in one end of described slide bar.
The utility model further improvement project is, the both sides end face of described connecting wheel is respectively equipped with connection pawl, the upper set pawl groove coupling that is connected of described connection pawl and drive wheel D, drive wheel E.
The utility model further improvement project is, described transmission shaft B is provided with spline between drive wheel D and drive wheel E, and connecting wheel correspondence is provided with the spline of coupling, and connecting wheel can slide between drive wheel D and drive wheel E.
The utility model further improvement project is, described drive wheel D and drive wheel E are rotationally connected by bearing and transmission shaft B, connecting plate is rotationally connected by bearing and connecting wheel, and output shaft, transmission shaft A, transmission shaft B and axle shaft are all rotationally connected by the casing of bearing and gearbox.
The utility model further improvement project is, described connecting plate is provided with slip through hole, and slip through hole mates with slide bar, and the slide bar in gearbox is provided with baffle ring near external part place, on slide bar, between baffle ring and connecting plate, be equipped with spring, described spring is in compressive state.
The utility model further improvement project is, described slide bar is provided with sliding-groove, and in slip through hole, correspondence is provided with pole.
The utility model further improvement project is, the output terminal of described slide bar is provided with threading head, and described threading head is provided with threading hole, and described threading hole is communicated with sliding-groove, lifts the end of line through threading hole, and fixes with set solidus hole, pole end.
The beneficial effects of the utility model are:
The simple type second gear speed change gear of electric motor car of the present utility model, simple in structure, easy and simple to handle, can, according in the situation of actual road conditions and load-carrying, under two kinds of patterns of high rotating speed or high moment of torsion, switch use, to increase the applicability of electric motor car.
brief description of the drawings:
Fig. 1 is the utility model structure schematic top plan view.
Fig. 2 be gearbox designs in Fig. 1 amplify overlook cross-sectional schematic.
Fig. 3 is that the master that the connecting board structure in Fig. 2 amplifies looks partial schematic sectional view.
embodiment:
Shown in Fig. 1, Fig. 2 and Fig. 3, the utility model comprises the axle shaft 5 being rotationally connected with car body 1, described axle shaft 5 provides driving force by motor 3, described motor 3 is fixed on car body 1, described motor 3 is in transmission connection by gearbox 4 and axle shaft 5, and described gearbox 4 is controlled by operation equipment 2, and described operation equipment 2 is located at a side at the seat 8 of car body 1, operation equipment 2 comprises operating stem 7, and described operating stem 7 is controlled gearbox 4 by lifting line 6; In described gearbox 4, be provided be in transmission connection transmission shaft A11 and transmission shaft B14, axle shaft 5 is through gearbox 4, and the output shaft 9 of motor 3 stretches into gearbox 4, and described output shaft 9 is in transmission connection by transmission shaft A11 and transmission shaft B14 and axle shaft 5; The position that described output shaft 9 is positioned at gearbox 4 is fixed with drive wheel A10, transmission shaft A11 is fixed with drive wheel B12 and drive wheel C13, transmission shaft B14 is rotatably connected to drive wheel D15 and drive wheel E16 and is fixed with drive wheel F17, the position that axle shaft 5 is positioned at gearbox 4 is fixed with drive wheel G19, described drive wheel D15 is in transmission connection by drive wheel B12 and drive wheel A10, drive wheel C13 and drive wheel E16 are in transmission connection, and drive wheel F17 and drive wheel G19 are in transmission connection; Between described drive wheel D15 and drive wheel E16, slidably connect connecting wheel 20, the circumferential surface middle part of described connecting wheel 20 is provided with circular groove 31, in described circular groove 31, be rotatably connected to connecting plate 22, described connecting plate 22 is slidably connected with the interior set slide bar 23 of gearbox 4, and gearbox 4 is stretched out in one end of described slide bar 23; The both sides end face of described connecting wheel 20 is respectively equipped with and connects pawl 27, and described connection pawl 27 mates with the upper set pawl groove that is connected of drive wheel D15, drive wheel E16; Described transmission shaft B14 is provided with spline 21 between drive wheel D15 and drive wheel E16, and connecting wheel 20 correspondences are provided with the spline 29 of coupling, and connecting wheel 20 can slide between drive wheel D15 and drive wheel E16; Described drive wheel D15 and drive wheel E16 are rotationally connected by bearing and transmission shaft B14, connecting plate 22 is rotationally connected by bearing and connecting wheel 20, and output shaft 9, transmission shaft A11, transmission shaft B14 and axle shaft 5 are all rotationally connected by the casing of bearing and gearbox 4; Described connecting plate 22 is provided with slip through hole 30, and slip through hole 30 mates with slide bar 23, and the slide bar 23 in gearbox 4 is provided with baffle ring 25 near external part place, on slide bar 23, between baffle ring 25 and connecting plate 22, is equipped with spring 24, and described spring 24 is in compressive state; Described slide bar 23 is provided with sliding-groove 26, and the interior correspondence of slip through hole 30 is provided with pole 32; The output terminal of described slide bar 23 is provided with threading head 28, and described threading head 28 is provided with threading hole, and described threading hole is communicated with sliding-groove 26, and the end that lifts line 6 is through threading hole, and fixing with set solidus hole 33, pole 32 ends; In the implementation case, the velocity ratio of drive wheel B12 and drive wheel D15 is greater than the velocity ratio of drive wheel C13 and drive wheel E16.
When the utility model uses, connecting plate 22 is under the effect of spring 24, and connection pawl 27 and the drive wheel D15 of connecting plate 22 1 side end faces fix, now drive wheel D15 and transmission shaft B14 interlock, and electric motor car is in high rotating speed Placement; In the time that the driving force of axle shaft 5 is inadequate, manipulation operations bar 7, to lift line 6 lifts, lifting under the effect of line 6, connecting plate 22 overcomes the resistance of spring 24, connection pawl 27 and the drive wheel E16 of connecting plate 22 opposite side end faces fix, now drive wheel E16 and transmission shaft B14 interlock, and electric motor car is in high torsion Placement.
Claims (10)
1. the simple type second gear speed change gear of electric motor car, comprise the axle shaft (5) being rotationally connected with car body (1), described axle shaft (5) provides driving force by motor (3), described motor (3) is fixed on car body (1), it is characterized in that: described motor (3) is in transmission connection by gearbox (4) and axle shaft (5), described gearbox (4) is controlled by operation equipment (2), described operation equipment (2) is located at a side at the seat (8) of car body (1), operation equipment (2) comprises operating stem (7), described operating stem (7) is controlled gearbox (4) by lifting line (6).
2. the simple type second gear speed change gear of electric motor car as claimed in claim 1, it is characterized in that: described gearbox is provided with the transmission shaft A(11 that is in transmission connection in (4)) and transmission shaft B(14), axle shaft (5) is through gearbox (4), the output shaft (9) of motor (3) stretches into gearbox (4), and described output shaft (9) is by transmission shaft A(11) and transmission shaft B(14) be in transmission connection with axle shaft (5).
3. the simple type second gear speed change gear of electric motor car as claimed in claim 2, it is characterized in that: the position that described output shaft (9) is positioned at gearbox (4) is fixed with drive wheel A(10), transmission shaft A(11) be fixed with drive wheel B(12) and drive wheel C(13), transmission shaft B(14) be rotatably connected to drive wheel D(15) and drive wheel E(16) and be fixed with drive wheel F(17), the position that axle shaft (5) is positioned at gearbox (4) is fixed with drive wheel G(19), described drive wheel D(15) by drive wheel B(12) and drive wheel A(10) be in transmission connection, drive wheel C(13) and drive wheel E(16) be in transmission connection, drive wheel F(17) and drive wheel G(19) be in transmission connection.
4. the simple type second gear speed change gear of electric motor car as claimed in claim 3, it is characterized in that: described drive wheel D(15) and drive wheel E(16) between slidably connect connecting wheel (20), the circumferential surface middle part of described connecting wheel (20) is provided with circular groove (31), in described circular groove (31), be rotatably connected to connecting plate (22), described connecting plate (22) is slidably connected with the interior set slide bar (23) of gearbox (4), and gearbox (4) is stretched out in one end of described slide bar (23).
5. the simple type second gear speed change gear of electric motor car as claimed in claim 4, it is characterized in that: the both sides end face of described connecting wheel (20) is respectively equipped with and connects pawl (27), described connection pawl (27) and drive wheel D(15), drive wheel E(16) the upper set pawl groove that is connected mates.
6. the simple type second gear speed change gear of electric motor car as claimed in claim 4, it is characterized in that: described transmission shaft B(14) be positioned at drive wheel D(15) and drive wheel E(16) between be provided with spline (21), connecting wheel (20) correspondence is provided with the spline (29) of coupling, and connecting wheel (20) can be at drive wheel D(15) and drive wheel E(16) between slide.
7. the simple type second gear speed change gear of electric motor car as claimed in claim 4, it is characterized in that: described drive wheel D(15) and drive wheel E(16) by bearing and transmission shaft B(14) be rotationally connected, connecting plate (22) is rotationally connected by bearing and connecting wheel (20), output shaft (9), transmission shaft A(11), transmission shaft B(14) and axle shaft (5) be all rotationally connected by the casing of bearing and gearbox (4).
8. the simple type second gear speed change gear of electric motor car as claimed in claim 4, it is characterized in that: described connecting plate (22) is provided with slip through hole (30), slip through hole (30) mates with slide bar (23), slide bar (23) in gearbox (4) is provided with baffle ring (25) near external part place, on slide bar (23), be positioned between baffle ring (25) and connecting plate (22) and be equipped with spring (24), described spring (24) is in compressive state.
9. the simple type second gear speed change gear of electric motor car as claimed in claim 8, is characterized in that: described slide bar (23) is provided with sliding-groove (26), the interior correspondence of slip through hole (30) is provided with pole (32).
10. the simple type second gear speed change gear of electric motor car as claimed in claim 9, it is characterized in that: the output terminal of described slide bar (23) is provided with threading head (28), described threading head (28) is provided with threading hole, described threading hole is communicated with sliding-groove (26), the end that lifts line (6) is through threading hole, and fixing with set solidus hole (33), pole (32) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196894.1U CN203868253U (en) | 2014-04-22 | 2014-04-22 | Simple two-gear speed change gear for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196894.1U CN203868253U (en) | 2014-04-22 | 2014-04-22 | Simple two-gear speed change gear for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203868253U true CN203868253U (en) | 2014-10-08 |
Family
ID=51649209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196894.1U Expired - Fee Related CN203868253U (en) | 2014-04-22 | 2014-04-22 | Simple two-gear speed change gear for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203868253U (en) |
-
2014
- 2014-04-22 CN CN201420196894.1U patent/CN203868253U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |