CN204226627U - Motor rear axle power-shift gear box - Google Patents
Motor rear axle power-shift gear box Download PDFInfo
- Publication number
- CN204226627U CN204226627U CN201420537661.3U CN201420537661U CN204226627U CN 204226627 U CN204226627 U CN 204226627U CN 201420537661 U CN201420537661 U CN 201420537661U CN 204226627 U CN204226627 U CN 204226627U
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- CN
- China
- Prior art keywords
- gear
- guide rod
- gearshift
- slide plate
- shift
- 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.)
- Withdrawn - After Issue
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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model discloses a kind of motor rear axle power-shift gear box, there is shifting shaft, gearshift driving gear, be parallel to shifting shaft and be provided with guide rod, guide rod rotates and is provided with the gearshift driven gear with driving gear engagement driving of shifting gears, on guide rod outside gearshift driven gear, vertical embedding is fixed with slide plate, guide rod is fixed with shift fork, shift fork is connected with the gearshift ring slided on shifting shaft, gearshift driven gear has towards the outer side surface of slide plate the annular slide track ring be arranged symmetrically with for a pair, described annular slide track ring comprises corresponding low-grade, three of neutral gear and high-grade position have the platform of height difference, with the rotation of gearshift driven gear, slide plate two ends are pressed successively and are driven guide rod to do straight reciprocating motion on the platform, gearshift ring is made to move along shifting shaft axis and realize speed change gear low grade, the conversion of neutral gear and high-grade position.The utility model compact overall structure, long service life, gear shift operation is more convenient, and the stability of variable block is better.
Description
Technical field
The utility model relates to a kind of motor rear axle power-shift gear box.
Background technique
In the transmission system of electric motor car, direct current generator drives wheel to move ahead by gearbox transferring power.The back axle power-shift gear box that existing electric motor car is used, its structure adopts electrical shift and mechanical speed change mode substantially, electrical shift relies on electronic control purely, stability is undesirable, the mechanical type speed change then connecting rod that adopts realizes more, the rotary motion of motor is mutually vertical with the straight reciprocating motion that variable block is shifted, cause complex structure, volume is larger, preparation process is loaded down with trivial details, when above-mentioned variable block mode operates simultaneously, controlling is poor, and mechanical type variable block is subject to service condition and environmetal impact comparatively large, and working life is also shorter.
Model utility content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, when a kind of compact structure, variable block be provided manipulation flexibly, use reliable and stable motor rear axle power-shift gear box.
The utility model solves the technological scheme that its technical problem adopts: a kind of motor rear axle power-shift gear box, there is shifting shaft, pto＝power take-off, shifting shaft is provided with top gear gear and bottom gear gear at a distance of rotating, be positioned on the shifting shaft outside top gear gear and be fixed with power driving gear, pto＝power take-off is fixed with the power driven gear with power driving gear engagement driving, also comprise direct current generator and be fixed on the gearshift driving gear on direct current generator output shaft, be parallel to shifting shaft and be provided with guide rod, guide rod rotates and is provided with the gearshift driven gear with driving gear engagement driving of shifting gears, on guide rod outside gearshift driven gear, vertical embedding is fixed with slide plate, guide rod between top gear gear and bottom gear gear is fixed with shift fork, shift fork is connected with the gearshift ring slided on shifting shaft, gearshift driven gear has towards the outer side surface of slide plate the annular slide track ring be arranged symmetrically with for a pair, described annular slide track ring comprises corresponding low-grade, three of neutral gear and high-grade position have the platform of height difference, with the rotation of gearshift driven gear, slide plate two ends are pressed successively and are driven guide rod to do straight reciprocating motion on the platform, gearshift ring is made to move along shifting shaft axis and realize speed change gear low grade, the conversion of neutral gear and high-grade position.
Further, described slide plate inserts guide rod along guide rod axis central vertical, the side that slide plate is wider and guide rod shaft line parallel, and the narrower side of slide plate is pressed on described platform.
Described guide rod end winding support has pressure ring, the first Returnning spring is provided with between pressure ring and the narrower side of slide plate, be provided with the second Returnning spring between gearshift driven gear and shift fork, by the first Returnning spring, the second action of reset spring, achieve the Rapid reset of slide plate and shift fork.
Be provided with the circular arc slideway of inclination between described platform, when shift speed change, slide plate slides along circular arc slideway, realizes the Fast transforms of gear positions.
Described direct current generator output shaft side is provided with the Hall element that can detect direct current generator output speed, by Hall element at any time to the detection of rotating speed, achieves the electronic monitoring of gearshift.
The beneficial effects of the utility model are: the utility model is by the evolution of the slide plate annularly platform that three, slideway ring is highly different, gearshift ring is driven to move along shifting shaft axis as linear reciprocation, thus realize the conversion of speed change gear low grade, neutral gear and high-grade position, due to direct current generator rotary motion is arranged in parallel with the straight reciprocating motion of gearshift ring, make speed change gear compact overall structure, more be conducive to gear shift operation, stability during variable block is better, can extend the working life of speed change gear.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of gearshift driven gear described in the utility model.
In figure, 1. shifting shaft 2. pto＝power take-off 3. top gear gear 4. bottom gear gear 5. power driving gear 6. power driven gear 7. direct current generators 8. driving gear 9. guide rod 10. driven gear 11. slide plate 12. shift fork 13. of shifting gears of shifting gears is shifted gears ring 14. annular slide track ring 14-1. platform 14-2. circular arc slideway 15. pressure ring 16. first Returnning spring 17. second Returnning spring 18. Hall element 19. power input shaft 20. high gear input gear 21. low gear input gear
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of motor rear axle power-shift gear box as shown in Figure 1 and Figure 2, has power input shaft 19, spacing is arranged on high gear input gear 20 on power input shaft 19 and low gear input gear 21, pto＝power take-off 2 and the power driven gear 6 that is fixed on pto＝power take-off 2.
Described speed change gear also has shifting shaft 1 and direct current generator 7, shifting shaft 1 is provided with top gear gear 3 and bottom gear gear 4 at a distance of rotating, top gear gear 3 and high gear input gear 20 engagement driving, bottom gear gear 4 and low gear input gear 21 engagement driving, be positioned on the shifting shaft 1 outside top gear gear 3 and be fixed with power driving gear 5, power driving gear 5 and power driven gear 6 engagement driving and outputting power.The output shaft of direct current generator 7 is fixed with gearshift driving gear 8, a guide rod 9 is parallel to shifting shaft 1 and arranges, give prominence on the outer end of speed change gear casing at guide rod 9, rotate and be provided with the gearshift driven gear 10 with driving gear 8 engagement driving of shifting gears, direct current generator 7 is fixed on the casing of speed change gear, be provided with the Hall element 18 that can detect direct current generator 7 output speed at direct current generator 7 output shaft side, by Hall element 18 at any time to the detection of rotating speed, achieve the electronic monitoring of shift process.
Be positioned on the guide rod 9 outside gearshift driven gear 10, vertically insert along guide rod 9 axis centre and be fixed with slide plate 11, the side that slide plate 11 is wider and guide rod 9 axis being parallel, the side that slide plate 11 is narrower and guide rod 9 axes normal, guide rod 9 relatively between top gear gear 3 and bottom gear gear 4 is fixed with shift fork 12, shift fork 12 is connected with the gearshift ring 13 slided on shifting shaft 1, gearshift driven gear 10 has towards the outer side surface of slide plate 11 the annular slide track ring 14 be arranged symmetrically with for a pair, described annular slide track ring 14 comprises corresponding low-grade, three of neutral gear and high-grade position have the platform 14-1 of height difference, the narrower side of slide plate 11 is pressed on described one of them platform 14-1, the circular arc slideway 14-2 of inclination is provided with between described platform 14-1, be convenient to the quick sliding transposition of slide plate 11 between described platform 14-1.
Pressure ring 15 is had at guide rod 9 end winding support, the first Returnning spring 16 is provided with between pressure ring 15 and the narrower side of slide plate 11, the second Returnning spring 17 is provided with between gearshift driven gear 10 and shift fork 12, thus acted on by the first Returnning spring 16, second Returnning spring 17, achieve slide plate 11 and the Rapid reset of shift fork 12 when shifting gears.
During use, the two ends of slide plate 11 are pressed on the highest platform 14-1 of annular slide track ring 14, now speed change gear is in low gear position, low gear input gear 21 and bottom gear gear 4 engagement driving, gearshift ring 13 is connected with bottom gear gear 4 joint, power is inputted by low gear input gear 21, gearshift ring 13 is driven to rotate through bottom gear gear 4, and then gearshift ring 13 drives shifting shaft 1 to rotate, power driving gear 5 and power driven gear 6 engagement driving and outputting power, and top gear gear 3 is in idling conditions, electric motor car bottom gear starts, when normal traveling needs to change high gear into, start direct current generator 7, along with direct current generator 7 rotates, gearshift driving gear 8 engages and drives gearshift driven gear 10 to rotate, annular slide track ring 14 is followed gearshift driven gear 10 and is rotated, slide plate 11 two ends are taken advantage of a situation along circular arc slideway 14-2 landing, after representing the second high platform 14-1 of neutral gear position in the middle of annular slide track ring 14, landing is downwards pressed on the platform 14-1 of minimum representative high gear again, meanwhile, slide plate 11 drives guide rod 9 to move linearly to the right, the gearshift ring 13 be fixed on guide rod 9 moves to right with guide rod 9, until gearshift ring 13 is connected with the joint of top gear gear 3, now power is inputted by high gear input gear 20, gearshift ring 13 is driven to rotate through top gear gear 3, and then gearshift ring 13 drives shifting shaft 1 to rotate, power driving gear 5 and power driven gear 6 engagement driving and outputting power, and bottom gear gear 4 is in idling conditions, electric motor car top gear travels, during neutral position, slide plate 11 is pressed in centre and represents on the second high platform 14-1 of neutral, and gearshift ring 13 is between top gear gear 3 and bottom gear gear 4, and do not connect separately, top gear gear 3 and bottom gear gear 4 are all in idling conditions.
The utility model is rotated by gearshift driven gear 10, slide plate 11 is pressed on described platform 14-1 successively drives guide rod 9 to do straight reciprocating motion, and then guide rod 9 drives gearshift ring 13 to realize the conversion of speed change gear low gear, neutral and high gear position along shifting shaft 1 axial sliding movement.This speed change gear compact overall structure, long service life, gear shift operation is more convenient, and the stability of variable block is better.
Above-mentioned mode of execution is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (5)
1. a motor rear axle power-shift gear box, there is shifting shaft (1), pto＝power take-off (2), shifting shaft (1) is upper is provided with top gear gear (3) and bottom gear gear (4) at a distance of rotating, be positioned on the shifting shaft (1) outside top gear gear (3) and be fixed with power driving gear (5), pto＝power take-off (2) is fixed with the power driven gear (6) with power driving gear (5) engagement driving, it is characterized in that: also comprise direct current generator (7) and be fixed on the gearshift driving gear (8) on direct current generator (7) output shaft, be parallel to shifting shaft (1) and be provided with guide rod (9), the upper rotation of guide rod (9) is provided with the gearshift driven gear (10) with driving gear of shifting gears (8) engagement driving, upper vertical embedding of guide rod (9) in gearshift driven gear (10) outside is fixed with slide plate (11), be positioned on the guide rod (9) between top gear gear (3) and bottom gear gear (4) and be fixed with shift fork (12), shift fork (12) is connected with the gearshift ring (13) slided on shifting shaft (1), gearshift driven gear (10) has towards the outer side surface of slide plate (11) the annular slide track ring (14) be arranged symmetrically with for a pair, described annular slide track ring (14) comprises corresponding low-grade, three of neutral gear and high-grade position have the platform (14-1) of height difference, with the rotation of gearshift driven gear (10), slide plate (11) two ends are pressed in successively on described platform (14-1) and drive guide rod (9) to do straight reciprocating motion, gearshift ring (13) is made to move along shifting shaft (1) axis and realize speed change gear low grade, the conversion of neutral gear and high-grade position.
2. motor rear axle power-shift gear box according to claim 1, it is characterized in that: described slide plate (11) vertically inserts guide rod (9) along guide rod (9) axis centre, the side that slide plate (11) is wider and guide rod (9) axis being parallel, the narrower side of slide plate (11) is pressed on described platform (14-1).
3. motor rear axle power-shift gear box according to claim 2, it is characterized in that: described guide rod (9) end winding support has pressure ring (15), be provided with the first Returnning spring (16) between pressure ring (15) and the narrower side of slide plate (11), between gearshift driven gear (10) and shift fork (12), be provided with the second Returnning spring (17).
4. motor rear axle power-shift gear box according to claim 1, is characterized in that: the circular arc slideway (14-2) being provided with inclination between described platform (14-1).
5. motor rear axle power-shift gear box according to claim 1, is characterized in that: described direct current generator (7) output shaft side is provided with the Hall element (18) that can detect direct current generator (7) output speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537661.3U CN204226627U (en) | 2014-09-18 | 2014-09-18 | Motor rear axle power-shift gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537661.3U CN204226627U (en) | 2014-09-18 | 2014-09-18 | Motor rear axle power-shift gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226627U true CN204226627U (en) | 2015-03-25 |
Family
ID=52924726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537661.3U Withdrawn - After Issue CN204226627U (en) | 2014-09-18 | 2014-09-18 | Motor rear axle power-shift gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226627U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN104979950A (en) * | 2015-07-24 | 2015-10-14 | 徐州南普机电科技有限公司 | Automatic gear shifting motor |
| CN105065662A (en) * | 2015-07-15 | 2015-11-18 | 徐州南普机电科技有限公司 | Gear shifting device of two-gear transmission of electric vehicle |
| CN105065654A (en) * | 2015-07-15 | 2015-11-18 | 徐州南普机电科技有限公司 | Two-gear gearbox of electric vehicle |
| CN106286822A (en) * | 2016-08-18 | 2017-01-04 | 上海中科深江电动车辆有限公司 | Automatic gear shifting system for electric automobile |
-
2014
- 2014-09-18 CN CN201420537661.3U patent/CN204226627U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279321A (en) * | 2014-09-18 | 2015-01-14 | 范兆军 | Rear axle gear shifting speed change device of electric vehicle |
| CN105065662A (en) * | 2015-07-15 | 2015-11-18 | 徐州南普机电科技有限公司 | Gear shifting device of two-gear transmission of electric vehicle |
| CN105065654A (en) * | 2015-07-15 | 2015-11-18 | 徐州南普机电科技有限公司 | Two-gear gearbox of electric vehicle |
| CN105065654B (en) * | 2015-07-15 | 2018-06-22 | 徐州南普机电科技有限公司 | A kind of electric vehicle two speed transmission |
| CN104979950A (en) * | 2015-07-24 | 2015-10-14 | 徐州南普机电科技有限公司 | Automatic gear shifting motor |
| CN106286822A (en) * | 2016-08-18 | 2017-01-04 | 上海中科深江电动车辆有限公司 | Automatic gear shifting system for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |