CN203035880U - Differential mechanism used for new energy automobile - Google Patents
Differential mechanism used for new energy automobile Download PDFInfo
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- CN203035880U CN203035880U CN 201320050451 CN201320050451U CN203035880U CN 203035880 U CN203035880 U CN 203035880U CN 201320050451 CN201320050451 CN 201320050451 CN 201320050451 U CN201320050451 U CN 201320050451U CN 203035880 U CN203035880 U CN 203035880U
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- planetary
- energy automobile
- differential
- differential mechanism
- planetary carrier
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Abstract
The utility model discloses a differential mechanism used for a new energy automobile. The differential mechanism used for the new energy automobile comprises a driven gear, a planetary gear carrier, two planetary gears, and two half axle gears, wherein the driven gear is fixedly connected with the planetary gear carrier through differential bolts, the left half axle gear and the right half gear are symmetrically arranged in an inner cavity of the planetary gear carrier and are respectively connected with a left half axle and a right half axle, the two half axle gears are jointly meshed with the upper planetary gear and the lower planetary gear, the two planetary gears are arranged in an up and down mode, the two planetary gears are connected with the planetary gear carrier through straight pins, the straight pins penetrate through the planetary gear carrier, and a shell body is movably connected with two ends of the planetary carrier through bearings which play a role of supporting. The differential mechanism used for the new energy automobile is simple and compact in structure, is capable of saving internal space, increases structural arrangement space of a whole automobile, and optimizes installation space and product performance.
Description
Technical field
The utility model relates to a kind of differential mechanism, is specifically related to a kind of differential mechanism for new-energy automobile.
Background technique
Along with rapid economy development, the consumption of petroleum-based energy is increasingly sharpened.Because petroleum-based energy is non-renewable resources, face exhausted danger, for this reason, people attempt replacing existing automobile with new-energy automobile such as electric vehicle.New-energy automobile is not only saved the energy, and the protection environment, meets very much the environmental protection policy of energy-saving and emission-reduction.But because the volume of new-energy automobile is less, existing differential mechanism can not be directly used in new-energy automobile.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of differential mechanism for new-energy automobile, and it can save the inner space of automobile.
For solving the problems of the technologies described above, the technical solution that the utility model is used for the differential mechanism of new-energy automobile is:
Comprise driven gear 1, planetary carrier 2, two planetary pinions 4, two differential gears 6, driven gear 1 is by differential mechanism bolt 3 fixedly connected planetary carriers 2; The inner chamber of planetary carrier 2 is symmetrically arranged with left and right two differential gears 6, and left and right two differential gears 6 connect left and right half respectively; Two differential gear 6 common upper and lower two planetary pinions of engagement 4, two planetary pinions 4 connect described planetary carrier 2 by straight pin 8; Straight pin 8 runs through planetary carrier 2; The two ends of described planetary carrier 2 flexibly connect housing 10 by passive bearing 9.
Duplex driving gear component 11 is meshed in the middle of the described driven gear 1 and, middle duplex driving gear component 11 is meshed with driving gear assembly 12 again, driving gear assembly 12 is complementary with motor shaft, can realize that by middle duplex driving gear component 11 double reduction reduces output speed and increases output torque.
Described housing 10 adopts the lightweight aluminium material.
Described left and right two differential gears 6 have external splines.
Be provided with pad 7 between the inwall of described differential gear 6 and planetary carrier 2.
Be provided with planet tooth adjusting strip 5 between the inwall of described planetary pinion 4 and planetary carrier 2.
The technique effect that the utility model can reach is:
The utility model is simple and compact for structure, can save the inner space, increases the structural configuration space of car load, optimizes installing space and product performance.
The utility model directly is connected with the direct-drive motor flange plate, can improve the product precision, reduces noise and cost of production, make differential mechanism installation, safeguard more convenient.
The utility model adopts double reduction to finish the large speed ratio deceleration, can strengthen the driving driveability of car load.
The utility model can improve the driveability of car load, improve open differential restricted phenomenon is installed, reduce the electric current of new-energy automobile, increase the continuation of the journey mileage of new-energy automobile, increase the driving power of automobile, reduce the noise pollution that the automobile differential operation is sent, reduce the consumption to the energy.
The perfection of the utility model overall appearance, structural design compactness, easy for installation have higher transmission efficiency and superior differential function.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the schematic representation that the utility model is used for the differential mechanism of new-energy automobile.
Description of reference numerals among the figure:
1 is driven gear, and 2 is planetary carrier,
3 is the differential mechanism bolt, and 4 is planetary pinion,
5 is planet tooth adjusting strip, and 6 is differential gear,
7 is pad, and 8 is straight pin,
9 is bearing, and 10 is housing,
11 is middle duplex driving gear component, and 12 is the driving gear assembly.
Embodiment
As shown in Figure 1, the utility model is used for the differential mechanism of new-energy automobile, comprises driven gear 1, planetary carrier 2, planetary pinion 4, differential gear 6, and driven gear 1 is by differential mechanism bolt 3 fixedly connected planetary carriers 2; The inner chamber of planetary carrier 2 is symmetrically arranged with left and right two differential gears 6, and left and right two differential gears 6 connect left and right half respectively, and left and right half connects the wheel on left and right both sides respectively;
Left and right two differential gears 6 have external splines;
Two differential gear 6 common upper and lower two planetary pinions of engagement 4, two planetary pinions 4 connect planetary carrier 2 by straight pin 8; Straight pin 8 runs through planetary carrier 2;
Be provided with pad 7 between the inwall of differential gear 6 and planetary carrier 2;
Be provided with planet tooth adjusting strip 5 between the inwall of planetary pinion 4 and planetary carrier 2;
The two ends of planetary carrier 2 flexibly connect housing 10 by passive bearing 9;
Housing 10 adopts the lightweight aluminium material.
Duplex driving gear component 11 is meshed in the middle of the driven gear 1 and, middle duplex driving gear component 11 is meshed with driving gear assembly 12 again, driving gear assembly 12 is complementary with motor shaft, can realize that by middle duplex driving gear component 11 double reduction reduces output speed and increases output torque.
Working principle of the present utility model is as follows:
When vehicle was kept straight on, motor direct-drive driving gear assembly was realized the one-level deceleration by the duplicate gear transmission, and the double-reduction gear of duplicate gear is realized double reduction by driven gear 1; Behind double reduction, driven gear 1 drives planetary carrier 2 runnings, and planetary carrier 2 directly drives two differential gears 6, drives the wheel on left and right both sides by left and right half, makes automobile running;
Ackermann steer angle, be in differential gear 6(such as the right axle shaft gear in the outside) by upper and lower two planetary pinions 4 and straight pin 8 round being in inboard differential gear 6(such as left half axle gear) the engagement running, realize the differential gear automatic speed regulation on both sides, thereby realize differential function.
The utility model can be implemented in the vehicle traveling process, comes propelling vehicle to travel by the increase and decrease outputting power, reduces output speed, increases output torque; Run into when turning, then can regulate the rotating speed of inside and outside wheel automatically, the assurance foreign steamer can not drag the aggravation wearing and tearing with tire on the road surface, increases the safety coefficient of moving vehicle, improves the travelling comfort of car load.
Claims (6)
1. differential mechanism that is used for new-energy automobile, it is characterized in that: comprise driven gear (1), planetary carrier (2), two planetary pinions (4), two differential gears (6), driven gear (1) is by the fixedly connected planetary carrier of differential mechanism bolt (3) (2); The inner chamber of planetary carrier (2) is symmetrically arranged with left and right two differential gears (6), and left and right two differential gears (6) connect left and right half respectively; Two differential gears (6) mesh upper and lower two planetary pinions (4) jointly, and two planetary pinions (4) connect described planetary carrier (2) by straight pin (8); Straight pin (8) runs through planetary carrier (2); The two ends of described planetary carrier (2) flexibly connect housing (10) by passive bearing (9).
2. the differential mechanism for new-energy automobile according to claim 1, it is characterized in that: duplex driving gear component (11) is meshed in the middle of the described driven gear (1) and, middle duplex driving gear component (11) is meshed with driving gear assembly (12) again, driving gear assembly (12) is complementary with motor shaft, can realize that by middle duplex driving gear component (11) double reduction reduces output speed and increases output torque.
3. the differential mechanism for new-energy automobile according to claim 1 is characterized in that: described housing (10) employing lightweight aluminium material.
4. the differential mechanism for new-energy automobile according to claim 1, it is characterized in that: described left and right two differential gears (6) have external splines.
5. the differential mechanism for new-energy automobile according to claim 1 is characterized in that: be provided with pad (7) between the inwall of described differential gear (6) and planetary carrier (2).
6. the differential mechanism for new-energy automobile according to claim 1 is characterized in that: be provided with planet tooth adjusting strip (5) between the inwall of described planetary pinion (4) and planetary carrier (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050451 CN203035880U (en) | 2013-01-30 | 2013-01-30 | Differential mechanism used for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050451 CN203035880U (en) | 2013-01-30 | 2013-01-30 | Differential mechanism used for new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203035880U true CN203035880U (en) | 2013-07-03 |
Family
ID=48688009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320050451 Expired - Fee Related CN203035880U (en) | 2013-01-30 | 2013-01-30 | Differential mechanism used for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203035880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570422A (en) * | 2016-03-02 | 2016-05-11 | 十堰焕金工贸有限公司 | Speed reducer and differential mechanism assembly for rear axle of electric automobile |
| CN105909730A (en) * | 2016-06-30 | 2016-08-31 | 江苏汤臣汽车零部件有限公司 | Meshing gear for speed reducer of lightweight electric automobile |
| CN108437787A (en) * | 2018-05-19 | 2018-08-24 | 浙江鑫可精密机械有限公司 | A kind of New-energy electric vehicle rear-guard direct connection retarder |
-
2013
- 2013-01-30 CN CN 201320050451 patent/CN203035880U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570422A (en) * | 2016-03-02 | 2016-05-11 | 十堰焕金工贸有限公司 | Speed reducer and differential mechanism assembly for rear axle of electric automobile |
| CN105909730A (en) * | 2016-06-30 | 2016-08-31 | 江苏汤臣汽车零部件有限公司 | Meshing gear for speed reducer of lightweight electric automobile |
| CN108437787A (en) * | 2018-05-19 | 2018-08-24 | 浙江鑫可精密机械有限公司 | A kind of New-energy electric vehicle rear-guard direct connection retarder |
| CN108437787B (en) * | 2018-05-19 | 2023-09-15 | 浙江鑫可传动科技有限公司 | New energy electric automobile rear-drive direct-connection speed reducer |
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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: 20130703 Termination date: 20150130 |
|
| EXPY | Termination of patent right or utility model |