CN204312692U - Motor drives the gearbox of gearshift - Google Patents
Motor drives the gearbox of gearshift Download PDFInfo
- Publication number
- CN204312692U CN204312692U CN201420563388.1U CN201420563388U CN204312692U CN 204312692 U CN204312692 U CN 204312692U CN 201420563388 U CN201420563388 U CN 201420563388U CN 204312692 U CN204312692 U CN 204312692U
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- China
- Prior art keywords
- gear
- ball screw
- selector fork
- fork
- shifting block
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- Expired - Fee Related
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- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 210000004369 Blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Abstract
The utility model relates to a kind of gearbox technology, particularly relate to the gearbox that motor drives gearshift, comprise shift motor, ball screw, shifting block, selector fork, actuator, described ball screw is connected with the output shaft of described shift motor, described shifting block upper end is provided with inner thread sleeve, and described inner thread sleeve is threaded with described ball screw; Selector fork is fixed in the lower end of described shifting block, described selector fork is connected with actuator, cylinder or oil cylinder is replaced with motor, gear shifting force is steadily exported, make gearshift more accurate, and stressed comparatively large due on selector fork, use the design of fork shaft and guide block, selector fork is not directly connected, in order to avoid damage ball screw with ball screw.
Description
Technical field
The utility model relates to a kind of gearbox technology, particularly relates to the gearbox that motor drives gearshift.
Background technique
Gearbox mainly refers to the gearbox of automobile, and it is divided into manual, automatic two kinds, and manual transmission, primarily of gear and axle composition, produces variable-speed torque-converting by different Gear combination; And automatic transmission case AT is made up of torque converter, planetary pinion and hydraulic control system, reach variable-speed torque-converting by the mode of fluid power transmission and Gear combination.Function is: one, change velocity ratio; Two, in the constant situation of hand engine rotation, automobile can be fallen back traveling; Three, utilize neutral, interrupt transmission of power, can to start with motor, idling, and be convenient to shifting of transmission or carry out Power output.
Original gearshift mechanism of conventional automatic gearbox is: servo valve control cylinder or cylinder efficient, cylinder or oil cylinder drive shifting block, shifting block drives selector fork, thus realize transforming gear, due to the impact of bleed pressure or hydraulic coupling, shift pattern uncertain factor, as input signal, the output signal through TCU process neither be very accurate, thus cause berth-changing strength not steady, shift gears inaccurate.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of gear shifting force steady, and motor accurately of shifting gears drives the gearbox of gearshift, and structure is simple, long service life, velocity ratio design more reasonable thus reduce energy consumption further.
Motor drives the gearbox of gearshift, it is characterized in that, comprise shift motor, ball screw, shifting block, selector fork, actuator, described ball screw is connected with the output shaft of described shift motor, described shifting block upper end is provided with inner thread sleeve, and described inner thread sleeve is threaded with described ball screw; Selector fork is fixed in the lower end of described shifting block, and described selector fork is connected with actuator.
In such scheme, the below of described shift motor is provided with fork shaft, and described fork shaft installs guide block, and described guide block is connected with described fork shaft sliding pair, and described guide block is fixed on the joint of described shifting block and selector fork.
In such scheme, described actuator comprises input shaft, output shaft, needle bearing, first gear, second gear, axle, 3rd gear, 4th gear, input shaft is fixedly connected with described first gear, the below of described first gear and described second gears meshing, described second gear and described 4th gear are with being fixedly connected with described axle, described 4th gear and described 3rd gears meshing, described 3rd gear is connected with described output shaft rotation pair, described needle bearing is connected with described output shaft sliding pair by spline, the outer ring of described needle bearing is fixedly connected with the lower end of described selector fork.
The beneficial effects of the utility model are: replace cylinder or oil cylinder with motor, gear shifting force is steadily exported, and make gearshift more accurate, and stressed larger due on selector fork, use the design of fork shaft and guide block, selector fork is not directly connected with ball screw, in order to avoid damage ball screw.
Accompanying drawing explanation
Fig. 1 stereogram of the present utility model.
Fig. 2 structural representation sketch of the present utility model.
Shown in figure: 1, shift motor; 2, ball screw; 3, shifting block; 4, fork shaft; 5, selector fork; 6, guide block; 7, input shaft; 8, output shaft; 9, needle bearing; 10, first gear; 11, second gear; 12, axle; 13, three gear; 14, four gear.
Specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but protection domain of the present utility model is not limited to this.
As shown in Figure 1, 2, motor described in the utility model drives the gearbox of gearshift, comprises shift motor 1, ball screw 2, shifting block 3, fork shaft 4, selector fork 5, guide block 6, input shaft 7, output shaft 8.Described ball screw 2 is connected with the output shaft of described shift motor 1, and described shifting block 3 upper end is provided with inner thread sleeve, and described inner thread sleeve is threaded with described ball screw 2; Selector fork 5 is fixed in the lower end of described shifting block 3.Described actuator comprises input shaft 7, output shaft 8, needle bearing 9, first gear 10, second gear 11, axle 12, 3rd gear 13, 4th gear 14, input shaft 7 is fixedly connected with described first gear 10, the below of described first gear 10 is engaged with described second gear 11, described second gear 11 and described 4th gear 14 are with being fixedly connected with described axle 12, described 4th gear 14 engages with described 3rd gear 13, described 3rd gear is connected with described output shaft 8 revolute pair, described needle bearing 9 is connected with described output shaft 8 sliding pair by spline, the outer ring of described needle bearing 9 is fixedly connected with the lower end of described selector fork 5.
Shift motor 1 is from storage battery power taking, and control ball screw 2 clockwise and anticlockwise, the upper end of selector fork 5 is provided with inner thread sleeve, and described inner thread sleeve is threaded with ball screw.Due in shift process, high-speed gear rotates, can form larger impact force to selector fork 5, this impact force can cause larger infringement to ball screw 2, so as optimal design, fork shaft 4 is installed between selector fork 5 and ball screw 2, fork shaft 4 is provided with guide block 6, and the lower end of guide block 6 is fixedly connected with selector fork 5, and the upper end of guide block is fixedly connected with shifting block 3, the upper end of shifting block is provided with inner thread sleeve, and described inner thread sleeve is threaded with ball screw 2.When ball screw 2 rotates, shifting block 3 is driven to move on ball screw 2, the lower end of shifting block 3 connects guide block 6, guide block 6 can be free to slide on fork shaft 4, the lower end of guide block 6 is fixedly connected with selector fork 5, selector fork 5 can drive needle bearing 9 to move on output shaft 8, needle bearing 9 is rolling bearings, the both sides of inner ring are provided with engaging tooth, inner ring and output shaft 8 pass through spline joint, output shaft 8 is splined shafts, can relative movement in the horizontal direction between needle bearing 9 and output shaft, but cannot relatively rotate, second gear 11 and the 4th gear 14 are all positioned on axle 12, with axle 12 synchronous axial system, first gear 10 and the second gear 11 engage each other, 4th gear 14 and the 3rd gear 13 engage each other, 3rd gear 13 is connected with output shaft 8 revolute pair, when input shaft 7 rotates, the first gear 10 is driven to rotate, first gear 10 and the second gear 11 engage each other, the second gear 11 is driven to rotate, second gear 11 moved axle 12 and drives the 4th gear 14 to rotate, 4th gear 14 and the 3rd gear 13 engage each other, the 3rd gear 13 is driven to rotate.
When shift motor 1 rotates forward, shifting block 3 is moved to the left, shifting block 3 drives guide block to slide on fork shaft 4 left, guide block 6 drives selector fork 5 to be moved to the left, when selector fork 5 is moved to the left, drives needle bearing 9 to be moved to the left, the engaging tooth of inner ring is engaged with the first gear 10, at this moment the inner ring of needle bearing 9 can obtain the rotating speed identical with the first gear 10, then passes to output shaft 8 by spline.
When shift motor 1 reverses, shifting block 3 is moved to the left, shifting block 3 drives guide block to slide on fork shaft 4 to the right, guide block 6 drives selector fork 5 to be moved to the left, when selector fork 5 moves right, drive needle bearing 9 to move right, the engaging tooth of inner ring is engaged with the 3rd gear 13, at this moment the inner ring of needle bearing 9 can obtain the rotating speed identical with the 3rd gear 13, is passing to output shaft 8 by spline.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned mode of execution; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection domain of the present utility model.
Claims (3)
1. motor drives the gearbox of gearshift, it is characterized in that, comprise shift motor (1), ball screw (2), shifting block (3), selector fork (5), actuator, described ball screw (2) is connected with the output shaft of described shift motor (1), described shifting block (3) upper end is provided with inner thread sleeve, and described inner thread sleeve is threaded with described ball screw (2); Selector fork (5) is fixed in the lower end of described shifting block (3), and described selector fork (5) is connected with actuator.
2. motor according to claim 1 drives the gearbox of gearshift, it is characterized in that, the below of described shift motor (1) is provided with fork shaft (4), described fork shaft (4) is installed guide block (6), described guide block (6) is connected with described fork shaft (4) sliding pair, and described guide block (6) is fixed on the joint of described shifting block (3) and selector fork (5).
3. motor according to claim 1 drives the gearbox of gearshift, it is characterized in that, described actuator comprises input shaft (7), output shaft (8), needle bearing (9), first gear (10), second gear (11), axle (12), 3rd gear (13), 4th gear (14), input shaft (7) is fixedly connected with described first gear (10), the below of described first gear (10) is engaged with described second gear (11), described second gear (11) and described 4th gear (14) are with being fixedly connected with described axle (12), described 4th gear (14) engages with described 3rd gear (13), described 3rd gear is connected with described output shaft (8) revolute pair, described needle bearing (9) is connected with described output shaft (8) sliding pair by spline, the outer ring of described needle bearing (9) is fixedly connected with the lower end of described selector fork (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563388.1U CN204312692U (en) | 2014-09-28 | 2014-09-28 | Motor drives the gearbox of gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563388.1U CN204312692U (en) | 2014-09-28 | 2014-09-28 | Motor drives the gearbox of gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312692U true CN204312692U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563388.1U Expired - Fee Related CN204312692U (en) | 2014-09-28 | 2014-09-28 | Motor drives the gearbox of gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315140A (en) * | 2014-09-28 | 2015-01-28 | 唐海滨 | Speed changing box of motor-driven gear shifting mechanism |
| CN106051137A (en) * | 2016-06-28 | 2016-10-26 | 泰州市海博汽车科技有限公司 | Multi-gear gearbox and control method thereof |
-
2014
- 2014-09-28 CN CN201420563388.1U patent/CN204312692U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315140A (en) * | 2014-09-28 | 2015-01-28 | 唐海滨 | Speed changing box of motor-driven gear shifting mechanism |
| CN106051137A (en) * | 2016-06-28 | 2016-10-26 | 泰州市海博汽车科技有限公司 | Multi-gear gearbox and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180709 Address after: 225321 Taizhou City, Jiangsu Province, Gao Hong Kong District Xu Zhuang Cao Guan camp Patentee after: Taizhou Haibo Auto Technology Co., Ltd. Address before: 225323 1 Tuen Jie street, Diao Pu town, Gao Gang, Taizhou, Jiangsu Patentee before: Tang Haibin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20180928 |