CN109798358A - Automatic transmission fork gearshift, shift execution method and automobile - Google Patents
Automatic transmission fork gearshift, shift execution method and automobile Download PDFInfo
- Publication number
- CN109798358A CN109798358A CN201910205461.5A CN201910205461A CN109798358A CN 109798358 A CN109798358 A CN 109798358A CN 201910205461 A CN201910205461 A CN 201910205461A CN 109798358 A CN109798358 A CN 109798358A
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- fork
- motor
- shift
- execution
- automatic transmission
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000033764 rhythmic process Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
本发明公开自动变速器拨叉换挡机构、换挡执行方法及汽车。自动变速器拨叉换挡机构包括拨叉总成、执行电机总成，拨叉总成具有拨叉和拨叉杆，拨叉与拨叉杆固定，拨叉杆包括拨叉下端支撑、拨叉上端支撑及拔叉上端支撑端头设置的执行外螺纹，执行电机总成具有电机端盖、与电机端盖固定的电机壳、放置在电机壳内的电机转子和从电机端盖穿入电机转子的电机转轴螺纹套，电机转轴螺纹套设置执行内螺纹，执行内螺纹与执行外螺纹配合连接，拨叉杆上下移动并带动拨叉总成移动换挡。本发明公开的自动变速器拨叉换挡机构响应快，执行力、位移控制精确，换挡平顺，降低成本，提高了使用舒适度。
The invention discloses an automatic transmission fork shifting mechanism, a shifting execution method and an automobile. The shift fork shift mechanism of the automatic transmission includes a shift fork assembly and an executive motor assembly. The shift fork assembly has a shift fork and a shift fork rod. The shift fork and the shift fork rod are fixed. The execution external thread set on the support end of the upper end of the support and the fork, the execution motor assembly has a motor end cover, a motor casing fixed with the motor end cover, a motor rotor placed in the motor casing, and the motor is inserted into the motor from the motor end cover The motor shaft threaded sleeve of the rotor, the motor shaft threaded sleeve is provided with an inner thread for execution, the inner thread of the execution thread is connected with the outer thread of the execution, and the shift fork rod moves up and down and drives the shift fork assembly to move and shift. The fork shifting mechanism of the automatic transmission disclosed by the invention has quick response, precise control of execution force and displacement, smooth shifting, lower cost and improved use comfort.
Description
Technical field
The present invention relates to automatic gearbox fields, and in particular to automatic transmission fork gearshift, shift execute
Method and automobile.
Background technique
The automatic transmission fork gearshift of the prior art is as shown in Figures 1 to 4, including shifting fork assembly 1 and hydraulic valve
Plate assembly 3, wherein shifting fork assembly 1 includes with the shift fork lower end support 121 being slidably connected with case of transmission, dials
Fork upper end support 122 and the shift fork 11 that is fixedly mounted on fork assembly, hydraulic valve plate assembly 3 include to have and hydraulic cylinder
The execution piston 32 of 31 sliding connections wherein has on shift fork 11 and executes prong 111, has on execution piston 32 and executes slot
Mouth 321, when shift, the hydraulic drive of hydraulic valve plate assembly executes piston 32 and moves, and executes the execution notch 321 on piston 32
Cooperate with the execution prong 111 on shift fork 11, so that shifting fork assembly 1 be pushed to be moved, completes to hang shelves movement.But because of current liquid
Pressure valve plate assembly 3 must use dust-free workshop be assembled, so initial capital investment it is very high, and hydraulic valve plate assembly 3 plus
Work manufacture difficulty is big, and processing cost is high, and the up and down motion for executing piston 32 is that high-pressure fluid is generated by hydraulic pump, then by electricity
Pond valve is disconnected or is opened come what is controlled, and action response is slow, and the power, Bit andits control in implementation procedure are inaccurate, causes to shift gears
The performance issues such as shift pause and transition in rhythm or melody, shift noise are generated in journey.
Summary of the invention
The present invention proposes automatic transmission fork gearshift, introduces the control fork assembly movement of actuating motor assembly, solution
Response lag of certainly shifting gears and shift pause and transition in rhythm or melody problem, keep gear shifting structure more compact.
The invention also discloses method is executed using the shift of automatic transmission fork gearshift, it is total to introduce actuating motor
It is mobile at control fork assembly, it solves the problems, such as shift response lag and pause and transition in rhythm or melody of shifting gears, keeps gear shifting structure more compact.
The invention also discloses the automobiles using automatic transmission fork gearshift, introduce the control of actuating motor assembly and pull out
It is mobile to pitch assembly, solves the problems, such as shift response lag and pause and transition in rhythm or melody of shifting gears, keeps gear shifting structure more compact.
Automatic transmission fork gearshift disclosed by the invention, including, shifting fork assembly and actuating motor assembly；
The shifting fork assembly is made of shift fork and yoke bar, and the shift fork is fixedly set on yoke bar；
The lower end of the yoke bar is the support of shift fork lower end, and the upper end of the yoke bar is the support of shift fork upper end；On the fork
The end setting of end support executes external screw thread；
The actuating motor assembly includes electric motor end cap, motor casing, machine shaft thread bush, rotor；The motor casing is solid
It is scheduled on electric motor end cap, the rotor is placed in motor casing, and machine shaft screw thread set upper side is worn from electric motor end cap
Enter in motor casing shell and be fixedly connected with rotor, the machine shaft thread bush inner wall setting executes internal screw thread；
The execution internal screw thread and the execution external screw thread are cooperatively connected；
Further, the support of shift fork lower end, the support of shift fork upper end of the yoke bar are matched for carrying out sliding with case of transmission
It closes；
Further, the electric motor end cap 22 is for being fixedly mounted on one side end face of mission case；
Further, the execution external screw thread is T shape external screw thread, and the execution internal screw thread is T shape internal screw thread.
Method is executed using the shift of above-mentioned automatic transmission fork gearshift,
When shift, rotor rotation drives the rotation of machine shaft thread bush, executes internal screw thread and rotates and drive execution external screw thread
It moves up and down, yoke bar moves up and down and drives shifting fork assembly moving gear shift.
Using the automobile of above-mentioned automatic transmission fork gearshift.
Advantageous effects of the present invention are as follows:
1) machine shaft thread bush is controlled by motor, and response is fast, and the movement of shifting fork assembly is by holding on yoke bar
Row external screw thread is stressed directly effect, and no setting is required executes prong for shift fork, and design of part is simple, and system lash is small, and it is high to execute precision,
2) it executes external screw thread and is deep into inside motor and cooperated with execution internal screw thread, it is compact-sized, installation space is saved,
Reduce speed changer overall volume, meet light-weight design, reduces fuel consumption.
3) control shift being rotated by motor, execution efficiency is high, and part is few, and structure is simple, and system lash is small,
It is high to execute precision, avoids shift pause and transition in rhythm or melody, improves the shift quality of speed changer.
Detailed description of the invention
Fig. 1 is the hydraulic shifting fork gear-shifting mechanism schematic diagram of prior art automatic transmission；
Fig. 2 is the hydraulic shift fork schematic diagram of prior art automatic transmission；
Fig. 3 is the hydraulic valve plate assembly diagram of prior art automatic transmission；
Fig. 4 is the execution piston schematic diagram of prior art automatic transmission；
Fig. 5 is automatic transmission shifting fork gear-shifting mechanism schematic diagram of the present invention；
Fig. 6 is shifting fork assembly schematic diagram of the present invention；
Fig. 7 is motor assembly schematic diagram of the present invention；
Fig. 8 is motor assembly diagrammatic cross-section of the present invention；
Wherein, 1- shifting fork assembly, 11- shift fork, 12- fork bar, the support of 121- shift fork lower end, the support of 122- fork upper end, 123-
Execution external screw thread, 2- motor assembly, 21- machine shaft thread bush, 22- electric motor end cap, 23- rotor, 24- motor casing,
211- executes internal screw thread, 3- hydraulic valve plate assembly, 31- hydraulic cylinder, 32- execution piston, 321- execution notch.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Referring to Fig. 5 to Fig. 8, automatic transmission fork gearshift, comprising: shifting fork assembly 1 and actuating motor assembly 2.
Shifting fork assembly 1 is made of shift fork 11 and yoke bar 12, and shift fork 11 is fixedly set on yoke bar 12, yoke bar 12
Lower end is shift fork lower end support 121, and the upper end of yoke bar 12 is shift fork upper end support 122, the shift fork lower end support of yoke bar 12
121, shift fork upper end support 122 is slidably matched with case of transmission.The end setting of fork upper end support 122 executes outer spiral shell
Line 123.
Actuating motor assembly 2 includes electric motor end cap 22, motor casing 24, machine shaft thread bush 21, rotor 23.Motor
End cap 22 is fixedly mounted on one side end face of mission case.Motor casing 24 is fixed on electric motor end cap 22, and rotor 23 is put
It is placed in motor casing 24,21 upper end of machine shaft thread bush penetrates in 24 shell of motor casing from electric motor end cap 22 and and rotor
23 are fixedly connected, and the setting of 21 inner wall of machine shaft thread bush executes internal screw thread 211.
It executes internal screw thread 211 and executes external screw thread 123 and be cooperatively connected.Execution external screw thread 123 is T shape external screw thread, in execution
Screw thread 211 is T shape internal screw thread.
The invention also discloses method is executed using the shift of above-mentioned automatic transmission fork gearshift, both: when shift,
Rotor 23 rotates, and machine shaft thread bush 21 is driven to rotate, and execution internal screw thread 211, which is rotated and driven, executes external screw thread 123
It moves up and down, yoke bar 12 moves up and down and drives shifting fork assembly 1 mobile, completes gear shifting action.
The invention also discloses the automobiles using above-mentioned automatic transmission fork gearshift.
Since machine shaft thread bush 21 is controlled by motor, response is fast, and the movement of shifting fork assembly 1 is by dialling
Execution external screw thread 123 on fork arm 12 is stressed directly effect, and no setting is required executes prong for shift fork, and design of part is simple, between system
Gap is small, executes precision height, avoids shift pause and transition in rhythm or melody, improve the shift quality of speed changer.And executing external screw thread 123 is deeply
Cooperated to 2 inside of motor assembly with execution internal screw thread 211, it is compact-sized, installation space is saved, speed changer entirety body is made
Product reduces, and meets light-weight design, reduces cost.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205461.5A CN109798358A (en) | 2019-03-18 | 2019-03-18 | Automatic transmission fork gearshift, shift execution method and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205461.5A CN109798358A (en) | 2019-03-18 | 2019-03-18 | Automatic transmission fork gearshift, shift execution method and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798358A true CN109798358A (en) | 2019-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910205461.5A Pending CN109798358A (en) | 2019-03-18 | 2019-03-18 | Automatic transmission fork gearshift, shift execution method and automobile |
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| Country | Link |
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| CN (1) | CN109798358A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202182174U (en) * | 2011-07-31 | 2012-04-04 | 长城汽车股份有限公司 | Automobile electric gearshift mechanism |
| CN203847684U (en) * | 2014-06-06 | 2014-09-24 | 合肥工业大学 | Gear sensor for two-gear automatic transmission of pure electric vehicle |
| CN105864423A (en) * | 2016-06-14 | 2016-08-17 | 西安交通大学 | Coaxial mechanical automatic gear selecting and shifting system used for automobile and driven by two servo motors |
| CN210034377U (en) * | 2019-03-18 | 2020-02-07 | 重庆青山工业有限责任公司 | Automatic derailleur shift fork gearshift and adopt its car |
-
2019
- 2019-03-18 CN CN201910205461.5A patent/CN109798358A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202182174U (en) * | 2011-07-31 | 2012-04-04 | 长城汽车股份有限公司 | Automobile electric gearshift mechanism |
| CN203847684U (en) * | 2014-06-06 | 2014-09-24 | 合肥工业大学 | Gear sensor for two-gear automatic transmission of pure electric vehicle |
| CN105864423A (en) * | 2016-06-14 | 2016-08-17 | 西安交通大学 | Coaxial mechanical automatic gear selecting and shifting system used for automobile and driven by two servo motors |
| CN210034377U (en) * | 2019-03-18 | 2020-02-07 | 重庆青山工业有限责任公司 | Automatic derailleur shift fork gearshift and adopt its car |
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| PB01 | Publication | ||
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Application publication date: 20190524 |