CN110778713B - Gear shifting parking actuating mechanism of transmission - Google Patents
Gear shifting parking actuating mechanism of transmission Download PDFInfo
- Publication number
- CN110778713B CN110778713B CN201911260769.6A CN201911260769A CN110778713B CN 110778713 B CN110778713 B CN 110778713B CN 201911260769 A CN201911260769 A CN 201911260769A CN 110778713 B CN110778713 B CN 110778713B
- Authority
- CN
- China
- Prior art keywords
- parking
- shift
- guide sleeve
- guide
- push rod
- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 title abstract description 31
- 230000010354 integration Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
本发明公开的变速器换挡驻车执行机构，通过换挡驻车槽轮旋转，带动与换挡驻车槽轮配合的导向套拨头，带动换挡导向套组件、驻车导向套组件沿导向杆总成上下滑动，分别驱动换挡拨叉和驻车推杆，实现驻车锁止与解锁功能，以及换退挡功能。相对现有技术换挡执行机构，将驻车机构进行了集成，缩小了零部件体积，拓宽了机构的适用范围，减少了零部件数量，使结构得到简化。经集成后，可省去驻车执行电机，降低了成本。
The transmission shift and parking actuator disclosed in the present invention drives the guide sleeve head matched with the shift and parking slot wheel to drive the shift guide sleeve assembly and the parking guide sleeve assembly to slide up and down along the guide rod assembly, respectively driving the shift fork and the parking push rod to realize the parking locking and unlocking functions, as well as the shift and reverse gear functions. Compared with the prior art shift actuator, the parking mechanism is integrated, the volume of parts is reduced, the application range of the mechanism is widened, the number of parts is reduced, and the structure is simplified. After integration, the parking actuator motor can be omitted, reducing the cost.
Description
Technical Field
The invention belongs to the field of speed variators, and particularly relates to a gear shifting parking actuating mechanism of a speed changer.
Prior Art
The scheme is suitable for the automobile transmission. In a common automobile transmission, a parking actuating mechanism and a gear shifting actuating mechanism are mutually independent, and respectively need a drive, so that the parking actuating mechanism and the gear shifting actuating mechanism occupy large space, have high cost and have relatively more parts. In the mechanism design of the hybrid transmission, because the shafting is complex, the arrangement space of the gear shifting actuating mechanism and the parking mechanism is narrow, if the traditional arrangement form is adopted continuously, the gear shifting actuating mechanism and the parking mechanism are independently arranged, and the space requirement is difficult to meet, so that the two sets of mechanisms are integrated together, and the gear shifting actuating mechanism and the parking mechanism are the only choice.
Disclosure of Invention
According to the gear shifting parking executing mechanism of the transmission, disclosed by the invention, the gear shifting mechanism and the parking mechanism are integrated together, so that the arrangement volume of parts is reduced, the number of parts is reduced, a parking executing motor can be omitted, and the cost is reduced.
The invention discloses a gear shifting parking executing mechanism of a speed changer, which comprises a gear shifting parking sheave, a guide rod assembly, a gear shifting guide sleeve assembly, a parking guide sleeve assembly and a parking push rod assembly, wherein the gear shifting guide sleeve assembly is arranged on the gear shifting sheave;
the gear shifting parking grooved pulley is driven by a motor to rotate around the axis of the gear shifting parking grooved pulley, and a gear shifting driving groove and a parking driving groove are formed in the surface of the gear shifting parking grooved pulley cylinder;
The gear shifting guide sleeve assembly and the parking guide sleeve assembly are axially sleeved on the guide rod assembly and can axially slide on the guide rod assembly;
One side of the outer periphery of the gear shifting guide sleeve column body is fixed with a gear shifting fork, and the other side of the outer periphery of the gear shifting guide sleeve column body is in threaded action with a gear shifting guide sleeve fastening screw to fix a gear shifting head on the gear shifting guide sleeve column body;
The parking guide sleeve comprises a parking guide sleeve column body, a parking push rod fixing plate, a parking push rod assembly, a parking guide sleeve fastening screw, a parking guide sleeve fixing plate, a parking push rod assembly and a parking guide sleeve fixing plate, wherein one side of the outer periphery of the parking guide sleeve column body extends out of the parking push rod fixing plate, and the other side of the outer periphery of the parking guide sleeve column body is fixed with the parking push rod assembly;
During operation, the gear shifting parking grooved wheel rotates; the parking puller slides in the parking driving groove to drive the parking guide sleeve to axially move along the guide rod assembly to drive the parking push rod assembly to axially move so as to lock or release a parking car.
Further, an upper guide part and a lower guide part are respectively arranged in the parking guide sleeve column body and the gear shifting guide sleeve column body at two ends, and the guide parts are linear bearings or bushings or sliding bearings.
Further, the guide rod assembly is provided with a first travel groove and a second travel groove along the axial direction; the parking guide sleeve fastening screw is screwed into the parking guide sleeve column from the parking pulling head and slides on the second travel groove along the axial direction.
The parking push rod assembly comprises a parking push rod, a parking push rod spring and a parking cam, wherein the lower end of the parking push rod is sleeved in an opening of a parking push rod fixing plate in a hollow mode, the upper end of the parking push rod is sleeved with the parking cam, one end of the parking push rod spring is in a compressed mode, and the other end of the parking push rod spring is propped against the parking cam, and the other end of the parking push rod spring is propped against a limiting boss on a parking push rod body.
Further, a first limiting pin is fixed in the middle of the guide rod assembly and is used for being matched with a guide groove axially formed in the outer wall of the parking guide sleeve body to prevent the parking guide sleeve body from rotating around the guide rod assembly.
The gear shifting device has the beneficial technical effects that the gear shifting parking grooved pulley rotates to drive the guide sleeve shifting head matched with the gear shifting parking grooved pulley, the gear shifting guide sleeve assembly and the parking guide sleeve assembly are driven to slide up and down along the guide rod assembly, and the gear shifting fork and the parking push rod are respectively driven to realize the functions of locking and unlocking a parking vehicle and the gear shifting and reversing. Compared with the gear shifting actuating mechanism in the prior art, the parking mechanism is integrated, the volume of parts is reduced, the application range of the mechanism is widened, the number of parts is reduced, and the structure is simplified. After integration, the parking executing motor can be omitted, and the cost is reduced.
Drawings
FIG. 1 is a diagram of a transmission shift park actuator assembly;
FIG. 2 is a block diagram of a shift collar assembly;
FIG. 3 is a cross-sectional view of a shift collar with a linear bearing as the guide member;
FIG. 4 is a cross-sectional view of a shift collar assembly with a guide member as a bushing;
FIG. 5 is a cross-sectional view of a shift collar assembly with collar tightening screws in a short flat mode;
FIG. 6 is a block diagram of a park guide sleeve assembly;
FIG. 7 is a cross-sectional view of a park guide sleeve assembly with a linear bearing as the guide member;
FIG. 8 is a cross-sectional view of a parking guide sleeve with a bushing as the guide member and a short flat version of the guide sleeve fastening screw;
FIG. 9 is a guide bar assembly view;
FIG. 10 is a cross-sectional view of the guide bar assembly;
FIG. 11 is a view of the guide bar assembly with a first pivot pin;
FIG. 12 is an assembly view of a guide bar assembly with a first pivot pin and a park guide sleeve cylinder;
FIG. 13 is a parking pushrod illustration;
fig. 14 is a sectional view of a parking pushrod.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 14, the transmission gear shifting and parking executing mechanism disclosed by the invention comprises a gear shifting and parking grooved wheel 1, a guide rod assembly 5, a gear shifting guide sleeve assembly 2, a parking guide sleeve assembly 4 and a parking push rod assembly 3.
The shift park sheave is adapted to be driven by a motor to rotate about its own axis. A gear shifting driving groove 011 and a parking driving groove 012 are formed on the surface of the cylinder of the gear shifting parking grooved pulley 1;
The gear shifting guide sleeve assembly 2 and the parking guide sleeve 4 are axially sleeved on the guide rod assembly 5 and can axially slide on the guide rod assembly 5, an upper guide part 11 and a lower guide part 11 are respectively arranged in the parking guide sleeve cylinder and at two ends in the gear shifting guide sleeve cylinder, and the guide parts can be linear bearings 111, bushings 112 or sliding bearings.
Two matched sliding modes exist for the gear shifting guide sleeve assembly 2, the parking guide sleeve 4 and the guide rod assembly 5, and the gear shifting guide sleeve assembly is specifically:
In the mode 1, a first travel groove 141 and a second travel groove 142 are formed in the guide rod assembly along the axial direction, a gear shifting guide sleeve fastening screw 9 is screwed into a gear shifting guide sleeve column 7 from a gear shifting pulling head and slides on the first travel groove 141 along the axial direction, and a parking guide sleeve fastening screw 13 is screwed into a parking guide sleeve column from a parking pulling head 12 and slides on the second travel groove 142 along the axial direction.
The mode 2 is that a travel groove is not formed in the guide rod assembly, a gear shifting guide sleeve fastening screw 9 is screwed into a gear shifting guide sleeve column 7 from a gear shifting pulling head, a gap is reserved between the end face of the screw and the end face of a through hole in the gear shifting guide sleeve column, a parking guide sleeve fastening screw 13 is screwed into a parking guide sleeve column from a parking pulling head 12, a gap is reserved between the end face of the screw and the end face of the through hole in the parking guide sleeve column, an axial guide groove 151 is formed in the outer wall of the parking guide sleeve, and a limiting pin 23 in the middle of the guide rod assembly cooperates with the guide groove 151 to prevent the parking guide sleeve from rotating around the guide rod assembly.
One side of the periphery of the gear shifting guide sleeve column 7 is fixed with a gear shifting fork 6, and the other side is in threaded action with the gear shifting guide sleeve column 7 by a gear shifting guide sleeve fastening screw 9 to fix a gear shifting head 8 on the gear shifting guide sleeve column 7;
A parking push rod fixing plate 101 extends from one side of the periphery of the parking guide sleeve column body 10, and a parking pulling head 12 is fixed at the other side of the periphery of the parking guide sleeve column body, and is clamped into a parking driving groove 012 to be matched with the parking pulling head;
The first limiting pin 23 is fixed in the middle of the guide rod assembly, and the limiting pin is used for being matched with a guide groove 151 axially formed in the outer wall of the parking guide sleeve 10 to prevent the parking guide sleeve cylinder 10 from rotating around the guide rod assembly. The end of the guide rod assembly is provided with a second limiting pin 15 which is matched with the box body to limit the rotation freedom degree of the guide rod assembly around the axis of the box body seat.
The parking push rod assembly comprises a parking push rod 16, a parking push rod spring 17 and a parking cam 18, wherein the tail end of the parking push rod is sleeved in an opening of a parking push rod fixing plate in an empty mode, the upper end of the parking push rod is sleeved with the parking cam 18, one end of the parking push rod spring is in a compressed mode, and the other end of the parking push rod spring is propped against the parking cam, and the other end of the parking push rod spring is propped against a limiting boss on a parking push rod body.
During operation, the gear shifting parking grooved wheel rotates; the parking puller slides in the parking driving groove to drive the parking guide sleeve to axially move along the guide rod assembly to drive the parking push rod assembly to axially move so as to lock or release a parking car.
The invention discloses a gear shifting parking executing mechanism of a transmission, which comprises the following steps:
1) Integrating a gear shifting executing mechanism with a parking executing mechanism;
2) The gear shifting parking grooved wheel drives the gear shifting guide sleeve assembly and the parking guide sleeve assembly according to the time sequence, so that the gear shifting executing mechanism and the parking executing mechanism are respectively driven, and a gear shifting function and a parking function are realized;
3) The parking actuating mechanism slides on the guide rod assembly, and the gear shifting guide sleeve fastening screw is matched with a gear shifting driving groove of the guide rod assembly to limit the rotation freedom degree of the parking guide sleeve around the guide rod assembly;
4) The end part of the guide rod assembly is provided with a limiting rotating pin which is matched with the box body to limit the rotation freedom degree of the guide rod assembly around the axis of the box body seat.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260769.6A CN110778713B (en) | 2019-12-10 | 2019-12-10 | Gear shifting parking actuating mechanism of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260769.6A CN110778713B (en) | 2019-12-10 | 2019-12-10 | Gear shifting parking actuating mechanism of transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110778713A CN110778713A (en) | 2020-02-11 |
| CN110778713B true CN110778713B (en) | 2024-11-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260769.6A Active CN110778713B (en) | 2019-12-10 | 2019-12-10 | Gear shifting parking actuating mechanism of transmission |
Country Status (1)
| Country | Link |
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| CN (1) | CN110778713B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513586A (en) * | 2020-04-09 | 2021-10-19 | 舍弗勒技术股份两合公司 | Actuating device for a transmission system and transmission system |
| CN112728064A (en) * | 2021-01-04 | 2021-04-30 | 精进电动科技股份有限公司 | Transmission gear-shifting parking structure and new energy automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211082813U (en) * | 2019-12-10 | 2020-07-24 | 重庆青山工业有限责任公司 | Transmission shift park actuator |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039380A (en) * | 2000-07-31 | 2002-02-06 | Aichi Mach Ind Co Ltd | Park lock device |
| CN102906469B (en) * | 2010-04-06 | 2015-09-02 | 康斯博格汽车股份公司 | shift fork assembly |
| CN102287527A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Transmission shift mechanism |
| JP5909400B2 (en) * | 2012-03-30 | 2016-04-26 | 富士重工業株式会社 | Parking lock mechanism |
| CN104149612B (en) * | 2014-04-30 | 2016-08-31 | 宁波上中下自动变速器有限公司 | Double-clutch speed changer electronic parking mechanism |
| CN104006157B (en) * | 2014-05-30 | 2016-08-31 | 长城汽车股份有限公司 | A kind of automotive transmission halting mechanism |
| CN204041973U (en) * | 2014-08-18 | 2014-12-24 | 中国第一汽车股份有限公司 | A kind of gear shifting pulling head with neutral position switch groove |
| CN204437254U (en) * | 2015-01-26 | 2015-07-01 | 长城汽车股份有限公司 | The halting mechanism of automatic transmission, automatic transmission and automobile |
| CN206112045U (en) * | 2016-08-10 | 2017-04-19 | 河北工业大学 | Electric automobile transmission |
| CN107300016A (en) * | 2017-07-03 | 2017-10-27 | 格特拉克（江西）传动系统有限公司 | A kind of automatic transmission gear shift fork with decoupling device |
| CN107499292A (en) * | 2017-07-31 | 2017-12-22 | 重庆青山工业有限责任公司 | automatic transmission electronic parking mechanism |
| CN108644371A (en) * | 2018-04-17 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | A kind of parking gear shifting mechanism |
| CN209115661U (en) * | 2018-09-26 | 2019-07-16 | 宁波上中下自动变速器有限公司 | The execution assembly of parking and shift |
| CN211852690U (en) * | 2020-01-03 | 2020-11-03 | 吉利汽车研究院（宁波）有限公司 | A two-speed reduction mechanism |
| CN116816882A (en) * | 2023-07-07 | 2023-09-29 | 燕山大学 | A two-speed lockable intelligent transfer case with active torque distribution |
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2019
- 2019-12-10 CN CN201911260769.6A patent/CN110778713B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211082813U (en) * | 2019-12-10 | 2020-07-24 | 重庆青山工业有限责任公司 | Transmission shift park actuator |
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| Publication number | Publication date |
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| CN110778713A (en) | 2020-02-11 |
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