CN110778713A - Transmission gear-shifting parking actuating mechanism - Google Patents
Transmission gear-shifting parking actuating mechanism Download PDFInfo
- Publication number
- CN110778713A CN110778713A CN201911260769.6A CN201911260769A CN110778713A CN 110778713 A CN110778713 A CN 110778713A CN 201911260769 A CN201911260769 A CN 201911260769A CN 110778713 A CN110778713 A CN 110778713A
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- Prior art keywords
- parking
- gear shifting
- guide sleeve
- guide
- push rod
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- Pending
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000010354 integration Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Images
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
According to the gear-shifting parking actuating mechanism of the transmission, the gear-shifting parking sheave rotates to drive the guide sleeve shifting block matched with the gear-shifting parking sheave, the gear-shifting guide sleeve assembly and the parking guide sleeve assembly 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 parking locking and unlocking function and the gear-shifting and reversing function. Compared with the gear shifting actuating mechanism in the prior art, the parking mechanism is integrated, the size 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, a parking execution motor can be omitted, and cost is reduced.
Description
Technical Field
The invention belongs to the field of transmissions, and particularly relates to a gear-shifting parking actuating mechanism of a transmission.
Prior Art
This scheme is applicable to automotive transmission. In a common automobile transmission, a parking actuating mechanism and a gear shifting actuating mechanism are mutually independent and respectively need to be driven, so that the occupied space is large, the cost is high, and parts are relatively more. In the mechanism design of the hybrid power transmission, because the shaft system is complex, the arrangement space of the gear shifting actuating mechanism and the parking mechanism is narrow, if the traditional arrangement form is continuously adopted, the gear shifting actuating mechanism and the parking mechanism are independently arranged, and the space requirement is difficult to meet, so that the two mechanisms are integrated together and are the only choice.
Disclosure of Invention
According to the gear shifting and parking actuating mechanism of the transmission, disclosed by the invention, the gear shifting mechanism and the parking mechanism are integrated, so that the arrangement volume of parts is reduced, the number of parts is reduced, a parking actuating motor can be omitted, and the cost is reduced.
The invention discloses a gear-shifting parking actuating mechanism of a transmission, which comprises a gear-shifting parking grooved wheel, 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 parking grooved wheel is arranged on the front end of the transmission;
the gear shifting parking grooved wheel is used for being driven by a motor to rotate around the axis of the gear shifting parking grooved wheel; the surface of the column body of the gear shifting parking grooved wheel is provided with a gear shifting driving groove and a parking driving groove;
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 periphery of the shifting guide sleeve cylinder is fixed with a shifting fork, and the other side of the periphery of the shifting guide sleeve cylinder acts through a shifting guide sleeve fastening screw and a thread on the shifting guide sleeve cylinder to fix a shifting head on the shifting guide sleeve cylinder; the gear shifting head is clamped into the gear shifting driving groove to be matched with the gear shifting driving groove;
a parking push rod fixing plate extends out of one side of the outer periphery of the parking guide sleeve column body, and a parking pull head is fixed on the other side of the parking guide sleeve column body; the parking pulling head is clamped into the parking driving groove to be matched with the parking driving groove; a parking guide sleeve fastening screw is screwed into the parking guide sleeve cylinder from the parking pull head to fix the parking pull head; a parking push rod assembly is mounted on the parking push rod fixing plate;
when the gear shifting parking sheave works, the gear shifting parking sheave rotates; the gear shifting head slides in the gear shifting driving groove to drive the gear shifting guide sleeve to axially move along the guide rod assembly and drive the gear shifting fork to axially move to realize gear shifting; the parking pull head slides in the parking driving groove, drives the parking guide sleeve to move axially along the guide rod assembly, and drives the parking push rod assembly to move axially to realize parking locking or releasing.
Furthermore, an upper guide part and a lower guide part are respectively arranged at two ends in the parking guide sleeve column body and the gear shifting guide sleeve column body, and the guide parts are linear bearings or bushings or sliding bearings.
Further, the guide rod assembly is provided with a first stroke groove and a second stroke groove along the axial direction; the gear shifting guide sleeve fastening screw is screwed into the gear shifting guide sleeve column from the gear shifting pulling head and slides on the first stroke groove along the axial direction; and the parking guide sleeve fastening screw is screwed into the parking guide sleeve column from the parking pull head and slides on the second stroke groove along the axial direction.
Furthermore, the parking push rod assembly comprises a parking push rod, a parking push rod spring and a parking cam, and the lower 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 a parking cam; one end of the parking push rod spring is in a compressed state and abuts against the parking cam, and the other end of the parking push rod spring abuts against the limiting boss on the parking push rod body.
Further, fixed first limit round pin in guide bar assembly middle part, first limit round pin is used for cooperating along the guide way of axial division with parking uide bushing cylinder outer wall, prevents that parking uide bushing cylinder from rotating around the guide bar assembly.
The beneficial technical effects of the invention are as follows: through the parking sheave rotation of shifting, drive with the parking sheave complex uide bushing shifting block of shifting, drive uide bushing subassembly of shifting, parking uide bushing subassembly and slide from top to bottom along the guide bar assembly, drive shift fork and parking push rod of shifting respectively, realize parking locking and unblock function to and shift back the function. Compared with the gear shifting actuating mechanism in the prior art, the parking mechanism is integrated, the size 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, a parking execution motor can be omitted, and cost is reduced.
Drawings
FIG. 1 is an overall view of a transmission shift park actuator;
FIG. 2 is a diagram of a shift guide sleeve assembly;
FIG. 3 is a cross-sectional view of the shift guide sleeve with the guide member being a linear bearing;
FIG. 4 is a cross-sectional view of the shift guide sleeve assembly with the guide member being a bushing;
FIG. 5 is a cross-sectional view of a shift sleeve assembly with the sleeve fastening screw in a short square configuration;
FIG. 6 is a view of the parking guide sleeve assembly;
FIG. 7 is a cross-sectional view of a parking guide sleeve assembly with the guide member being a linear bearing;
FIG. 8 is a cross-sectional view of the parking guide sleeve with the guide member being a bushing and the guide sleeve fastening screw being short flat;
FIG. 9 is an overall view of the guide bar;
FIG. 10 is a cross-sectional view of the guide bar assembly;
FIG. 11 is an overall view of the guide bar with the first rotation limiting pin;
FIG. 12 is an assembly view of a guide rod assembly with a first rotation limiting pin and a parking guide sleeve cylinder;
FIG. 13 is a parking pushrod view;
fig. 14 is a sectional view of the parking pushrod.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 14, the transmission gear-shifting parking actuating mechanism disclosed by the invention comprises a gear-shifting parking sheave 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 gear shifting parking sheave is used for being driven by a motor to rotate around the axis of the gear shifting parking sheave. The surface of the column body of the gear shifting parking grooved wheel 1 is provided with a gear shifting driving groove 011 and a parking driving groove 012;
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 at two ends in the parking guide sleeve column body and the gear shifting guide sleeve column body, and the guide parts can be linear bearings 111 or bushings 112 or sliding bearings.
Shift uide bushing subassembly 2, parking uide bushing 4 and guide bar assembly 5 have two kinds of cooperation sliding mode, specifically do:
mode 1: the guide rod assembly is provided with a first stroke groove 141 and a second stroke groove 142 along the axial direction; the gear shifting guide sleeve fastening screw 9 is screwed into the gear shifting guide sleeve cylinder 7 from the gear shifting pull head and slides on the first stroke groove 141 along the axial direction; the parking guide bush fastening screw 13 is screwed into the parking guide bush column from the parking extractor 12 and slides on the second stroke groove 142 in the axial direction.
Mode 2: the guide rod assembly is not provided with a stroke groove; a gear shifting guide sleeve fastening screw 9 is screwed into the gear shifting guide sleeve cylinder 7 from a gear shifting pull head, and a gap is reserved between the screw end of the gear shifting guide sleeve fastening screw and the end surface of the through hole in the gear shifting guide sleeve cylinder; parking uide bushing fastening screw 13 is in the screw-in parking uide bushing post from parking pullout 12, and its screw end leaves the clearance with parking uide bushing post internal portion through-hole terminal surface, and axial guide way 151 is opened to parking uide bushing outer wall, and the guide bar assembly middle part is restricted commentaries on classics round pin 23 and guide way 151 mating reaction, prevents that the parking uide bushing from rotating around the guide bar assembly.
One side of the periphery of the gear shifting guide sleeve cylinder 7 is fixed with a gear shifting fork 6, and the other side of the periphery of the gear shifting guide sleeve cylinder 7 is used for fixing a gear shifting head 8 on the gear shifting guide sleeve cylinder 7 through the action of a gear shifting guide sleeve fastening screw 9 and threads on the gear shifting guide sleeve cylinder 7; the gear shifting head is clamped into the gear shifting driving groove 011 to be matched with the gear shifting driving groove;
a parking push rod fixing plate 101 extends out of one side of the periphery of the parking guide sleeve cylinder 10, and a parking pull head 12 is fixed on the other side of the parking guide sleeve cylinder; the parking pulling head is clamped into the parking driving groove 012 to be matched with the parking driving groove; a parking guide sleeve fastening screw 13 is screwed into the parking guide sleeve column from the parking pull head 12 to fix the parking pull head 12; the parking push rod fixing plate 101 is provided with a parking push rod assembly 3;
the fixed first rotation limiting pin 23 in guide bar assembly middle part, the rotation limiting pin is used for cooperating with the guide way 151 that the parking uide bushing cylinder 10 outer wall opened along the axial, prevents that parking uide bushing cylinder 10 from rotating around the guide bar assembly. The end of the guide rod assembly is provided with a second rotation 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 seat hole of the box body.
The parking push rod assembly comprises a parking push rod 16, a parking push rod spring 17 and a parking cam 18, and 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 a parking cam 18; one end of the parking push rod spring is pressed against the parking cam in a compressed state, and the other end of the parking push rod spring is pressed against the limiting boss on the parking push rod body.
When the gear shifting parking sheave works, the gear shifting parking sheave rotates; the gear shifting head slides in the gear shifting driving groove to drive the gear shifting guide sleeve to axially move along the guide rod assembly and drive the gear shifting fork to axially move to realize gear shifting; the parking pull head slides in the parking driving groove, drives the parking guide sleeve to move axially along the guide rod assembly, and drives the parking push rod assembly to move axially to realize parking locking or releasing.
The invention discloses a transmission gear-shifting parking actuating mechanism which comprises:
1) integrating a gear shifting actuating mechanism and a parking actuating mechanism;
2) the gear shifting parking grooved wheel drives the gear shifting guide sleeve assembly and the parking guide sleeve assembly according to a time sequence so as to respectively drive the gear shifting actuating mechanism and the parking actuating mechanism, and a gear shifting function and a parking function are realized;
3) the parking actuating mechanism slides on the guide rod assembly, and a fastening screw of the gear shifting guide sleeve is matched with a gear shifting driving groove of the guide rod assembly to limit the rotational 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 limit pin which is matched with the box body to limit the rotation freedom degree of the guide rod assembly around the axis of the seat hole of the box body.
Claims (5)
1. Transmission parking actuating mechanism that shifts, its characterized in that: the gear-shifting parking device comprises a gear-shifting 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 gear shifting parking grooved wheel is used for being driven by a motor to rotate around the axis of the gear shifting parking grooved wheel; the surface of the cylinder of the gear shifting parking grooved wheel (1) is provided with a gear shifting driving groove (011) and a parking driving groove (012);
the gear shifting guide sleeve assembly (2) and the parking guide sleeve assembly (4) are axially sleeved on the guide rod assembly (5) and can axially slide on the guide rod assembly (5);
one side of the periphery of the gear shifting guide sleeve cylinder (7) is fixed with the gear shifting fork (6), and the other side of the periphery of the gear shifting guide sleeve cylinder (7) is used for fixing the gear shifting head (8) on the gear shifting guide sleeve cylinder (7) through the action of a gear shifting guide sleeve fastening screw (9) and a thread on the gear shifting guide sleeve cylinder (7); the gear shifting head is clamped into a gear shifting driving groove (011) to be matched with the gear shifting driving groove;
a parking push rod fixing plate (101) extends out of one side of the periphery of the parking guide sleeve cylinder (10), and a parking pull head (12) is fixed on the other side of the periphery of the parking guide sleeve cylinder; the parking pulling head is clamped into a parking driving groove (012) to be matched with the parking driving groove; a parking guide sleeve fastening screw (13) is screwed into the parking guide sleeve cylinder from the parking pull head (12) to fix the parking pull head (12); a parking push rod assembly (3) is mounted on the parking push rod fixing plate (101);
when the gear shifting parking sheave works, the gear shifting parking sheave rotates; the gear shifting head slides in the gear shifting driving groove to drive the gear shifting guide sleeve to axially move along the guide rod assembly and drive the gear shifting fork to axially move to realize gear shifting; the parking pull head slides in the parking driving groove, drives the parking guide sleeve to move axially along the guide rod assembly, and drives the parking push rod assembly to move axially to realize parking locking or releasing.
2. The transmission shift park actuator of claim 1, wherein: two ends in the parking guide sleeve column body and the gear shifting guide sleeve column body are respectively provided with an upper guide part (11) and a lower guide part (11), and the guide parts are linear bearings (111) or bushings (112) or sliding bearings.
3. The transmission shift park actuator of claim 2, wherein: the guide rod assembly is provided with a first stroke groove (141) and a second stroke groove (142) along the axial direction; the gear shifting guide sleeve fastening screw (9) is screwed into the gear shifting guide sleeve cylinder (7) from the gear shifting pull head and slides on the first stroke groove (141) along the axial direction; the parking guide sleeve fastening screw (13) is screwed into the parking guide sleeve column from the parking pull head (12) and slides on the second stroke groove (142) along the axial direction.
4. The transmission shift park actuator of claim 3, wherein: the parking push rod assembly (3) comprises a parking push rod (16), a parking push rod spring (17) and a parking cam (18), and the lower 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 a parking cam; one end of the parking push rod spring is in a compressed state and abuts against the parking cam, and the other end of the parking push rod spring abuts against the limiting boss on the parking push rod body.
5. The transmission shift park actuator of claim 4, wherein: fixed first limit round pin (23) in guide bar assembly middle part, first limit round pin is used for cooperating along axially open guide way (151) with parking uide bushing cylinder (10) outer wall, prevents that parking uide bushing cylinder (10) from rotating around the guide bar assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260769.6A CN110778713A (en) | 2019-12-10 | 2019-12-10 | Transmission gear-shifting parking actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260769.6A CN110778713A (en) | 2019-12-10 | 2019-12-10 | Transmission gear-shifting parking actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110778713A true CN110778713A (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260769.6A Pending CN110778713A (en) | 2019-12-10 | 2019-12-10 | Transmission gear-shifting parking actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110778713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4249775A4 (en) * | 2021-01-04 | 2024-05-22 | Jing-Jin Electric Technologies Co., Ltd. | Transmission shifting and parking structure and new energy vehicle |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039380A (en) * | 2000-07-31 | 2002-02-06 | Aichi Mach Ind Co Ltd | Park lock device |
| CN102287527A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Transmission shift mechanism |
| CN102906469A (en) * | 2010-04-06 | 2013-01-30 | 康斯博格汽车股份公司 | Shift fork assembly |
| JP2013209025A (en) * | 2012-03-30 | 2013-10-10 | Fuji Heavy Ind Ltd | Parking lock mechanism |
| CN104006157A (en) * | 2014-05-30 | 2014-08-27 | 长城汽车股份有限公司 | Parking mechanism of automobile transmission |
| CN104149612A (en) * | 2014-04-30 | 2014-11-19 | 浙江吉利控股集团有限公司 | Electronic parking mechanism of double-clutch speed changer |
| 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***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 |
| CN211082813U (en) * | 2019-12-10 | 2020-07-24 | 重庆青山工业有限责任公司 | Transmission gear-shifting parking actuating mechanism |
| CN211852690U (en) * | 2020-01-03 | 2020-11-03 | 吉利汽车研究院（宁波）有限公司 | Two keep off reduction gears |
| CN116816882A (en) * | 2023-07-07 | 2023-09-29 | 燕山大学 | Double-speed lockable intelligent torque active distribution transfer case |
-
2019
- 2019-12-10 CN CN201911260769.6A patent/CN110778713A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039380A (en) * | 2000-07-31 | 2002-02-06 | Aichi Mach Ind Co Ltd | Park lock device |
| CN102906469A (en) * | 2010-04-06 | 2013-01-30 | 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 |
| JP2013209025A (en) * | 2012-03-30 | 2013-10-10 | Fuji Heavy Ind Ltd | Parking lock mechanism |
| CN104149612A (en) * | 2014-04-30 | 2014-11-19 | 浙江吉利控股集团有限公司 | Electronic parking mechanism of double-clutch speed changer |
| CN104006157A (en) * | 2014-05-30 | 2014-08-27 | 长城汽车股份有限公司 | Parking mechanism of automobile transmission |
| 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***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 |
| CN211082813U (en) * | 2019-12-10 | 2020-07-24 | 重庆青山工业有限责任公司 | Transmission gear-shifting parking actuating mechanism |
| CN211852690U (en) * | 2020-01-03 | 2020-11-03 | 吉利汽车研究院（宁波）有限公司 | Two keep off reduction gears |
| CN116816882A (en) * | 2023-07-07 | 2023-09-29 | 燕山大学 | Double-speed lockable intelligent torque active distribution transfer case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4249775A4 (en) * | 2021-01-04 | 2024-05-22 | Jing-Jin Electric Technologies Co., Ltd. | Transmission shifting and parking structure and new energy vehicle |
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