CN210014004U - P of electron executor of shifting gears keeps off release mechanism - Google Patents
P of electron executor of shifting gears keeps off release mechanism Download PDFInfo
- Publication number
- CN210014004U CN210014004U CN201920607202.0U CN201920607202U CN210014004U CN 210014004 U CN210014004 U CN 210014004U CN 201920607202 U CN201920607202 U CN 201920607202U CN 210014004 U CN210014004 U CN 210014004U
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- unlocking
- gear
- pawl
- output shaft
- unlocking rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 23
- 230000005571 horizontal transmission Effects 0.000 claims description 6
- 230000005570 vertical transmission Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 230000009471 action Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1248—Resuming normal operation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model relates to an automobile transmission spare part especially relates to a P of electron executor of shifting keeps off release mechanism. The utility model provides a P of electron executor of shifting gears keeps off release mechanism, includes the unblock lever subassembly, the unblock lever subassembly is fixed on the unblock lever support, and the unblock lever subassembly meets with the output shaft through linkage structure, and the output shaft is connected with the interior main shaft of gearbox, the unblock lever subassembly include the unblock lever, drive the output shaft and rotate when the unblock lever motion. The utility model provides a release mechanism which can manually switch the automobile gearbox from a P-gear state to a non-P-gear state, so that the automobile can move, prevent the automobile from occupying a normal road when the automobile fails and can not move, cause potential safety hazards to other normal running vehicles and cause damage to the gearbox by forcibly moving the automobile; the technical problem that in the prior art, due to failure, an automobile cannot switch a gearbox to a non-P-gear locking state through conditions such as electrification and the like, and therefore the automobile cannot move is solved.
Description
Technical Field
The utility model relates to an automobile transmission spare part especially relates to a P of electron executor of shifting keeps off release mechanism.
Background
In modern society, automobiles have become one of the first-choice transportation tools for the public. Automobiles can be roughly classified into automatic gears and manual gears. Of course, many automobiles have the driving experience which is forbidden and are self-contained. A transmission is installed in the automobile, and the switching of different gears is realized through the transmission.
As in the Chinese patent: the 'gear shift operating mechanism and automatic gear shift assembly (CN 2017209504440)' comprises a mechanism shell, a gear shift structure and a P-gear unlocking structure, wherein the gear shift structure and the P-gear unlocking structure are arranged on the mechanism shell; the gear shifting structure comprises a gear shifting rod and a gear structure, wherein the gear shifting rod and the gear structure are arranged on the mechanism shell, and the gear structure is correspondingly connected with the gear shifting rod; the P-gear unlocking structure comprises an unlocking pin, an unlocking block and an electromagnetic valve assembly, wherein the unlocking pin is arranged on the mechanism shell and connected with the gear shifting rod, the unlocking block is hinged on the mechanism shell, and the electromagnetic valve assembly is arranged on the mechanism shell and used for driving the unlocking block to rotate; the unlocking block comprises an unlocking main body hinged to the mechanism shell and a flexible pin blocking portion arranged at one end of the unlocking main body, and the pin blocking portion is used for limiting the unlocking pin.
However, in the case of power failure, when the vehicle is in the P-range lock state, the vehicle cannot switch the transmission to the non-P-range lock state due to a condition such as power-on due to a failure, and the vehicle cannot move. The automobile occupies a normal road when the automobile fails and cannot move, potential safety hazards are caused to other vehicles running normally, and the gearbox is damaged when the automobile moves forcibly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a release mechanism which can manually switch the automobile gearbox from a P-gear state to a non-P-gear state, so that the automobile can move, prevent the automobile from occupying a normal road when the automobile fails and can not move, cause potential safety hazards to other normal running vehicles and cause damage to the gearbox by forcibly moving the automobile; the technical problem that in the prior art, due to failure, an automobile cannot switch a gearbox to a non-P-gear locking state through conditions such as electrification and the like, and therefore the automobile cannot move is solved.
The above technical problem of the present invention is solved by the following technical solutions: the utility model provides a P of electron executor of shifting gears keeps off release mechanism, includes the unblock lever subassembly, the unblock lever subassembly is fixed on the unblock lever support, and the unblock lever subassembly meets with the output shaft through linkage structure, and the output shaft is connected with the interior main shaft of gearbox, the unblock lever subassembly include the unblock lever, drive the output shaft and rotate when the unblock lever motion. The unlocking rod support is fixed on the gearbox together with the electronic actuator through the shell, the electronic gear shifting actuator is external and is installed on the gearbox shell, and the unlocking rod assembly drives the output shaft to rotate, so that the P gear is manually switched to the non-P gear. The linkage structure comprises a gear meshing structure, and can accurately control the gear of the gearbox after the P gear is manually unlocked, namely, the gearbox can be controlled to be in any one of R/N/D gears after the P gear is manually unlocked. The unlocking rod can move in two directions along the axis of the unlocking rod, but only when the unlocking rod moves in the forward direction, the unlocking rod assembly can drive the linkage structure to drive the output shaft to rotate, and when the unlocking rod moves in the reverse direction, the movement of the unlocking rod assembly cannot drive the linkage structure to move, so that the output shaft cannot move.
Preferably, the unlocking rod support is further provided with a reset structure, and the reset structure is positioned at one end of the unlocking rod. The unlocking rod moves by pulling or pressing through external force, so that the output shaft is driven to rotate, the unlocking is completed through multiple times of unlocking rod movement, the P is determined to be in the position where the other gears are blocked through the times of forward movement, and when the unlocking rod returns, the automatic return stroke of the reset structure is utilized, so that labor is saved, and the operation is convenient.
Preferably, the unlocking rod assembly comprises an unlocking rod, a pawl mounting seat is arranged at one end of the unlocking rod, a pawl is mounted in the pawl mounting seat and connected with the linkage structure, one end of a return spring in the return structure is fixed to the end face of the pawl mounting seat, the other end of the return spring is fixed to the unlocking rod support, when the unlocking rod is pulled, the return spring is stretched, and the pawl drives the output shaft to rotate through the linkage structure. The positive movement of the lock release lever is an outward pulling direction.
As another preferred, the unlocking rod assembly comprises an unlocking rod, one end of the unlocking rod is provided with a pawl mounting seat, a pawl is mounted in the pawl mounting seat, the pawl is connected with a linkage structure, a guide post is fixed on the outer end face of the pawl mounting seat, a reset spring in the reset structure is sleeved on the guide post, one end of the reset spring abuts against the outer end face of the pawl mounting seat, the other end of the reset spring abuts against the unlocking rod support, when the unlocking rod is pressed, the reset spring contracts, and the pawl drives the output shaft to rotate through the linkage structure. The forward movement of the lock release lever is an inward pressing direction.
Through pawl and the meshing transmission of the one-level gear among the linkage structure to drive the output shaft motion, pawl and the meshing transmission of one-level gear convert the rectilinear motion of unblock pole into the rotation of gear, thereby convert the motion of output shaft, according to the distance of unblock pole motion and the number of times of forward motion, realize that P keeps off the position accurate switching to non-P and keeps off the position. Through the angle of the pawl, the torque perpendicular to the inclined plane of the pawl generated by the spring is greater than the torque of the torsion spring when the reset spring pulls the unlocking rod to move reversely, so that the pawl moves upwards and cannot be in meshing transmission with a primary gear in a linkage structure.
Preferably, an unlocking button cover is arranged at the end part of the other end of the unlocking rod, and a noise reduction O-shaped ring is arranged between the unlocking button cover and the unlocking rod. The unlocking button cover is located at the end, so that the unlocking button cover is convenient to operate and press, and noise generated by collision between the unlocking rod and the shell is reduced when the unlocking rod returns.
Preferably, the pawl is fixed on the pawl fixing seat through a rotating shaft and a torsion spring. Simple structure, the pawl can automatic re-setting.
Preferably, the linkage structure comprises a horizontal transmission structure and a vertical transmission structure which are connected with each other, the vertical transmission structure is connected with the output shaft, and the horizontal transmission structure is connected with the unlocking rod assembly. The horizontal motion of the unlocking rod is converted into the vertical motion of the output shaft, the transmission performance is good, and the spatial position arrangement is reasonable.
Preferably, the horizontal transmission structure comprises a primary gear and a secondary gear which are meshed with each other, the vertical transmission structure comprises a worm gear structure, the primary gear is connected with a pawl of the unlocking rod assembly and drives the secondary gear, the end part of a gear shaft of the secondary gear is of a worm structure, the worm drives a worm wheel, and the worm wheel is fixed on the output shaft. The gear meshing transmission is stable, and the frequency of operating the unlocking rod when the gearbox is switched from the P gear position to each non-P gear (R/N/D) position can be quantized through the transmission ratio of each gear set.
Preferably, the movement direction of the unlocking rod is perpendicular to the axis of the output shaft.
Therefore, the utility model discloses a P of electron executor of shifting keeps off release mechanism possesses following advantage: the automobile transmission gear has the advantages of low cost, high reliability and simple assembly process, and when an automobile fails and cannot move, the automobile transmission gear can be manually switched from a P gear state to a non-P gear state, so that the automobile can move.
Drawings
Fig. 1 is an overall schematic view of a P-range unlocking mechanism of an electronic shift actuator according to embodiment 1 of the present invention.
Fig. 2 is a schematic view showing the forward movement (outward pulling) of the lock release lever with the lock release bracket removed in embodiment 1.
Fig. 3 is a schematic view showing the reverse movement of the lock release lever with the lock release bracket removed in embodiment 1.
Fig. 4 is an overall schematic view of the unlocking structure according to embodiment 2 of the present invention.
Fig. 5 is a schematic view showing the forward movement (inward pressing) of the lock release lever in embodiment 2 with the lock release bracket removed.
Fig. 6 is a schematic view showing the reverse movement of the lock release lever with the lock release bracket removed in embodiment 2.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, the P-gear unlocking mechanism of the electronic gear shifting actuator comprises an unlocking rod assembly, wherein the unlocking rod assembly is fixed on an unlocking rod support 8, the unlocking rod support 8 is fixed on the electronic gear shifting actuator, the unlocking rod assembly is connected with an output shaft 3 through a linkage structure, and the output shaft 3 is connected with a main shaft in a gearbox. The unlocking rod component comprises an unlocking rod 1, a pawl mounting seat 12 is integrally formed at one end of the unlocking rod 1, a pawl is mounted on the pawl mounting seat through a rotating shaft 11 and a torsion spring 10, and the pawl is connected with a primary gear 2 in the linkage structure. One end of a return spring 6 is fixed outside the pawl mounting seat, and the other end of the return spring 6 is fixed on an unlocking support 8. A primary gear 2 and a secondary gear 7 are arranged on one side of the unlocking support 8, and an output shaft 3 is arranged on the other side of the unlocking support 8. The primary gear 2 is connected with the pawl 9, the pawl 9 unidirectionally stirs the primary gear 2 to move, the primary gear 2 drives the secondary gear 7, one end of a gear shaft of the secondary gear 7 is a worm 5, a gear shaft of the secondary gear rotates, so that the worm and gear are in meshing transmission, the worm gear 4 is partially fixed on the output shaft, so that the output shaft 3 is driven to rotate, and the output shaft is connected with a main shaft in the gearbox.
Specifically, as shown in fig. 2 and 3, the first manual P-stop unlocking operation:
the unlocking rod 1 is pulled along the axial direction A of the unlocking rod, and the pawl 9 is meshed with the primary gear 2 for transmission while keeping the same motion direction as the unlocking rod 1, so as to drive the primary gear 2 to rotate;
the primary gear 2 drives the secondary gear 7 to rotate through gear engagement, and the secondary lock gear 7 drives the worm 5 to synchronously rotate;
the worm 5 drives the worm wheel 4 to rotate through gear engagement, and the worm wheel 4 drives the output shaft 3 to rotate so as to drive the gearbox to rotate from the P gear to the non-P gear;
and B, manual unlocking operation of the P gear:
the unlocking rod 1 is released, the unlocking rod assembly moves along the direction of the axis reverse B under the action of the tension of the reset spring 6, and the pawl 9 is designed at a specific angle, so that the torque perpendicular to the inclined surface of the pawl, which is generated by the reset spring 6 when the pawl returns, is greater than the torque of the torsion spring 10, and the pawl 9 moves inwards;
the pawl 9 does not drive the primary gear 2 to move after moving inwards, so that the output shaft 3 cannot be driven to rotate reversely;
along with the reset of the unlocking rod 1, the pawl 9 is separated from the primary gear 2 and returns to the initial state under the action of the torsion spring 10;
and repeatedly operating the first operation and the second operation to realize the switching of the gearbox from the P-gear position to the non-P-gear position.
The number of times the gearbox is switched from the P-gear position to each non-P-gear (R/N/D) position to operate the unlocking lever can be quantified through the gear ratio of each gear set according to the gear shifting angle between each gear position on the gearbox.
Example 2:
as shown in fig. 4 and 5 or 6, the unlocking rod assembly comprises an unlocking rod 1, an unlocking button cover 15 is installed at one end of the unlocking rod 1, and a noise reduction O-ring 13 is installed between the unlocking button cover 15 and the end of the unlocking rod 1. The pawl mounting seat 12 is integrally formed at the other end of the unlocking rod 1, the pawl 9 is mounted in the pawl 9 mounting seat through a rotating shaft 11 and a torsion spring 10, and the pawl 9 is connected with the primary gear 2 in the linkage structure. A guide post 14 is integrally formed on the end face of the pawl mounting seat 12, a return spring 6 is sleeved on the guide post 14, one end of the return spring 6 abuts against the end face of the pawl mounting seat 12, and the other end of the return spring 6 abuts against the unlocking lever support.
The specific operation is as follows:
first manual unlocking operation of the P gear:
the unlocking button cover 15 is pressed along the positive direction A of the axis of the unlocking rod, and the pawl 9 is meshed with the primary unlocking gear 2 for transmission while keeping the same motion direction as the unlocking rod 1, so as to drive the primary unlocking gear 2 to rotate; the primary unlocking gear 2 drives the secondary unlocking gear 7 to rotate through gear engagement, and the secondary unlocking gear 7 drives the worm 5 to synchronously rotate;
the worm 5 drives the worm wheel 4 to rotate through gear engagement, and the worm wheel 4 drives the output shaft 3 to rotate so as to drive the gearbox to rotate from the P gear to the non-P gear;
and B, manual unlocking operation of the P gear:
the unlocking button cover 15 is released, the unlocking rod assembly moves along the direction of the axis B under the action of the elastic force of the reset spring 9, and the specific angle design on the pawl 9 ensures that the torque perpendicular to the inclined surface of the pawl generated by the torsion spring 10 is greater than the torsion of the torsion spring when the pawl returns, so that the pawl moves inwards;
the pawl 9 does not drive the primary unlocking gear 2 to move after moving inwards, so that the output shaft 3 cannot be driven to rotate reversely;
the Stopper structure is arranged on the enveloping shell of the electronic actuator to limit the position of the unlocking rod assembly after rebounding, and the noise reduction O-shaped ring is used for reducing impact noise generated by rebounding of the unlocking rod assembly;
along with the return of the unlocking rod, the pawl is separated from the primary unlocking gear, and the pawl is restored to the initial state under the action of the torsion spring;
and repeatedly operating the first operation and the second operation to realize the switching of the gearbox from the P-gear position to the non-P-gear position.
The number of times the gearbox is switched from the P-gear position to each non-P-gear (R/N/D) position to operate the unlocking lever can be quantified through the gear ratio of each gear set according to the gear shifting angle between each gear position on the gearbox.
Claims (9)
1. The utility model provides a P of electron executor of shifting keeps off release mechanism which characterized in that: including the unblock lever subassembly, the unblock lever subassembly is fixed on the unblock lever support, and the unblock lever subassembly meets through linkage structure and output shaft, and the output shaft is connected with the interior main shaft of gearbox, the unblock lever subassembly include the unblock lever, drive the output shaft rotation when the unblock lever motion.
2. The P-range unlocking mechanism of an electronic shift actuator according to claim 1, wherein: the unlocking rod support is also provided with a reset structure, and the reset structure is positioned at one end of the unlocking rod.
3. The P-range unlocking mechanism of an electronic shift actuator according to claim 1, wherein: the end face of the pawl mounting seat is fixed with one end of a reset spring in the reset structure, the other end of the reset spring is fixed on the unlocking rod support, when the unlocking rod is pulled, the reset spring is stretched, and the pawl drives the output shaft to rotate through the linkage structure.
4. The P-range unlocking mechanism of an electronic shift actuator according to claim 1, wherein: one end of the unlocking rod is provided with a pawl mounting seat, a pawl is mounted in the pawl mounting seat, the pawl is connected with a linkage structure, a guide post is fixed on the outer end face of the pawl mounting seat, a reset spring in the reset structure is sleeved on the guide post, one end of the reset spring is abutted to the outer end face of the pawl mounting seat, the other end of the reset spring is abutted to the unlocking rod support, when the unlocking rod is pressed, the reset spring contracts, and the pawl drives an output shaft to rotate through the linkage structure.
5. The P-range unlocking mechanism of an electronic shift actuator according to claim 4, wherein: an unlocking button cover is arranged at the end part of the other end of the unlocking rod, and a noise reduction O-shaped ring is arranged between the unlocking button cover and the unlocking rod.
6. The P-range unlocking mechanism of an electronic shift actuator according to claim 3, 4 or 5, wherein: the pawl is fixed on the pawl fixing seat through the rotating shaft and the torsion spring.
7. The P-range unlocking mechanism of an electronic shift actuator according to any one of claims 1 to 5, wherein: the linkage structure comprises a horizontal transmission structure and a vertical transmission structure which are connected with each other, the vertical transmission structure is connected with the output shaft, and the horizontal transmission structure is connected with the unlocking rod assembly.
8. The P-range unlocking mechanism of an electronic shift actuator according to claim 7, wherein: the horizontal transmission structure comprises a first-level gear and a second-level gear which are meshed with each other, the vertical transmission structure comprises a worm gear structure, the first-level gear is connected with a pawl of the unlocking rod component, the first-level gear drives the second-level gear, the end part of a gear shaft of the second-level gear is of a worm structure, the worm drives a worm wheel, and the worm wheel is fixed on an output shaft.
9. The P-range unlocking mechanism of an electronic shift actuator according to any one of claims 1 to 5, wherein: the movement direction of the unlocking rod is vertical to the axis of the output shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019203027659 | 2019-03-11 | ||
| CN201920302765 | 2019-03-11 |
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| Publication Number | Publication Date |
|---|---|
| CN210014004U true CN210014004U (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910355355.5A Pending CN110081163A (en) | 2019-03-11 | 2019-04-29 | A kind of P gear unlocking mechanism of electric gear change actuator |
| CN201920607202.0U Active CN210014004U (en) | 2019-03-11 | 2019-04-29 | P of electron executor of shifting gears keeps off release mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910355355.5A Pending CN110081163A (en) | 2019-03-11 | 2019-04-29 | A kind of P gear unlocking mechanism of electric gear change actuator |
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| Country | Link |
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| CN (2) | CN110081163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791041A (en) * | 2022-04-30 | 2022-07-26 | 法可赛(太仓)汽车配件有限公司 | Gear shifting actuator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6755284B2 (en) * | 2001-05-24 | 2004-06-29 | Ventra Group Inc. | Electrically driven parking brake actuation assembly |
| JP2008128445A (en) * | 2006-11-24 | 2008-06-05 | Aisin Aw Co Ltd | Parking device for automatic transmission |
| JP2012072854A (en) * | 2010-09-29 | 2012-04-12 | Aisin Aw Co Ltd | Electric actuator for parking lock |
| KR101611323B1 (en) * | 2011-11-24 | 2016-04-12 | 주식회사 모아텍 | Actuator |
| KR102408251B1 (en) * | 2015-10-01 | 2022-06-13 | 엘지이노텍 주식회사 | Parking brake actuator |
| KR20170110756A (en) * | 2016-03-23 | 2017-10-12 | 주식회사 유니크 | Actuator for electronic parking brake |
| KR102625382B1 (en) * | 2017-02-02 | 2024-01-15 | 엘지이노텍 주식회사 | Parking Brake Actuator |
-
2019
- 2019-04-29 CN CN201910355355.5A patent/CN110081163A/en active Pending
- 2019-04-29 CN CN201920607202.0U patent/CN210014004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791041A (en) * | 2022-04-30 | 2022-07-26 | 法可赛(太仓)汽车配件有限公司 | Gear shifting actuator |
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| Publication number | Publication date |
|---|---|
| CN110081163A (en) | 2019-08-02 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318000 1st floor, building 1, No. 818, east section of Kaifa Avenue, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Zhejiang Woder Technology Group Co.,Ltd. Address before: 318000 No.1, building 1, No.818, east section of Kaifa Avenue, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG WODELL TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A P-gear unlocking mechanism for electronic shift actuators Granted publication date: 20200204 Pledgee: Agricultural Bank of China Limited Taizhou Economic Development Zone sub branch Pledgor: Zhejiang Woder Technology Group Co.,Ltd. Registration number: Y2024330000184 |