CN104455395B - Vehicle parking device and its control method and vehicle of operation - Google Patents
Vehicle parking device and its control method and vehicle of operation Download PDFInfo
- Publication number
- CN104455395B CN104455395B CN201410695076.0A CN201410695076A CN104455395B CN 104455395 B CN104455395 B CN 104455395B CN 201410695076 A CN201410695076 A CN 201410695076A CN 104455395 B CN104455395 B CN 104455395B
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- China
- Prior art keywords
- drag
- line
- parking
- actuated lever
- lever assemblies
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- 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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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
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
-
- 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
- F16H63/04—Final output mechanisms therefor; Actuating means for the final output mechanisms a single final output mechanism being moved by a single final actuating mechanism
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides a kind of vehicle parking device, including parking gear, park pawl, and the actuated lever assemblies being engaged with park pawl, the device also include drag-line, are connected with actuated lever assemblies；Traction drive mechanism, it is connected with drag-line driving, by applying tractive force to drag-line, and makes the actuated lever assemblies positioned at initial position that there is the parking campaign for promoting park pawl to be engaged with parking gear；Returning device, it is connected in actuated lever assemblies, spring energy storage is carried out its parking campaign because of actuated lever assemblies, and in tractive force of the traction drive mechanism release to drag-line, described returning device release spring energy storage and drive actuated lever assemblies to be repositioned to initial position.The vehicle parking device of the present invention, due to realizing the driving to actuated lever assemblies using drag-line, traction drive mechanism and returning device, overall structure is simplified, and be easy to the layout of whole device, and can ensure that parking effect, its overall structure is simple, and reliability is preferable.
Description
Technical field
The present invention relates to a kind of technical field that locking is carried out to vehicle operation part, more particularly to a kind of vehicle parking dress
Put；Meanwhile the invention further relates to a kind of control method of vehicle parking device motion, and with the vehicle parking device
Vehicle.
Background technology
Parking device is because acting directly on transmission gear shaft, and its security is higher, and service life is longer, therefore, its
More and more applied on existing vehicle.It is include staying with what transmission gear shaft was connected in existing parking device more
Skiving wheel, park pawl and the drive mechanism to park pawl driving, are applied to park pawl by drive mechanism and driven
Power, park pawl is engaged with parking gear, to realize parking, when releasing parked state, release drive mechanism to parking spine
The driving force of pawl, park pawl under the torsion spring return effect being arranged on, with parking gear engage by disengaging.
Existing drive mechanism, more using hand, fluid pressure type or electronic type.A kind of structure as existing for prior art
In, drive mechanism includes the drive motor for producing revolving force, the driving gear formed at the drive shaft of drive motor, with active
The driven gear of direct geared engagement, and the mandrel engaged with driven gear, when drive motor is driven, the mandrel passes through
The revolving force of drive motor is received via driven gear and is moved linearly.The structure is complex, and size is larger, is unfavorable for vehicle
On arrangement.
The content of the invention
In view of this, the present invention is directed to propose a kind of vehicle parking device, to simplify overall structure, reduces overall institute's duty
Between.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of vehicle parking device, including parking gear, park pawl, and the drive rod being engaged with park pawl
Component, the vehicle parking device also include：
Drag-line, it is connected with actuated lever assemblies；
Traction drive mechanism, it is connected with drag-line driving, by applying tractive force to drag-line, and makes the drive positioned at initial position
Lever component has the parking campaign for promoting park pawl to be engaged with parking gear；
Returning device, it is connected in actuated lever assemblies, spring energy storage is carried out its parking campaign because of actuated lever assemblies, and
In tractive force of the traction drive mechanism release to drag-line, described returning device discharges spring energy storage and drives actuated lever assemblies
It is repositioned to initial position.
Further, described drag-line is connected by the first spring with actuated lever assemblies.
Further, described returning device is the second spring being connected between actuated lever assemblies and case of transmission,
Described second spring and drag-line splits the opposite sides in actuated lever assemblies.
Further, described actuated lever assemblies coordinate with park pawl rolling friction.
Further, the bearing coordinated with park pawl rolling friction is connected with described actuated lever assemblies.
Further, described traction drive mechanism includes the motor with rotational output shaft, is fixed on speed changer
Guide pad in housing；After described drag-line is via guide pad support guide, it is connected on rotational output shaft, is opened in motor
When moving and applying tractive force to drag-line, described drag-line is wrapped on rotational output shaft.
Further, described traction drive mechanism includes limiting mechanism, and completion is engaged with parking gear in park pawl
When, described limiting mechanism applies barrier force to rotational output shaft, to suppress the rotation of rotational output shaft.
Further, described limiting mechanism includes the projection being fixed on rotational output shaft, and is filled by driving
Put driving and be movably disposed at the latch in transmission case body；When park pawl engages completion with parking gear, institute
The drive device driving latch stated is mobile and stops with projection and coordinates.
Relative to prior art, vehicle parking device of the present invention has the advantage that：
Due to realizing the driving to actuated lever assemblies using drag-line, traction drive mechanism and returning device, entirety is simplified
Structure, and it is easy to the layout of whole device, and parking effect is can ensure that, its overall structure is simple, and reliability is preferable.
Invention also provides a kind of control method of vehicle parking device operation, this method comprises the following steps：By
Main control unit controls traction drive mechanism to apply tractive force to drag-line, so that actuated lever assemblies of the drag-line traction positioned at initial position
Motion, and then actuated lever assemblies is promoted the engagement of park pawl and parking gear, realize parking；Controlled and drawn by main control unit
Drive mechanism discharges the tractive force to drag-line, so that actuated lever assemblies are repositioned to just under the spring energy storage release of returning device
Beginning position, park pawl and parking gear be disengaged from, and releases parking.
Relative to prior art, the control method of vehicle parking device operation of the present invention has the advantage that：
By the control to the vehicle parking device after simplification, make the control of parking and releasing parking simpler, have
The performance for improving vehicle of effect.
Invention also provides a kind of vehicle, the vehicle loading has vehicle parking device as described above.
The vehicle is same relative to Dominant Facies possessed by prior art with above-mentioned vehicle parking device, no longer superfluous herein
State.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the structural representation for the torsion spring being arranged in Fig. 1 in park pawl；
Fig. 3 is the structural representation of actuated lever assemblies in Fig. 1；
Fig. 4 is the structure diagram of Tu1Zhong traction drives mechanism；
Fig. 5 is park pawl and the non-structural representation engaged under state in place of parking gear in Fig. 1.
Description of reference numerals：
1- parking gears, 101- park tooths, 2- park pawls, the rotary shafts of 201- first, 202- hook pawls, 203- connecting holes,
204- torsion springs, 2041- first ends, 2042- the second ends, 3- actuated lever assemblies, 4- power transmission shafts, 5- drag-lines, the bullets of 501- first
Spring, the 601- bodies of rod, the rotary shafts of 602- second, 603- grooves, 604- fixing axles, 605- bearings, 7- second springs, 8- motors,
801- rotational output shafts, 802- guide pads, 803- projections, 804- latch.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The present embodiment is related to a kind of vehicle parking device, and as shown in Figure 1, it includes parking gear 1, park pawl 2, its
In, parking gear 1 is fixedly set on the power transmission shaft 4 of speed changer, and is rotated with power transmission shaft 4, uniform in the circumference of parking gear 1
There are multiple park tooths 101, between two neighboring park tooth 101, form the receiving for park pawl 2 as described below insertion engagement
Space.In the transmission case body being connected to not shown in figure that park pawl 2 is rotated by the first rotary shaft 201, with being connected with
The relative one end of first rotary shaft 201 is provided with the hook pawl 202 of parking gear 1, when 2 driven power of park pawl effect and
With the first rotary shaft 201 be axial parking gear 1 recline rotation when, park pawl 2 can be embedded into two neighboring park tooth 101
Between receiving space in, to realize engaging for parking gear 1 and park pawl 2, under this engagement, vehicle is in parking
State.A connecting hole 203 is provided with park pawl 2, torsion spring 204, the knot of torsion spring 204 are connected with the connecting hole 203
For structure as shown in Fig. 2 it has first end 2041 and the second end 2042, first end 2041 is inserted and secured on connecting hole
In 203, the second end 2042 is then fixedly connected in transmission case body.In parked state, torsion spring 204 produces spring energy storage,
When the parking driving force that park pawl 2 receives disappears, park pawl 2 departs from and parking gear 1 because of the spring energy storage of torsion spring
Engagement, so as to be repositioned to original state.
The present invention based on as above schematic construction, its design philosophy in parking device to the driving structure of park pawl 2.
In the present embodiment, the drive mechanism that is driven to park pawl 2, including actuated lever assemblies 3, it is connected with actuated lever assemblies 3
Drag-line 5, apply the traction drive mechanism of tractive force, and the returning device being connected in actuated lever assemblies 3 to drag-line.Wherein,
Traction drive mechanism has the actuated lever assemblies positioned at initial position and promotes parking spine by applying tractive force to drag-line 5
The parking campaign that pawl 2 engages with parking gear 1；Returning device carries out spring energy storage because of the parking campaign of actuated lever assemblies 3, and
In tractive force of the traction drive mechanism release to drag-line 5, returning device discharges spring energy storage and drives actuated lever assemblies return
To initial position.
The initial position of actuated lever assemblies as described above, i.e., when park pawl is repositioned to original state, actuated lever assemblies
The position being engaged with park pawl 2.Fig. 3 shows the structure of actuated lever assemblies in the present embodiment, can by Fig. 1 combinations Fig. 3
To find out, actuated lever assemblies include the body of rod 601, and one end of the body of rod 601 is rotatably connected on transmission case by the second rotary shaft 602
In vivo, with the body of rod 601 of the opposite side of the second rotary shaft 602, provided with groove 603, being connected with the groove 603 interspersed
Fixing axle 604 in groove 603, in fixing axle 604, spacing is provided with two bearings 605, bearing 605 and park pawl 2
Back contact, to realize that the rolling friction of actuated lever assemblies and park pawl 2 coordinates.By the setting of the structure, can subtract
Contact area between small actuated lever assemblies and park pawl 2, to improve transmission efficiency.In addition, actuated lever assemblies and parking spine
Between pawl 2, the fit form of sliding friction can also be used, the rolling friction compared with the present embodiment coordinates, and sliding friction is matched somebody with somebody
Conjunction form, frictional heat is more, and transmission efficiency is relatively low.
Drag-line 5 is fixedly connected on the left side of the body of rod 601 of state shown in Fig. 1, and its link position with the body of rod 601 is close to
Two rotary shafts 602 are set, and the opposite side of the body of rod 601 relative with drag-line 5, are connected with returning device, the return of the present embodiment
Device uses second spring 7, and one end of second spring 7 is connected in transmission case body, and the other end is connected on the body of rod 601.
Traction drive mechanism includes the motor 8 with rotational output shaft 801, the guiding being fixed in transmission case body
Block 802；After drag-line 5 is via the support guide of guide pad 802, it is connected on rotational output shaft 801, its annexation such as Fig. 4
It is shown.When motor 8 starts and applies tractive force to drag-line 5, drag-line 5 is wrapped on rotational output shaft 801, so, i.e.,
Winding that can be by rotational output shaft 801 to drag-line 5, realizes the traction to drag-line 5, during drag-line 5 is trailed, by
Being acted in the guide support of guide pad 802, drag-line 5 draws the body of rod 601 with state shown in Fig. 1 to left movement, and then to parking spine
Pawl 2 carries out pushing tow, so that parking is realized in park pawl 2 and the engagement of parking gear 1.What deserves to be explained is except the present embodiment
Outside the pulley structure that guide pad 802 uses, other similar structures can also be used.
When the as above drag-line 5 traction body of rod 601 is moved to realize parking, the hook pawl 202 of park pawl 2, it is possible to overhead
At the top of park tooth 101, its state is as shown in figure 5, this state is parking state not in place, in order to realize more preferable parking effect
Fruit, drag-line 5 are connected by the first spring 501 with the body of rod 601.So, when Fig. 5 states occur, drive of the drag-line 5 by motor 8
Move traction and stretch the first spring 501, make the spring energy storage of the first spring 501, when parking gear 1 slightly turns certain angle, bar
Body 601 then continues with Fig. 1 states because of the spring energy storage of the first spring 501 to left movement, final to drive park pawl 2 and parking
Parking is realized in the engagement of gear 1.
In order to reduce the load of the internal gear of motor 8 after parking, to improve the service life of motor, the traction of the present embodiment
Drive mechanism also includes limiting mechanism, and the position-limit mechanism is when park pawl 2 engages completion with parking gear 1, limiting mechanism pair
Rotational output shaft 801 applies barrier force, to suppress the rotation of rotational output shaft 801.In the present embodiment, limiting mechanism
Including being fixed on the upper protruding block 803 of rotational output shaft 801, and driven by drive device and be movably disposed at speed changer
Latch 804 in housing；When park pawl 2 engages completion with parking gear 1, drive device drives latch 804 with Fig. 1
Shown state is moved to projection 803, and when being located at 803 top of projection, realizes the stop to projection 803, and then reduce in motor 8
The load of portion's gear.In the present embodiment, the drive device being driven to latch 804 can use conventional power set,
Such as the gear ＆ rack structure of motor driven, as long as ensuring that the drive device can drive the transverse shifting of latch 804,
This is repeated no more.
In vehicle, the structure of vehicle parking device as above is loaded with, you can realize parking, and vehicle parking as above
The control method of plant running, comprises the following steps：
By main control unit control, traction drive mechanism applies tractive force to drag-line 5, so that the traction of drag-line 5 is located at initial position
Actuated lever assemblies motion, and then actuated lever assemblies is promoted the engagement of park pawl 2 and parking gear 1, realize parking；Specifically
For, based on vehicle parking device as described above, main control unit uses vehicle ECU, and it is when receiving parking signal, control electricity
Machine 8 is rotated clockwise with state shown in Fig. 1, and drag-line 5 is wrapped in rotary power output because of the rotation of rotational output shaft 801
On axle 801, and then the body of rod 601 is pulled to rotate, after rotating to an angle in rotary power output week 801, park pawl 2 and parking
Gear 1 engagement realize parking, now, motor 8 shuts down, meanwhile, main control unit control drive device drive latch 804 to
Projection 803 moves and rests on the top of projection 803, realizes the stop to projection 803.
Tractive force by the mechanism release of main control unit control traction drive to drag-line 5, so that actuated lever assemblies fill in return
Under the spring energy storage release put, initial position is repositioned to, park pawl 2 and parking gear 1 are disengaged from, and release parking.Specifically
For, when the vehicle ECU as main control unit receives releasing parking instruction, control drive device starts so that latch 804
Moved right with state shown in Fig. 1, to depart from the stop to projection 803, while start motor 8, make motor 8 with shape shown in Fig. 1
State is rotated counterclockwise, and the tractive force acted on zip 5 is released, and the body of rod 601 acts in the spring energy storage of second spring 7
Under, moved right with state shown in Fig. 1, and initial position is repositioned to, in the process, park pawl 2 is because of the work of torsion spring 204
With returning back to original state, realize the unblock of parked state.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (6)
1. a kind of vehicle parking device, including parking gear, park pawl, and the group of drive rods being engaged with park pawl
Part, it is characterised in that the vehicle parking device also includes：
Drag-line, described drag-line are connected by the first spring with actuated lever assemblies；
Traction drive mechanism, it is connected with drag-line driving, by applying tractive force to drag-line, and makes the drive rod positioned at initial position
Component has the parking campaign for promoting park pawl to be engaged with parking gear；
Returning device, it is connected in actuated lever assemblies, carries out spring energy storage its parking campaign because of actuated lever assemblies, and leading
When drawing drive mechanism release to the tractive force of drag-line, described returning device release spring energy storage and drive actuated lever assemblies return
To initial position；
Described traction drive mechanism includes the motor with rotational output shaft, the guiding being fixed in transmission case body
Block；After described drag-line is via guide pad support guide, it is connected on rotational output shaft, drag-line is applied in electric motor starting
When adding tractive force, described drag-line is wrapped on rotational output shaft；Also include limiting mechanism, in park pawl and park tooth
When wheel engagement is completed, described limiting mechanism applies barrier force to rotational output shaft, to suppress rotational output shaft
Rotate, and described limiting mechanism includes being fixed on projection on rotational output shaft, and can by drive device driving
The mobile latch being arranged in transmission case body；When park pawl engages completion with parking gear, described driving dress
Put the movement of driving latch and stop with projection and coordinate.
2. the vehicle parking device according to claim 1, it is characterised in that：Described returning device is to be connected to driving
Second spring between bar assembly and case of transmission, described second spring and drag-line are split relative the two of actuated lever assemblies
Side.
3. the vehicle parking device according to claim 1, it is characterised in that：Described actuated lever assemblies and park pawl
Rolling friction coordinates.
4. the vehicle parking device according to claim 3, it is characterised in that：Connect and set in described actuated lever assemblies
There is the bearing coordinated with park pawl rolling friction.
A kind of 5. control method of vehicle parking device operation, based on vehicle parking device as claimed in claim 1, its feature
It is that this method comprises the following steps：
Traction drive mechanism is controlled to apply tractive force to drag-line by main control unit, so that driving of the drag-line traction positioned at initial position
Bar assembly is moved, and then actuated lever assemblies is promoted the engagement of park pawl and parking gear, realizes parking；
Tractive force by the mechanism release of main control unit control traction drive to drag-line, so that bullet of the actuated lever assemblies in returning device
Property accumulation of energy release under, be repositioned to initial position, park pawl and parking gear are disengaged from, release parking.
A kind of 6. vehicle, it is characterised in that：The vehicle loading has vehicle parking device as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695076.0A CN104455395B (en) | 2014-11-27 | 2014-11-27 | Vehicle parking device and its control method and vehicle of operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410695076.0A CN104455395B (en) | 2014-11-27 | 2014-11-27 | Vehicle parking device and its control method and vehicle of operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455395A CN104455395A (en) | 2015-03-25 |
| CN104455395B true CN104455395B (en) | 2017-11-28 |
Family
ID=52901921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410695076.0A Active CN104455395B (en) | 2014-11-27 | 2014-11-27 | Vehicle parking device and its control method and vehicle of operation |
Country Status (1)
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| CN (1) | CN104455395B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106151509A (en) * | 2015-03-26 | 2016-11-23 | 上海豪骋机电科技有限公司 | A kind of transmission for electric automobile band parking locking mechanism |
| CN106352075B (en) * | 2016-08-31 | 2019-04-09 | 江苏三能动力总成有限公司 | A kind of automotive electronics gearshift |
| CN106763751A (en) * | 2017-02-23 | 2017-05-31 | 湖北汽车工业学院 | The ball screw executing agency that a kind of parking electric automobile P grades of servomotor drives |
| JP6939745B2 (en) * | 2018-09-26 | 2021-09-22 | トヨタ自動車株式会社 | Vehicle parking lock device |
| JP2020094653A (en) * | 2018-12-13 | 2020-06-18 | トヨタ自動車株式会社 | Parking device |
| DE102019110571A1 (en) * | 2019-04-24 | 2020-10-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Safety device for securing a standstill of a vehicle |
| DE102020204442B3 (en) | 2020-04-06 | 2021-02-04 | Magna powertrain gmbh & co kg | Gear arrangement with a damping element |
| CN113580921A (en) * | 2021-09-03 | 2021-11-02 | 哈尔滨东安汽车发动机制造有限公司 | Hybrid vehicle transmission device |
| CN114135607A (en) * | 2021-12-02 | 2022-03-04 | 王春红 | Parking device for wheelchair |
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| WO2001009534A1 (en) * | 1999-07-28 | 2001-02-08 | Luk Lamellen Und Kupplungsbau Gmbh | Gearbox for a motor vehicle |
| DE10101363C1 (en) * | 2001-01-13 | 2002-10-02 | Zf Sachs Ag | Parking lock actuation device for a parking lock device of a motor vehicle |
| DE10316949A1 (en) * | 2003-04-12 | 2004-11-11 | Daimlerchrysler Ag | Automatic transmission parking brake for road vehicle has pawl engaging toothed wheel and pushed into engagement by electric motor driving threaded spindles and knee linkage |
| JP2006322489A (en) * | 2005-05-18 | 2006-11-30 | Honda Motor Co Ltd | Electric parking lock device |
| DE102008036971B3 (en) * | 2008-08-08 | 2009-10-01 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Emergency release for parking lock of automatic transmission of motor vehicle, has operating wheel manually operated to bring parking lock element in outer engagement with parking lock wheel even in inactive condition of transmission |
| KR20120062560A (en) * | 2010-12-06 | 2012-06-14 | 현대자동차주식회사 | Parking release actuator |
| US8881883B2 (en) * | 2012-04-30 | 2014-11-11 | Tesla Motors, Inc. | Park lock for narrow transmission |
| CN102865362B (en) * | 2012-09-20 | 2015-05-20 | 安徽江淮汽车股份有限公司 | Parking mechanism for automatic transmission |
| CN103711900B (en) * | 2013-12-31 | 2016-10-05 | 长城汽车股份有限公司 | Halting mechanism |
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2014
- 2014-11-27 CN CN201410695076.0A patent/CN104455395B/en active Active
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| CN104455395A (en) | 2015-03-25 |
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