CN104455395A - Vehicle parking device, control method for operation of vehicle parking device and vehicle - Google Patents
Vehicle parking device, control method for operation of vehicle parking device and vehicle Download PDFInfo
- Publication number
- CN104455395A CN104455395A CN201410695076.0A CN201410695076A CN104455395A CN 104455395 A CN104455395 A CN 104455395A CN 201410695076 A CN201410695076 A CN 201410695076A CN 104455395 A CN104455395 A CN 104455395A
- Authority
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- China
- Prior art keywords
- parking
- drag
- actuated lever
- line
- lever assemblies
- 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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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 vehicle parking device which comprises a parking gear, a parking pawl and a driving rod assembly in contact matching with the parking pawl. The vehicle parking device further comprises an inhaul cable, a traction driving mechanism and a return device. The inhaul cable is connected with the driving rod assembly. The traction driving mechanism is in driving connection with the inhaul cable and is used for exerting traction force on the inhaul cable to make the driving rod assembly located at an initial position to achieve the parking movement of pushing the parking pawl to be meshed with the parking gear. The return device is connected to the driving rod assembly and conducts elastic energy storage by means of the parking movement of the driving rod assembly, and when the traction driving mechanism releases the traction force on the inhaul cable, the return device releases the elastic stored energy to drive the driving rod assembly to return to the initial position. According to the vehicle parking device, due to the fact that the inhaul cable, the traction driving mechanism and the return device are adopted for driving the driving rod assembly, the overall structure is simplified, the layout of the whole device is facilitated, the parking effect can be ensured, and the vehicle parking device is simple in overall structure and good in reliability.
Description
Technical field
The present invention relates to a kind of technical field of vehicle operation part being carried out to locking, particularly a kind of vehicle parking device; Meanwhile, the invention still further relates to the controlling method of this vehicle parking device a kind of motion, and there is the vehicle of this vehicle parking device.
Background technique
Parking device is because acting directly on transmission gear shaft, and its Security is higher, longer service life, and therefore, it is more and more applied on existing vehicle.In existing parking device, comprise the parking gear, park pawl and the driving mechanism that park pawl is driven that are connected with transmission gear shaft more, by driving mechanism, driving force is applied to park pawl, park pawl is engaged with parking gear, to realize parking, when removing parked state, remove driving mechanism to the driving force of park pawl, park pawl is arranging under the torsion spring return effect on it, and disengaging is engaged with parking gear.
Existing driving mechanism, adopts manually operated type more, hydraulic type or electronic type.As in a kind of structure that prior art exists, driving mechanism comprises the drive motor producing rotating force, be formed in the driving gear at the live axle place of drive motor, the driven gear directly engaged with driving gear, and the axle to engage with driven gear, when drive motor is driven, this axle moves linearly by receiving the rotating force of drive motor via driven gear.This structure is comparatively complicated, and size is comparatively large, is unfavorable for the layout on vehicle.
Summary of the invention
In view of this, the present invention is intended to propose a kind of vehicle parking device, to simplify overall structure, reduces overall taking up space.
For achieving the above object, technological scheme of the present invention is achieved in that
A kind of vehicle parking device, comprise parking gear, park pawl, and contact the actuated lever assemblies coordinated with park pawl, this vehicle parking device also comprises:
Drag-line, is connected with actuated lever assemblies;
Traction drive mechanism, drives with drag-line and is connected, and by applying tractive force to drag-line, and the actuated lever assemblies being positioned at initial position is had promote the park pawl parking campaign of engaging with parking gear;
Returning device, be connected in actuated lever assemblies, it carries out spring energy storage because of the parking campaign of actuated lever assemblies, and when the traction drive mechanism tractive force of release to drag-line, described returning device release spring energy storage and order about actuated lever assemblies and be repositioned to initial position.
Further, described drag-line is connected with actuated lever assemblies by the first spring.
Further, described returning device is the second spring be connected between actuated lever assemblies and case of transmission, and the second described spring and drag-line split the relative both sides in actuated lever assemblies.
Further, described actuated lever assemblies coordinates with park pawl rolling friction.
Further, described actuated lever assemblies is connected with the bearing coordinated with park pawl rolling friction.
Further, described traction drive mechanism comprises the motor with rotational output shaft, is fixed on the guide pad in case of transmission; Described drag-line, via after guide pad support guide, is connected on rotational output shaft, and when applying tractive force at electric motor starting to drag-line, described drag-line is wrapped on rotational output shaft.
Further, described traction drive mechanism comprises limting mechanism, and when park pawl has engaged with parking gear, described limting mechanism applies barrier force to rotational output shaft, to suppress the rotation of rotational output shaft.
Further, described limting mechanism comprises the projection be fixed on rotational output shaft, and is driven by drive unit and be movably arranged on the latch in case of transmission; When park pawl has engaged with parking gear, described drive unit has driven latch to move and has stopped with latch and coordinate.
Relative to prior art, vehicle parking device of the present invention has following advantage:
Owing to adopting drag-line, traction drive mechanism and the driving of returning device realization to actuated lever assemblies, simplify overall structure, and be convenient to the layout of whole device, and can guarantee parking effect, its overall structure is simple, and reliability is better.
Invention also provides the controlling method that a kind of vehicle parking device runs, the method comprises the following steps:
Control traction drive mechanism by main control unit and tractive force is applied to drag-line, draw the actuated lever assemblies motion being positioned at initial position to make drag-line, and then make actuated lever assemblies promote the engagement of park pawl and parking gear, realize parking;
Control the tractive force of traction drive mechanism release to drag-line by main control unit, to make actuated lever assemblies under the spring energy storage release of returning device, be repositioned to initial position, park pawl and parking gear depart from engagement, remove parking.
Relative to prior art, the controlling method that vehicle parking device of the present invention runs has following advantage:
By the control to the vehicle parking device after simplification, make the control of parking and releasing parking more simple, effectively raise the performance of vehicle.
Invention also provides a kind of vehicle, this vehicle loading has vehicle parking device as above.
The Dominant Facies that described vehicle and above-mentioned vehicle parking device have relative to prior art is same, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the structural representation being arranged on the torsion spring in park pawl in Fig. 1;
Fig. 3 is the structural representation of actuated lever assemblies in Fig. 1;
Fig. 4 is the structure diagram of Tu1Zhong traction drive mechanism;
Fig. 5 is the park pawl structural representation that engages put state under non-with parking gear in Fig. 1.
Description of reference numerals:
1-parking gear, 101-parking tooth, 2-park pawl, 201-first rotatingshaft, 202-hooks pawl, 203-attachment hole, 204-torsion spring, 2041-first end, 2042-the second end, 3-actuated lever assemblies, 4-transmission shaft, 5-drag-line, 501-first spring, the 601-body of rod, 602-second rotatingshaft, 603-groove, 604-stationary axle, 605-bearing, 7-second spring, 8-motor, 801-rotational output shaft, 802-guide pad, 803-projection, 804-latch.
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present embodiment relates to a kind of vehicle parking device, as shown in Figure 1, it comprises parking gear 1, park pawl 2, wherein, parking gear 1 is fixedly set on the transmission shaft 4 of speed changer, and rotate with transmission shaft 4, the circumference of parking gear 1 is evenly equipped with multiple parking tooth 101, between adjacent two parking teeth 101, forms the holding space embedding engagement for park pawl 2 as described below.What park pawl 2 was rotated by the first rotatingshaft 201 is connected in not shown case of transmission, one end relative with being connected with the first rotatingshaft 201 is provided with towards the hook pawl 202 of parking gear 1, when park pawl 2 is rotated for axial parking gear 1 reclines with the first rotatingshaft 201 by the effect of driving force, park pawl 2 can be embedded in the holding space between adjacent two parking teeth 101, to realize engaging of parking gear 1 and park pawl 2, under this engagement, vehicle is in parked state.Park pawl 2 is provided with an attachment hole 203, this attachment hole 203 is connected with torsion spring 204, the structure of torsion spring 204 as shown in Figure 2, it has first end 2041 and the second end 2042, first end 2041 is inserted and secured in attachment hole 203, and the second end 2042 is fixedly connected in case of transmission.When parked state, torsion spring 204 produces spring energy storage, and when parking driving force that park pawl 2 receives disappears, park pawl 2 departs from because of the spring energy storage of torsion spring and the engaging of parking gear 1, thus is repositioned to original state.
The present invention is based on as above schematic construction, its design philosophy is the driving structure to park pawl 2 in parking device.In the present embodiment, to the driving mechanism that park pawl 2 drives, comprise actuated lever assemblies 3, the drag-line 5 be connected with actuated lever assemblies 3, drag-line is applied to the traction drive mechanism of tractive force, and be connected to the returning device in actuated lever assemblies 3.Wherein, traction drive mechanism is by applying tractive force to drag-line 5, and the parking campaign actuated lever assemblies being positioned at initial position being had promote park pawl 2 and engage with parking gear 1; Returning device carries out spring energy storage because of the parking campaign of actuated lever assemblies 3, and when the traction drive mechanism tractive force of release to drag-line 5, returning device release spring energy storage and order about actuated lever assemblies and be repositioned to initial position.
The initial position of actuated lever assemblies as described above, when namely park pawl is repositioned to original state, actuated lever assemblies contacts with park pawl 2 position coordinated.Fig. 3 shows the structure of actuated lever assemblies in the present embodiment, as can be seen from Fig. 1 composition graphs 3, actuated lever assemblies comprises the body of rod 601, one end of the body of rod 601 is rotatably connected in case of transmission by the second rotatingshaft 602, with on the body of rod 601 of the second rotatingshaft 602 opposite side, be provided with groove 603, the stationary axle 604 interted in groove 603 is connected with in this groove 603, on stationary axle 604, spacing is provided with two bearings 605, bearing 605 and the back contact of park pawl 2, coordinate with the rolling friction of park pawl 2 to realize actuated lever assemblies.By the setting of this structure, the area of contact between actuated lever assemblies and park pawl 2 can be reduced, to improve transmission efficiency.In addition, between actuated lever assemblies and park pawl 2, also can adopt the fit form of sliding friction, coordinate compared with the rolling friction in the present embodiment, the fit form of sliding friction, frictional heat is more, and transmission efficiency is lower.
Drag-line 5 is fixedly connected on the left side of the body of rod 601 of state shown in Fig. 1, the link position of itself and the body of rod 601 is arranged near the second rotatingshaft 602, the opposite side of the body of rod 601 relative with drag-line 5, be connected with returning device, the returning device of the present embodiment adopts the second spring 7, one end of second spring 7 is connected in case of transmission, and the other end is connected on the body of rod 601.
Traction drive mechanism comprises the motor 8 with rotational output shaft 801, is fixed on the guide pad 802 in case of transmission; Drag-line 5 is via after guide pad 802 support guide, and be connected on rotational output shaft 801, its annexation as shown in Figure 4.When motor 8 starts and applies tractive force to drag-line 5, drag-line 5 is wrapped on rotational output shaft 801, like this, namely by the winding of rotational output shaft 801 pairs of drag-lines 5, the traction to drag-line 5 is realized, in the trailed process of drag-line 5, due to the guide support effect of guide pad 802, drag-line 5 draws the body of rod 601 with state shown in Fig. 1 to left movement, and then carries out pushing tow to park pawl 2, realizes parking to make park pawl 2 and parking gear 1 engagement.What deserves to be explained is, except the pulley structure that the guide pad 802 of the present embodiment adopts, other similar structure can also be adopted.
As above drag-line 5 draw the body of rod 601 move to realize parking time, the hook pawl 202 of park pawl 2, likely overhead is at the top of parking tooth 101, its state as shown in Figure 5, this state is parking state not in place, in order to realize better parking effect, drag-line 5 is connected with the body of rod 601 by the first spring 501.Like this, when Fig. 5 state occurs, drag-line 5 is subject to the driving traction of motor 8 and is stretched by the first spring 501, make the first spring 501 spring energy storage, when parking gear 1 slightly turns several angle, the body of rod 601 continues with Fig. 1 state to left movement because of the spring energy storage of the first spring 501, and final driving park pawl 2 engages with parking gear 1 and realizes parking.
In order to reduce the load of parking rear motor 8 internal gear, to improve the working life of motor, the traction drive mechanism of the present embodiment also comprises limting mechanism, this position-limit mechanism is when park pawl 2 has engaged with parking gear 1, limting mechanism applies barrier force to rotational output shaft 801, to suppress the rotation of rotational output shaft 801.In the present embodiment, limting mechanism comprises and is fixed on rotational output shaft 801 upper protruding block 803, and is driven by drive unit and be movably arranged on the latch 804 in case of transmission; When park pawl 2 has engaged with parking gear 1, drive unit has driven latch 804 to move to projection 803 with state shown in Fig. 1, and when being positioned at above projection 803, realizes the stop to projection 803, and then reduces the load of motor 8 internal gear.In the present embodiment, conventional power plant can be adopted to the drive unit that latch 804 drives, as the gear & rack structure of driven by motor, as long as guarantee that this drive unit can drive the transverse shifting of latch 804, not repeat them here.
In vehicle, be loaded with the structure of vehicle parking device as above, can parking be realized, and the controlling method that vehicle parking device as above runs, comprise the following steps:
Control traction drive mechanism by main control unit and tractive force is applied to drag-line 5, draw the actuated lever assemblies motion being positioned at initial position to make drag-line 5, and then make actuated lever assemblies promote the engagement of park pawl 2 and parking gear 1, realize parking, specifically, based on vehicle parking device as described above, main control unit adopts vehicle ECU, it is when receiving parking signal, control motor 8 to rotate clockwise with state shown in Fig. 1, drag-line 5 is wrapped on rotational output shaft 801 because of the rotation of rotational output shaft 801, and then pull the body of rod 601 to rotate, after rotating power output week 801 rotates to an angle, park pawl 2 engages with parking gear 1 and realizes parking, now, motor 8 shuts down, simultaneously, main control unit accessory drive drives latch 804 move to projection 803 and rest on the top of projection 803, realize the stop to projection 803.
Control the tractive force of traction drive mechanism release to drag-line 5 by main control unit, to make actuated lever assemblies under the spring energy storage release of returning device, be repositioned to initial position, park pawl 2 and parking gear 1 depart from engagement, remove parking.Specifically, when vehicle ECU as main control unit receives and removes parking instruction, accessory drive starts to make latch 804 move right with state shown in Fig. 1, to depart from the stop to projection 803, starting electrical machinery 8 simultaneously, motor 8 is rotated counterclockwise with state shown in Fig. 1, the tractive force acted on zip 5 is discharged, the body of rod 601 is under the spring energy storage effect of the second spring 7, move right with state shown in Fig. 1, and be repositioned to initial position, in the process, park pawl 2 is because of the effect of torsion spring 204, return back to original state, realize the unblock of parked state.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a vehicle parking device, comprises parking gear, park pawl, and contacts the actuated lever assemblies coordinated with park pawl, it is characterized in that this vehicle parking device also comprises:
Drag-line, is connected with actuated lever assemblies;
Traction drive mechanism, drives with drag-line and is connected, and by applying tractive force to drag-line, and the actuated lever assemblies being positioned at initial position is had promote the park pawl parking campaign of engaging with parking gear;
Returning device, be connected in actuated lever assemblies, it carries out spring energy storage because of the parking campaign of actuated lever assemblies, and when the traction drive mechanism tractive force of release to drag-line, described returning device release spring energy storage and order about actuated lever assemblies and be repositioned to initial position.
2. vehicle parking device according to claim 1, is characterized in that: described drag-line is connected with actuated lever assemblies by the first spring.
3. vehicle parking device according to claim 1, is characterized in that: described returning device is the second spring be connected between actuated lever assemblies and case of transmission, and the second described spring and drag-line split the relative both sides in actuated lever assemblies.
4. vehicle parking device according to claim 1, is characterized in that: described actuated lever assemblies coordinates with park pawl rolling friction.
5. vehicle parking device according to claim 4, is characterized in that: in described actuated lever assemblies, be connected with the bearing coordinated with park pawl rolling friction.
6. vehicle parking device according to any one of claim 1 to 5, is characterized in that: described traction drive mechanism comprises the motor with rotational output shaft, is fixed on the guide pad in case of transmission; Described drag-line, via after guide pad support guide, is connected on rotational output shaft, and when applying tractive force at electric motor starting to drag-line, described drag-line is wrapped on rotational output shaft.
7. vehicle parking device according to claim 6, it is characterized in that: described traction drive mechanism comprises limting mechanism, when park pawl has engaged with parking gear, described limting mechanism has applied barrier force to rotational output shaft, to suppress the rotation of rotational output shaft.
8. vehicle parking device according to claim 7, is characterized in that: described limting mechanism comprises the projection be fixed on rotational output shaft, and is driven by drive unit and be movably arranged on the latch in case of transmission; When park pawl has engaged with parking gear, described drive unit has driven latch to move and has stopped with latch and coordinate.
9. a controlling method for vehicle parking device operation, is characterized in that the method comprises the following steps:
Control traction drive mechanism by main control unit and tractive force is applied to drag-line, draw the actuated lever assemblies motion being positioned at initial position to make drag-line, and then make actuated lever assemblies promote the engagement of park pawl and parking gear, realize parking;
Control the tractive force of traction drive mechanism release to drag-line by main control unit, to make actuated lever assemblies under the spring energy storage release of returning device, be repositioned to initial position, park pawl and parking gear depart from engagement, remove parking.
10. a vehicle, is characterized in that: this 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 |
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| Publication Number | Publication Date |
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| CN104455395A true CN104455395A (en) | 2015-03-25 |
| CN104455395B CN104455395B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410695076.0A Active CN104455395B (en) | 2014-11-27 | 2014-11-27 | Vehicle parking device and its control method and vehicle of operation |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106352075A (en) * | 2016-08-31 | 2017-01-25 | 江苏三能动力总成有限公司 | Automotive electronic gear shifting device |
| 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 |
| CN110953340A (en) * | 2018-09-26 | 2020-04-03 | 丰田自动车株式会社 | Parking lock device for vehicle |
| CN111322399A (en) * | 2018-12-13 | 2020-06-23 | 丰田自动车株式会社 | Parking device |
| CN111845662A (en) * | 2019-04-24 | 2020-10-30 | 保时捷股份公司 | Fixing device for securing a vehicle in a stationary state |
| CN113494603A (en) * | 2020-04-06 | 2021-10-12 | 麦格纳动力系有限两合公司 | Transmission device with 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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| EP2660112A1 (en) * | 2012-04-30 | 2013-11-06 | Tesla Motors, Inc. | Park lock for narrow transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106352075A (en) * | 2016-08-31 | 2017-01-25 | 江苏三能动力总成有限公司 | Automotive electronic gear shifting device |
| 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 |
| CN110953340A (en) * | 2018-09-26 | 2020-04-03 | 丰田自动车株式会社 | Parking lock device for vehicle |
| CN110953340B (en) * | 2018-09-26 | 2021-05-14 | 丰田自动车株式会社 | Parking lock device for vehicle |
| CN111322399A (en) * | 2018-12-13 | 2020-06-23 | 丰田自动车株式会社 | Parking device |
| CN111845662A (en) * | 2019-04-24 | 2020-10-30 | 保时捷股份公司 | Fixing device for securing a vehicle in a stationary state |
| CN113494603A (en) * | 2020-04-06 | 2021-10-12 | 麦格纳动力系有限两合公司 | Transmission device with damping element |
| US11598404B2 (en) | 2020-04-06 | 2023-03-07 | Magna powertrain gmbh & co kg | Gear assembly having 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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|---|---|
| CN104455395B (en) | 2017-11-28 |
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