WO2022069916A1 - Dispositif de stationnement - Google Patents

Dispositif de stationnement Download PDF

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Publication number
WO2022069916A1
WO2022069916A1 PCT/IB2020/000826 IB2020000826W WO2022069916A1 WO 2022069916 A1 WO2022069916 A1 WO 2022069916A1 IB 2020000826 W IB2020000826 W IB 2020000826W WO 2022069916 A1 WO2022069916 A1 WO 2022069916A1
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WO
WIPO (PCT)
Prior art keywords
park
groove
cam
pin
torque
Prior art date
Application number
PCT/IB2020/000826
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English (en)
Japanese (ja)
Inventor
明彦 佐野
Original Assignee
日産自動車株式会社
ルノー エス． ア． エス．
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日産自動車株式会社, ルノー エス． ア． エス． filed Critical 日産自動車株式会社
Priority to PCT/IB2020/000826 priority Critical patent/WO2022069916A1/fr
Publication of WO2022069916A1 publication Critical patent/WO2022069916A1/fr

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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

Definitions

  • the present invention relates to a park device.
  • JP2007-315410A discloses a technique of rotating a parking pole by a motor via a driven gear or the like to perform park lock and park lock release.
  • the torque of the motor is transmitted to the parking pole via a ball-shaped pivot fixed to a mounting bracket integrally formed with the driven gear.
  • the present invention has been made in view of such a problem, and an object thereof is to improve vehicle mountability.
  • a park device is a park device including an actuator for operating a parking pole, and the parking pole is engaged with a parking gear to perform park lock, and the torque of the operating torque of the parking pole with respect to the torque of the actuator.
  • the ratio changes continuously between the park lock position, which is the first switching position, and the park lock release position, which is the second switching position.
  • FIG. 1 is a schematic configuration diagram of a park device.
  • FIG. 2 is an explanatory diagram of the first cam groove.
  • FIG. 3 is an explanatory diagram of the second cam groove.
  • FIG. 4 is the first diagram of the operation explanatory diagram of the park device.
  • FIG. 5 is a second diagram of an operation explanatory diagram of the park device.
  • FIG. 6 is FIG. 3 of an operation explanatory diagram of the park device.
  • FIG. 7 is an explanatory diagram of the torque ratio in the manual plate.
  • FIG. 1 is a schematic configuration diagram of the park device 1.
  • the park device 1 has a park mechanism 2, a shift mechanism 3, an actuator 4, a reduction gear 5, a first gear 6, and a second gear 7.
  • the park mechanism 2 is shown in the front view of the cam plate 29, and the shift mechanism 3, the actuator 4, and the reduction gear 5 are shown in the side view of the cam plate 29.
  • the park mechanism 2 includes a parking gear 21, a parking pole 22, a park rod 23, a wedge 24, a wedge spring 25, a manual plate 26, a first rod 27, a first pin 28, and a cam plate 29. , A detent spring 30 and an engaging member 31.
  • the parking gear 21 is fixed to the output shaft of the transmission and rotates and stops together with the output shaft.
  • the parking pole 22 engages with the parking gear 21.
  • the parking pole 22 swings according to the movement of the park rod 23.
  • the engagement state between the parking gear 21 and the parking pole 22 is changed.
  • the park rod 23 is provided between the parking pole 22 and the manual plate 26.
  • a wedge 24 is provided on one end side of the park rod 23, and a manual plate 26 engages with the other end of the park rod 23.
  • the wedge 24 is a contact member with the parking pole 22, and is provided so as to be displaceable in the axial direction of the park rod 23.
  • the wedge 24 swings the parking pole 22 according to the movement of the park rod 23.
  • the wedge spring 25 is provided between the flange portion 23a of the park rod 23 and the wedge 24, and urges the wedge 24 toward the parking pole 22.
  • the wedge spring 25 is a coil spring and is arranged on the park rod 23 with the park rod 23 inserted.
  • the contact state between the wedge 24 and the parking pole 22 is held by a sleeve located on the opposite side of the parking pole 22 with the wedge 24 in between.
  • the manual plate 26 is a rotating plate and has a park rod engaging hole 26a and a first rod engaging hole 26b.
  • the park rod 23 engages with the park rod engaging hole 26a with play.
  • the manual plate 26 has a first groove portion 26c and a second groove portion 26d on the peripheral edge portion.
  • the detent spring 30 engages with the first groove portion 26c and the second groove portion 26d.
  • the first rod 27 is connected to the first pin 28 and engages with the manual plate 26.
  • the first rod 27 is slidably engaged with the first rod engaging hole 26b at one end in the circumferential direction, and is fixed to the first pin 28 at the other end.
  • the first pin 28 engages with the first cam groove 291 of the cam plate 29.
  • the first pin 28 moves in the first cam groove 291 according to the rotation of the cam plate 29.
  • the cam plate 29 is a disk-shaped plate and has a first cam groove 291.
  • the cam plate 29 is provided on the reduction gear 5 and is arranged coaxially with the reduction gear 5. In the cam plate 29, the power from the actuator 4 is transmitted to the first pin 28 via the first cam groove 291.
  • the detent spring 30 is composed of a leaf spring and urges the engaging member 31 toward the manual plate 26.
  • the engaging member 31 engages with each of the first groove portion 26c and the second groove portion 26d.
  • the engaging member 31 is formed at the tip of the detent spring 30, engages with the first groove portion 26c when the park mechanism 2 is in the park lock position, and is in the second groove portion when the park mechanism 2 is in the park lock release position. Engage with 26d.
  • the park lock position is the first switching position of the park mechanism 2, and in the park lock position, the parking pole 22 meshes with and engages with the parking gear 21.
  • the park lock release position is the second switching position of the park mechanism 2. In the park lock release position, the parking pole 22 moves as much as possible to the park lock release side and does not engage and engage with the parking gear 21.
  • the detent spring 30 holds the rotational position of the manual plate 26 by the spring force in a state where the engaging member 31 is engaged with each of the first groove portion 26c and the second groove portion 26d.
  • the reduction gear 5 is connected to the actuator 4.
  • the reduction gear 5 meshes with the first gear 6 provided on the output shaft of the actuator 4, and is connected to the actuator 4 via the first gear 6.
  • the actuator 4 is, for example, a motor, and the power of the actuator 4 is a first gear 6, a reduction gear 5, a cam plate 29, a first pin 28, a first rod 27, a manual plate 26, a park rod 23, a wedge spring 25, and a wedge. It is transmitted to the parking pole 22 via 24. As a result, the parking pole 22 is operated by the actuator 4.
  • the reduction gear 5 is further connected to the shift mechanism 3.
  • the shift mechanism 3 is a mechanism for engaging and disengaging a clutch, and a dog clutch is used for the clutch.
  • a clutch other than the dog clutch may be used as the clutch.
  • the shift mechanism 3 has a cam cylinder 31, a second pin 32, and a second rod 33.
  • the cam cylinder 31 is used to convert the rotational operation of the actuator 4 into a linear operation.
  • the cam cylinder 31 is used to operate the shift fork of the dog clutch, and is connected to the reduction gear 5 via the second gear 7 provided on the rotating shaft of the cam cylinder 31.
  • the cam cylinder 31 has a second cam groove 311, and the second pin 32 is engaged with the second cam groove 311.
  • the second pin 32 moves in the second cam groove 311 according to the rotation of the cam cylinder 31. Power from the actuator 4 is transmitted from the cam cylinder 31 to the second pin 32 via the second cam groove 311.
  • One end of the second rod 33 is connected to the second pin 32, and the other end of the second rod 33 is connected to the shift fork via a spring.
  • One end of the second rod 33 is fixed to the second pin 32.
  • FIG. 2 is an explanatory diagram of the first cam groove 291.
  • the first cam groove 291 is provided on the plate surface of the cam plate 29 and has a radius changing groove 291a and a radius constant groove 291b.
  • the radius change groove 291a is set so that the radius changes.
  • the radius change groove 291a has a first position P1 and a second position P2.
  • the first pin 28 is located at the first position P1 when the park mechanism 2 is in the park lock position, and the first pin 28 is located at the second position P2 when the park mechanism 2 is in the park lock release position. ..
  • the first pin 28 is located at the first position P1 in a state of being in contact with one end of the radius changing groove 291a on the park lock side.
  • the radius of the radius change groove 291a gradually increases as the angular position on the cam plate 29 becomes the park lock release side.
  • the park lock side and the park lock release side shown in the figure indicate the position of the radius change groove 291a on the cam plate 29, and the rotation direction of the cam plate 29 at the time of park lock and the park lock release is the park lock side shown in the figure. It is the opposite of the park unlock side.
  • the second position P2 is located at the other end of the radius changing groove 291a on the park lock release side, and the radius of the radius changing groove 291a becomes maximum at the angular position of the second position P2. That is, the radius of the radius change groove 291a extends from the angular position of the first position P1 where the first pin 28 is located at the park lock position to the angular position of the second position P2 where the first pin 28 is located at the park lock release position. , The angle position on the cam plate 29 gradually increases as it becomes the park lock release side.
  • a constant radius groove 291b is connected to the other end of the radius changing groove 291a on the park lock release side.
  • the radius is constant in the constant radius groove 291b.
  • the constant radius groove 291b extends from the radius change groove 291a toward the clutch engagement side which is in the same direction as the park lock release side.
  • the direction opposite to the clutch engagement side in the constant radius groove 291b is the clutch release side.
  • the clutch engaging side and the clutch releasing side shown in the figure indicate the positions of the constant radius grooves 291b on the cam plate 29, as in the park lock side and the park lock release side shown in the figure.
  • the radius changing groove 291a interferes with the first pin 28 when the cam plate 29 rotates. Therefore, the first pin 28 moves in accordance with the rotation of the cam plate 29 while being guided by the radius changing groove 291a.
  • the first pin 28 When the first pin 28 is located in the constant radius groove 291b, the first pin 28 does not move because the constant radius groove 291b does not interfere with the first pin 28 even if the cam plate 29 rotates. That is, the constant radius groove 291b is a swinging groove that causes the first pin 28 to swing idle when the cam plate 29 rotates.
  • the constant radius groove 291b corresponds to the first air swing groove.
  • FIG. 3 is an explanatory diagram of the second cam groove 311.
  • the clutch engaging side and the clutch releasing side shown in the figure indicate the position of the second cam groove 311 on the cam cylinder 31 in both the axial direction and the rotation direction of the cam cylinder 31.
  • the second cam groove 311 is provided on the circumferential surface of the cam cylinder 31 and has an axial position constant groove 311a and an axial position change groove 311b.
  • the axial position constant groove 311a is an air swing groove that causes the second pin 32 to swing idle when the cam cylinder 31 rotates.
  • the constant direction position groove 311a does not interfere with the second pin 32.
  • the axial position constant groove 311a corresponds to the second air swing groove.
  • Axial position change groove 311b changes the axial position of the cam cylinder 31.
  • the axial position gradually changes to the clutch engagement side as the angular position on the cam cylinder 31 becomes the clutch engagement side.
  • the axial position change groove 311b is connected to one end of the axial position constant groove 311a on the cam cylinder 31 on the rotational clutch engagement side.
  • the axial position constant groove 311a is provided as follows in relation to the radius change groove 291a of the cam plate 29. That is, the radius changing groove 291a and the axial position constant groove 311a are provided so that the first pin 28 is located in the radius changing groove 291a when the second pin 32 is located in the axial position constant groove 311a. See Figure 1). Therefore, the park mechanism 2 that operates in response to the operation of the first pin 28 operates when the shift mechanism 3 that operates in response to the operation of the second pin 32 does not operate.
  • the axial position change groove 311b is provided as follows in relation to the constant radius groove 291b of the cam plate 29. That is, the constant radius groove 291b and the axial position change groove 311b are provided so that the second pin 32 is located in the axial position change groove 311b when the first pin 28 is located in the constant radius groove 291b. See FIG. 6 described later). Therefore, the shift mechanism 3 that operates in response to the operation of the second pin 32 operates when the park mechanism 2 that operates in response to the operation of the first pin 28 does not operate.
  • the park mechanism 2 is in the park lock position, and the shift mechanism 3 is in the non-operating state.
  • the park lock position as a result of the parking pole 22 engaging and engaging with the parking gear 21, the parking gear 21 is mechanically locked and the movement of the vehicle is restricted.
  • the actuator 4 is driven in the direction of releasing the park lock from this state, the park device 1 operates as follows.
  • FIG. 4 to 6 are operation explanatory diagrams of the park device 1.
  • FIG. 4 shows a case where the park mechanism 2 is in the intermediate position between the park lock position and the park lock release position, and the shift mechanism 3 is in the non-operating state.
  • FIG. 5 shows a case where the park mechanism 2 is in the park lock release position and the shift mechanism 3 is in the non-operating state.
  • FIG. 6 shows a case where the park mechanism 2 is in the park lock release position and the shift mechanism 3 is in the operating state.
  • the first rod 27 moves in the direction of releasing the park lock on the left side in the figure, and pushes the manual plate 26.
  • the manual plate 26 rotates in the counterclockwise release direction in the figure and pulls the park rod 23.
  • the wedge 24 moves in the direction away from the parking pole 22 together with the park rod 23.
  • the parking pole 22 operates in the direction away from the parking gear 21, that is, on the side of releasing the park lock, while abutting on the tapered portion of the wedge 24.
  • the actuator 4 When the first pin 28 is located in the radius change groove 291a, the actuator 4 operates the parking pole 22 on the park lock release side in this way, so that the park mechanism 2 operates.
  • the second pin 32 is located in the above-mentioned axial position constant groove 311a. Therefore, even if the actuator 4 is driven in the park lock release direction, the second pin 32 is not guided by the second cam groove 311. Therefore, the second pin 32 and the second rod 33 do not move, and the shift mechanism 3 becomes inactive.
  • the first pin 28 moves to the second position P2 according to the rotation of the cam plate 29. Therefore, the switching position of the park mechanism 2 becomes the park lock release position, and the vehicle becomes movable.
  • the wedge 24 moves in a direction further away from the parking pole 22 than in the state shown in FIG. 4, and as a result of moving in accordance with this, the wedge 24 moves to the maximum to the park lock release side. Since the second pin 32 is still located in the above-mentioned axial position constant groove 311a, the shift mechanism 3 remains inactive.
  • the actuator 4 is further driven in the clutch engagement direction in the same direction as the park lock release direction, and the cam plate 29 is rotated accordingly, so that the first pin 28 is located in the above-mentioned constant radius groove 291b. ing. Therefore, even if the cam plate 29 rotates, the first pin 28 does not move and the parking pole 22 does not operate, so that the park mechanism 2 does not operate.
  • the second pin 32 is located in the above-mentioned axial position change groove 311b. Therefore, when the cam cylinder 31 is rotated in the clutch engagement direction which is the same direction as the park lock release direction by the power from the actuator 4, the second pin 32 is guided by the axial position change groove 311b and the shaft in the cam cylinder 31. Move to the directional fastening side.
  • the second rod 33 also moves in the clutch engagement direction, and power is transmitted from the second rod 33 to the shift fork via the spring.
  • the shift fork is moved by the power from the actuator 4, or the spring is compressed to move the shift fork, and the shift mechanism 3 is put into an operating state.
  • the torque ratio in the manual plate 26 is the ratio of the torque transmitted by the manual plate 26 to the torque of the actuator 4, and corresponds to the torque ratio of the operating torque of the parking pole 22 to the torque of the actuator 4.
  • FIG. 7 is an explanatory diagram of the torque ratio in the manual plate 26.
  • the vertical axis shows the axial torque of the manual plate 26, and the horizontal axis shows the angular position of the manual plate 26.
  • the drive torques TA, TA1 and TA2 indicate the shaft torque of the manual plate 26 according to the torque of the actuator 4.
  • the drive torque TA indicates the case of the present embodiment, and the drive torque TA1 and the drive torque TA2 indicate the cases of the first comparative example and the second comparative example.
  • the load torque T2 indicates the shaft torque of the manual plate 26 according to the load at the time of executing the park lock.
  • the load torque T1 indicates the shaft torque of the manual plate 26 according to the load when the park lock is released. For example, when the vehicle is parked on a slope, the parking pole 22 is heavily loaded by the parking gear 21.
  • the load torque T1 immediately rises sharply and becomes the maximum load T1_MAX.
  • the load torque T1 becomes the maximum load T1_MAX when the engaging member 31 gets over the slope of the first groove portion 26c against the spring force of the detent spring 30.
  • the drive torque TA1 is set smaller than the maximum load T1_MAX. Therefore, the load torque T1 having the maximum load T1_MAX exceeds the drive torque TA1. Therefore, in the case of the first comparative example, the manual plate 26 cannot be rotated by the actuator 4, and the park lock cannot be released.
  • the drive torque TA2 is set to be larger than the maximum load T1_MAX. Therefore, in the case of the second comparative example, the manual plate 26 can be rotated by the actuator 4 to release the park lock.
  • the drive torque TA1 and the drive torque TA2 do not change according to the angular position of the manual plate 26 and are constant. That is, in the first comparative example and the second comparative example, the torque transmitted by the manual plate 26 to the torque of the actuator 4 is constant, and the torque ratio in the manual plate 26 is constant. Therefore, in the second comparative example, it becomes necessary to use an actuator larger than that in the first comparative example for the actuator 4, and as a result, the vehicle mountability may deteriorate.
  • the cam plate 29 since the cam plate 29 has the radius change groove 291a, when the cam plate 29 in the park lock position rotates to the park lock release side, the first pin 28 is guided by the radius change groove 291a in the radial direction. Move to the outside.
  • the drive torque TA transmitted by the manual plate 26 based on the torque of the actuator 4 changes as the angular position of the manual plate 26 changes from the angle position corresponding to the park lock position to the angle position corresponding to the park lock release position. It gets smaller and smaller. The drive torque TA changes in this way from the park lock position to the park lock release position.
  • the drive torque TA1 is larger on the park lock position side and smaller than the drive torque TA1 on the park lock release position side. Drive torque TA is obtained. Therefore, it is possible to obtain a drive torque TA that exceeds the maximum load T1_MAX without increasing the actuator 4 as compared with the first comparative example.
  • the change in the drive torque TA indicates the change in the torque ratio in the manual plate 26.
  • the drive torque TA changes continuously between the park lock position and the park lock release position by changing according to the radius change of the gradually changing radius change groove 291a.
  • the torque ratio that continuously changes between the park lock position and the park lock release position is set in the manual plate 26.
  • the torque ratio that continuously changes between the park lock position and the park lock release position is set in the manual plate 26.
  • the torque ratio in the manual plate 26 is maximum near the angular position of the manual plate 26 where the maximum load T1_MAX when the park lock is released is generated.
  • the vicinity of the angular position of the manual plate 26 where the maximum load T1_MAX is generated is the vicinity of the angular position when the engaging member 31 gets over the slope of the first groove portion 26c at the time of releasing the park lock, and in the present embodiment, it corresponds to the park lock position. It is the angular position of the manual plate 26.
  • the park device 1 includes an actuator 4 for operating the parking pole 22, and engages the parking pole 22 with the parking gear 21 to perform park lock.
  • the torque ratio of the operating torque of the parking pole 22 to the torque of the actuator 4 continuously changes between the park lock position which is the first switching position and the park lock release position which is the second switching position.
  • the park device 1 is configured to include a manual plate 26 in which the torque ratio is set. In the park device 1, the torque ratio becomes maximum near the angular position of the manual plate 26 in which the maximum load T1_MAX at the time of releasing the park lock is generated.
  • the torque characteristics of the drive torque TA for making the drive torque TA higher than the maximum load T1_MAX can be appropriately set.
  • the park device 1 includes a manual plate 26 in which the torque ratio is set, a cam plate 29 that is rotationally operated by an actuator 4 and has a first cam groove 291 and a first pin 28 that engages with the first cam groove 291.
  • the configuration includes a first rod 27 that is connected to the first pin 28 and engages with the manual plate 26, and the first cam groove 291 includes a radius changing groove 291a.
  • the torque ratio in the manual plate 26 can be continuously changed between the park lock position and the park lock release position by the radius change groove 291a, so that the torque ratio can be continuously changed with a simple structure. Can be changed.
  • the radius change groove 291a has a radius that gradually increases as the angular position on the manual plate 26 becomes the park lock release side.
  • a drive torque TA having a characteristic of increasing on the park lock position side and decreasing on the park lock release position side. Therefore, when the angular position of the manual plate 26 changes from the angular position corresponding to the park lock position to the angular position corresponding to the park lock release position, the characteristic is suitable for the load torque T1 which immediately rises sharply and becomes the maximum load T1_MAX.
  • the drive torque TA can be obtained.
  • the park device 1 is configured to further include a cam cylinder 31 that is rotationally operated by an actuator 4 and has a second cam groove 311 and a second pin 32 that engages with the second cam groove 311.
  • the first cam groove 291 is connected to the radius changing groove 291a and further includes a constant radius groove 291b that causes the first pin 28 to swing idle when the cam plate 29 rotates.
  • the second cam groove 311 has an axial position constant groove 311a that causes the second pin 32 to swing idle when the cam cylinder 31 rotates, and an axial position change groove 311b that is connected to the axial position constant groove 311a.
  • the first pin 28 is swung by the axial position constant groove 311a to deactivate the park mechanism 2 according to the rotational operation range of the actuator 4, and the axial position constant groove 311a is made. Therefore, the second pin 32 can be swung idle to deactivate the shift mechanism 3. Therefore, it becomes possible to automatically switch between the operation of the park device 1 and the operation of the shift mechanism 3 according to the rotation of the actuator 4, and the park device 1 and the shift mechanism 3 are operated separately by a single actuator 4. It will be possible to make it.
  • the manual plate 26 is provided in the park mechanism 2 that performs park lock, and the cam cylinder 31 is provided in the shift mechanism 3 that engages and disengages the clutch. Then, the second pin 32 is located in the axially constant groove 311a while the park mechanism 2 is operating, and the first pin 28 is located in the radius constant groove 291b while the shift mechanism 3 is operating.
  • the shift mechanism 3 can be deactivated while the park mechanism 2 is operating, and the park mechanism 2 can be deactivated while the shift mechanism 3 is operating. Therefore, the operation of the park device 1 and the operation of the shift mechanism 3 can be automatically switched according to the rotation of the actuator 4, and the park device 1 and the shift mechanism 3 can be operated separately by a single actuator 4. Can be done.
  • the radius change groove 291a gradually becomes constant or smaller as the angular position on the cam plate 29 becomes the park lock release side between the angular position of the first position P1 and the angular position where the maximum load T1_MAX is generated. May be formed in.
  • the radius change groove 291a may be formed so as to obtain a drive torque TA having a characteristic higher than the maximum load T1_MAX, and the radius change groove 291a can also be formed as described above with the maximum load T1_MAX when the park lock is released. Is included in maximizing the torque ratio near the angular position of the manual plate 26 where
  • the radius of the radius change groove 291a is, for example, on the park lock release side from the angle position where the maximum load T1_MAX is generated, and the angle position on the cam plate 29 is on the park lock release side over the angle position of the second position P2. It may be set to gradually increase as it becomes.
  • the torque ratio is continuously generated between the park lock position and the park lock release position by transmitting power from the cam plate 29 having the first cam groove 291 to the manual plate 26 via the first rod 27.
  • the case of changing to is explained.
  • the structure for continuously changing the torque ratio is not limited to the above.
  • the first cam groove 291 may be provided on the manual plate 26.
  • the first rod 27 can be rotatably engaged with the cam plate 29 on one end side and provided on the first pin 28 on the other end side.
  • the function of the first cam groove 291 may be realized on the outer periphery of the cam plate 29.
  • the function of the first cam groove 291 is realized by the outer circumference where the radius changes and the outer circumference where the radius is constant.
  • a structure that moves the first rod 27 while being in contact with the outer periphery of the cam plate 29 can be applied to the first rod 27.
  • the cam plate 29 and the manual plate 26 may have a structure in which power is transmitted by contacting or meshing with each other.
  • the structure has a region in which the radius between the position where the cam plate 29 and the manual plate 26 are in contact with each other and the center of rotation of the cam plate 29 is constant according to the rotation of the cam plate 29, and a region in which the radius gradually changes. be able to.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

Un dispositif de stationnement (1) est pourvu d'un actionneur (4) destiné à actionner un cliquet de stationnement (22) et effectue un verrouillage de stationnement en mettant le cliquet de stationnement (22) en prise avec un engrenage de stationnement (21). Dans le dispositif de stationnement (1), le rapport de couple du couple de fonctionnement du cliquet de stationnement (22) au couple de l'actionneur (4) change de façon continue entre une position de verrouillage de stationnement, qui est une première position de commutation, et une position de libération de verrouillage de stationnement, qui est une seconde position de commutation.
PCT/IB2020/000826 2020-10-02 2020-10-02 Dispositif de stationnement WO2022069916A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/IB2020/000826 WO2022069916A1 (fr) 2020-10-02 2020-10-02 Dispositif de stationnement

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Application Number Priority Date Filing Date Title
PCT/IB2020/000826 WO2022069916A1 (fr) 2020-10-02 2020-10-02 Dispositif de stationnement

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WO2022069916A1 true WO2022069916A1 (fr) 2022-04-07

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PCT/IB2020/000826 WO2022069916A1 (fr) 2020-10-02 2020-10-02 Dispositif de stationnement

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150027846A1 (en) * 2013-07-23 2015-01-29 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Parking lock arrangement and motor vehicle transmission

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150027846A1 (en) * 2013-07-23 2015-01-29 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Parking lock arrangement and motor vehicle transmission

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