CN218882983U - Parking mechanism and vehicle - Google Patents

Abstract

The utility model discloses a parking mechanism and vehicle, parking mechanism includes: the parking assembly comprises a driving module, a locking wheel and a locking piece, the driving module is matched with the locking piece to drive the locking piece to be switchable between a locking state and an unlocking state, the locking piece is matched with the locking wheel to limit the rotational freedom degree of the locking wheel in the locking state, the locking piece is separated from the locking wheel to release locking of the locking wheel in the unlocking state, and the driving module is provided with a first fitting piece; the auxiliary driving assembly is provided with a second matching piece, the auxiliary driving assembly has a driving state and an avoiding state, in the driving state, the first matching piece and the second matching piece are matched to drive the driving module to act so that the locking piece can be switched to the locking state, in the avoiding state, the first matching piece and the second matching piece are separated, the emergency parking or the parking removal can be realized when the vehicle breaks down, the emergency demand of a user is met, and the safety of the vehicle is improved.

Description

Parking mechanism and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle and specifically relates to a parking mechanism and have vehicle of this parking mechanism is related to.

Background

In the related art, the parking mechanism can lock the transmission output end when the vehicle is parked, so that abnormal movement of the vehicle without the intention of the driver can be avoided, and the safety of the vehicle can be ensured. The parking mechanism of the traditional automatic transmission has two forms of mechanical parking and electric control parking, wherein the electric control parking mechanism has high integration level and better performance,

because automatically controlled parking needs to be provided current or oil pressure by the vehicle and provides power for the system, when control system etc. of vehicle circuit or derailleur breaks down, automatically controlled parking mechanism will unable execution parking or remove the parking, can't satisfy the user demand to the parking for vehicle security is poor, has the improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a parking mechanism, this parking mechanism can realize urgent parking or remove the parking when the vehicle breaks down, has satisfied user's urgent demand, has improved the security of vehicle.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses a parking mechanism includes: the parking assembly comprises a driving module, a locking wheel and a locking piece, wherein the driving module is matched with the locking piece to drive the locking piece to be switchable between a locking state and an unlocking state, the locking piece is matched with the locking wheel to limit the rotation freedom degree of the locking wheel in the locking state, the locking piece is separated from the locking wheel in the unlocking state to release the locking of the locking wheel, and the driving module is provided with a first fitting piece; the auxiliary driving assembly is provided with a second matching piece, the auxiliary driving assembly is provided with a driving state and an avoiding state, the driving state is that the first matching piece is matched with the second matching piece to drive the driving module to move so that the locking piece can be switched to the locking state, the avoiding state is that the first matching piece is separated from the second matching piece.

According to the utility model discloses a parking mechanism, this parking mechanism can realize urgent parking or remove the parking when the vehicle breaks down, has avoided the unable parking of vehicle and has leaded to swift current car, has avoided the unable parking of removing and the vehicle that causes removes the difficulty, has improved the security of parking mechanism, has reduced the removal degree of difficulty of vehicle behind the vehicle trouble, has satisfied user's urgent demand, has improved the security of vehicle.

In some examples of the present invention, one of the first fitting member and the second fitting member is a projection and the other is a through hole, the driving state is a state in which the projection is in contact with an inner wall of the through hole and the avoiding state is a state in which the through hole is in non-contact with the projection.

In some examples of the invention, the auxiliary drive assembly includes a swing arm assembly, the swing arm assembly is rotatable about a first axis, and the second fitting member is disposed at an end of the swing arm assembly remote from the first axis.

In some examples of the invention, the swing arm assembly comprises: connecting axle, first swing arm and second swing arm, the rotatable setting of connecting axle is just followed the extending direction of first axis extends, first swing arm with second swing arm fixed connection is in the both ends of connecting axle, first swing arm is kept away from the one end of connecting axle is equipped with the second fitting piece.

In some examples of the present invention, the swing arm assembly is provided with a fixing hole for the fixing member to pass through.

In some examples of the invention, the drive module comprises: the cam is provided with the first matching piece and is matched with the locking piece to drive the locking piece to be switchable between a locking state and an unlocking state; the cam is rotatably arranged on the driving shaft, a first baffle is fixedly arranged on the driving shaft, the cam is connected with the first baffle through a first resetting piece, and the first resetting piece applies acting force to the cam in a direction close to or far away from the locking piece.

In some examples of the invention, the cam is provided with a protruding structure, the drive shaft is provided with a second baffle, and the second baffle is arranged on one side of the protruding structure in the first direction.

In some examples of the invention, the locking member is provided with a guide ramp, and the cam cooperates with the guide ramp to drive movement of the locking member.

In some examples of the present invention, a second reset member is provided on the lock member, so that the lock member is switchable to the unlock state.

According to the utility model discloses a vehicle, including foretell parking mechanism.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a parking mechanism according to an embodiment of the present invention;

fig. 2 is a schematic view of another angle of the parking mechanism according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of an auxiliary driving assembly according to an embodiment of the present invention.

Reference numerals:

the parking mechanism 100, the parking assembly 10, the driving module 1, the cam 11, the boss 111, the protrusion structure 112, the driving shaft 12, the first baffle 121, the second baffle 122, the first reset piece 13, the locking wheel 2, the locking piece 3, the guide inclined plane 31, the second reset piece 32, the auxiliary driving assembly 20, the through hole 201, the swing arm assembly 202, the connecting shaft 2021, the first swing arm 2022, the second swing arm 2023, the fixing hole 2024, and the first axis 30.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The parking mechanism can lock the output end of the transmission when parking, can avoid abnormal movement of the vehicle under the intention of a non-driver, and ensures the safety of the vehicle. The parking mechanism of the traditional automatic transmission has two forms of mechanical parking and electric control parking, wherein the electric control parking mechanism is high in integration level and has better performance.

Because the electronic control parking needs to be powered by the vehicle to provide current or oil pressure, when a control system of a vehicle line or a transmission breaks down, the electronic control parking mechanism cannot execute parking or release parking, the use requirement for parking cannot be met, and the safety of the vehicle is poor.

Therefore, the embodiment of the utility model provides a have designed a parking mechanism 100 that can manual parking when taking place emergency, from this, when the control system of vehicle circuit or derailleur etc. breaks down, automatically controlled parking mechanism 100 will unable execution parking or remove when parking, the user can be through the manual urgent parking of execution of auxiliary drive subassembly 20 or remove the parking state to user's urgent demand has been satisfied, the safety of vehicle has been ensured.

A parking mechanism 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.

According to the utility model discloses parking mechanism 100 can include: a parking assembly 10 and an auxiliary drive assembly 20.

As shown in fig. 1 and 2, the parking assembly 10 includes a driving module 1, a locking wheel 2 and a locking member 3, wherein the locking wheel 2 is formed as an output end of the transmission or connected to the output end of the transmission, the vehicle can be parked when the locking wheel 2 is locked, and the vehicle is in a parking released state when the locking wheel 2 is unlocked. Locking piece 3 has locking state and unblock state, and when locking piece 3 was located the locking state, locking piece 3 and locking wheel 2 cooperate in order to restrict the rotational degree of freedom of locking wheel 2, and locking piece 3 can lock locking wheel 2, and when locking piece 3 was located the unblock state, locking piece 3 separated with locking wheel 2, and locking piece 3 can relieve the locking to locking wheel 2.

Further, the driving module 1 cooperates with the locking member 3 to drive the locking member 3 to be switchable between the locking state and the unlocking state, that is, the driving module 1 can act, and the locking member 3 can be driven to move in the process of the driving module 1 acting, so that the locking member 3 moves between the position of the locking wheel 2 and the position separated from the locking wheel 2, and the locking member 3 is switched between the locking state and the unlocking state.

Therefore, when the vehicle is not in fault, the electronic control system can directly drive the driving module 1 to act, and therefore the state switching of the locking piece 3 is achieved by controlling the driving module 1.

When the vehicle breaks down, the electric control system can not control the driving module 1, and at the moment, the driving module 1 needs to be manually driven by a user to move so as to realize state switching of the locking piece 3 through controlling the driving module 1, specifically, the driving module 1 is provided with a first matching piece, the auxiliary driving assembly 20 is provided with a second matching piece, and the first matching piece and the second matching piece are matched to drive the driving module 1 to move so as to enable the locking piece 3 to be switched to a locking state.

That is, when the vehicle has a fault, the user can manually drive the auxiliary driving assembly 20, and at this time, the auxiliary driving assembly 20 drives the driving module 1 to move through the cooperation of the second fitting piece and the first fitting piece, and then controls the driving module 1 to realize the state switching of the locking piece 3.

Further, in order to avoid the arrangement of the auxiliary drive assembly 20 from affecting the normal operation of the parking assembly 10 when the vehicle is not malfunctioning, the auxiliary drive assembly 20 has a driving state and a retracted state.

When the vehicle breaks down, the auxiliary driving assembly 20 is located the driving state, and at this moment, first fitting piece and second fitting piece cooperation, auxiliary driving assembly 20 can drive module 1 action, and through user's manual drive, can make the changeable locking state that reaches of locking piece 3 this moment.

When the vehicle has not failed and the electronic control system can normally control the driving module 1 to operate, the auxiliary driving assembly 20 is in the avoidance state, and at this time, in order to avoid the second mating member interfering with the normal operation of the driving module 1, the first mating member and the second mating member are separated, and the first mating member can freely move along with the operation of the driving module 1.

According to the utility model discloses parking mechanism 100, this parking mechanism 100 can realize urgent parking or remove the parking when the vehicle breaks down, have avoided the unable parking of vehicle and have leaded to swift current car, have avoided unable parking and the vehicle that causes of removing removes the difficulty, have improved parking mechanism 100's security, have reduced the removal degree of difficulty of vehicle trouble back vehicle, have satisfied user's urgent demand, have improved the security of vehicle.

In some embodiments, one of the first fitting and the second fitting is the boss 111, and the other one of the first fitting and the second fitting is the through hole 201, and the first fitting and the second fitting are designed in a manner that the through hole 201 is matched with the boss 111, so that the structure of the parking mechanism 100 can be simplified, the processing and production of a vehicle are facilitated, and the production cost is reduced.

The through hole 201 can be designed into a long hole, in an avoiding state, the convex column 111 is positioned in the through hole 201 and slides in the through hole 201, the through hole 201 is not in contact with the convex column 111, the driving module 1 is not in contact with the auxiliary driving assembly 20 at the moment, the driving module 1 can move under the control of the electric control system, and in the process, the auxiliary driving assembly 20 cannot interfere with the movement of the driving module.

In the driving state, the inner wall contact of projection 111 and through-hole 201, drive module 1 passes through-hole 201 and projection 111 cooperation synchronous motion with auxiliary drive assembly 20 this moment, and auxiliary drive assembly 20 can drive the action of drive module 1, and through user's manual drive, can make locking piece 3 changeable to the locking state this moment.

Referring to fig. 1 to 3, the first mating member is a boss 111, and the second mating member is a through hole 201, so as to facilitate the arrangement of the space in the parking mechanism 100. In other embodiments, the first mating member may be a sliding groove, and the second mating member is a protruding pillar 111, and the specific form of the first mating member and the second mating member is not limited herein.

As shown in fig. 1-3, the auxiliary driving assembly 20 includes a swing arm assembly 202, the swing arm assembly 202 is rotatable around a first axis 30, and a second engaging element is disposed at an end of the swing arm assembly 202 away from the first axis 30, so that the second engaging element has a sufficient moving distance, so that when the swing arm assembly 202 rotates around the first axis 30, the second engaging element located at the end of the swing arm assembly 202 away from the first axis 30 moves along with the first engaging element, and drives the first engaging element engaged with the second engaging element and the driving module 1 connected with the first engaging element to move, thereby achieving the purpose of controlling the parking assembly 10.

In connection with the embodiment shown in fig. 1-3, the swing arm assembly 202 includes: the connecting shaft 2021, the first swing arm 2022 and the second swing arm 2023, therefore, the overall structure of the auxiliary driving assembly 20 is simple, the arrangement space is small, and the production cost of the vehicle is reduced, wherein the end of the first swing arm 2022 away from the connecting shaft 2021 is provided with a second fitting, the swing arm assembly 202 is fitted with the parking assembly 10 through the second fitting on the first swing arm 2022, the connecting shaft 2021 is rotatably disposed and extends along the extending direction of the first axis 30, the connecting shaft 2021 is rotatably disposed on the vehicle body, and the first swing arm 2022 can be driven to swing by the rotation of the connecting shaft 2021.

The first swing arm 2022 and the second swing arm 2023 are fixedly connected to both ends of the connecting shaft 2021, that is, the first swing arm 2022 is disposed inside the vehicle and adjacent to the parking assembly 10. The second swing arm 2023 is disposed at an end far away from the parking assembly 10, and is close to the outside of the vehicle or located outside the vehicle, so that a user can directly contact the second swing arm 2023, and control the connecting shaft 2021 to rotate through the second swing arm 2023, thereby driving the first swing arm 2022 to swing, and further enabling the second fitting piece on the first swing arm 2022 to drive the driving module 1 to move to control the parking state of the parking assembly 10.

Referring to fig. 2 and 3, the swing arm assembly 202 is provided with a fixing hole 2024 for the fixing member to pass through. The fastener mates with the fastening hole 2024 to secure the swing arm assembly 202 in place.

For example, the fixing member may fix the swing arm assembly 202 at a position where the parking assist mechanism 100 is in the retracted state, so as to prevent play of the parking assist mechanism 100 from affecting normal parking of the parking mechanism 100.

The fixing member may also fix the swing arm assembly 202 after the auxiliary driving assembly 20 completes parking or releases parking, and at this time, the second mating member of the auxiliary driving assembly 20 is kept mated with the first mating member, so that the swing arm assembly 202 can limit the driving module 1, and the parking assembly 10 is kept in a corresponding parking state.

As shown in fig. 1 and 2, the drive module 1 includes: cam 11 and drive shaft 12, fixedly on the drive shaft 12 being provided with first baffle 121, the rotatable setting of cam 11 is on drive shaft 12, cam 11 is connected through first piece 13 that resets with first baffle 121, when the vehicle did not break down, drive shaft 12 rotates and drives first baffle 121 and rotate, first baffle 121 drives cam 11 through first piece 13 that resets and rotates, and then make drive shaft 12 can drive cam 11 and rotate, cam 11 and locking piece 3 cooperation are in order to drive locking piece 3 to switch between locking state and unlocking state this moment.

The cam 11 is provided with a first mating member, that is, the auxiliary driving assembly 20 can directly control the locking member 3 to switch between the locking state and the unlocking state by controlling the rotation of the cam 11.

Further, first piece 13 that resets exerts the effort that is close to or keeps away from the direction pivoted of locking piece 3 to cam 11 to make locking piece 3 block by locking wheel 2 and when unable arrival locking position, first piece 13 that resets can accumulate energy, so that after locking wheel 2 relieved spacing to locking piece 3, locking piece 3 can move the locking position and lock locking wheel 2.

As shown in fig. 1 and 2, a protruding structure 112 is disposed on the cam 11, a second blocking plate 122 is disposed on the driving shaft 12, the second blocking plate 122 is disposed on one side of the protruding structure 112 in the first direction, and the first direction is the clockwise direction in fig. 1, therefore, when the cam 11 is moved in the first direction by the acting force of the region reset piece, the second blocking plate 122 can limit the movement of the cam 11, so as to prevent the rotational position of the cam 11 from being disengaged from the limit position of the parking mechanism 100, which results in the disengagement of the cam 11 and the locking piece 3, and ensure the reliability of the parking mechanism 100.

Referring to fig. 1 and 2, the locking member 3 is provided with a guide slope 31, and the cam 11 cooperates with the guide slope 31 to drive the locking member 3 to move, so that the cooperation between the cam 11 and the locking member 3 is stable, jamming is avoided, and the reliability of the parking mechanism 100 is ensured.

As shown in fig. 1 and fig. 2, a second reset member 32 is disposed on the locking member 3, so that the locking member 3 can be switched to the unlocking state, that is, when the locking member 3 is not acted by an external force, the locking member 3 is in the unlocking state, and therefore when the cam 11 moves in a direction away from the locking member 3, the locking member 3 can be automatically switched back to the unlocking state.

Specifically, in conjunction with the embodiment shown in fig. 1 and 2, the locking member 3 is a parking pawl, the locking wheel 2 is a parking gear, the protruding structure 112 of the cam 11 is provided with a mounting hole, one end of the first resetting member 13 is connected with the mounting hole, and the other end of the first resetting member is connected with the first baffle 121.

A parking process of the parking mechanism 100 according to an embodiment of the present invention is described below with reference to fig. 1.

When the vehicle has not failed, the electronic control system can directly control the state of the parking assembly 10, when the vehicle needs to be parked, the parking motor drives the driving shaft 12 connected with the parking motor clockwise, the first baffle plate 121 on the driving shaft 12 rotates clockwise along with the driving shaft, and the cam 11 is driven to rotate clockwise through the first resetting piece 13, and at the moment, the cam 11 moves towards the direction close to the parking pawl. The parking pawl is moved in the direction of approaching the parking gear under the drive of the cam 11, and the second reset element 32 accumulates energy in the process until the teeth of the parking pawl engage the tooth grooves of the parking gear.

In the process that the parking pawl moves towards being close to the parking gear, the parking pawl can be in contact with the teeth of the parking gear firstly, the parking pawl is limited by the teeth of the parking gear at the moment, the parking pawl cannot move continuously, the cam 11 is also limited by the parking pawl and cannot move continuously clockwise, the parking motor drives the driving shaft 12 and the first baffle plate 121 to rotate clockwise at the moment, the first reset piece 13 positioned between the first baffle plate 121 and the cam 11 accumulates energy in the process, after the parking gear rotates to a certain angle, the limitation on the parking pawl is removed, and the first reset piece 13 drives the cam 11 to rotate so as to drive the parking pawl to be close to the parking gear and be matched with the tooth grooves of the parking gear.

When the vehicle needs to be parked in a releasing mode, the driving shaft 12 and the first baffle plate 121 are driven by the parking motor in a counterclockwise mode, the first baffle plate 121 drives the cam 11 to rotate in the counterclockwise mode, so that the cam 11 is far away from the parking pawl, and the parking pawl moves in the direction far away from the parking gear under the driving of the second reset piece 32 until the parking pawl is disengaged from a tooth groove of the parking gear.

In this process, the auxiliary drive assembly 20 is not in contact with the parking assembly 10.

An emergency parking process of the parking mechanism 100 according to an embodiment of the present invention is described below with reference to fig. 2.

When a vehicle breaks down and needs to be parked emergently, a user can manually and clockwise drive the second swing arm 2023, the swing of the second swing arm 2023 drives the connecting shaft 2021 to rotate clockwise so as to drive the first swing arm 2022 and the through hole 201 on the first swing arm 2022 to rotate anticlockwise until the hole wall of the through hole 201 is contacted with the convex column 111 on the cam 11, the first swing arm 2022 continues to rotate to drive the cam 11 to rotate anticlockwise and drive the parking pawl to move towards the direction close to the parking gear, and the second reset piece 32 accumulates energy in the process until the teeth of the parking pawl are matched with the tooth grooves of the parking gear. After parking is completed, the swing arm assembly 202 may be fixedly disposed on the vehicle body by passing a fixing member through the fixing hole 2024 so that the parking assembly 10 is maintained in the parking state.

When the vehicle breaks down and needs to be emergently released from parking, a user can manually drive the second swing arm 2023 anticlockwise, the swing of the second swing arm 2023 drives the connecting shaft 2021 to rotate anticlockwise so as to drive the first swing arm 2022 and the through hole 201 on the first swing arm 2022 to rotate anticlockwise until the hole wall of the through hole 201 is contacted with the convex column 111 on the cam 11, the first swing arm 2022 continues to rotate to drive the cam 11 to rotate clockwise, and the parking pawl is driven to move towards the direction far away from the parking gear, at the moment, the second reset piece 32 drives the parking pawl to be far away from the parking gear until the parking pawl is disengaged from the parking gear. After the parking release is completed, the fixing member may be passed through the fixing hole 2024 to fixedly dispose the swing arm assembly 202 on the vehicle body, so that the parking assembly 10 is maintained in the parking release state.

The vehicle according to the embodiment of the present invention, including the parking mechanism 100 of the above-mentioned embodiment, is known to those skilled in the art and other configurations of the vehicle, such as the transmission, the brake system, the steering system, etc., are not described in detail herein

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A parking mechanism, comprising:

the parking assembly comprises a driving module, a locking wheel and a locking piece, wherein the driving module is matched with the locking piece to drive the locking piece to be switchable between a locking state and an unlocking state, the locking piece is matched with the locking wheel to limit the rotation freedom degree of the locking wheel in the locking state, the locking piece is separated from the locking wheel in the unlocking state to release the locking of the locking wheel, and the driving module is provided with a first fitting piece;

the auxiliary driving assembly is provided with a second matching piece, the auxiliary driving assembly is provided with a driving state and an avoiding state, the driving state is that the first matching piece is matched with the second matching piece to drive the driving module to move so that the locking piece can be switched to the locking state, the avoiding state is that the first matching piece is separated from the second matching piece.

2. The parking mechanism of claim 1, wherein one of the first fitting and the second fitting is a boss and the other is a through-hole, the boss being in contact with an inner wall of the through-hole in the driving state, and the through-hole being free of contact with the boss in the retracted state.

3. The park mechanism according to claim 2, wherein the auxiliary drive assembly includes a swing arm assembly rotatable about a first axis, the second engagement member being disposed at an end of the swing arm assembly remote from the first axis.

4. The park mechanism of claim 3, wherein the swing arm assembly includes: connecting axle, first swing arm and second swing arm, the rotatable setting of connecting axle is just followed the extending direction of first axis extends, first swing arm with second swing arm fixed connection is in the both ends of connecting axle, first swing arm is kept away from the one end of connecting axle is equipped with the second fitting piece.

5. The park mechanism according to claim 3, wherein the swing arm assembly is provided with a fixing hole for a fixing member to pass through.

6. The parking mechanism of any of claims 1-5, the drive module comprising: the cam is provided with the first matching piece and is matched with the locking piece to drive the locking piece to be switchable between a locking state and an unlocking state;

the cam is rotatably arranged on the driving shaft, a first baffle is fixedly arranged on the driving shaft, the cam is connected with the first baffle through a first resetting piece, and the first resetting piece applies acting force to the cam in a direction close to or far away from the locking piece.

7. The parking mechanism according to claim 6, wherein a protruding structure is provided on the cam, and a second stopper is provided on the drive shaft, the second stopper being provided on one side of the protruding structure in the first direction.

8. The park mechanism according to claim 6, wherein the latch member is provided with a guide ramp, the cam cooperating with the guide ramp to drive movement of the latch member.

9. The parking mechanism of claim 1, wherein a second reset member is provided on the latch member to allow the latch member to be switched to the unlocked state.

10. A vehicle characterized by comprising a parking mechanism according to any one of claims 1-9.

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