CN217152946U - Parking mechanism and car - Google Patents

Parking mechanism and car Download PDF

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Publication number
CN217152946U
CN217152946U CN202220881488.3U CN202220881488U CN217152946U CN 217152946 U CN217152946 U CN 217152946U CN 202220881488 U CN202220881488 U CN 202220881488U CN 217152946 U CN217152946 U CN 217152946U
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CN
China
Prior art keywords
gear
input shaft
transmission input
rotating
locking
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Active
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CN202220881488.3U
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Chinese (zh)
Inventor
岳怡宁
王科
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Sichuan Iat New Energy Automobile Co ltd
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Sichuan Iat New Energy Automobile Co ltd
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Priority to CN202220881488.3U priority Critical patent/CN217152946U/en
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Publication of CN217152946U publication Critical patent/CN217152946U/en
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Abstract

The utility model belongs to the technical field of vehicle parking system technique and specifically relates to a parking mechanism and car is related to. The utility model provides a parking mechanism, include: the transmission comprises a transmission input shaft, a driving device, a rotating gear, a fixed gear and a locking gear; the driving device, the rotating gear, the fixed gear and the locking gear are all sleeved on the transmission input shaft, the rotating gear is fixedly connected with the transmission input shaft, the fixed gear and the locking gear can rotate relative to the transmission input shaft, and the locking gear can slide along the axial direction of the transmission input shaft; the driving device is used for driving the locking gear to slide along the axial direction of the input shaft of the transmission, so that the locking gear contacts with the rotating gear and the fixed gear to lock the rotating gear, or the locking gear is separated from the rotating gear and the fixed gear to unlock the rotating gear. The driving device, the rotating gear, the fixed gear and the locking gear are axially distributed, the structure is simpler and more compact, the number of parts is less, the occupied space is reduced, and the cost is reduced.

Description

Parking mechanism and car
Technical Field
The utility model belongs to the technical field of vehicle parking system technique and specifically relates to a parking mechanism and car is related to.
Background
The parking mechanism is an actuating mechanism for realizing the locking of the automobile transmission, can effectively ensure that the automobile is reliably parked in situ, and cannot automatically slide under any condition. The electric automobile transmission is different from a manual transmission, and the manual transmission can be braked by engaging gears and rotating resistance torque of an engine by engaging the gears in a first gear or a reverse gear in a flameout state; in the flameout state of the electric automobile, all transmission parts of the transmission are in an idling state, so that the braking of the transmission system must be realized by adding a parking mechanism.
The traditional parking mechanism mostly adopts a structure of ratchet wheels and pawls and is arranged in a gearbox, the ratchet wheels are positioned on a rotating shaft, the pawls are positioned outside the rotating shaft, and the pawls are pushed by a linear device or a rotating device and are clamped into the ratchet wheels, so that parking is formed.
The following problems exist in such an arrangement: 1. the pawls are arranged along the diameter direction of the ratchet wheel, and the requirement on the design space of a gear train of the transmission is extremely high. 2. The precision requirement of spare part is high, 3, whole parking mechanism structure is complicated, and the assembly manufacturability is poor moreover. 4. Inspection and disassembly are troublesome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a parking mechanism and car to solve current pawl along the radial setting of ratchet, to derailleur gear train design space requirement high, to the required precision of spare part high, the structure is complicated and the troublesome technical problem of dismouting inspection.
The utility model provides a pair of parking mechanism, include: the transmission comprises a transmission input shaft, a driving device, a rotating gear, a fixed gear and a locking gear;
the driving device, the rotating gear, the fixed gear and the locking gear are all sleeved on the transmission input shaft, the rotating gear is fixedly connected with the transmission input shaft, the fixed gear and the locking gear can rotate relative to the transmission input shaft, and the locking gear can slide along the axial direction of the transmission input shaft;
the driving device is used for driving the locking gear to slide along the axial direction of the transmission input shaft, so that the locking gear is in contact with the rotating gear and the fixed gear to lock the rotating gear, or the locking gear is separated from the rotating gear and the fixed gear to unlock the rotating gear.
As a further technical solution, the driving device is rotationally connected to the transmission input shaft, and drives the lock gear to slide along the axial direction of the transmission input shaft by rotating relative to the transmission input shaft.
As a further technical solution, the driving device includes a force application component and a transmission component, the force application component is used for rotating the transmission component, and the transmission component drives the locking gear to slide along the axial direction of the transmission input shaft through rotation.
As a further technical solution, the force application assembly includes a torsion accumulator, the transmission assembly includes a driving disc disposed opposite to the locking gear, and the torsion accumulator is fixedly connected to the driving disc;
the end face of the driving disc, facing the locking gear, is provided with a first protrusion with a first inclined surface, the end face of the locking gear, facing the driving disc, is provided with a second protrusion with a second inclined surface, and the first inclined surface and the second inclined surface are oppositely arranged and can be mutually abutted;
the driving disc drives the first protrusion and the second protrusion to slide relatively through rotation relative to the locking gear, so that the locking gear is far away from the driving disc along the axial direction of the transmission input shaft.
As a further technical solution, the force application assembly further includes a return spring, and the return spring is disposed between the lock gear and the rotating gear.
As a further technical scheme, the force application assembly further comprises a protection disc, the driving disc is sleeved on the torsion energy accumulator, and the protection disc is connected to the end face, deviating from the locking gear, of the driving disc.
As a further technical solution, a plurality of first convex teeth are arranged on the end surface of the rotating gear facing the locking gear, a first groove is formed between adjacent first convex teeth, a plurality of second convex teeth are arranged on the end surface of the fixed gear facing the locking gear, a second groove is formed between adjacent second convex teeth, a third convex tooth is arranged on the end surface of the locking gear facing the rotating gear and the fixed gear, and a third groove is formed between adjacent third convex teeth;
the first convex teeth, the second convex teeth and the third convex teeth are distributed along the circumferential direction of the transmission input shaft, and along the radial direction of the transmission input shaft, the second convex teeth are positioned at the outer sides of the first convex teeth;
the first convex tooth and the second convex tooth are matched with the third groove, and the first groove and the second groove are matched with the third convex tooth, so that the rotating gear is locked or unlocked.
As a further technical solution, the height of the first convex tooth is smaller than the height of the second convex tooth in the axial direction of the transmission input shaft.
As a further technical scheme, the fixed gear is sleeved on the rotating gear and can rotate relatively.
The utility model provides a pair of automobile, include parking mechanism.
Compared with the prior art, the utility model provides a pair of parking mechanism and car have the technical advantage do:
the utility model provides a parking mechanism, include: the transmission comprises a transmission input shaft, a driving device, a rotating gear, a fixed gear and a locking gear; the driving device, the rotating gear, the fixed gear and the locking gear are all sleeved on the transmission input shaft, the rotating gear is fixedly connected with the transmission input shaft, the fixed gear and the locking gear can rotate relative to the transmission input shaft, and the locking gear can slide along the axial direction of the transmission input shaft; the driving device is used for driving the locking gear to slide along the axial direction of the input shaft of the transmission, so that the locking gear contacts with the rotating gear and the fixed gear to lock the rotating gear, or the locking gear is separated from the rotating gear and the fixed gear to unlock the rotating gear.
The driving device, the rotating gear, the fixed gear and the locking gear are all distributed along the axial direction of the input shaft of the transmission, the structure is simpler and more compact, the number of parts is less, the occupied space is reduced, the cost is reduced, and the assembly manufacturability is better. Meanwhile, the driving device drives the locking gear to slide along the axial direction of the input shaft of the transmission, and the fixed gear is fixed, so that the locking gear can be locked when being in contact with the rotating gear and the fixed gear, and the rotating gear can be unlocked when being separated from the rotating gear and the fixed gear, and the parking stability is improved.
The utility model provides an automobile, including above-mentioned parking mechanism, from this, its technical advantage and the effect that reaches include the technical advantage and the effect that above-mentioned parking mechanism reached, do not do detailed explanation here.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of a parking mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a parking mechanism according to an embodiment of the present invention.
Icon: 1-a transmission input shaft; 2-a rotating gear; 3-fixing a gear; 4-a lock gear; 5-a torsion accumulator; 6-a drive disc; 7-a first bevel; 8-a first protrusion; 9-a second bevel; 10-a second protrusion; 11-a return spring; 12-a protective disc; 13-a first lobe; 14-a first groove; 15-a second lobe; 16-a second groove; 17-a third lobe; 18-a third groove; 19-connecting lugs; 20-connecting hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
The specific structure is shown in fig. 1 and fig. 2.
The present embodiment provides a parking mechanism including: a transmission input shaft 1, a drive device, a rotary gear 2, a fixed gear 3 and a lock gear 4;
the driving device, the rotating gear 2, the fixed gear 3 and the locking gear 4 are all sleeved on the transmission input shaft 1, the rotating gear 2 is fixedly connected with the transmission input shaft 1, the fixed gear 3 and the locking gear 4 can both rotate relative to the transmission input shaft 1, and the locking gear 4 can slide along the axial direction of the transmission input shaft 1;
the driving device is configured to drive the lock gear 4 to slide in the axial direction of the transmission input shaft 1, so that the lock gear 4 contacts the rotary gear 2 and the fixed gear 3 to lock the rotary gear 2, or the lock gear 4 is separated from the rotary gear 2 and the fixed gear 3 to unlock the rotary gear 2.
In the embodiment, the driving device is sleeved on the transmission input shaft 1, so that the transmission input shaft 1 can rotate in the driving device, the fixed gear 3 is fixed on a shell of the transmission through a bolt and is sleeved on the transmission input shaft 1, so that the transmission input shaft 1 can rotate in the fixed gear 3, the rotating gear 2 is fixedly connected with the transmission input shaft 1 through a connecting key, so that the rotating gear 2 can rotate coaxially with the transmission input shaft 1, and the locking gear 4 is rotatably connected with the transmission input shaft 1, so that the transmission input shaft 1 can rotate in the locking gear 4; the driving device, the rotating gear 2, the fixed gear 3 and the locking gear 4 are all distributed along the axial direction of the input shaft 1 of the transmission, the structure is simpler and more compact, the number of parts is less, the occupied space is reduced, the influence on a lubricating oil way is obviously reduced, the cost is reduced, and the assembly manufacturability is better. Meanwhile, the locking gear 4 is driven by the driving device to slide along the axial direction of the transmission input shaft 1, and the fixed gear 3 is fixed, so that the rotating gear 2 can be locked when the locking gear 4 is in contact with the rotating gear 2 and the fixed gear 3, and the rotating gear 2 can be unlocked when the locking gear 4 is separated from the rotating gear 2 and the fixed gear 3, and the parking stability is improved.
Preferably, a plurality of connecting lugs 19 are arranged on the fixed gear 3, connecting holes 20 are formed in the connecting lugs 19, and bolts penetrate through the connecting holes 20 to be fixed with a shell of the transmission, so that the fixing is convenient and stable.
In this embodiment, still be provided with the apron on the shell of derailleur, the derailleur output shaft sets up outside derailleur gear shaft cavity to through the apron encapsulation, so, dismouting and inspection can need not open whole derailleur, only need open the apron on the shell can, can not influence the assembled state of the inside spare part of shell.
In the optional technical scheme of this embodiment, drive arrangement mounting bracket and impeller, mounting bracket fixed connection are on the shell of derailleur, and the impeller is in mounting bracket along the axial sliding connection of derailleur input shaft 1, and the impeller is used for promoting locking gear 4 along the axial sliding of derailleur input shaft 1, simple structure, and parking is convenient.
In the optional technical scheme of this embodiment, drive arrangement rotates and connects in derailleur input shaft 1, and drive arrangement can rotate around derailleur input shaft 1 under the drive of gear shift motor, and drive arrangement can drive locking gear 4 along the axial slip of derailleur input shaft 1 through rotating. So set up, improve parking mechanism's suitability, can match most current automobile structure.
In an alternative solution of this embodiment, the driving device includes a force application component and a transmission component, the force application component is used for rotating the transmission component, and the transmission component drives the lock gear 4 to slide along the axial direction of the transmission input shaft 1 through rotation. The driving device has simple structure, convenient installation and good driving effect.
In an optional technical solution of this embodiment, the force application component includes a torsion energy accumulator 5, the transmission component includes a driving disk 6 disposed opposite to the locking gear 4, and the torsion energy accumulator 5 is fixedly connected to the driving disk 6;
a first protrusion 8 with a first inclined surface 7 is arranged on the end surface, facing the locking gear 4, of the driving disc 6, a second protrusion 10 with a second inclined surface 9 is arranged on the end surface, facing the driving disc 6, of the locking gear 4, and the first inclined surface 7 and the second inclined surface 9 are arranged oppositely and can be abutted to each other;
the drive plate 6 drives the first projection 8 and the second projection 10 to slide relative to each other by rotating relative to the lock gear 4, so that the lock gear 4 is away from the drive plate 6 in the axial direction of the transmission input shaft 1.
In this embodiment, the lateral part of first arch 8 is provided with first inclined plane 7, the lateral part of second arch 10 is provided with second inclined plane 9, shift motor can drive torsion energy storage ware 5 and rotate, because torsion energy storage ware 5 and driving-disc 6 fixed connection, torsion energy storage ware 5 drives driving-disc 6 and rotates, make first arch 8 and second arch 10 through first inclined plane 7 and second inclined plane 9 relative slip, and then make locking gear 4 keep away from driving-disc 6, locking gear 4 slides towards running gear 2 and fixed gear 3 along transmission input shaft 1 promptly, make running gear 2 locking. So set up, simple structure is compact, and occupation space is little.
In this embodiment, the first protrusion 8 and the second protrusion 10 may be both spherical, and the side portion of the first protrusion 8 and the side portion of the second protrusion 10 may be both provided with arc surfaces, as long as it is able to make the first protrusion 8 and the second protrusion 10 slide relatively when the driving disc 6 rotates, so as to force the locking gear 4 to slide toward the rotating gear 2 and the fixed gear 3.
This embodiment is preferred, first arch 8 and second arch 10 all are provided with a plurality ofly, and first arch 8 and the protruding 10 one-to-one of second, and first arch 8 and the protruding 10 of second all distribute along the circumference of derailleur input shaft 1, so, the better and stable effect of driving-disc 6 drive locking gear 4 orientation deviating from the motion of driving-disc 6 direction. Simultaneously when the unblock state, the top of first arch 8 offsets with the terminal surface of locking gear 4, and the terminal surface of second arch 10 and driving-disc 6 offsets, so, compact structure improves the utilization ratio of axial space and the distance that driving-disc 6 drive locking gear 4 moves towards deviating from driving-disc 6 direction can reach the farthest.
Further, the force application assembly further comprises a return spring 11, and the return spring 11 is arranged between the locking gear 4 and the rotating gear 2. When the locking gear 4 slides towards the rotating gear 2 and the fixed gear 3, the reset spring 11 is in a compression state, and when the torsion energy accumulator 5 drives the driving disc 6 to rotate reversely, the reset spring 11 pushes the locking gear 4 to deviate from the rotating gear 2 and the fixed gear 3 to slide and restore the original position, so that the parking is performed next time.
In this embodiment, locking gear 4 is provided with first mounting groove towards the terminal surface of rotating gear 2, and rotating gear 2 is provided with the second mounting groove towards the terminal surface of locking gear 4, and reset spring 11's one end is installed in first mounting groove, and the other end is installed in the second mounting groove, simple structure, and simple to operate, reset spring 11 is stable when being elastic movement.
In this embodiment, also can be that locking gear 4 is provided with first boss towards the terminal surface of rotating gear 2, and rotating gear 2 is provided with the second boss towards the terminal surface of locking gear 4, and reset spring 11's one end is installed on first boss, and the other end is installed on the second boss, so sets up, and reset spring 11's stability is higher, and it is more convenient to install, and reset spring 11 is more stable when being elastic movement.
Preferably, the torsion energy accumulator 5 is a torsion spring, and the structure is simple and the effect is good.
In the optional technical scheme of this embodiment, the transmission assembly further includes a driven plate, the driven plate is disposed between the driving plate 6 and the locking gear 4, a second protrusion 10 having a second inclined surface 9 is disposed on an end surface of the driven plate facing the driving plate 6, and the end surface of the driven plate facing the locking gear 4 is abutted to the locking gear 4. Through the rotation of driving-disc 6, drive the driven plate and keep away from driving-disc 6, and then make locking gear 4 along transmission input shaft 1 towards rotating gear 2 and fixed gear 3 slip, so set up, make things convenient for driven plate and locking gear 4 to maintain alone or change.
In the optional technical solution of this embodiment, the force application assembly further includes a protection disc 12, the driving disc 6 is sleeved on the torque energy accumulator 5, and the protection disc 12 is connected to an end surface of the driving disc 6 departing from the locking gear 4.
In this embodiment, the transmission input shaft 1 is located to the cover of the torque energy accumulator 5, the torque energy accumulator 5 is located to the cover of the driving disc 6, and the outer wall of the torque energy accumulator 5 is fixedly connected with the inner wall of the driving disc 6, the transmission input shaft 1 is located to the cover of the protection disc 12, and the end face of the protection disc 12 departing from the driving disc 6 abuts against the end face of the driving disc 6 departing from the locking gear 4, and the end face of the protection disc 12 departing from the driving disc 6 abuts against the cover plate. The protection dish 12 can effectively prevent driving-disc 6 wearing and tearing, and the apron has axial limiting displacement to protection dish 12 simultaneously, makes parking mechanism overall stability.
In an optional technical scheme of the embodiment, a plurality of first convex teeth 13 are arranged on an end surface of the rotating gear 2 facing the locking gear 4, a first groove 14 is formed between adjacent first convex teeth 13, a plurality of second convex teeth 15 are arranged on an end surface of the fixed gear 3 facing the locking gear 4, a second groove 16 is formed between adjacent second convex teeth 15, third convex teeth 17 are arranged on end surfaces of the locking gear 4 facing the rotating gear 2 and the fixed gear 3, and a third groove 18 is formed between adjacent third convex teeth 17;
the first convex tooth 13, the second convex tooth 15 and the third convex tooth 17 are distributed along the circumferential direction of the transmission input shaft 1, and the second convex tooth 15 is positioned at the outer side of the first convex tooth 13 along the radial direction of the transmission input shaft 1;
the first and second teeth 13 and 15 are engaged with the third groove 18, and the first and second grooves 14 and 16 are engaged with the third tooth 17, so that the rotating gear 2 is locked or unlocked.
Specifically, when the torque accumulator 5 is driven by the gear shifting motor, the torque accumulator 5 transfers the rotational driving force to the driving disk 6, the driving disk 6 rotates to force the locking gear 4 to move towards the rotating gear 2 and the fixed gear 3 through the first protrusion 8 and the second protrusion 10 until the third protrusion 17 on the locking gear 4 enters the first groove 14 on the rotating gear 2 and the second groove 16 on the fixed gear 3, and the first protrusion 13 on the rotating gear 2 and the second protrusion 15 on the fixed gear 3 enter the third groove 18 on the locking gear 4, that is, the locking gear 4 is meshed with the rotating gear 2 and the fixed gear 3 to form a lock; when the third convex tooth 17 on the locking gear 4 and the first convex tooth 13 on the rotating gear 2 are tightly pressed against each other, namely the locking gear 4 is not meshed with the rotating gear 2 and the fixed gear 3, the rotational driving force is stored in the torsional force accumulator 5, and the energy is released when the three are meshed; when the reverse rotation is input, the driving disk 6 rotates reversely, the return spring 11 pushes the locking gear 4 to move away from the rotating gear 2 and the fixed gear 3 until the third convex tooth 17 on the locking gear 4 exits the first groove 14 on the rotating gear 2 and the second groove 16 on the fixed gear 3, and the first convex tooth 13 on the rotating gear 2 and the second convex tooth 15 on the fixed gear 3 exit the third groove 18 on the locking gear 4, namely, the locking gear 4 is disengaged from the rotating gear 2 and the fixed gear 3, so that the unlocking is realized. So set up, simple structure, the locking of slewing gear 2 and unblock are convenient.
In an alternative embodiment of the present embodiment, the height of the first teeth 13 is smaller than the height of the second teeth 15 in the axial direction of the transmission input shaft 1. In this way, the third convex tooth 17 on the lock gear 4 can enter the second groove 16 on the fixed gear 3 first, so that the lock gear 4 is prevented from rotating, and meanwhile, the second groove 16 on the fixed gear 3 has a guiding function on the third convex tooth 17 on the lock gear 4, so that the third convex tooth 17 on the lock gear 4 can enter the first groove 14 on the rotary gear 2 more easily.
In an alternative solution of this embodiment, the fixed gear 3 may be located on a side of the rotating gear 2 away from the locking gear 4, and at this time, along a radial direction of the transmission input shaft 1, the second protruding tooth 15 on the fixed gear 3 is located outside the first protruding tooth 13 on the rotating gear 2, so that the third protruding tooth 17 on the locking gear 4 can enter the first groove 14 on the rotating gear 2 and the second groove 16 on the fixed gear 3, the first protruding tooth 13 on the rotating gear 2 and the second protruding tooth 15 on the fixed gear 3 enter the third groove 18 on the locking gear 4, and the locking gear 4 is meshed with the three of the rotating gear 2 and the fixed gear 3.
Preferably, the fixed gear 3 is sleeved on the rotating gear 2 and can rotate relatively. So set up, axial space occupies lessly, improves space utilization, makes things convenient for locking gear 4 and rotating gear 2 and fixed gear 3 meshing simultaneously.
The automobile provided by the embodiment comprises the parking mechanism, and therefore the technical advantages and effects achieved by the automobile comprise the technical advantages and effects achieved by the parking mechanism, and are not repeated herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A parking mechanism, comprising: a transmission input shaft (1), a drive device, a rotary gear (2), a fixed gear (3) and a lock gear (4);
the driving device, the rotating gear (2), the fixed gear (3) and the locking gear (4) are all sleeved on the transmission input shaft (1), the rotating gear (2) is fixedly connected with the transmission input shaft (1), the fixed gear (3) and the locking gear (4) are both capable of rotating relative to the transmission input shaft (1), and the locking gear (4) is capable of sliding along the axial direction of the transmission input shaft (1);
the driving device is used for driving the locking gear (4) to slide along the axial direction of the transmission input shaft (1) so that the locking gear (4) is in contact with the rotating gear (2) and the fixed gear (3) to lock the rotating gear (2) or the locking gear (4) is separated from the rotating gear (2) and the fixed gear (3) to unlock the rotating gear (2).
2. Parking mechanism according to claim 1, wherein the drive means is rotationally connected to the transmission input shaft (1) and drives the lock gear (4) to slide in the axial direction of the transmission input shaft (1) by rotating relative to the transmission input shaft (1).
3. Parking mechanism according to claim 2, wherein the drive means comprise a force application assembly for rotating the transmission assembly and a transmission assembly for driving the locking gear (4) in axial sliding movement along the transmission input shaft (1) by rotation.
4. Parking mechanism according to claim 3, wherein the force application assembly comprises a torsional force accumulator (5), the transmission assembly comprises a drive plate (6) arranged opposite the locking gear (4), the torsional force accumulator (5) is fixedly connected to the drive plate (6);
the end face of the driving disc (6) facing the locking gear (4) is provided with a first protrusion (8) with a first inclined plane (7), the end face of the locking gear (4) facing the driving disc (6) is provided with a second protrusion (10) with a second inclined plane (9), and the first inclined plane (7) and the second inclined plane (9) are oppositely arranged and can be mutually abutted;
the driving plate (6) drives the first protrusion (8) and the second protrusion (10) to slide relatively through rotating relative to the locking gear (4), so that the locking gear (4) is far away from the driving plate (6) along the axial direction of the transmission input shaft (1).
5. Parking mechanism according to claim 4, characterized in that the forcing assembly further comprises a return spring (11), the return spring (11) being arranged between the locking gear (4) and the rotating gear (2).
6. The parking mechanism according to claim 4, wherein the force application assembly further comprises a protection disc (12), the driving disc (6) is sleeved on the torsion accumulator (5), and the protection disc (12) is connected to an end face of the driving disc (6) which is far away from the locking gear (4).
7. The parking mechanism according to any one of claims 1 to 6, characterized in that a plurality of first protruding teeth (13) are provided on an end surface of the rotating gear (2) facing the locking gear (4), first grooves (14) are formed between adjacent first protruding teeth (13), a plurality of second protruding teeth (15) are provided on an end surface of the fixed gear (3) facing the locking gear (4), second grooves (16) are formed between adjacent second protruding teeth (15), third protruding teeth (17) are provided on end surfaces of the locking gear (4) facing the rotating gear (2) and the fixed gear (3), and third grooves (18) are formed between adjacent third protruding teeth (17);
the first convex teeth (13), the second convex teeth (15) and the third convex teeth (17) are distributed along the circumferential direction of the transmission input shaft (1), and the second convex teeth (15) are positioned at the outer sides of the first convex teeth (13) along the radial direction of the transmission input shaft (1);
the first and second teeth (13, 15) cooperate with the third groove (18), and the first and second grooves (14, 16) cooperate with the third tooth (17) to lock or unlock the rotary gear (2).
8. Parking mechanism according to claim 7, characterized in that the height of the first tooth (13) is smaller than the height of the second tooth (15) in the axial direction of the transmission input shaft (1).
9. Parking mechanism according to claim 7, characterized in that said fixed gear (3) is sleeved on said rotating gear (2) and can rotate relatively.
10. A vehicle comprising a parking mechanism as claimed in any one of claims 1 to 9.
CN202220881488.3U 2022-04-15 2022-04-15 Parking mechanism and car Active CN217152946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220881488.3U CN217152946U (en) 2022-04-15 2022-04-15 Parking mechanism and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220881488.3U CN217152946U (en) 2022-04-15 2022-04-15 Parking mechanism and car

Publications (1)

Publication Number Publication Date
CN217152946U true CN217152946U (en) 2022-08-09

Family

ID=82699631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220881488.3U Active CN217152946U (en) 2022-04-15 2022-04-15 Parking mechanism and car

Country Status (1)

Country Link
CN (1) CN217152946U (en)

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