CN213744873U - Parking mechanism assembly of transmission and vehicle - Google Patents

Abstract

The utility model provides a parking mechanism subassembly and vehicle of derailleur, the parking mechanism subassembly of derailleur includes: the parking gear is arranged on the shell; the parking arm can be arranged on the shell in a pivoting mode; the parking arm locking structure is suitable for unlocking or locking the parking arm; the driving structure is suitable for driving the parking arm locking structure to move so as to unlock the parking arm, and the driving structure is suitable for driving the parking arm to rotate towards the parking gear so as to enable the parking arm to be meshed with the parking gear; the return driving piece is suitable for driving the parking arm to rotate towards the direction far away from the parking gear, so that the parking arm locking structure locks the parking arm. From this, compare with prior art, when parking mechanism subassembly was in non-parking operating mode, through parking arm locking structure locking arm of parkking, can avoid the arm of parkking to collide with the parking gear to can avoid the parking gear damaged, also can improve the reliability of derailleur, and then can improve the security performance of vehicle.

Description

Parking mechanism assembly of transmission and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to parking mechanism subassembly of derailleur and have vehicle of parking mechanism subassembly of this derailleur.

Background

An automatic transmission enables easier vehicle driving by providing the automatic transmission on a vehicle, and the automatic transmission has become the mainstream direction of transmission development. A parking mechanism assembly is provided in an automatic transmission, and the parking mechanism assembly can reliably park a vehicle on a level road or a steep slope. The parking mechanism component provides hydraulic pressure through the hydraulic module to remove the parking state of the vehicle, the integration level of the parking mechanism component is high, the cost is low, the arrangement is flexible, and therefore the parking mechanism component is widely used on the vehicle.

Among the correlation technique, current parking mechanism subassembly includes parking operating mode and non-parking operating mode, travel under extremely abominable operating mode when the vehicle, and parking mechanism subassembly is in when the non-parking operating mode, the parking gear of derailleur is in high-speed rotation state, the arm of parking can not be locked to the return driving piece, the parking arm can move towards the parking gear, if the arm of parking contacts with the parking gear, the parking gear can bear great impact force, can cause the parking gear damaged, thereby cause the derailleur to damage, and then can influence passenger's life safety.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a parking mechanism subassembly of derailleur, the parking mechanism subassembly of this derailleur can avoid parking arm and parking gear to collide to can avoid the parking gear damaged, also can improve the reliability of derailleur, and then can improve the security performance of vehicle.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a park mechanism assembly for a transmission, comprising: a housing provided with a parking gear; the parking arm is pivotally arranged on the shell at one end; a parking arm locking structure adapted to unlock or lock the parking arm; a drive structure adapted to drive movement of the parking arm lock structure to unlock the parking arm, and to drive rotation of the parking arm towards a parking gear to engage the parking arm with the parking gear; the return driving piece is suitable for driving the parking arm to move away from the parking gear, so that the parking arm locking structure locks the parking arm.

In some examples of the present disclosure, the parking arm has a parking position and a non-parking position, and the parking arm locking structure unlocks the parking arm when the parking arm is in the parking position; when the parking arm is located at the non-parking position, the parking arm locking structure locks the parking arm.

In some examples of the present invention, the parking arm locking structure includes: the elastic piece is connected between the shell and the locking piece, and the elastic piece is suitable for driving the locking piece to lock the parking arm.

In some examples of the invention, the lock includes: the separation plate is arranged in the cylinder to separate the cylinder into a first groove and a second groove, and the first groove is sleeved outside the elastic part; the driving structure is suitable for being directly abutted to the partition plate to drive the locking piece to unlock the parking arm.

In some examples of the present invention, the parking arm is provided with a locking groove, and an end portion of the lock member opposite to the parking arm is configured as a locking portion adapted to be inserted into the locking groove to lock the parking arm.

In some examples of the invention, the housing defines a mounting groove with an open end, the elastic member and the locking member are both located in the mounting groove, and the elastic member is stopped between the bottom wall of the mounting groove and the bottom wall of the first groove.

In some examples of the present invention, the parking mechanism assembly of the transmission further comprises: the positioning sleeve is fixed in the mounting groove, and the locking piece is slidably arranged in the positioning sleeve.

In some examples of the invention, the drive structure comprises: the parking arm unlocking device comprises a parking push rod, a parking support and a gear shifting rotating wheel, wherein the parking support is connected between the parking push rod and the gear shifting rotating wheel, and the gear shifting rotating wheel is suitable for driving the parking support to drive the parking push rod to move so as to unlock the parking arm.

In some examples of the present invention, the peripheral wall of the shift runner is provided with a drive slide, the drive slide including a first drive slide, a second drive slide and a third drive slide, the third drive slide communicating the first drive slide and the second drive slide; in the width direction of the gear shifting rotating wheel, the first driving slide way and the second driving slide way are arranged in a staggered mode; the first driving slideway, the second driving slideway and the third driving slideway all extend along the circumferential direction of the gear shifting rotating wheel; the parking support is provided with a sliding block, and the sliding block is suitable for sliding in the driving slide way.

Compared with the prior art, the parking mechanism subassembly of derailleur have following advantage:

according to the utility model discloses a parking mechanism subassembly of derailleur, compare with prior art, when parking mechanism subassembly is in non-parking operating mode, through parking arm locking structure locking parking arm, can avoid parking arm and parking gear to hit mutually to can avoid the parking gear damaged, also can improve the reliability of derailleur, and then can improve the security performance of vehicle.

Another object of the present invention is to provide a vehicle.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a vehicle comprises the parking mechanism assembly of the transmission.

The vehicle and the parking mechanism assembly of the transmission have the same advantages compared with the prior art, and the detailed description is omitted.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

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

fig. 2 is a cross-sectional view of a parking mechanism assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a parking mechanism assembly according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating engagement between a parking arm and a parking gear according to an embodiment of the present invention;

fig. 5 is a schematic view of a parking arm locking structure and a parking arm driven by a driving structure according to an embodiment of the present invention;

fig. 6 is a schematic view of a locking member according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of a locking member according to an embodiment of the present invention;

fig. 8 is a schematic view of a parking arm according to an embodiment of the present invention.

Description of reference numerals:

a parking mechanism assembly 2;

a housing 3; a parking gear 31; a mounting groove 32; a positioning sleeve 33; the second engaging portion 34; a first sub-mounting groove 35; a second sub-mounting groove 36; a stopper 37; a connecting hole 38;

a parking arm 4; a lock groove 41; a pivot hole 42; parking arm pin 43; a first engaging portion 44; a lock member stopper 45;

a parking arm lock structure 5; an elastic member 51; a lock member 52; a partition plate 53; a first groove 54; a second groove 55; a lock portion 56;

a drive structure 6; a parking push rod 61; a parking bracket 62; a shift runner 63; a polish rod 64; a drive spring 65; a conical member 66; a connecting portion 67; a drive slide 68; a first drive slide 69; a second drive ramp 610; a third drive ramp 611; a slider 612; a boss 613;

the driver 7 is returned.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 8, a parking mechanism assembly 2 of a transmission according to an embodiment of the present invention includes: a housing 3, a parking arm 4, a parking arm locking structure 5, a drive structure 6 and a return drive 7. The housing 3 is provided with a parking gear 31, the parking gear 31 is rotatable relative to the housing 3, one end of the parking arm 4 is pivotably arranged to the housing 3, the parking arm locking structure 5 is adapted to unlock or lock the parking arm 4, the drive structure 6 is adapted to drive the parking arm locking structure 5 to move to unlock the parking arm 4, and the drive structure 6 is adapted to drive the parking arm 4 to rotate towards the parking gear 31 to engage the parking arm 4 with the parking gear 31. The return actuator 7 is adapted to drive the parking arm 4 to rotate away from the parking gear 31 so that the parking arm lock structure 5 locks the parking arm 4. It should be noted that a pivot hole 42 may be disposed at one end of the parking arm 4 connected to the housing 3, a parking arm pin 43 may pass through the pivot hole 42, and the parking arm pin 43 may be fixedly connected to the housing 3, and the parking arm 4 may rotate around the circumference of the parking arm pin 43. The parking arm 4 may be provided with a first engaging portion 44, the parking gear 31 may be provided with a second engaging portion 34, and the first engaging portion 44 and the second engaging portion 34 cooperate with each other to achieve an operational effect of engaging the parking arm 4 with the parking gear 31. Preferably, the return driving member 7 may be provided as a return spring, the return driving member 7 may be sleeved on the outer surface of the parking arm pin 43, and one end of the return driving member 7 may abut against the housing 3, and the other end may be reliably attached to the parking arm 4.

It should be noted that the transmission has a plurality of gears, and mainly includes: parking fender (P keeps off), reverse gear (R keeps off), neutral gear (N keeps off) and the fender that advances (D keeps off), wherein, when the derailleur is in reverse gear, neutral gear and the fender that advances, parking mechanism subassembly 2 is in non-parking operating mode, and when the derailleur is in parking fender, parking mechanism subassembly 2 is in parking operating mode. The parking gear 31 is in transmission connection with a gear train of the transmission, and when the gear train of the transmission rotates, the parking gear 31 can rotate along with the gear train. The parking gear 31 is in a rotating state when the transmission is in reverse and forward, the parking gear 31 is in a rotating state if the vehicle is still in motion when the transmission is in neutral, the parking gear 31 is in a stationary state if the vehicle is stationary, and the parking gear 31 is in a stationary state when the transmission is in parking.

When the parking gear 31 is in a static state or a low rotation speed state, the transmission can be switched from a neutral position to a parking position, the parking mechanism assembly 2 can be switched from a non-parking operating condition to a parking operating condition, as shown in fig. 1, the parking arm 4 rotates clockwise along the circumferential direction of the parking arm pin shaft 43, the first engaging portion 44 abuts against the second engaging portion 34, the parking arm 4 can be engaged with the parking gear 31, the parking arm 4 can limit the rotation of the parking gear 31, so that the gear train rotation of the transmission can be limited, and the vehicle can be reliably parked on a flat road or a steep slope. When the transmission is switched from the parking position to the neutral position, the parking mechanism assembly 2 may be switched from the parking position to the non-parking position, as shown in fig. 1, by rotating the parking arm 4 counterclockwise along the circumferential direction of the parking arm pin 43, the first engaging portion 44 is disengaged from the second engaging portion 34, the parking arm 4 is no longer engaged with the parking gear 31, the parking gear 31 may be rotated, and the vehicle may run normally. When parking mechanism subassembly 2 switches to non-parking operating mode from the parking operating mode, return driving piece 7 can drive arm 4 anticlockwise rotation of parkking, thereby make first meshing portion 44 keep away from parking gear 31, when parking arm 4 anticlockwise rotation, arm 4 is parked in the locking of parking arm locking structure 5, when the derailleur is not in the fender of parkking, arm 4 rotation can be stopped in the restriction of arm locking structure 5 to parking, parking arm 4 can not rotate towards parking gear 31, thereby can avoid arm 4 and parking gear 31 to collide with, parking gear 31 can not be damaged, the reliability of derailleur is higher, and then can improve the security performance of vehicle.

From this, through parking arm 4, parking arm locking structure 5, drive structure 6 and the cooperation of return driving piece 7, compare with prior art, when parking mechanism subassembly 2 is in the non-parking operating mode, through 5 locking parking arms 4 of parking arm locking structure, can avoid parking arm 4 and parking gear 31 to collide with, thereby can avoid parking gear 31 damaged, also can improve the reliability of derailleur, and then can improve the security performance of vehicle.

The utility model discloses an in some embodiments, parking arm 4 can have parking position and non-parking position, and when parking arm 4 was located the parking position, parking arm locking structure 5 can unblock parking arm 4, and when parking arm 4 was located non-parking position, parking arm locking structure 5 can lock parking arm 4. When the transmission is switched from the neutral gear to the parking gear, the driving structure 6 drives the parking arm locking structure 5 to move so as to unlock the parking arm 4, and the driving structure 6 can drive the parking arm 4 to rotate towards the parking gear 31, the parking arm 4 can rotate from the non-parking position to the parking position, and the parking arm 4 can limit the rotation of the parking gear 31 at the parking position, specifically, as shown in fig. 2, the driving structure 6 can drive the parking arm locking structure 5 to move towards the left direction so as to unlock the parking arm 4, and the driving structure 6 can further move towards the left direction so as to drive the parking arm 4 to rotate towards the parking gear 31. When the transmission is switched from the parking gear to the neutral gear, the return driving part 7 may drive the parking arm 4 to rotate away from the parking gear 31, the parking arm 4 may rotate from the parking position to the non-parking position, the parking arm locking structure 5 is adapted to lock the parking arm 4 at the non-parking position, the parking arm 4 may not limit the rotation of the parking gear 31 at the non-parking position, specifically, as shown in fig. 2, the driving structure 6 moves to the right, the driving structure 6 does not limit the parking arm locking structure 5, the parking arm 4 rotates away from the parking gear 31, and the parking arm locking structure 5 moves to the right to lock the parking arm 4.

In some embodiments of the present invention, as shown in fig. 2, 3, 5-7, the parking arm locking structure 5 may include: an elastic member 51 and a lock member 52, the elastic member 51 being connected between the housing 3 and the lock member 52, the elastic member 51 being adapted to drive the lock member 52 to lock the parking arm 4. Preferably, the elastic member 51 may be configured as a coil spring, and the elastic member 51 may be compressed by the locking member 52, and the elastic member 51 may generate an elastic force in a reverse direction in a compression direction of the elastic member 51, as shown in fig. 2, the locking member 52 compresses the elastic member 51 in a left direction, and the elastic force is in a right direction, and the elastic force may drive the locking member 52 to move to the right, so that the parking arm locking structure 5 locks the parking arm 4. As shown in fig. 2, when the locking member 52 is required to unlock the parking arm 4, the driving mechanism 6 drives the locking member 52 to move leftward to compress the elastic member 51, so that the locking member 52 is separated from the parking arm 4, and the parking arm 4 is unlocked.

In some embodiments of the present invention, as shown in fig. 2, 3, 5-7, the locking member 52 may include: the partition plate 53 and a cylinder with two open ends, the partition plate 53 can be disposed in the cylinder to divide the cylinder into a first groove 54 and a second groove 55, the first groove 54 is sleeved outside the elastic member 51, and the driving structure 6 is adapted to abut against the partition plate 53 to drive the locking member 52 to unlock the parking arm 4. The first groove 54 and the second groove 55 may extend in the thickness direction of the parking mechanism unit 2, and the thickness direction of the parking mechanism unit 2 is the left-right direction in fig. 2. The first groove 54 is disposed outside the elastic member 51, so as to prevent the elastic member 51 from separating from the locking member 52, thereby improving the working stability of the parking mechanism assembly 2. Through the stopping of the driving structure 6 and the partition plate 53, the driving structure 6 can drive the locking piece 52 to move towards the direction far away from the parking arm 4, so that the working effect of unlocking the parking arm 4 is realized.

In some embodiments of the present invention, as shown in fig. 8, the parking arm 4 may be provided with a locking groove 41, and an end portion of the locking member 52 opposite to the parking arm 4 may be configured as a locking portion 56, and the locking portion 56 is adapted to be inserted into the locking groove 41 to lock the parking arm 4. Here, the locking portion 56 may be configured in a circular ring structure in the circumferential direction of the locking member 52, and when the locking portion 56 is inserted into the locking groove 41, the outer wall of the locking portion 56 may abut against the inner wall of the locking groove 41, thereby restricting the rotation of the parking arm 4. It should be noted that, the parking arm 4 may further include a lock member limiting portion 45, and when the parking arm 4 is locked by the parking arm locking structure 5, the lock member 56 may be abutted to the lock member limiting portion 45 and then inserted into the lock groove 41, so as to improve the working stability of the parking mechanism assembly 2.

In some embodiments of the present invention, as shown in fig. 2 and 3, the housing 3 may define a mounting groove 32 with an open end, the elastic member 51 and the locking member 52 are both located in the mounting groove 32, and the elastic member 51 is stopped between the bottom wall of the mounting groove 32 and the bottom wall of the first groove 54. Wherein, mounting groove 32 may include: first sub-mounting groove 35 and second sub-mounting groove 36, the cross-section of first sub-mounting groove 35 and second sub-mounting groove 36 can be set to circular, and the cross-sectional diameter size of first sub-mounting groove 35 is greater than the cross-sectional diameter size of second sub-mounting groove 36, as shown in fig. 2, the open end of mounting groove 32 faces the right direction, first sub-mounting groove 35 is set on the right side of mounting groove 32, second sub-mounting groove 36 is set on the left side of mounting groove 32, a part of structure of elastic member 51 can be set in second sub-mounting groove 36, another part of structure can be set in first sub-mounting groove 35, a part of structure of lock member 52 can be set in first sub-mounting groove 35, elastic member 51 and lock member 52 can both move in mounting groove 32. The mounting groove 32 and the end opposite to the parking arm 4 can be provided with a limiting portion 37, the limiting portion 37 can be arranged in the thickness direction of the transmission in an extending mode, the limiting portion 37 can abut against the circumferential side wall of the parking arm 4, when the parking arm 4 is far away from the parking gear 31 to rotate, the limiting portion 37 can avoid the parking mechanism component 2 from being out of work due to the fact that the rotation angle of the parking arm 4 is too large, and therefore the working stability of the parking mechanism component 2 can be further improved.

In some embodiments of the present invention, as shown in fig. 2-5, the parking mechanism assembly 2 may further include: and a positioning sleeve 33, wherein the positioning sleeve 33 can be fixed in the installation groove 32, and the locking member 52 can be slidably arranged in the positioning sleeve 33. The positioning sleeve 33 may define a through hole extending in an axial direction of the positioning sleeve 33, and the locking member 52 may move in the through hole, where it should be noted that the axial direction of the positioning sleeve 33 refers to a left-right direction in fig. 2. Specifically, position sleeve 33 can set up in first sub-mounting groove 35, and the internal surface of first sub-mounting groove 35 can be laminated to the surface of position sleeve 33, and position sleeve 33 can link together with mounting groove 32 reliably, and position sleeve 33 can play the effect of direction when locking piece 52 removes to it is more accurate to make locking portion 56 be connected with locking groove 41, and then can improve the product quality of derailleur, also can reduce the noise when the derailleur shifts.

In some embodiments of the present invention, as shown in fig. 1-5, the driving structure 6 may include: the parking device comprises a parking push rod 61, a parking support 62 and a shifting rotating wheel 63, wherein the parking support 62 is connected between the parking push rod 61 and the shifting rotating wheel 63, and the shifting rotating wheel 63 is suitable for driving the parking support 62 to drive the parking push rod 61 to move so as to unlock the parking arm 4. The parking push rod 61 comprises a polish rod 64, a driving spring 65 and a conical piece 66, the outer surface of the polish rod 64 is smooth and flat, the driving spring 65 can be sleeved on the outer surface of the polish rod 64, one end of the driving spring 65 is abutted against the conical piece 66, the other end of the driving spring 65 is abutted against a convex part 613 on the polish rod 64, the conical piece 66 moves along the axial direction of the polish rod 64, the conical piece 66 can compress the driving spring 65, and the axial direction of the polish rod 64 refers to the left-right direction in fig. 2. By providing the driving spring 65 in the parking push rod 61, when the driving structure 6 drives the parking arm locking structure 5 to unlock the parking arm 4, the parking push rod 61 can firstly compress the locking member 52, and then the cone member 66 drives the parking arm 4 to rotate. The other end of the polish rod 64 may be fixedly connected to the parking bracket 62, and the parking bracket 62 may drive the parking push rod 61 to move when the parking bracket 62 moves. In the direction from one end of the cone 66 far away from the parking arm locking structure 5 to the other end close to the parking arm locking structure 5, the cross-sectional area of the cone 66 is gradually reduced, the parking arm 4 can be abutted against the outer surface of the cone 66, and when the cone 66 moves towards the parking arm locking structure 5, the cone 66 can drive the parking arm 4 to rotate towards the parking gear 31, and the parking gear 31 is locked. When the cone 66 is moved away from the parking arm lock 5, the return actuator 7 may drive the parking arm 4 to rotate away from the parking gear 31, and the parking gear 31 is unlocked. The parking support 62 may be provided with a connecting portion 67, the housing 3 may be provided with a connecting hole 38 engaged with the connecting portion 67, and the connecting portion 67 may move in the thickness direction of the transmission within the connecting hole 38, so as to achieve an operation effect that the parking support 62 drives the parking push rod 61 to move in the thickness direction of the transmission.

In some embodiments of the present invention, as shown in fig. 1 and 2, the peripheral wall of the shift wheel 63 may be provided with a driving slide 68, the driving slide 68 may include a first driving slide 69, a second driving slide 610 and a third driving slide 611, and the third driving slide 611 may communicate the first driving slide 69 and the second driving slide 610. In the width direction of the shift wheel 63, the first drive slideway 69 and the second drive slideway 610 are arranged in a staggered manner, the first drive slideway 69, the second drive slideway 610 and the third drive slideway 611 all extend circumferentially along the shift wheel 63, and the parking bracket 62 may be provided with a slider 612, the slider 612 being adapted to slide within the drive slideway 68. It should be noted that the width direction of the shift runner 63 refers to the left-right direction in fig. 2, the first driving slideway 69 and the second driving slideway 610 are arranged in parallel at intervals in the width direction of the shift runner 63, the slider 612 can abut against both side walls of the first driving slideway 69, the slider 612 can abut against both side walls of the second driving slideway 610, and the slider 612 can abut against both side walls of the third driving slideway 611, so that the parking arm 4 can be ensured to be more smoothly locked with the parking gear 31, noise of the transmission can be reduced, and complaints of users can be avoided. Specifically, as shown in fig. 2, the first drive ramp 69 may be disposed to the right of the second drive ramp 610, the parking mechanism assembly 2 may be in the non-parking operating condition when the slider 612 slides within the first drive ramp 69, the parking mechanism assembly 2 may be in the parking operating condition when the slider 612 slides within the second drive ramp 610, the parking mechanism assembly 2 may be transitioned from the non-parking operating condition to the parking operating condition when the slider 612 slides from the first drive ramp 69 through the third drive ramp 611 into the second drive ramp 610, and the parking mechanism assembly 2 may be transitioned from the parking operating condition to the non-parking operating condition when the slider 612 slides from the second drive ramp 610 through the third drive ramp 611 into the first drive ramp 69.

The utility model discloses an in some embodiments, casing 3 is provided with the flange, and the flange setting is in keeping away from parking gear 31 one side of parking arm 4, and when parking arm 4 rotated to preset position towards keeping away from parking gear 31 direction, the flange can backstop parking arm 4 to can avoid parking arm 4 to continue to rotate.

According to the utility model discloses vehicle, including the parking mechanism subassembly 2 of above-mentioned embodiment, parking mechanism subassembly 2 sets up on the derailleur, compares with prior art, when parking mechanism subassembly 2 is in non-parking operating mode, through 5 locking parking arms 4 of parking arm locking structure, can avoid parking arms 4 and parking gear 31 to collide with each other to can avoid parking gear 31 damaged, also can improve the reliability of derailleur, and then can improve the security performance of vehicle.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A parking mechanism assembly (2) of a transmission, comprising:

a housing (3), the housing (3) being provided with a parking gear (31);

the parking arm (4), one end of the parking arm (4) can be arranged on the shell (3) in a pivoting way;

a parking arm locking structure (5), the parking arm locking structure (5) being adapted to unlock or lock the parking arm (4);

a drive structure (6), the drive structure (6) being adapted to drive the parking arm locking structure (5) in motion to unlock the parking arm (4), and the drive structure (6) being adapted to drive the parking arm (4) in rotation towards a parking gear (31) to engage the parking arm (4) with the parking gear (31);

the parking arm locking structure comprises a return driving piece (7), wherein the return driving piece (7) is suitable for driving the parking arm (4) to rotate towards the direction away from the parking gear (31) so as to enable the parking arm locking structure (5) to lock the parking arm (4).

2. Parking mechanism assembly (2) of a transmission according to claim 1, wherein the parking arm (4) has a parking position and a non-parking position, the parking arm locking structure (5) unlocking the parking arm (4) when the parking arm (4) is in the parking position;

when the parking arm (4) is located at the non-parking position, the parking arm locking structure (5) locks the parking arm (4).

3. Parking mechanism assembly (2) of a transmission according to claim 1, characterized in that the parking arm locking structure (5) comprises: an elastic member (51) and a lock member (52), the elastic member (51) being connected between the housing (3) and the lock member (52), the elastic member (51) being adapted to drive the lock member (52) to lock the parking arm (4).

4. Parking mechanism assembly (2) of a transmission according to claim 3, characterized in that said blocking member (52) comprises: the separating plate (53) is arranged in the cylinder to separate the cylinder into a first groove (54) and a second groove (55), and the first groove (54) is sleeved outside the elastic piece (51);

the driving structure (6) is suitable for stopping against the separation plate (53) to drive the locking piece (52) to unlock the parking arm (4).

5. Parking mechanism assembly (2) of a transmission according to claim 3, characterized in that the parking arm (4) is provided with a locking groove (41), the end of the locking piece (52) opposite to the parking arm (4) being configured as a locking portion (56), the locking portion (56) being adapted to be inserted into the locking groove (41) to lock the parking arm (4).

6. Parking mechanism assembly (2) according to claim 4, characterized in that said housing (3) defines a mounting slot (32) open at one end, said elastic element (51) and said blocking element (52) being located inside said mounting slot (32), said elastic element (51) being stopped between the bottom wall of said mounting slot (32) and the bottom wall of said first slot (54).

7. Parking mechanism assembly (2) of a transmission according to claim 6, further comprising: the positioning sleeve (33), positioning sleeve (33) is fixed in mounting groove (32), and locking piece (52) are located slidable in positioning sleeve (33).

8. Parking mechanism assembly (2) of a transmission according to claim 1, characterized in that said drive structure (6) comprises: the parking device comprises a parking push rod (61), a parking support (62) and a shifting rotating wheel (63), wherein the parking support (62) is connected between the parking push rod (61) and the shifting rotating wheel (63), and the shifting rotating wheel (63) is suitable for driving the parking support (62) to drive the parking push rod (61) to move so as to unlock the parking arm (4).

9. Parking mechanism assembly (2) of a transmission according to claim 8, characterized in that the peripheral wall of the shift wheel (63) is provided with drive ramps (68), said drive ramps (68) comprising a first drive ramp (69), a second drive ramp (610) and a third drive ramp (611), said third drive ramp (611) communicating said first drive ramp (69) and said second drive ramp (610);

the first drive slideway (69) and the second drive slideway (610) are arranged in a staggered manner in the width direction of the shift runner (63);

the first drive ramp (69), the second drive ramp (610) and the third drive ramp (611) each extend circumferentially along the shift runner (63);

the parking support (62) is provided with a slider (612), and the slider (612) is suitable for sliding in the driving slide way (68).

10. A vehicle, characterized by comprising a parking mechanism assembly (2) of a transmission according to any one of claims 1-9.

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