CN211117541U - Novel parking system - Google Patents

Abstract

The utility model discloses a novel parking system, which comprises a ratchet wheel, a pawl, a supporting block, a pushing component, a driving component and an actuator, wherein a connecting pin penetrates through one end of the pawl, the pawl is positioned between the ratchet wheel and the supporting block, and the pushing component comprises a pull rod and a conical block; the driving assembly comprises a connecting plate and a driving shaft, the other end of the driving shaft is fixedly connected with an output shaft of the actuator, one end of the pull rod, which is far away from the taper block, is rotatably connected with the connecting plate, a U-shaped limiting plate is sleeved on one end of the supporting block, the side wall of the U-shaped limiting plate is divided into three parts, namely a fitting side wall, an inclined side wall and a limiting side wall, the fitting side wall and the side wall of the supporting block are arranged in a fitting mode, the two limiting side walls are parallel. Through the arrangement, when P gear parking or P gear separation is realized, the conical block is clamped into or separated from the space between the pawl and the supporting block, the movement space of the conical block in the movement process can be limited by the limiting side wall, and then the conical block is prevented from separating from the parking system.

Description

Novel parking system

Technical Field

The utility model relates to car automatic gearbox, concretely relates to novel parking system.

Background

The parking brake has the function of locking the transmission shaft or the rear wheel when the automobile is in a parking gear, so that the vehicle is prevented from sliding, and the safety of the vehicle in a stopped state is ensured. The existing parking mechanism comprises an actuator, a pull rod, a conical block arranged at one end of the pull rod, a supporting block and a pawl and ratchet wheel assembly, wherein the conical block is clamped between a pawl and the supporting block, the pull rod is driven to push or pull the conical block to move between the supporting block and the conical block, and then the conical block forces teeth of the pawl to be clamped into or separated from tooth grooves of the ratchet wheel, so that P-gear parking or P-gear separation is realized.

When the parking system is switched at different gears, the conical block on the pull rod can move in space, and further the movement of the conical block needs to be limited so as to prevent the conical block from being separated from the parking system. Conventional limiting parts are mounted on the pawl or support block, which increases the size of the end face of the pawl or support block. Compared with an automatic gearbox, the reduction gearbox has the advantages that the size between the input shaft and the output shaft is more compact, and no enough space is provided for increasing the limiting function on the pawl and the supporting block.

Disclosure of Invention

The utility model aims at the problem that prior art exists, provide a novel parking system, on the basis that satisfies gearbox or reducing gear box space size, the space motion of restriction conical block.

In order to achieve the above object, the utility model adopts the following technical scheme:

a novel parking system comprises a ratchet wheel connected with an output shaft, a pawl, a supporting block, a pushing assembly, a driving assembly and an actuator, wherein one end of the pawl is meshed with or separated from the ratchet wheel, the pushing assembly is used for pushing the pawl, the driving assembly drives the pushing assembly, the actuator drives the driving assembly to operate, a connecting pin penetrates through one end, away from the pawl, meshed with the ratchet wheel, the connecting pin is arranged in a rotating mode, the pawl is located between the ratchet wheel and the supporting block, the pushing assembly comprises a pull rod and a conical block installed at one end of the pull rod, and the conical block is located between the pawl and the supporting block; the drive assembly includes connecting plate and one end and connecting plate fixed connection's drive shaft, the other one end of drive shaft with executor output shaft fixed connection, the pull rod is kept away from awl piece one end with the connecting plate rotates to be connected, the supporting shoe dorsad pawl one end cover is equipped with U type limiting plate, U type limiting plate lateral wall divide into laminating lateral wall, slope lateral wall and spacing lateral wall triplex, the laminating lateral wall with the supporting shoe lateral wall laminating sets up, two spacing lateral wall is parallel and be close to the pawl sets up, slope lateral wall slope sets up, spacing lateral wall with pass through between the laminating lateral wall the slope lateral wall is connected, the awl piece is located two between the spacing lateral wall.

According to the technical scheme, the conical block moves between the pawl and the supporting block, the actuator can drive the driving shaft to rotate in a reciprocating mode, the driving shaft drives the connecting plate to rotate in a reciprocating mode, when the connecting plate rotates towards the supporting block, the connecting plate pushes the pull rod to move towards the supporting block, meanwhile, the pull rod pushes the conical block to move towards the supporting block, the conical block moves between the pawl and the supporting block until the conical block is clamped between the pawl and the supporting block, the pawl is forced to rotate by the supporting block and is meshed with the ratchet wheel, P-gear parking is achieved at the moment, when the conical block moves towards the supporting block, the peripheral wall of the conical block is attached to the limiting side wall and moves between the two limiting side walls, the limiting side walls guide the conical block to be clamped between the pawl and the supporting block, meanwhile, the; when P gear needs to be removed, the actuator is utilized to drive the connecting plate to rotate towards the direction opposite to the direction, the connecting plate pulls the pull rod at the moment, the pull rod pulls the conical block to be away from the supporting block, the pawl is separated from the ratchet wheel at the moment, the conical block is still located between the two limiting side walls in the process that the conical block is away from the supporting block, and the limiting side walls can limit the position of the conical block. The laminating lateral wall and the lateral wall laminating setting of supporting shoe can avoid increasing supporting shoe space occupancy, and slope lateral wall and spacing lateral wall are located between supporting shoe and the pawl, and such design saves space more, increases space utilization, and then satisfies gearbox or reducing gear box space dimension.

Further, spacing lateral wall is followed the axis direction of pull rod is the notch cuttype setting, two spacing lateral wall is kept away from distance between the connecting plate one end is less than two spacing lateral wall is close to distance between the connecting plate one end.

Through above-mentioned technical scheme, when the awl piece moves towards the supporting shoe and forces pawl and ratchet meshing, the awl piece is located between the less end of spacing lateral wall, and the awl piece is held the butt with the less distance end of spacing lateral wall, and then the guide awl piece that can be better is gone into between pawl and the supporting shoe.

Furthermore, an insertion groove is formed in the center of one end, close to the pull rod, of the conical block, a through groove communicated with the insertion groove is formed in the other end of the conical block, the shaft diameter of the insertion groove is larger than that of the pull rod, one end, close to the conical block, of the pull rod penetrates through the insertion groove and the through groove in sequence and then extends out of the conical block, a locking block is fixedly arranged outside the conical block, one end, far away from the locking block, of the pull rod is fixedly provided with a retaining ring, and a pre-tightening spring is sleeved between the retaining ring and the bottom of the insertion groove on the peripheral wall of the pull rod.

Through above-mentioned technical scheme, pretension spring butt inserting groove is close to logical groove one end, and the latch segment butt conical block one end of pretension spring dorsad this moment, and the cooperation can make the conical block position confirm between the two.

Furthermore, two clamping blocks are fixedly arranged on the peripheral wall of one end, far away from the conical block, of the pull rod in a crossed mode, a gap exists between the two clamping blocks, the gap is larger than the thickness of the connecting plate, a connecting hole for the pull rod to pass through is formed in one end of the connecting plate in a penetrating mode, a through hole for the clamping blocks to pass through is formed in the position, close to the connecting hole, of the connecting plate in a penetrating mode, and the through hole is communicated with the connecting hole.

Through the technical scheme, the clamping blocks at the end part of the pull rod and the end part of the pull rod respectively penetrate through the through holes and the connecting holes, so that the corresponding end of the connecting plate is positioned between the two clamping blocks, and the pull rod can be rotatably connected with the connecting plate.

Furthermore, the pawl with be provided with return means between the pull rod, return means is located including fixed pin and the cover of fixed setting the torsional spring on the fixed pin, torsional spring one end with keep away from on the pawl the one end lock joint of connecting pin, the other one end of torsional spring is fixed to be set up.

Through the technical scheme, when the conical block forces the pawl to be meshed with the ratchet wheel, the torsion spring provides elastic force, and when the conical block is separated from the space between the pawl and the support rod block, the torsion spring forces the pawl to be separated from the ratchet wheel.

Furthermore, the supporting block faces the pawl and is integrally provided with a convex block on one side far away from the connecting pin, one side of the pawl far away from the connecting pin and back to the ratchet wheel is provided with a fitting groove fitted with the peripheral wall of the conical block, and one end of the convex block facing the pawl is also provided with the same fitting groove facing the fitting groove.

Through above-mentioned technical scheme, when the awl piece moved to between lug and the pawl, the awl piece perisporium can with two laminating groove laminating adaptations, and then can make the area of contact increase between awl piece and lug and the pawl, and then can make the awl piece position more stable.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by arranging the limiting plate, when P-gear parking or P-gear separation is realized, the position of the conical block in the space is limited by the limiting side wall, so that the conical block cannot be separated from a parking system, meanwhile, the attaching side wall is attached and fixed on the side wall of the supporting block, and the inclined side wall and the limiting side wall are both positioned in a gap between the supporting block and the pawl, so that the space can be saved, the space utilization rate is improved, and the space size of a gearbox or a reduction gearbox is met;

2. by arranging the limiting side walls into a step shape, when P-gear parking is realized, the conical block is positioned between the end with the smaller distance between the two limiting side walls, so that the conical block can be better guided at the end of the limiting side walls to be clamped between the pawl and the convex block;

3. by arranging the fitting groove, the peripheral wall of the conical block can be fitted and adapted in the fitting groove when the conical block is clamped between the pawl and the bump, so that the contact area between the conical block and the pawl as well as between the conical block and the bump can be increased, and the position of the conical block can be more stable;

4. the clamping blocks positioned at the end part of the pull rod and the end part of the pull rod respectively penetrate through the through holes and the connecting holes, so that the connecting plate can be clamped between the two clamping blocks, and the end part of the pull rod can be rotatably connected with the connecting plate.

Drawings

Fig. 1 is a schematic structural diagram of a novel parking system of the present invention;

fig. 2 is a schematic structural diagram of a support block in the novel parking system of the present invention;

fig. 3 is a schematic structural view of a U-shaped limiting plate in the novel parking system of the present invention;

fig. 4 is a schematic structural view of a pawl in a novel parking system of the present invention;

fig. 5 is a schematic view of the internal structure of a cone block in the novel parking system of the present invention;

fig. 6 is a schematic structural view of a pull rod in a novel parking system of the present invention;

fig. 7 is a schematic structural diagram of a connecting plate in a novel parking system of the present invention;

in the figure: 1. an actuator; 2. a ratchet wheel; 3. a pawl; 4. a support block; 5. a connecting pin; 6. a fixing pin; 7. a torsion spring; 8. a bump; 9. a U-shaped limiting plate; 10. attaching the side wall; 11. an inclined side wall; 12. a limiting side wall; 13. a fixing hole; 14. perforating; 15. fixing the rod; 16. a pull rod; 17. a conical block; 18. a fitting groove; 19. inserting grooves; 20. a through groove; 21. a locking block; 22. a baffle ring; 23. pre-tightening the spring; 24. a connecting plate; 25. a drive shaft; 26. installing a sleeve; 27. a clamping block; 28. connecting holes; 29. and a through hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, a novel parking system comprises an actuator 1, a ratchet 2, a pawl 3, a supporting block 4, a pushing assembly and a driving assembly, wherein the ratchet 2 is connected in a casing (not shown in the figure) through an output shaft (not shown in the figure), one end of the pawl 3 is meshed with the ratchet 2, the other end of the pawl is provided with a connecting pin 5 in a penetrating mode, the connecting pin 5 is rotatably arranged in the casing, and the pawl 3 can be meshed and separated with the ratchet 2 by rotating around the connecting pin 5.

The position department that is close to 3 one sides of ratchet 2 dorsad of pawl in the casing is provided with return means, and return means includes fixed pin 6 and torsional spring 7, and wherein, fixed pin 6 is fixed to be set up, and 6 axes of fixed pin are parallel with 5 axes of connecting pin, and fixed pin 6 is located and is close to 3 middle section positions of pawl department, and the shortest distance between fixed pin 6 and the pawl 3 is greater than the shortest meshing distance between pawl 3 and the ratchet 2. The torsion spring 7 is sleeved on the peripheral wall of the fixed pin 6, one end of the torsion spring 7 is fixedly arranged, and the other end of the torsion spring is buckled at one end, close to the ratchet 2, of the pawl 3. In the initial state, the torsion spring 7 is in a relaxed state, and the pawl 3 is separated from the ratchet wheel 2. When an external force forces the pawl 3 into engagement with the ratchet 2, the torsion spring 7 provides a resilient force tending to force the pawl 3 away from the ratchet 2.

Referring to fig. 1 and 2, the supporting block 4 is arranged close to the ratchet 2, the pawl 3 is arranged between the supporting block 4 and the ratchet 2, the larger end surface of the supporting block 4 is parallel to the rotating plane of the pawl 3, and the supporting block 4 is arranged opposite to the pawl 3 towards one side of the pawl 3. One end of the supporting block 4, which is far away from the connecting pin 5 and faces the pawl 3, is integrally provided with a convex block 8.

U type limiting plate 9 is installed to 3 one ends of pawl of supporting shoe 4 dorsad, and the laminating of 3 one side of pawl is dorsad with supporting shoe 4 to the 9 diapire inboards of U type limiting plate, and the both sides wall of U type limiting plate 9 is equallyd divide for the three-section setting, is laminating lateral wall 10, slope lateral wall 11 and spacing lateral wall 12 respectively, and three lateral wall is end to end body coupling in proper order. Wherein, laminating lateral wall 10 sets up with the great lateral wall laminating of supporting shoe 4, and two spacing lateral walls 12 are located the both sides of the great lateral wall of supporting shoe 4 and two spacing lateral walls 12 are located between pawl 3 and supporting shoe 4 in the position in space of two spacing lateral walls 12, and two spacing lateral walls 12 are all parallel with the great lateral wall of supporting shoe 4, and two spacing lateral walls 12 are equal towards the distance between supporting shoe 4 one side and the supporting shoe 4. The both ends of slope lateral wall 11 are connected with the one end of laminating lateral wall 10 towards pawl 3 and the one end of spacing lateral wall 12 dorsad pawl 3 respectively to make slope lateral wall 11 slope setting, laminating lateral wall 10 and spacing lateral wall 12 can be connected through slope lateral wall 11. The limiting side walls 12 are arranged in a step shape along the length direction, and the distance between one ends of the two limiting side walls 12 far away from the connecting pin 5 is smaller than the distance between one ends of the two limiting side walls close to the connecting pin 5.

Referring to fig. 1 and 2, a fixing hole 13 is formed through one end of the supporting block 4, which is far away from the pawl 3, and an axis of the fixing hole 13 is perpendicular to a larger end surface of the supporting block 4. Referring to fig. 3, a through hole 14 is coaxially formed through the attaching side wall 10 and the fixing hole 13, the shaft diameter of the fixing hole 13 is equal to that of the through hole 14, a fixing rod 15 is inserted into the fixing hole 13 and the through hole 14, and the position between the U-shaped limiting plate 9 and the supporting block 4 is fixed through the fixing rod 15.

Referring to fig. 1 and 2, the pushing assembly includes a pull rod 16 and a conical block 17, wherein the pull rod 16 is a cylindrical rod, the fixing pin 6 and the torsion spring 7 are located between the pull rod 16 and the pawl 3, the conical block 17 is located between the supporting block 4 and the pawl 3 and between the two limiting side walls 12, when the pawl 3 is located at the initial position, the distance between the side of the pawl 3, which is close to one end of the ratchet 2 and faces away from the ratchet 2, and the side of the lug 8, which faces away from the supporting block 4 is smaller than the axial diameter of the conical block 17, the smaller distance between the two limiting side walls 12 is slightly larger than the axial diameter of the conical block 17, and when the conical block 17 moves towards the lug 8, the conical block 17 can force the pawl 3 to rotate, so that the pawl. The center of one end of the lug 8 facing the pawl 3 is provided with a fitting groove 18, the fitting groove 18 is an arc groove, the wall of the fitting groove is fitted with the peripheral wall of the taper block 17, and with reference to fig. 4, one side of the pawl 3, which is close to the lug 8 and faces the lug 8, is provided with a fitting groove 18 opposite to the fitting groove 18 on the lug 8. Referring to fig. 5, a cylindrical insertion groove 19 is coaxially formed in the center of one end of the conical block 17 facing the connecting pin 5, a cylindrical through groove 20 communicated with the insertion groove 19 is coaxially formed in the center of one end of the conical block 17 facing away from the insertion groove 19, one end of the pull rod 16 sequentially penetrates through the insertion groove 19 and the through groove 20 and then extends out of the conical block 17, a locking block 21 is fixedly arranged at the end of the pull rod 16, the shaft diameter of the pull rod 16 is smaller than that of the insertion groove 19, and the shaft diameter of the pull rod 16 is equal to that of the through groove 20. A stop ring 22 is coaxially and fixedly arranged at one end of the pull rod 16 far away from the locking block 21, a pre-tightening spring 23 is sleeved on the peripheral wall of the pull rod 16, and the pre-tightening spring 23 is positioned between the stop ring 22 and one end of the insertion groove 19 close to the through groove 20. The cone block 17 can be fixed at the end part of the pull rod 16 by clamping the cone block 17 through the matching of the pre-tightening spring 23 and the locking block 21, the pull rod 16 can be pushed to drive the cone block 17 to move towards the lug 8, in the moving process of the cone block 17, the cone block 17 firstly abuts against the inner wall of one end with larger distance between the two limiting side walls 12, then the cone block 17 is guided to one end with smaller distance between the two limiting side walls 12, the cone block 17 abuts against the inner wall of the other end, the end guides the cone block 17 to be clamped between the two abutting grooves 18, meanwhile, the cone block 17 forces the pawl 3 to rotate towards the ratchet 2 to enable the pawl 3 to be meshed with the ratchet 2, and when the cone block 17 is clamped between the two abutting grooves 18, the vehicle is parked; pulling the pull rod 16, the pull rod 16 pulls the two fitting grooves 18 of the conical block 17 to move to enable the conical block 17 to be fitted to the inner wall of the end with the larger distance between the two limiting side walls 12, and at the moment, the conical block is located at a non-P gear position.

Referring to fig. 1 and 7, the actuator 1 is disposed near the ratchet 2, and the driving assembly includes a connecting plate 24 and a driving shaft 25, wherein one end of the driving shaft 25 is fixedly connected to the output end of the actuator 1, the axis of the driving shaft 25 is orthogonal to the axis of the connecting pin 5, and the driving shaft 25 is near the connecting pin 5. An installation sleeve 26 is fixedly arranged at the edge of one end of the connecting plate 24, and one end, far away from the actuator 1, of the driving shaft 25 is installed in the installation sleeve 26 and penetrates through the connecting plate 24. The end of the pull rod 16 far away from the conical block 17 extends towards the connecting plate 24 and the end is rotatably connected with the connecting plate 24.

Referring to fig. 6, two clamping blocks 27 are fixedly arranged on the peripheral wall of one end of the pull rod 16, which is far away from the tapered block 17, the clamping blocks 27 are arranged in a rectangular shape, the length direction of the clamping blocks 27 is perpendicular to the larger end surface of the connecting plate 24, the two clamping blocks 27 are arranged in a staggered 180-degree manner, and a gap exists between the two clamping blocks 27 and is larger than the thickness of the connecting plate 24. A connecting hole 28 is formed in one end, far away from the conical block 17 and far away from the driving shaft 25, of the connecting plate 24, a through hole 29 is formed in the position, close to the connecting hole 28, of the connecting plate 24 in a penetrating mode, the through hole 29 is communicated with the connecting hole 28, the connecting hole 28 is a cylindrical hole, and the shaft diameter of the connecting hole is equal to that of the pull rod 16; the through hole 29 is a rectangular hole, the distance between the side walls of the through hole 29 is equal to the thickness of the fixture block 27, and the fixture block 27 can penetrate through the through hole 29. The pull rod 16 and the fixture block 27 can respectively pass through the connecting hole 28 and the through hole 29, so that the connecting plate 24 can be positioned between the two fixture blocks 27, the pull rod 16 and the connecting plate 24 can be connected in a rotating manner, and at the moment, the length direction of the pull rod 16 is orthogonal to the axis of the driving shaft 25. The actuator 1 drives the connecting plate 24 to rotate through the driving shaft 25, the connecting plate 24 pushes the pull rod 16 to move, and then the pull rod 16 can push or pull the conical block 17 to move between the limiting side walls 12.

The working principle and the effect of the technical scheme are as follows:

when the parking vehicle is parked, the actuator 1 is utilized to drive the connecting plate 24 to rotate towards the supporting block 4, the connecting plate 24 pushes the pull rod 16 to swing, the pull rod 16 pushes the conical block 17 to move towards the protruding block 8, the conical block 17 can be attached to the limiting side walls 12 in the moving process, the limiting side walls 12 limit the moving space of the conical block 17, and further the conical block 17 can not be separated from a parking system, wherein the conical block 17 sequentially passes through one end with a larger distance and one end with a smaller distance between the two limiting side walls 12 when moving towards the protruding block 8, when the conical block 17 is attached to one end with a smaller distance between the two limiting side walls 12, the position of the conical block 17 in the space is more stable, and further the conical block is more easily clamped between the pawl 3 and the protruding block 8, when the conical block 17 is clamped between the pawl 3 and the protruding block 8, the peripheral wall of the conical block 17 is attached; utilize executor 1 drive connecting plate 24 antiport, connecting plate 24 pulling pull rod 16 swings, and pull rod 16 drives awl piece 17 and keeps away from lug 8, and then awl piece 17 breaks away from laminating groove 18 and breaks away from between pawl 3 and the lug 8, and the spacing lateral wall 12 of its perisporium butt when awl piece 17 keeps away from lug 8, and the position of spacing lateral wall 12 restriction awl piece 17 prevents that awl piece 17 from breaking away from parking system. When the parking system realizes P-gear parking or non-P-gear parking, the motion space of the conical block 17 can be limited by the limiting side wall 12, and meanwhile, the attaching side walls 10 are attached to the two sides of the supporting block 4, and the inclined side walls 11 and the limiting side walls 12 are located in gaps between the supporting block 4 and the pawl 3, so that the space size of a gearbox or a reduction gearbox can be met by the scheme.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A novel parking system comprises a ratchet wheel connected with an output shaft, a pawl, a supporting block, a pushing assembly, a driving assembly and an actuator, wherein one end of the pawl is meshed with or separated from the ratchet wheel, the pushing assembly is used for pushing the pawl, the driving assembly drives the pushing assembly, the actuator drives the driving assembly to operate, a connecting pin penetrates through one end, away from the pawl, meshed with the ratchet wheel, the connecting pin is arranged in a rotating mode, the pawl is located between the ratchet wheel and the supporting block, the novel parking system is characterized in that the pushing assembly comprises a pull rod and a conical block installed at one end of the pull rod, and the conical block is located between the pawl and the supporting block; the drive assembly includes connecting plate and one end and connecting plate fixed connection's drive shaft, the other one end of drive shaft with executor output shaft fixed connection, the pull rod is kept away from awl piece one end with the connecting plate rotates to be connected, the supporting shoe dorsad pawl one end cover is equipped with U type limiting plate, U type limiting plate lateral wall divide into laminating lateral wall, slope lateral wall and spacing lateral wall triplex, the laminating lateral wall with the supporting shoe lateral wall laminating sets up, two spacing lateral wall is parallel and be close to the pawl sets up, slope lateral wall slope sets up, spacing lateral wall with pass through between the laminating lateral wall the slope lateral wall is connected, the awl piece is located two between the spacing lateral wall.

2. The novel parking system as claimed in claim 1, wherein the limiting side walls are arranged in a stepped manner along the axis direction of the pull rod, and the distance between the ends, far away from the connecting plate, of the two limiting side walls is smaller than the distance between the ends, near the connecting plate, of the two limiting side walls.

3. The novel parking system as claimed in claim 1, wherein an insertion groove is formed at a position of the conical block close to the center of one end of the pull rod, a through groove communicated with the insertion groove is formed at the other end of the conical block, the diameter of the shaft of the insertion groove is larger than that of the pull rod, a locking block is fixedly arranged after one end of the pull rod close to the conical block sequentially passes through the insertion groove and the through groove and extends out of the conical block, a retaining ring is fixedly arranged at one end of the pull rod far away from the locking block, and a pre-tightening spring is sleeved on the peripheral wall of the pull rod between the retaining ring and the bottom of the insertion groove.

4. The novel parking system as claimed in claim 1, wherein two clamping blocks are fixedly arranged on a peripheral wall of one end of the pull rod, which is far away from the conical block, in a crossed manner, a gap exists between the two clamping blocks, the gap is larger than the thickness of the connecting plate, a connecting hole for the pull rod to pass through is formed in one end of the connecting plate in a penetrating manner, a through hole for the clamping blocks to pass through is formed in the connecting plate, which is close to the connecting hole, in a penetrating manner, and the through hole is communicated with the connecting hole.

5. The novel parking system according to claim 1, wherein a return device is arranged between the pawl and the pull rod, the return device comprises a fixed pin and a torsion spring, the fixed pin is fixedly arranged, the torsion spring is sleeved on the fixed pin, one end of the torsion spring is fastened with one end of the pawl, the end is far away from the connecting pin, and the other end of the torsion spring is fixedly arranged.

6. The novel parking system as claimed in claim 5, wherein a protruding block is integrally arranged on one side of the supporting block facing the pawl and away from the connecting pin, a fitting groove fitted with the peripheral wall of the conical block is formed on one side of the pawl away from the connecting pin and away from the ratchet wheel, and the same fitting groove is formed in a position of the protruding block facing one end of the pawl and facing the fitting groove.

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