CN115649140B - Magnetic drive parking system, driving motor assembly and vehicle - Google Patents
Magnetic drive parking system, driving motor assembly and vehicle Download PDFInfo
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- CN115649140B CN115649140B CN202211378706.2A CN202211378706A CN115649140B CN 115649140 B CN115649140 B CN 115649140B CN 202211378706 A CN202211378706 A CN 202211378706A CN 115649140 B CN115649140 B CN 115649140B
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- 238000000034 method Methods 0.000 claims description 13
- 230000013011 mating Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 11
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The invention discloses a magnetic driving parking system, a driving motor assembly and a vehicle, wherein the driving motor assembly comprises a motor transmission shaft which rotates along a left-right axial line, the magnetic driving parking system comprises a base, a parking shaft, a coupling assembly and a first magnetic driving assembly, and the base is fixedly arranged relative to the motor transmission shaft; the parking axle is movably arranged on the base along the left and right directions; the coupling component comprises a coupling convex part and a matching concave part which are oppositely arranged left and right and are respectively arranged on a parking shaft and a motor transmission shaft, and the parking shaft is provided with a parking position for driving the coupling convex part to extend into the matching concave part and an unlocking position for driving the coupling convex part to be separated from the matching concave part on a movable stroke along the left and right directions; the first magnetic drive assembly is used for driving the parking axle to switch between a parking position and an unlocking position. The parking system solves the problems that the traditional parking system occupies a large installation space and is unfavorable for miniaturization of the driving motor assembly.
Description
Technical Field
The invention relates to the technical field of parking systems, in particular to a magnetic driving parking system, a driving motor assembly and a vehicle.
Background
The parking system is usually designed to be composed of a parking actuator, a transmission mechanism, a parking pawl and a parking ratchet wheel, and the parking pawl is controlled to hook the parking ratchet wheel through a mechanical transmission command of the parking actuator so as to prevent the motion of a power input shaft, so that the parking function is realized, however, the traditional parking system occupies a large installation space due to the long transmission structure and the complex structure, and is not beneficial to the compact and miniaturized design of a driving motor.
Disclosure of Invention
The invention mainly aims to provide a magnetic driving parking system, a driving motor assembly and a vehicle, and aims to solve the problem that the traditional parking system needs to occupy a large installation space and is not beneficial to miniaturization of the driving motor assembly.
In order to achieve the above object, the present invention provides a magnetic driving parking system for driving a motor assembly including a motor transmission shaft rotating along a left-right axis, the magnetic driving parking system comprising:
the base is used for being fixedly arranged relative to the motor transmission shaft;
the parking shaft is movably arranged on the base along the left and right directions;
the coupling assembly comprises a coupling convex part and a matching concave part, the coupling convex part and the matching concave part are oppositely arranged left and right and are respectively arranged on the parking shaft and the motor transmission shaft, and the parking shaft is provided with a parking position for driving the coupling convex part to extend into the matching concave part and an unlocking position for driving the coupling convex part to be separated from the matching concave part on a movable stroke along the left and right direction; the method comprises the steps of,
the first magnetic driving assembly is used for driving the parking shaft to switch between the parking position and the unlocking position.
Optionally, the first magnetic driving assembly includes a first permanent magnet and a first electromagnetic coil, which are oppositely arranged left and right, the first permanent magnet is arranged on the parking shaft, and the first electromagnetic coil is arranged on the base;
when the first electromagnetic coil is electrified with forward current, the first permanent magnet can drive the parking shaft to move to the parking position;
when the first electromagnetic coil is electrified with reverse current, the first permanent magnet can drive the parking shaft to move to the unlocking position.
Optionally, the coupling boss includes a coupling spline;
correspondingly, the mating recess comprises a splined bore.
Optionally, the base comprises a mounting block, wherein a first mounting hole penetrating left and right and a second mounting hole penetrating up and down to the first mounting hole are formed on the mounting block;
the parking shaft is adaptively arranged in the first mounting hole in a penetrating mode, two limiting grooves which are opened upwards are formed in the upper end face of the parking shaft, and the two limiting grooves are arranged at intervals along the left-right direction, so that when the parking shaft is respectively located at the parking position and the unlocking position, one limiting groove is respectively aligned to the second mounting hole;
the magnetically driven parking system further includes:
the movable limiting column is movably arranged in the second mounting hole along the up-down direction so as to have a limiting position extending into the corresponding limiting groove and a disengaging position disengaging from the corresponding limiting groove; the method comprises the steps of,
the second magnetic driving assembly is used for driving the movable limiting column to switch between the limiting position and the disengaging position.
Optionally, the second magnetic driving assembly includes a second permanent magnet and a second electromagnetic coil which are arranged in a vertically opposite manner, the second permanent magnet is arranged on the movable limiting column, and the second electromagnetic coil is arranged on the base;
when the second electromagnetic coil is electrified with forward current, the second permanent magnet can drive the movable limiting column to move to the limiting position;
when the second electromagnetic coil is electrified with reverse current, the second permanent magnet can drive the movable limiting column to move to the separation position.
Optionally, the mounting block includes:
a fixing block, wherein a containing hole which penetrates from left to right is formed in the fixing block, and the second mounting hole is formed in the fixing block; the method comprises the steps of,
the deflection block is rotationally arranged in the accommodating hole along an axis extending in the left-right direction, the first mounting hole is formed in the deflection block, a yielding hole for conducting the first mounting hole and the second mounting hole in the up-down direction is further formed in the deflection block, the yielding hole is arranged in a long shape along the circumferential direction of the deflection block, and the deflection block is provided with a balance position for driving one of limit grooves of the parking shaft to align to the second mounting hole on a rotation stroke along the axis extending in the left-right direction;
the magnetic driving parking system further comprises a reset component, wherein the reset component is used for driving the deflection block to reset to the balance position;
when the limiting column is positioned at the separation position, at least part of the limiting column is positioned in the abdication hole.
Optionally, a relief groove is formed on an inner side wall of the accommodating hole, and the relief groove is provided with two abutting side walls which are oppositely arranged along the circumferential direction of the accommodating hole;
limiting blocks are formed on the peripheral side walls of the deflection blocks corresponding to the yielding grooves, extend into the yielding grooves and are provided with two limiting side walls which are opposite to the two abutting side walls respectively;
the reset assembly comprises two reset springs, and the two reset springs are respectively abutted to the corresponding limiting side wall and the abutting side wall.
Optionally, the abdication groove, the stopper and the reset component are in one-to-one correspondence to form a movable reset group, and the movable reset group is provided with a plurality of groups and is respectively arranged at the periphery of the deflection block at intervals.
The driving motor assembly provided by the invention comprises the magnetic driving parking system.
The vehicle provided by the invention comprises the driving motor assembly.
According to the technical scheme provided by the invention, the parking shaft is driven to move relative to the motor transmission shaft along the left-right direction by the first magnetic driving assembly, so that the parking shaft can drive the coupling convex part to extend into the matching concave part, and the motor transmission shaft and the parking shaft are connected together through the coupling rotation stopping effect of the coupling convex part and the matching concave part, so that the parking effect is achieved, meanwhile, the coupling convex part is driven by the parking shaft to be separated from the matching concave part, the unlocking effect is achieved, and the device of the magnetic driving parking system is only increased by a small amount in axial movement and installation space along the motor transmission shaft as a whole, but the parking shaft is driven to move by the first magnetic driving assembly, so that the installation and the use of a long-distance transmission structure are avoided, the structure is simpler, the occupation of the space is less, and meanwhile, the radial occupation space along the motor transmission shaft is saved, so that the requirement on the installation space is greatly reduced, and the miniaturization and the light weight of the driving motor assembly are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a driving motor assembly according to an embodiment of the present invention;
fig. 2 is an exploded view of the magnetically driven parking system (excluding the mating recess) of fig. 1.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Magnetically driven parking system | 321 | Splined hole |
| 1 | Base seat | 4 | First magnetic drive assembly |
| 11 | Mounting block | 41 | First permanent magnet |
| 111 | Fixed block | 42 | First electromagnetic coil |
| 111a | Accommodating hole | 5 | Second magnetic drive assembly |
| 111b | Second mounting hole | 51 | Second permanent magnet |
| 112 | Deflection block | 52 | Second electromagnetic coil |
| 112a | Yielding hole | 6 | Movable limit column |
| 112b | First mounting hole | 7 | Reset assembly |
| 2 | Parking axle | 71 | Yield groove |
| 21 | Limiting groove | 72 | Limiting block |
| 3 | Coupling assembly | 73 | Reset spring |
| 31 | Coupling convex part | 1000 | Driving motor assembly |
| 311 | Coupling spline | 200 | Motor transmission shaft |
| 32 | Mating recess |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The parking system is usually designed with a parking actuator, a transmission mechanism, a parking pawl and a parking ratchet wheel, and the parking pawl is controlled to hook the parking ratchet wheel through a mechanical transmission command of the parking actuator to prevent the motion of a power input shaft, so that the parking function is realized, however, the traditional parking system occupies a larger installation space due to the long transmission structure and the complex structure of the device, and is not beneficial to compact and miniaturized design of a driving motor.
In view of the above, the present invention provides a magnetic driving parking system, a driving motor assembly and a vehicle, which aim to solve the problem that the conventional parking system needs to occupy a larger installation space, which is unfavorable for miniaturization of the driving motor assembly, wherein fig. 1 to 2 are schematic structural diagrams of an embodiment of the driving motor assembly provided by the present invention.
Referring to fig. 1 to 2, the magnetic driving parking system 100 is configured to drive a motor assembly 1000, where the motor assembly 1000 includes a motor transmission shaft 200 that rotates along a left-right axis, and the magnetic driving parking system 100 includes a base 1, a parking shaft 2, a coupling assembly 3, and a first magnetic driving assembly 4, and the base 1 is fixedly disposed relative to the motor transmission shaft 200; the parking shaft 2 is movably arranged on the base 1 along the left-right direction; the coupling assembly 3 comprises a coupling convex part 31 and a coupling concave part 32, the coupling convex part 31 and the coupling concave part 32 are oppositely arranged left and right and are respectively arranged on the parking shaft 2 and the motor transmission shaft 200, and the parking shaft 2 is provided with a parking position for driving the coupling convex part 31 to extend into the coupling concave part 32 and an unlocking position for driving the coupling convex part 31 to be separated from the coupling concave part 32 on a movable stroke along the left and right directions; the first magnetic drive assembly 4 is configured to drive the parking shaft 2 to switch between the parking position and the unlocking position.
In the technical scheme provided by the invention, the parking shaft 2 is driven to move relative to the motor transmission shaft 200 along the left-right direction by the first magnetic driving assembly 4, so that the parking shaft 2 can drive the coupling convex part 31 to extend into the matching concave part 32, and the motor transmission shaft 200 and the parking shaft 2 are connected together through the coupling rotation stopping effect of the coupling convex part 31 and the matching concave part 32 so as to play a role in parking, meanwhile, the coupling convex part 31 is driven by the parking shaft 2 to be separated from the matching concave part 32 so as to play a role in unlocking, and the device of the magnetic driving parking system 100 is only increased by a small amount in axial movement and installation space along the motor transmission shaft 200 as a whole, but the first magnetic driving assembly 4 magnetically drives the parking shaft 2 to move, so that the installation and the use of a long-distance transmission structure are avoided, the structure is simpler, the occupation of space is less, and meanwhile, the radial occupation space along the motor transmission shaft 200 is saved, the requirement on the installation space of the motor transmission shaft is greatly reduced, and the device of the assembly is beneficial to the miniaturization and light-weight of the motor assembly 1000.
It can be understood that the specific manner in which the first magnetic driving assembly 4 electromagnetically drives the parking shaft 2 to move is various, and in this embodiment, the first magnetic driving assembly 4 includes a first permanent magnet 41 and a first electromagnetic coil 42 that are disposed opposite to each other, where the first permanent magnet 41 is disposed on the parking shaft 2, and the first electromagnetic coil 42 is disposed on the base 1; when the first electromagnetic coil 42 is electrified with forward current, the first permanent magnet 41 can drive the parking shaft 2 to move to the parking position; when the first electromagnetic coil 42 is electrified with reverse current, the first permanent magnet 41 can drive the parking shaft 2 to move to the unlocking position. The parking shaft 2 is driven by direct positive and negative current, the driving process is more direct, and the parking and unlocking actions are quicker.
It can be understood that the coupling protrusion 31 can play a role of coupling rotation stopping after being inserted into the mating recess 32, and various combinations thereof are possible, specifically, in this embodiment, the coupling protrusion 31 includes a coupling spline 311; correspondingly, the mating recess 32 includes a splined bore 321. Through the cooperation grafting of shaft coupling spline 311 with the splined hole 321 can play stable shaft coupling and stop the commentaries on classics effect for motor drive shaft 200 with the atress of each position in the circumference of parking axle 2 is balanced, avoids the too big and the risk that takes place the structure fracture of atress.
It should be noted that, because the braking is needed to be stepped on during the parking process, and the rotation angle of the motor transmission shaft 200 is random after the braking, in the process that the first magnetic driving assembly 4 drives the parking shaft 2 to move to the motor transmission shaft 200, the mating concave portion 32 does not have to be exactly aligned to the coupling convex portion 31, similar to the pawl in the driving parking system, which is exactly abutted to the tooth tip portion of the ratchet, however, when the motor transmission shaft 200 passively rotates slightly due to the release of the braking, the mating concave portion 32 can be exactly aligned and extend into the coupling convex portion 31, so as to complete the parking.
In order to ensure that the coupling spline 311 can be smoothly inserted into the spline hole 321 without abutting against the opposite end surfaces, in this embodiment, chamfering is performed on the opposite end surfaces of the spline teeth of the coupling spline 311 and the spline hole 321 to form a guiding inclined plane, and the coupling spline 311 can be ensured to be smoothly inserted into the spline hole 321 through the guiding action of the guiding inclined plane, thereby improving the parking efficiency.
In order to keep the parking shaft 2 at a corresponding position after switching positions, in this embodiment, the base 1 includes a mounting block 11, and a first mounting hole 112b penetrating left and right and a second mounting hole 111b penetrating up and down to the first mounting hole 112b are formed in the mounting block 11; the parking shaft 2 is adapted to pass through the first mounting hole 112b, and two limiting grooves 21 with upward openings are formed on the upper end surface of the parking shaft 2, and the two limiting grooves 21 are arranged at intervals along the left-right direction, so that when the parking shaft 2 is respectively positioned at the parking position and the unlocking position, one limiting groove 21 is respectively aligned to the second mounting hole 111b; the magnetic driving parking system 100 further includes a movable limiting post 6 and a second magnetic driving assembly 5, where the movable limiting post 6 is movably disposed in the second mounting hole 111b along an up-down direction, so as to have a limiting position extending into the corresponding limiting slot 21 and a disengaging position disengaging from the corresponding limiting slot 21; the second magnetic driving assembly 5 is used for driving the movable limiting post 6 to switch between the limiting position and the disengaging position. Through two spacing settings of spacing groove 21, so that respectively have one when parking axle 2 is in respectively parking position with the unblock position spacing groove 21 counterpoint to second mounting hole 111b, rethread second magnetic drive subassembly 5 drive movable spacing post 6 inserts corresponding spacing groove 21 under the dead weight effect of movable spacing post 6, the current position of parking axle 2 is locked spacingly by stable, has ensured that the state of vehicle in the driving and parking in-process keeps, afterwards, can control first solenoid 42 with second solenoid 52 outage has avoided the unnecessary loss of vehicle electric quantity.
It can be understood that the specific forms of the second magnetic driving assembly 5 driving the movable limiting post 6 by electromagnetic force are various, specifically, in this embodiment, the second magnetic driving assembly 5 includes a second permanent magnet 51 and a second electromagnetic coil 52 that are disposed opposite to each other, the second permanent magnet 51 is disposed on the movable limiting post 6, and the second electromagnetic coil 52 is disposed on the base 1; when the second electromagnetic coil 52 is electrified with forward current, the second permanent magnet 51 can drive the movable limiting post 6 to move to the limiting position; when the second electromagnetic coil 52 is electrified with reverse current, the second permanent magnet 51 can drive the movable limiting post 6 to move to the disengaging position. The movable limiting column 6 is driven by direct positive and negative current, the driving process is more direct, and the limiting lock stop of the parking shaft 2 at different positions is more rapid.
It will be appreciated that, when the vehicle is parked on a half slope, the motor drive shaft 200 is continuously subjected to a circumferential passive rotation force, and at the same time, since the motor drive shaft 200 and the parking shaft 2 are already coupled together by the coupling assembly 3, a large positive pressure exists between the coupling protrusion 31 and the mating recess 32, and when the driver needs to release the parking, the coupling protrusion 31 is subjected to a large friction force from the mating recess 32, so as to prevent the parking shaft 2 from moving, in this embodiment, the mounting block 11 includes a fixing block 111 and a deflection block 112, the fixing block 111 is formed with a receiving hole 111a penetrating from left to right, and the second mounting hole 111b is formed in the fixing block 111; the deflection block 112 is rotatably disposed in the accommodating hole 111a along an axis extending in the left-right direction, the first mounting hole 112b is formed in the deflection block 112, a relief hole 112a for conducting the first mounting hole 112b and the second mounting hole 111b in the up-down direction is further formed in the deflection block 112, the relief hole 112a is disposed in a long shape along a circumferential direction of the deflection block 112, and on a rotation stroke along the axis extending in the left-right direction, the deflection block 112 has a balance position for driving one of the limiting grooves 21 of the parking shaft 2 to align to the second mounting hole 111b; the magnetically driven parking system 100 further comprises a reset assembly 7, wherein the reset assembly 7 is used for driving the deflection block 112 to reset to the balance position; when the movable limiting post 6 is at the disengagement position, at least part of the movable limiting post 6 is positioned in the abdication hole 112 a. When the vehicle is in the parking releasing process after the half-slope parking, the second magnetic driving assembly 5 drives the movable limiting post 6 to move to the releasing position to release the limiting locking of the parking shaft 2, at this time, the parking shaft 2 can be smoothly switched to the unlocking position under the action of the first magnetic driving assembly 4 due to the fact that the yielding hole 112a is in a long shape, so that the deflection block 112 can deflect to a certain extent, the positive pressure of the coupling convex part 31 by the matching concave part 32 is released. The first electromagnetic coil 42 is prevented from forcibly driving the parking shaft 2 to be disengaged by excessive current, and the loss of electric power is reduced.
It will be appreciated that the elongated extension of the relief hole 112a need only ensure that the deflector block 112 rotates slightly, and that the rotation should be controlled to be within ±1°.
The reset assembly 7 has various specific driving modes, specifically, in this embodiment, a relief groove 71 is formed on an inner side wall of the accommodating hole 111a, and the relief groove 71 has two abutting side walls oppositely disposed along a circumferential direction of the accommodating hole 111 a; a limiting block 72 is formed on the peripheral side wall of the deflection block 112 corresponding to the yielding groove 71, the limiting block 72 extends into the yielding groove 71, and the limiting block 72 has two limiting side walls opposite to the two abutting side walls respectively; the reset assembly 7 comprises two reset springs 73, and the two reset springs 73 are respectively abutted to the corresponding limiting side wall and the abutting side wall. The limiting block 72 extends into the yielding groove 71, and the two restoring springs 73 are used for driving and restoring, so that the restoring of the parking shaft 2 in the forward direction and the backward direction is guaranteed, the parking shaft 2 can be restored to the balance position timely after the parking start of an ascending slope or after the parking start of a descending slope, and the movable limiting column 6 can be accurately inserted into the corresponding limiting groove 21 when the parking shaft 2 is in the unlocking position.
In other embodiments, the reset assembly 7 may be reset driven by elastic rubber or like magnetic poles.
In order to alleviate the reset pressure of the two reset springs 73 in the single reset assembly 7 and ensure that the reset process is performed steadily, in this embodiment, the yielding grooves 71, the limiting blocks 72 and the reset assembly 7 form movable reset groups in a one-to-one correspondence, and the movable reset groups are provided with multiple groups and are respectively arranged at the circumference side of the deflection block 112 at intervals. By arranging the movable reset groups at intervals, the reset action pressure can be uniformly distributed, and the reset of the parking shaft 2 is faster.
In addition, the present invention further provides a driving motor assembly 1000, where the driving motor assembly 1000 includes the magnetic driving parking system 100 in the above-mentioned scheme, and it should be noted that the structure of the magnetic driving parking system 100 in the driving motor assembly 1000 may refer to the embodiment of the magnetic driving parking system 100, and will not be repeated herein; because the above-mentioned magnetic driving parking system 100 is used in the driving motor assembly 1000 provided by the present invention, embodiments of the driving motor assembly 1000 provided by the present invention include all technical solutions of all embodiments of the above-mentioned magnetic driving parking system 100, and the achieved technical effects are identical, and are not described herein again.
In addition, the present invention further provides a vehicle, which includes the driving motor assembly 1000 in the above-mentioned scheme, and it should be noted that the structure of the driving motor assembly 1000 in the vehicle may refer to the embodiment of the driving motor assembly 1000, and will not be described herein again; because the driving motor assembly 1000 is used in the vehicle provided by the invention, the embodiments of the vehicle provided by the invention comprise all the technical schemes of all the embodiments of the driving motor assembly 1000, and the achieved technical effects are identical, and are not repeated here.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (7)
1. A magnetically driven parking system for a drive motor assembly including a motor drive shaft rotating along a left-right axis, the magnetically driven parking system comprising:
the base is used for being fixedly arranged relative to the motor transmission shaft;
the parking shaft is movably arranged on the base along the left and right directions;
the coupling assembly comprises a coupling convex part and a matching concave part, the coupling convex part and the matching concave part are oppositely arranged left and right and are respectively arranged on the parking shaft and the motor transmission shaft, and the parking shaft is provided with a parking position for driving the coupling convex part to extend into the matching concave part and an unlocking position for driving the coupling convex part to be separated from the matching concave part on a movable stroke along the left and right direction; the method comprises the steps of,
a first magnetic drive assembly to drive the park axle to switch between the park position and the unlocked position;
the base comprises a mounting block, wherein a first mounting hole penetrating left and right and a second mounting hole penetrating up and down to the first mounting hole are formed in the mounting block;
the parking shaft is adaptively arranged in the first mounting hole in a penetrating mode, two limiting grooves which are opened upwards are formed in the upper end face of the parking shaft, and the two limiting grooves are arranged at intervals along the left-right direction, so that when the parking shaft is respectively located at the parking position and the unlocking position, one limiting groove is respectively aligned to the second mounting hole;
the magnetically driven parking system further includes:
the movable limiting column is movably arranged in the second mounting hole along the up-down direction so as to have a limiting position extending into the corresponding limiting groove and a disengaging position disengaging from the corresponding limiting groove; the method comprises the steps of,
the second magnetic driving assembly is used for driving the movable limiting column to switch between the limiting position and the disengaging position;
the mounting block includes:
a fixing block, wherein a containing hole which penetrates from left to right is formed in the fixing block, and the second mounting hole is formed in the fixing block; the method comprises the steps of,
the deflection block is rotationally arranged in the accommodating hole along an axis extending in the left-right direction, the first mounting hole is formed in the deflection block, a yielding hole for conducting the first mounting hole and the second mounting hole in the up-down direction is further formed in the deflection block, the yielding hole is arranged in a long shape along the circumferential direction of the deflection block, and the deflection block is provided with a balance position for driving one of limit grooves of the parking shaft to align to the second mounting hole on a rotation stroke along the axis extending in the left-right direction;
the magnetic driving parking system further comprises a reset component, wherein the reset component is used for driving the deflection block to reset to the balance position;
when the movable limiting column is positioned at the disengaging position, at least part of the movable limiting column is positioned in the yielding hole;
a yielding groove is formed on the inner side wall of the accommodating hole, and the yielding groove is provided with two abutting side walls which are oppositely arranged along the circumferential direction of the accommodating hole;
limiting blocks are formed on the peripheral side walls of the deflection blocks corresponding to the yielding grooves, extend into the yielding grooves and are provided with two limiting side walls which are opposite to the two abutting side walls respectively;
the reset assembly comprises two reset springs, and the two reset springs are respectively abutted to the corresponding limiting side wall and the abutting side wall.
2. The magnetically actuated parking system of claim 1, wherein the first magnetic drive assembly comprises a first permanent magnet and a first electromagnetic coil disposed in a side-to-side opposition, the first permanent magnet being disposed on the parking shaft, the first electromagnetic coil being disposed on the base;
when the first electromagnetic coil is electrified with forward current, the first permanent magnet can drive the parking shaft to move to the parking position;
when the first electromagnetic coil is electrified with reverse current, the first permanent magnet can drive the parking shaft to move to the unlocking position.
3. The magnetically driven parking system according to claim 1, wherein the coupling boss includes a coupling spline;
correspondingly, the mating recess comprises a splined bore.
4. The magnetically actuated parking system of claim 1, wherein the second magnetic drive assembly comprises a second permanent magnet and a second electromagnetic coil disposed in a vertically opposed relationship, the second permanent magnet being disposed on the movable stop post, the second electromagnetic coil being disposed on the base;
when the second electromagnetic coil is electrified with forward current, the second permanent magnet can drive the movable limiting column to move to the limiting position;
when the second electromagnetic coil is electrified with reverse current, the second permanent magnet can drive the movable limiting column to move to the separation position.
5. The magnetically driven parking system of claim 1, wherein the relief slot, the limiting block and the reset assembly form a movable reset group in one-to-one correspondence, and the movable reset groups are arranged in a plurality of groups and are respectively arranged at the periphery of the deflection block at intervals.
6. A drive motor assembly comprising a magnetically driven park system as claimed in any one of claims 1 to 5.
7. A vehicle comprising the drive motor assembly of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211378706.2A CN115649140B (en) | 2022-11-04 | 2022-11-04 | Magnetic drive parking system, driving motor assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211378706.2A CN115649140B (en) | 2022-11-04 | 2022-11-04 | Magnetic drive parking system, driving motor assembly and vehicle |
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| CN115649140A CN115649140A (en) | 2023-01-31 |
| CN115649140B true CN115649140B (en) | 2024-03-22 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017123076A1 (en) * | 2017-10-05 | 2019-04-11 | Schaeffler Technologies AG & Co. KG | Parking lock and method for its control |
| CN217603329U (en) * | 2022-06-23 | 2022-10-18 | 奇瑞汽车股份有限公司 | Novel parking locking mechanism |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017123076A1 (en) * | 2017-10-05 | 2019-04-11 | Schaeffler Technologies AG & Co. KG | Parking lock and method for its control |
| CN217603329U (en) * | 2022-06-23 | 2022-10-18 | 奇瑞汽车股份有限公司 | Novel parking locking mechanism |
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| CN115649140A (en) | 2023-01-31 |
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