CN110486464B - Automatic derailleur's parking integration mechanism of shifting - Google Patents
Automatic derailleur's parking integration mechanism of shifting Download PDFInfo
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- CN110486464B CN110486464B CN201910826757.9A CN201910826757A CN110486464B CN 110486464 B CN110486464 B CN 110486464B CN 201910826757 A CN201910826757 A CN 201910826757A CN 110486464 B CN110486464 B CN 110486464B
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- joint
- gear
- shifting
- output shaft
- parking
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 230000010354 integration Effects 0.000 title claims description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000009471 action Effects 0.000 abstract description 34
- 230000007935 neutral effect Effects 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000005461 lubrication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3408—Locking or disabling mechanisms the locking mechanism being moved by the final actuating mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
- F16H2063/3063—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force using screw devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3093—Final output elements, i.e. the final elements to establish gear ratio, e.g. dog clutches or other means establishing coupling to shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3093—Final output elements, i.e. the final elements to establish gear ratio, e.g. dog clutches or other means establishing coupling to shaft
- F16H2063/3096—Sliding keys as final output elements; Details thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a gear-shifting and parking integrated mechanism of an automatic transmission, which comprises a motor, a shifting fork, a joint sleeve, an output shaft and a transmission mechanism, wherein the motor is fixedly connected with the shifting fork through a transmission part, the shifting fork is detachably connected on the joint sleeve and drives the joint sleeve to move up and down, a gear hub is sleeved on the output shaft, a spline hub is sleeved outside the gear hub, the joint sleeve is detachably installed on the spline hub, the transmission mechanism is sleeved on the output shaft and is positioned above the joint sleeve, second joint teeth are arranged below the joint sleeve, a base is arranged at the bottom of the output shaft, the output shaft is sleeved in the base through a bearing, and the second joint teeth are connected with the; the gear-shifting and parking integrated mechanism of the automatic transmission disclosed by the invention can simultaneously complete three actions of gear shifting, neutral gear and parking by sharing one motor, has the advantages of simple structure, small occupied space and low cost, can quickly and conveniently complete gear-shifting and parking actions, can improve the gear-shifting and parking efficiency, and ensures the driving stability and safety of an automobile.
Description
Technical Field
The invention relates to the technical field of automatic transmissions, in particular to a gear-shifting and parking integrated mechanism of an automatic transmission.
Background
In the prior art, gear shifting is performed by driving a gear shifting fork to act on a gear sleeve through a gear shifting motor, parking is performed by driving a pawl and a ratchet wheel to act through a parking motor, so that the gear shifting and parking effects can be achieved, two motors are required to work in the action process, smooth parking is performed within a certain vehicle speed during parking, some impact can be generated in the parking process, the pawl can occupy a certain position in a gearbox, the size of the gearbox shell can be increased, meanwhile, the placement position of the parking motor is also considered at the outer end of the gearbox, interference with other parts in the assembly process is avoided, the gear shifting mechanism and the parking mechanism are complex in structure, large in occupied space and high in cost, the gear shifting and parking effects are poor in the gear shifting and parking processes, the gear shifting and parking efficiencies are reduced, and the driving comfort of a driver is reduced, meanwhile, the gear shifting and parking integrated mechanism of the automatic transmission is not beneficial to ensuring the driving stability of the automobile, so that the gear shifting and parking integrated mechanism of the automatic transmission is urgently needed, has a simple structure and low cost, and can quickly and conveniently complete gear shifting and parking actions.
Disclosure of Invention
The invention aims to provide a gear-shifting and parking integrated mechanism of an automatic transmission, which aims to solve the problems in the prior art, can simultaneously complete three actions of gear shifting, neutral gear and parking by sharing one motor, has the advantages of simple structure, small occupied space and low cost, can quickly and conveniently complete the gear-shifting and parking actions, can improve the gear-shifting and parking efficiency, improves the driving comfort of a driver, and ensures the driving stability and safety of an automobile.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a gear-shifting and parking integrated mechanism of an automatic transmission, which is characterized in that: including motor, shift fork, clutch collar, output shaft and drive mechanism, the motor can be dismantled through transmission portion and be connected with the shift fork, the shift fork can be dismantled and connect on the clutch collar, the shift fork drives the clutch collar and reciprocates, the tooth hub has been cup jointed on the output shaft, the external spline hub that has cup jointed of tooth hub, demountable installation has the clutch collar on the spline hub, drive mechanism has been cup jointed on the output shaft, drive mechanism is located the clutch collar top, the clutch collar below is provided with second joint tooth, the output shaft bottom is provided with the base, the output shaft cup joints in the base through the bearing, second joint tooth can be dismantled with the base and be connected.
Preferably, a plurality of internal splines are circumferentially installed on the inner wall of the bottom of the joint sleeve, and a plurality of external splines are circumferentially arranged on the outer periphery of the second joint tooth.
Preferably, the end parts of the internal spline and the external spline are in a conical structure.
Preferably, the bottom of the external spline is symmetrically provided with second projections, and the upper surfaces of the second projections are inclined planes or inclined conical surfaces.
Preferably, a plurality of first protruding blocks are arranged in the second joint teeth in the circumferential direction, a gasket is detachably mounted at the top of the second joint teeth, a base is sleeved in the second joint teeth, a plurality of first grooves are formed in the base, and the first protruding blocks are matched with the first grooves.
Preferably, a plurality of fasteners are fixedly mounted on the gasket, and the fasteners are matched with the first grooves.
Preferably, elastic pieces are symmetrically arranged in the first groove, and the elastic pieces are conical spiral springs.
Preferably, the inner diameter of the bottom of the coupling sleeve is not smaller than the inner diameter of the top.
Preferably, the transmission mechanism includes a helical gear and a first engaging tooth, the helical gear and the first engaging tooth being fitted on the output shaft, the helical gear being located above the first engaging tooth, and the first engaging tooth being located above the engaging sleeve.
Preferably, the transmission part is a ball screw, and a shifting fork is fixedly connected to the ball screw.
The invention discloses the following technical effects: the gear-shifting and parking integrated mechanism of the automatic transmission disclosed by the invention has the advantages that the motor is started, the motor drives the ball screw to convert the spiral motion into the linear motion, the shifting fork drives the engaging sleeve to move up and down, when the shifting fork drives the engaging sleeve to move up, the engaging sleeve is matched with the transmission mechanism, the transmission mechanism drives the output shaft and the input shaft to act to transmit power, and further the gear-shifting action is completed, when the shifting fork drives the engaging sleeve to move down, the engaging sleeve is engaged with the second engaging tooth to complete the parking action, so that the gear-shifting and parking actions are completed by sharing one motor, and the second engaging tooth is arranged on the base, so that the space on the output shaft is saved, the utilization rate of the output shaft can be fully improved, and the gear-shifting and parking mechanism has a compact structure, the length of the output, more functions can be realized, the manufacturing cost is saved, the driving comfort of a driver is improved, the output shaft is compact in structure, the availability of the output shaft is increased, the plasticity of the output shaft is increased, and the functionality of the automatic gearbox is improved. Through the technical scheme, the gear shifting efficiency and the parking efficiency can be improved, and the driving stability and safety of the automobile are guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a gear shifting and parking integrated mechanism in the invention;
FIG. 2 is a schematic view of the transmission mechanism and the mounting structure for mounting the adapter sleeve component according to the present invention;
FIG. 3 is a schematic view of the structure of the adapter sleeve of the present invention;
FIG. 4 is a schematic view of the structural connection of the washer, the second engaging tooth and the base of the present invention;
FIG. 5 is a schematic view of the structural connection between the second engagement tooth and the base of the present invention;
FIG. 6 is a schematic view of the structure of the gasket of the present invention;
FIG. 7 is a front view of the external spline of the present invention;
wherein, 1, a motor; 2-ball screw; 3, shifting a fork; 4-an output shaft; 5-a bevel gear; 6-a first engaging tooth; 7-a coupling sleeve; 8-gear hub; 9-a splined hub; 10-a bearing; 11-a second engagement tooth; 12-a gasket; 13-a base; 14-a fastener; 15-internal splines; 16-external splines; 17-a first bump; 18-a first groove; 19-an elastic member; 20-a second bump; 21-a second groove; 22-lubricating block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-7, the invention provides a gear-shifting and parking integrated mechanism of an automatic transmission, which comprises a motor 1, a shifting fork 3, a joint sleeve 7, an output shaft 4 and a transmission mechanism, wherein the motor 1 is detachably connected with the shifting fork 3 through a transmission part, and the shifting fork 3 can be sleeved on the transmission part, so that the replacement and the maintenance of parts are facilitated; meanwhile, the transmission part adopts the ball screw 2, and the screw motion is converted into linear motion through the ball screw 2, so that the shifting fork 3 can better drive the joint sleeve 7 to complete the gear shifting and parking of the vehicle; the shifting fork 3 is detachably connected to the joint sleeve 7, in order to enable the shifting fork 3 to drive the joint sleeve 7 to move up and down, the shifting fork 3 cannot be separated from the joint sleeve 7, a ring groove (not shown in the figure) can be formed in the joint sleeve 7, the shifting fork 3 is connected in the ring groove in a sliding mode, in order to reduce the abrasion degree between the joint sleeve 7 and the shifting fork 3, a rubber sleeve (not shown in the figure) can be sleeved on the shifting fork 3, and when the rubber sleeve is seriously abraded, the rubber sleeve can be replaced at any time; the shift fork 3 drives the clutch collar 7 and reciprocates, the tooth hub 8 has been cup jointed on the output shaft 4, the tooth hub 8 overcoat has cup jointed the spline hub 9, demountable installation has clutch collar 7 on the spline hub 9, the drive mechanism has been cup jointed on the output shaft 4, drive mechanism is located clutch collar 7 top, clutch collar 7 below is provided with second joint tooth 11, output shaft 4 bottom is provided with base 13, output shaft 4 cup joints in base 13 through bearing 10, second joint tooth 11 can dismantle with base 13 and be connected.
The scheme is further optimized, so that the parking action of the automatic transmission is smoother, quicker and more convenient, and the parking efficiency is further improved; a plurality of internal spline 15 is installed to circumference on the inner wall of clutch collar 7 bottom 11 external periphery is provided with a plurality of external spline 16, and the interval between adjacent internal spline 15 is not less than external spline 16's width simultaneously, the internal spline 15 of being convenient for like this and external spline 16's joint, when automatic gearbox carries out the parking action, shift fork 3 drives clutch collar 7 downstream, and like this the internal spline 15 in clutch collar 7 inserts to the external spline 16 of adjacent second clutch collar 11 within a definite time and has just accomplished the parking action, so not only can improve parking efficiency, make the parking action more smooth simultaneously. In order to make the internal spline 15 and the external spline 16 more convenient and smooth of pegging graft, set up the tip of internal spline 15 and external spline 16 into the toper structure, in order to reduce the degree of wear between internal spline 15 and external spline 16, can set up the tip of internal spline 15 and external spline 16 into the conical structure, there is certain radian in its tip like this, not only can be fast convenient completion joint action, and then accomplish the parking action, also can prevent to stop contact friction between the part, improve the life of part.
In order to further optimize the scheme, the meshing stress of the internal spline 15 and the external spline 16 is more stable, the second joint tooth 11 is prevented from being separated from the base 13, the stability of the second joint tooth 11 is ensured, and the stability and the safety in parking execution are improved. The bottom symmetry at external spline 16 is provided with second lug 20, wherein external spline 16 and second lug 20 can set up to integrated into one piece structure, set up the upper surface of second lug 20 into the inclined plane, can set up second lug 20 into the triangle-shaped structure promptly, the lifting surface area of external spline 16 with the meshing of internal spline 15 has been increased when carrying out the parking like this for external spline 16 and the internal spline 15 meshing atress are more stable, and then prevent that second joint tooth 11 from breaking away from base 13, guarantee the stability of second joint tooth 11, stability and security when having improved the parking. In addition, in order to reduce the friction force on the force receiving side of the external spline 16, all parts on the force receiving side of the external spline 16 under the engagement action are more easily separated, so that the engaging sleeve 7 is more easily switched to other gear states, and the operation comfort of a driver is improved. Open at external splines 16's atress side and be equipped with second recess 21, lubrication piece 22 has been set in second recess 21, wherein lubrication piece 22 can adopt the sponge piece, and lubrication piece 22's thickness is higher than the groove height of second recess 21, pour into lubricating oil along the cell wall of second recess 21, until all absorbed by the sponge piece, like this when external splines 16 atress side receives the extrusion force, lubricating oil in the sponge piece can play the lubrication action, can reduce the frictional force of internal splines 15 and external splines 16 atress side like this, make each part of external splines 16 atress side under the meshing action more separate, and then make engaging sleeve 7 change to other gear states more easily, the travelling comfort of driver's operation has finally been improved.
Furthermore, in order to prevent the second engaging tooth 11 from disengaging from the base 13, the stability of the second engaging tooth 11 is ensured, and further, when the parking action is performed, the engaging sleeve 7 and the second engaging tooth 11 are engaged more smoothly and are not easy to shift or disengage, so that the parking efficiency is improved, and meanwhile, the safety is achieved. A plurality of first protruding blocks 17, preferably 3-5 blocks, are arranged in the circumferential direction of the second coupling tooth 11, a gasket 12 is detachably mounted on the top of the second coupling tooth 11, in order to enable the gasket 12, the second coupling tooth 11 and the base 13 to be connected more tightly, a plurality of fastening pieces 14 are fixedly mounted on the gasket 12, and the fastening pieces 14 are adapted to first grooves 18, so that the second coupling tooth 11 can be fixed on the base 13, the base 13 is sleeved in the second coupling tooth 11, the base 13 is provided with a plurality of first grooves 18, the first protruding blocks 17 are adapted to the first grooves 18, and when a parking action is performed, since the second coupling tooth 11 is located between the gasket 12 and the base 13, the second coupling tooth 11 is not prone to shift, so that the second coupling tooth 11 is not prone to be separated from the base 13, and smooth parking is ensured.
Furthermore, in order to further prevent the second engaging tooth 11 from deviating or disengaging and ensure that the engaging sleeve 7 is smoothly sleeved in the second engaging tooth 11, the elastic members 19 are symmetrically installed in the first groove 18, and the elastic members 19 are set as conical coil springs, because the first protrusion 17 is always kept at the middle position of the conical coil springs at the two sides of the first groove 18, the second engaging tooth 11 can rotate left and right by the distance of one tooth on the base 13 during parking, so that the engaging sleeve 7 can be smoothly parked in the second engaging tooth 11 to achieve the parking function, and in order to prevent the second engaging tooth 11 from being disengaged from the first groove 18 of the base 13, the washer 12 is detachably installed at the top of the base 13, and wherein the washer 12 is in interference fit with the base 13, so that the second engaging tooth 11 can only rotate left and right by the distance of one tooth in the first groove 18 of the base 13 without disengaging, and further, the second engaging teeth 11 are prevented from shifting, and the parking action is smoothly completed.
Further optimize the scheme, realize the integration in order to guarantee automatic transmission's the parking of shifting, and can realize shifting fast conveniently and fast and the conversion of parking action. Will joint sleeve 7 bottom internal diameter sets up to be not less than the top internal diameter, is about to joint sleeve 7 sets up to the shape that the top is less than the bottom, and shift fork 3 can drive joint sleeve 7 smoothly like this and reciprocate, and then accomplishes the action of shifting gears and parking.
In order to ensure that the engaging sleeve 7 can smoothly perform a gear shifting action, the transmission mechanism is arranged to comprise a helical gear 5 and first engaging teeth 6, the helical gear 5 and the first engaging teeth 6 are sleeved on the output shaft 4, wherein the helical gear 5 can be mounted on the output shaft 4 through a rolling bearing, the helical gear 5 is positioned above the first engaging teeth 6, and the first engaging teeth 6 are positioned above the engaging sleeve 7, so that when the gear shifting is performed, the shifting fork 3 drives the engaging sleeve 7 to move upwards, the engaging sleeve 7 and the first engaging teeth 6 act to drive the output shaft 4 to act with the input shaft or the differential mechanism through the helical gear 5 to transmit power, the gear shifting action is completed, and a transmission gear can be added above the helical gear 5 according to the needs of the transmission mechanism.
During operation, when shifting is carried out, the motor 1 is started, the motor 1 drives the ball screw 2 to convert the spiral motion into the linear motion, the shifting fork 3 drives the engaging sleeve 7 to move upwards, and the engaging sleeve 7 and the first engaging teeth 6 act to drive the output shaft 4 and the input shaft or the differential mechanism to act to transmit power through the bevel gear 5 until the shifting action is completed.
When the neutral gear action is executed, after the gear shifting action is finished, the motor 1 is started, the shifting fork 3 drives the joint sleeve 7 to move downwards to the neutral gear position, namely, a neutral gear groove (not shown in the figure) on the output shaft 4 is arranged, and when the joint sleeve 7 is buckled in the neutral gear groove, the neutral gear action is finished.
When the parking action is executed, the motor 1 is started, the motor 1 drives the rolling screw rod 2 to do linear motion, and the shifting fork 3 drives the joint sleeve 7 to continue moving downwards until the internal spline 15 of the joint sleeve 7 is jointed with the external spline 16 of the second joint tooth 11, so that the parking action is completed.
The invention shares one motor 1 when the gear shifting action and the parking action are executed, so that one motor 1 can realize the gear shifting and parking functions, the cost is saved compared with the prior art, only the position of one motor 1 on a transmission shell needs to be considered, the parking action is completed by jointing the joint sleeve 7 and the second joint teeth 11 on the base 13 when the parking action is executed, and the internal spline 15 and the external spline 16 are arranged into the conical structure, so that the parking function is easily realized when the joint sleeve 7 is downwards acted and jointed with the second joint teeth 11, because the internal spline 15 and the external spline 16 are arranged into the conical structure and the elastic piece 19 is arranged at the inner side of the first groove 18, the clearance of one tooth can be rotated left and right between the second joint teeth 11 and the base 13, compared with the prior parking technology, the invention can realize the parking function that the joint sleeve 7 can be acted and the second joint teeth 11 smoothly under any condition, and a part of space in the gearbox is saved, the functions of gear shifting and parking can be completed by one motor 1, the gear shifting and parking efficiency of the gearbox can be improved, the comfort of a driver is improved, and the driving stability and safety of the automobile can be ensured.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. The utility model provides an automatic derailleur's parking integration mechanism that shifts which characterized in that: comprises a motor (1), a shifting fork (3), a joint sleeve (7), an output shaft (4) and a transmission mechanism, the motor (1) is detachably connected with a shifting fork (3) through a transmission part, the shifting fork (3) is detachably connected on a joint sleeve (7), the shifting fork (3) drives the joint sleeve (7) to move up and down, the output shaft (4) is sleeved with a gear hub (8), the gear hub (8) is externally sleeved with a spline hub (9), the spline hub (9) is detachably provided with a joint sleeve (7), the output shaft (4) is sleeved with a transmission mechanism which is positioned above the joint sleeve (7), a second engaging tooth (11) is arranged below the engaging sleeve (7), a base (13) is arranged at the bottom of the output shaft (4), the output shaft (4) is sleeved in the base (13) through a bearing (10), and the second engaging teeth (11) are detachably connected with the base (13); a plurality of internal splines (15) are circumferentially arranged on the inner wall of the bottom of the joint sleeve (7), and a plurality of external splines (16) are circumferentially arranged on the outer periphery of the second joint tooth (11); a plurality of first convex blocks (17) are arranged in the second joint teeth (11) in the circumferential direction, a gasket (12) is detachably mounted at the top of the second joint teeth (11), a base (13) is sleeved in the second joint teeth (11), a plurality of first grooves (18) are formed in the base (13), and the first convex blocks (17) are matched with the first grooves (18); the gasket (12) is fixedly provided with a plurality of buckling pieces (14), and the buckling pieces (14) are matched with the first grooves (18); elastic pieces (19) are symmetrically arranged in the first groove (18), and the elastic pieces (19) are conical spiral springs.
2. The integrated shift and park mechanism of an automatic transmission according to claim 1, characterized in that: the end parts of the internal spline (15) and the external spline (16) are in a conical structure.
3. The integrated shift and park mechanism of an automatic transmission according to claim 2, characterized in that: the bottom of the external spline (16) is symmetrically provided with second lugs (20), and the upper surface of each second lug (20) is an inclined plane or an inclined conical surface.
4. The integrated shift and park mechanism of an automatic transmission according to claim 1, characterized in that: the inner diameter of the bottom of the joint sleeve (7) is not less than the inner diameter of the top.
5. The integrated shift and park mechanism of an automatic transmission according to claim 1, characterized in that: the transmission mechanism comprises a helical gear (5) and first joint teeth (6), the helical gear (5) and the first joint teeth (6) are sleeved on the output shaft (4), the helical gear (5) is located above the first joint teeth (6), and the first joint teeth (6) are located above the joint sleeve (7).
6. The integrated shift and park mechanism of an automatic transmission according to claim 1, characterized in that: the transmission part is a ball screw (2), and a shifting fork (3) is fixedly connected to the ball screw (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826757.9A CN110486464B (en) | 2019-09-03 | 2019-09-03 | Automatic derailleur's parking integration mechanism of shifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826757.9A CN110486464B (en) | 2019-09-03 | 2019-09-03 | Automatic derailleur's parking integration mechanism of shifting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110486464A CN110486464A (en) | 2019-11-22 |
| CN110486464B true CN110486464B (en) | 2020-12-22 |
Family
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| CN201910826757.9A Expired - Fee Related CN110486464B (en) | 2019-09-03 | 2019-09-03 | Automatic derailleur's parking integration mechanism of shifting |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10224357A1 (en) * | 2002-05-29 | 2003-12-11 | Daimler Chrysler Ag | Device for switching a toothed wheel gear changing box comprises an adjusting slide arranged on a switching sleeve and sliding toward the main shaft, and a spring element acting between the first stop and the adjusting slide |
| DE102010049276A1 (en) * | 2010-10-22 | 2012-04-26 | Neumayer Tekfor Holding Gmbh | Parking lock for use in dual clutch and torque converter transmission of vehicle for holding vehicle in parking position, has actuator connecting outer- and counter contours, where element and/or actuator are arranged in and/or at fork |
| CN205592295U (en) * | 2016-04-08 | 2016-09-21 | 中国第一汽车股份有限公司 | Novel synchronous ware of automotive transmission catch formula limit structure that puts into gear |
| CN206112044U (en) * | 2016-08-10 | 2017-04-19 | 河北工业大学 | Electric automobile transmission |
| CN106838300A (en) * | 2017-04-07 | 2017-06-13 | 河北工业大学 | A kind of automatic synchronization shifting system and electric automobile |
| CN108644371A (en) * | 2018-04-17 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | A kind of parking gear shifting mechanism |
| CN209180351U (en) * | 2018-11-27 | 2019-07-30 | 重庆长安新能源汽车科技有限公司 | A kind of vehicle gear box halting mechanism |
-
2019
- 2019-09-03 CN CN201910826757.9A patent/CN110486464B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10224357A1 (en) * | 2002-05-29 | 2003-12-11 | Daimler Chrysler Ag | Device for switching a toothed wheel gear changing box comprises an adjusting slide arranged on a switching sleeve and sliding toward the main shaft, and a spring element acting between the first stop and the adjusting slide |
| DE102010049276A1 (en) * | 2010-10-22 | 2012-04-26 | Neumayer Tekfor Holding Gmbh | Parking lock for use in dual clutch and torque converter transmission of vehicle for holding vehicle in parking position, has actuator connecting outer- and counter contours, where element and/or actuator are arranged in and/or at fork |
| CN205592295U (en) * | 2016-04-08 | 2016-09-21 | 中国第一汽车股份有限公司 | Novel synchronous ware of automotive transmission catch formula limit structure that puts into gear |
| CN206112044U (en) * | 2016-08-10 | 2017-04-19 | 河北工业大学 | Electric automobile transmission |
| CN106838300A (en) * | 2017-04-07 | 2017-06-13 | 河北工业大学 | A kind of automatic synchronization shifting system and electric automobile |
| CN108644371A (en) * | 2018-04-17 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | A kind of parking gear shifting mechanism |
| CN209180351U (en) * | 2018-11-27 | 2019-07-30 | 重庆长安新能源汽车科技有限公司 | A kind of vehicle gear box halting mechanism |
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| CN110486464A (en) | 2019-11-22 |
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