CN107725766A - P keeps off parking mechanism and vehicle - Google Patents
P keeps off parking mechanism and vehicle Download PDFInfo
- Publication number
- CN107725766A CN107725766A CN201710994807.5A CN201710994807A CN107725766A CN 107725766 A CN107725766 A CN 107725766A CN 201710994807 A CN201710994807 A CN 201710994807A CN 107725766 A CN107725766 A CN 107725766A
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- Prior art keywords
- ratchet
- parking
- gear
- confined planes
- rocking arm
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- 230000007246 mechanism Effects 0.000 title claims abstract description 98
- 125000006850 spacer group Chemical group 0.000 claims description 26
- 230000000694 effects Effects 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 11
- 230000005520 electrodynamics Effects 0.000 description 9
- 230000007704 transition Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 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
- 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
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
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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
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
- F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement
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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
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3458—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire
- F16H63/3466—Parking lock mechanisms or brakes in the transmission with electric actuating means, e.g. shift by wire using electric motors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Gear Transmission (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a P-gear parking mechanism and a vehicle, wherein the P-gear parking mechanism comprises: a housing; a parking gear; a pawl pivotally mounted within the housing and spaced from the parking gear in an out-of-park condition; a rocker arm assembly including a rocker arm and a roller bearing mounted on the rocker arm, the roller bearing stopping against the pawl; the actuator is used for driving the rocker arm to rotate so that the roller bearing rolls along the pawl to drive the pawl to rotate. According to the P-gear parking mechanism, the friction force during unlocking can be reduced through the driving mode of the rocker arm and the roller bearing, the parking and unlocking stability of the P-gear parking mechanism is good, the structural reliability of the P-gear parking mechanism is high, the motion tracks of the moving parts are basically concentrated on one plane, and the size of the mechanism can be reduced.
Description
Technical field
The invention belongs to technical field of vehicle manufacture, keeps off halting mechanism in particular to a kind of P and is stayed with P gears
The vehicle of mechanism of car.
Background technology
P keep off parking lock device under stationary vehicle or lower-speed state can safe parking, prevent vehicle from coming down.Related skill
The P gear general spare parts of parking device in art disperse, and occupancy shell space is larger, and the P gear parking devices in correlation technique
When driving park pawl, in order to mitigate frictional force, it is required to finish detent face, to reduce roughness so that
The difficulty of processing of ratchet is big, room for improvement be present.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes a kind of P gears
Halting mechanism, the P gears halting mechanism can reduce frictional force during unblock.
P gear halting mechanisms according to embodiments of the present invention, including：Housing；Parking gear；Ratchet, the ratchet are pivotable
Ground is installed in the housing, and is spaced apart under non-parked state with the parking gear；Rocker arm assembly, the Rocker arm assembly
Including rocking arm and the roller bearing being installed on the rocking arm, the roller bearing only supports the ratchet；Executing agency, it is described to hold
Row mechanism is used to drive the rocking arm to rotate so that the roller bearing is rolled along the ratchet to drive the pawl rotation.
P gear halting mechanisms according to embodiments of the present invention, by the type of drive of rocking arm and roller bearing, can reduce solution
Frictional force during lock, the parking unblock stability of P gear halting mechanisms is good, and the structural reliability of P gear halting mechanisms is high, and movement parts
Movement locus baseset on one face, the volume of mechanism can be reduced.
P according to an embodiment of the invention keeps off halting mechanism, and one end of the rocking arm is provided with axis hole, and the other end is provided with circle
Axis pin of column, the rocking arm may be pivotally mounted in the housing by the axis hole, and the roller bearing is sheathed on the circle
Outside axis pin of column, and it is interference fitted with the cylindrical pin.
P according to an embodiment of the invention keeps off halting mechanism, in addition to：Drive shaft, the drive shaft and the execution
Mechanism power coupling connection；Lobe plate, the lobe plate are fixedly connected with the drive shaft, and the lobe plate is described for driving
Rocking arm rotates.
P according to an embodiment of the invention keeps off halting mechanism, in addition to：Leaf spring, the leaf spring are fixed with the housing
Connection, and the leaf spring is provided with roller, the periphery of the lobe plate is along provided with the parking lock groove for being suitable to coordinate with the roller
With non-parking lock groove.
P according to an embodiment of the invention keeps off halting mechanism, and the periphery of the lobe plate is along being circular arc, and center of circle position
In on the axis of the drive shaft.
P according to an embodiment of the invention keeps off halting mechanism, and the parking lock groove and the non-parking lock groove are equal
For V-arrangement.
P according to an embodiment of the invention keeps off halting mechanism, in addition to：Torsion spring is driven, the driving torsion spring set is located at
Outside the drive shaft, the lobe plate is provided with spacer pin, and the spacer pin is located on the rotation path of the rocking arm, the driving
The positive stop end of torsion spring compress the spacer pin away from the side of the rocking arm, the effect end elasticity of the driving torsion spring compresses institute
State rocking arm away from the side of the spacer pin.
P according to an embodiment of the invention keeps off halting mechanism, and the rocking arm is pivotably connected with the drive shaft.
P according to an embodiment of the invention keeps off halting mechanism, and one end of the rocking arm is provided with axis hole, and passes through the axle
Borehole jack coordinates outside the drive shaft, and with the driving shaft clearance.
P according to an embodiment of the invention keeps off halting mechanism, the axis of the drive shaft, the axle of the parking gear
Line, the pivot axis of the ratchet are parallel.
P according to an embodiment of the invention keeps off halting mechanism, and the ratchet has ratchet working face, the ratchet work
Face include the non-parking confined planes of ratchet, ratchet parking confined planes, the non-parking confined planes of ratchet to the parking gear away from
With a distance from less than the ratchet parking confined planes to the parking gear；Under non-parked state, the roller bearing only supports
The non-parking confined planes of ratchet, under parked state, the roller bearing only supports the ratchet parking confined planes.
P according to an embodiment of the invention keeps off halting mechanism, and it is spacing that the ratchet working face also includes the pre- parking of ratchet
Face, the non-parking confined planes of the ratchet, the pre- parking confined planes of ratchet, ratchet parking confined planes along close to ratchet pivot axis successively
It is connected, the distance of the non-parking confined planes of ratchet to the parking gear is stayed less than the pre- parking confined planes of the ratchet described in
The distance of skiving wheel, under pre- parked state, the roller bearing only supports the pre- parking confined planes of the ratchet.
P according to an embodiment of the invention keeps off halting mechanism, and the pre- parking confined planes of ratchet are relative to the ratchet
Non- parking confined planes are tilted towards away from the direction of the parking gear, and the ratchet parking confined planes are stayed in advance relative to the ratchet
Car confined planes tilt towards close to the direction of the parking gear.
P according to an embodiment of the invention keeps off halting mechanism, in addition to：Return unit, the return unit and the ratchet
It is connected, so that the ratchet is spaced apart with the parking gear under normal conditions.
P according to an embodiment of the invention keeps off halting mechanism, and the return unit includes torsion spring, and the torsion spring set is located at spine
Pawl pivot rotating shaft, the positive stop end of the torsion spring compress the housing, and the effect end elasticity of the torsion spring compresses the ratchet.
P according to an embodiment of the invention keeps off halting mechanism, and the executing agency is electrodynamic type or hand.
The invention also provides a kind of vehicle, has any described P gear halting mechanisms as described above.
The vehicle and above-mentioned P gear halting mechanisms are same relative to Dominant Facies possessed by prior art, no longer superfluous herein
State.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of P gear halting mechanisms according to embodiments of the present invention in non-parked state；
Fig. 2 is the structural representation of P gear halting mechanisms according to embodiments of the present invention in pre- parked state；
Fig. 3 is the structural representation of P gear halting mechanisms according to embodiments of the present invention in parked state；
Fig. 4 is the partial enlarged drawing at A in Fig. 3；
Fig. 5 is lobe plate according to embodiments of the present invention and the structural representation of drive shaft；
Fig. 6 and Fig. 7 is the structural representation of lobe plate according to embodiments of the present invention, drive shaft, rocking arm.
Reference：
Parking gear 1, lock groove 14,
Ratchet 2, the non-parking confined planes 21 of ratchet, the pre- parking confined planes 22 of ratchet, ratchet parking confined planes 23, locking tooth
24, ratchet pivotal axis 26, First Transition section 27, the second changeover portion 28,
Torsion spring 3,
Drive shaft 52, torsion spring 53 is driven,
Lobe plate 6, parking lock groove 62, non-parking lock groove 63, spacer pin 64,
Rocking arm 7, cylindrical pin 71,
Roller bearing 8,
Leaf spring 9, roller 91.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
P according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 7 and keeps off halting mechanism, and the P gears of the embodiment of the present invention are stayed
Mechanism of car both can apply to pure electric automobile decelerator, can apply to fuel vehicle automatic transmission again.
Embodiment 1
As shown in Figure 1-Figure 3, P gears halting mechanism according to an embodiment of the invention includes：Housing (not shown),
Parking gear 1, ratchet 2, Rocker arm assembly, executing agency's (not shown).
Wherein, housing can be connected with reduction case, and parking gear 1 is connected with the driving force assembly of vehicle, for example stays
Skiving wheel 1 can be fixedly connected with main reducing gear gear wheel, and parking gear 1 can have lock groove 14, when parking gear 1 is locked
When only, you can cut-out power output, realize that P keeps off parking.
Ratchet 2 may be pivotally mounted in housing, and ratchet 2 can may be pivotally mounted to shell by ratchet pivotal axis 26
Body, ratchet pivotal axis 26 can be fixedly connected with the casing, and ratchet 2 is set in outside ratchet pivotal axis 26 by through hole, and and ratchet
The gap of pivotal axis 26 coordinates, and ratchet 2 can be long strip-board shape.
Ratchet 2 and 1 substantially coplanar setting of parking gear, or the folder between the axis of the normal of ratchet 2 and parking gear 1
10 ° of angle ＜, ratchet 2 have locking tooth 24, a laterally closer parking gear 1 towards parking gear 1 of the locking tooth 24 from ratchet 2
Direction protrusion, when ratchet 2 turns to locking tooth 24 around ratchet pivotal axis 26 is caught in lock groove 14, you can locking parking gear
1, realize that P keeps off parking.
Ratchet 2 is spaced apart with parking gear 1 under non-parked state, and ratchet 2 does not interfere the rotation of parking gear 1.P gears are stayed
Mechanism of car can also include：Return unit, return unit are connected with ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
For example return unit can include torsion spring 3, torsion spring 3 is sheathed on ratchet pivotal axis 26, and the positive stop end of torsion spring 3 compresses drive shaft 52, turns round
The effect end elasticity of spring 3 compresses ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
Rocker arm assembly includes rocking arm 7 and roller bearing 8, and rocking arm 7 be may be pivotally mounted in housing, and roller bearing 8 is installed
In on rocking arm 7, roller bearing 8 only supports ratchet 2, and when rocking arm 7 rotates, roller bearing 8 rolls along ratchet 2, and drives 2 turns of ratchet
It is dynamic, when ratchet 2 turns to locking tooth 24 around ratchet pivotal axis 26 is caught in lock groove 14, you can locking parking gear 1.
Executing agency can input driving force of putting into gear, and executing agency is used to drive rocking arm 7 to rotate so that roller bearing 8 is along spine
Pawl 2 is rolled to drive ratchet 2 to rotate, and executing agency can make rocking arm 7 rotate predetermined stroke, and executing agency can be electrodynamic type
Or hand, it can realize that automatic parking or unblock, such as executing agency include motor when executing agency is electrodynamic type；Holding
When row mechanism is hand, can manually put into gear parking or unblock, for example executing agency is stay-supported or rod-pulling type.
Parking operation is inputted, executing agency's driving rocking arm 7, roller bearing 8 rolls along ratchet 2, and drives ratchet 2 to turn to
Only support parking gear 1, during unblock, executing agency's driving rocking arm 7 inverts, and roller bearing 8 rolls along ratchet 2, so by routine
Force of sliding friction is converted to force of rolling friction, and moment of torsion required during unblock is greatly lowered, and then avoids enter into and can not unlock
Predicament, and reduce the technological requirement to degree coarse to component surface.
P gear halting mechanisms according to embodiments of the present invention, by the type of drive of rocking arm 7 and roller bearing 8, can be reduced
Frictional force during unblock, the parking unblock stability of P gear halting mechanisms is good, and the structural reliability of P gear halting mechanisms is high, and moves
In the movement locus baseset of part on one face, the volume of mechanism can be reduced.
Embodiment 2
As shown in Figure 1-Figure 3, P gears halting mechanism according to an embodiment of the invention includes：Housing (not shown),
Parking gear 1, ratchet 2, Rocker arm assembly, drive shaft 52, lobe plate 6, executing agency's (not shown).
Wherein, housing can be connected with reduction case, and parking gear 1 is connected with the driving force assembly of vehicle, for example stays
Skiving wheel 1 can be fixedly connected with main reducing gear gear wheel, and parking gear 1 can have lock groove 14, when parking gear 1 is locked
When only, you can cut-out power output, realize that P keeps off parking.
Ratchet 2 may be pivotally mounted in housing, and ratchet 2 can may be pivotally mounted to shell by ratchet pivotal axis 26
Body, ratchet pivotal axis 26 can be fixedly connected with the casing, and ratchet 2 is set in outside ratchet pivotal axis 26 by through hole, and and ratchet
The gap of pivotal axis 26 coordinates, and ratchet 2 can be long strip-board shape.
Ratchet 2 and 1 substantially coplanar setting of parking gear, or the folder between the axis of the normal of ratchet 2 and parking gear 1
10 ° of angle ＜, ratchet 2 have locking tooth 24, a laterally closer parking gear 1 towards parking gear 1 of the locking tooth 24 from ratchet 2
Direction protrusion, when ratchet 2 turns to locking tooth 24 around ratchet pivotal axis 26 is caught in lock groove 14, you can locking parking gear
1, realize that P keeps off parking.
Ratchet 2 is spaced apart with parking gear 1 under non-parked state, and ratchet 2 does not interfere the rotation of parking gear 1.P gears are stayed
Mechanism of car can also include：Return unit, return unit are connected with ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
For example return unit can include torsion spring 3, torsion spring 3 is sheathed on ratchet pivotal axis 26, and the positive stop end of torsion spring 3 compresses drive shaft 52, turns round
The effect end elasticity of spring 3 compresses ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
Executing agency can input driving force of putting into gear, and lobe plate 6 is connected by drive shaft 52 with executing agency, drive shaft 52
It is connected with executing agency power coupling, lobe plate 6 is fixedly connected with drive shaft 52, and it is pre- that executing agency can rotate drive shaft 52
Fixed stroke.
Rocker arm assembly be may be pivotally mounted in housing, and Rocker arm assembly is pivotably connected with drive shaft 52, and lobe plate 6 drives
Shake arm assembly to rotate to drive ratchet 2 to rotate.
That is, Rocker arm assembly shares pivotal axis with lobe plate 6, due to eliminating the pivotal axis of Rocker arm assembly independence,
Component number can be reduced, improves the assembly precision between parts so that P keeps off the more compact structure of halting mechanism, required
Space is small, is advantageous to optimize the space arrangement of vehicle.
Executing agency can make drive shaft 52 rotate predetermined angle, so that Rocker arm assembly moves predetermined stroke, hold
Row mechanism can be electrodynamic type or hand, can realize automatic parking or unblock when executing agency is electrodynamic type, for example hold
Row mechanism includes motor, and motor shaft can be connected with drive shaft 52 by spline；When executing agency is hand, can pass through
Hand engaging gear parking or unblock, such as executing agency are stay-supported or rod-pulling type.
Parking operation is inputted, executing agency's driving drive shaft 52 simultaneously drives Rocker arm assembly by lobe plate 6, and Rocker arm assembly pushes away
Pawl 2 turns to locking parking gear 1.
P gear halting mechanisms according to embodiments of the present invention, structural reliability is high, and the movement locus of movement parts concentrates on substantially
On one face, and component number is few, and the assembly precision between parts is high so that P keeps off the more compact structure of halting mechanism, institute
Need space small, be advantageous to optimize the space arrangement of vehicle.
Embodiment 3
As shown in Figure 1-Figure 3, P gears halting mechanism according to an embodiment of the invention includes：Housing (not shown),
Parking gear 1, ratchet 2, rocking arm 7, lobe plate 6, driving elastic component, executing agency's (not shown).
Wherein, housing can be connected with reduction case, and parking gear 1 is connected with the driving force assembly of vehicle, for example stays
Skiving wheel 1 can be fixedly connected with main reducing gear gear wheel, and parking gear 1 can have lock groove 14, when parking gear 1 is locked
When only, you can cut-out power output, realize that P keeps off parking.
Ratchet 2 may be pivotally mounted in housing, and ratchet 2 can may be pivotally mounted to shell by ratchet pivotal axis 26
Body, ratchet pivotal axis 26 can be fixedly connected with the casing, and ratchet 2 is set in outside ratchet pivotal axis 26 by through hole, and and ratchet
The gap of pivotal axis 26 coordinates, and ratchet 2 can be long strip-board shape.
Ratchet 2 and 1 substantially coplanar setting of parking gear, or the folder between the axis of the normal of ratchet 2 and parking gear 1
10 ° of angle ＜, ratchet 2 have locking tooth 24, a laterally closer parking gear 1 towards parking gear 1 of the locking tooth 24 from ratchet 2
Direction protrusion, when ratchet 2 turns to locking tooth 24 around ratchet pivotal axis 26 is caught in lock groove 14, you can locking parking gear
1, realize that P keeps off parking.
Ratchet 2 is spaced apart with parking gear 1 under non-parked state, and ratchet 2 does not interfere the rotation of parking gear 1.P gears are stayed
Mechanism of car can also include：Return unit, return unit are connected with ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
For example return unit can include torsion spring 3, torsion spring 3 is sheathed on ratchet pivotal axis 26, and the positive stop end of torsion spring 3 compresses drive shaft 52, turns round
The effect end elasticity of spring 3 compresses ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
Executing agency can input driving force of putting into gear, and executing agency rotates for driving cam plate 6, and executing agency can make
Lobe plate 6 rotates predetermined angle.Executing agency can be electrodynamic type or hand, can be real when executing agency is electrodynamic type
Existing automatic parking or unblock, such as executing agency include motor；When executing agency is hand, it can manually put into gear and stay
Car or unblock, such as executing agency are stay-supported or rod-pulling type.
Rocking arm 7 may be pivotally mounted in housing, and rocking arm 7 is used to drive ratchet 2 to rotate, and lobe plate 6 is provided with spacer pin 64,
And spacer pin 64 is located on the rotation path of rocking arm 7, spacer pin 64 protrudes from the side wall of the close rocking arm 7 of lobe plate 6, spacer pin
64 can be cylinder, and driving elastic component is connected between lobe plate 6 and rocking arm 7, so that rocking arm 7 often only supports spacer pin 64.
It is understood that under the pretightning force effect of driving elastic component, rocking arm 7 only supports spacer pin 64, in 6 turns of lobe plate
When dynamic, spacer pin 64 is servo-actuated, drives the elastic force of elastic component to drive rocking arm 7 to rotate.
As shown in Figure 2 and Figure 7, parking operation is inputted, executing agency's driving cam plate 6 rotates, the lock groove of parking gear 1
The position of locking tooth 24 of 14 non-face ratchets 2, ratchet 2 stop the gear tooth portions to parking gear 1, and rocking arm 7 can not be rotated further, this
When the angle specified do not turned to due to executing agency, lobe plate 6 will be driven to be rotated further, driving elastic component overcomes pretightning force
Continue elastic deformation, executing agency has gone to the angle of setting and powered off so that P gear halting mechanisms are maintained at pre- shown in Fig. 2
Parked state, because driving elastic component is in larger internal force status, if landslide phenomenon occurs for vehicle, wheel can drive park tooth
Wheel 1 rotates, and when the lock groove 14 of parking gear 1 turns to 24 position of locking tooth of face ratchet 2, rocking arm 7 is in driving elasticity
It may proceed to promote ratchet 2 to rotate and make locking tooth 24 enter in lock groove 14 under the elastic force of part, P gear halting mechanisms just reach
Parked state as shown in Figure 3, so as to ensure that vehicle will not continue to come down over long distances.
P gears halting mechanism according to embodiments of the present invention, can be with by lobe plate 6, rocking arm 7, the structure for driving elastic component
Making the parking of P gear halting mechanisms stable, eliminate influence of the rotational angle of parking gear 1 to parking operation, structural reliability is high,
In the movement locus baseset of movement parts on one face so that P keeps off the more compact structure of halting mechanism, is advantageous to optimize vehicle
Space arrangement.
Embodiment 4
As shown in Figure 1-Figure 3, P gears halting mechanism according to an embodiment of the invention includes：Housing (not shown),
Parking gear 1, ratchet 2, Rocker arm assembly, executing agency's (not shown).
Wherein, housing can be connected with reduction case, and parking gear 1 is connected with the driving force assembly of vehicle, for example stays
Skiving wheel 1 can be fixedly connected with main reducing gear gear wheel, and parking gear 1 can have lock groove 14, when parking gear 1 is locked
When only, you can cut-out power output, realize that P keeps off parking.
Ratchet 2 may be pivotally mounted in housing, and ratchet 2 can may be pivotally mounted to shell by ratchet pivotal axis 26
Body, ratchet pivotal axis 26 can be fixedly connected with the casing, and ratchet 2 is set in outside ratchet pivotal axis 26 by through hole, and and ratchet
The gap of pivotal axis 26 coordinates, and ratchet 2 can be long strip-board shape, and ratchet 2 has ratchet working face away from the side of parking gear 1.
Ratchet 2 and 1 substantially coplanar setting of parking gear, or the folder between the axis of the normal of ratchet 2 and parking gear 1
10 ° of angle ＜, ratchet 2 have locking tooth 24, a laterally closer parking gear 1 towards parking gear 1 of the locking tooth 24 from ratchet 2
Direction protrusion, when ratchet 2 turns to locking tooth 24 around ratchet pivotal axis 26 is caught in lock groove 14, you can locking parking gear
1, realize that P keeps off parking.
Ratchet 2 is spaced apart with parking gear 1 under non-parked state, and ratchet 2 does not interfere the rotation of parking gear 1.P gears are stayed
Mechanism of car can also include：Return unit, return unit are connected with ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
For example return unit can include torsion spring 3, torsion spring 3 is sheathed on ratchet pivotal axis 26, and the positive stop end of torsion spring 3 compresses drive shaft 52, turns round
The effect end elasticity of spring 3 compresses ratchet 2, so that ratchet 2 is spaced apart with parking gear 1 under normal conditions.
Rocker arm assembly may be pivotally mounted in housing, and Rocker arm assembly is suitable to only support ratchet working face, and Rocker arm assembly turns
When dynamic, by promoting ratchet working face that ratchet 2 can be driven to rotate, when ratchet 2 turns to locking tooth 24 around ratchet pivotal axis 26
When being caught in lock groove 14, you can locking parking gear 1.
Executing agency can input driving force of putting into gear, and executing agency is used to drive Rocker arm assembly to rotate to promote 2 turns of ratchet
Move to locking parking gear 1, executing agency can make Rocker arm assembly rotate predetermined stroke, executing agency can be electrodynamic type or
Hand, it can realize that automatic parking or unblock, such as executing agency include motor when executing agency is electrodynamic type；Performing
When mechanism is hand, can manually put into gear parking or unblock, for example executing agency is stay-supported or rod-pulling type.
Parking operation, executing agency's driving Rocker arm assembly are inputted, Rocker arm assembly promotes ratchet working face, rotates ratchet 2
Parking gear 1 is supported to end.
P gear halting mechanisms according to embodiments of the present invention, pass through the cooperation of Rocker arm assembly and ratchet working face, P gear parkings
Mechanism puts into gear that parking stability is good, reliability is high, and, can reduce in the movement locus baseset of movement parts on one face
The volume of mechanism.
In the description of this specification, specific features, structure, material or the feature of description can in any one or
Combined in an appropriate manner in multiple embodiments or example, for example the technical characteristic of above-described embodiment 1- embodiments 6 is not being runed counter to
In the case of, it can be mutually combined to obtain new embodiment, the mode of combination is not limited to the technical characteristic of two embodiments
Combination, can also be the common combination of the technical characteristic of multiple embodiments.
Further, above-described embodiment 1- embodiments 6 can further include following technical characteristics.
As shown in Figure 1-Figure 3, P keeps off halting mechanism and can also included：Drive shaft 52, drive shaft 52 and executing agency's power coupling
Connection is closed, for example when executing agency is electric motor type, drive shaft 52 can be connected with motor shaft by shaft coupling, or drive shaft
52 can be connected with motor shaft by spline structure.
In some preferred embodiments, with reference to figure 1- Fig. 3, the axis of drive shaft 52, the axis of parking gear 1, ratchet 2
Pivot axis it is parallel, it is possible thereby to executing agency to be arranged in the side of decelerator, P gear halting mechanisms it is compact-sized, have
Arranged beneficial to the space of optimization vehicle.
As shown in Figure 1-Figure 3, P keeps off halting mechanism and can also included：Lobe plate 6, lobe plate 6 is fixed with drive shaft 52 to be connected
Connect, for example lobe plate 6 is set in outside drive shaft 52, and be weldingly connected with drive shaft 52, rod assembly is connected with lobe plate 6, than
Pull bar such as rod assembly is connected with lobe plate 6, and when drive shaft 52 rotates, lobe plate 6 rotates with drive shaft 52, and drives and shake
Arm 7 rotates.
As shown in Figure 1-Figure 3, P keeps off halting mechanism and can also included：Leaf spring 9, leaf spring 9 is fixedly connected with the casing, such as plate
Spring 9 can be fixedly connected with the casing by threaded fastener, and leaf spring 9 is provided with roller 91, and roller 91 can be cylindrical, lobe plate
6 periphery along being provided with parking lock groove 62 and non-parking lock groove 63, parking lock groove 62 and non-parking lock groove 63 suitable for
Roller 91 coordinates.
Under non-parked state, roller 91 contacts with non-parking lock groove 63, and elasticity compresses lobe plate 6, to drive
When axle 52 does not rotate, lobe plate 6 is locked at current location, P gear halting mechanisms is maintained at P and keeps off position of putting into gear；Needing to stay
Che Shi, lobe plate 6 rotate, and edge of the roller 91 along lobe plate 6 rolls, and when roller 91 rolls into parking lock groove 62, ratchet 2 stops
To parking gear 1, and the elasticity of roller 91 compresses lobe plate 6, with when drive shaft 52 does not rotate, by the locking of lobe plate 6.
Specifically, as shown in figure 5, parking lock groove 62 and non-parking lock groove 63 can be V-arrangement, such roller 91 rolls
Enter and roll out and more facilitate, the periphery edge of lobe plate 6 includes arc section, and the center of circle of the arc section is located at the axle of drive shaft 52
On line, for example lobe plate 6 can be fanning strip.
In some preferred embodiments of the present invention, as shown in Fig. 1-Fig. 3 and Fig. 5, at least part of lobe plate 6 and spine
Overlapped at least part of pawl 2, the axial direction at least partially in drive shaft 52 of rocking arm 7, that is to say, that lobe plate 6 is along drive
Axial projection, rocking arm 7 axial projection tool along drive shaft 52 of the axial projection, ratchet 2 of moving axis 52 along drive shaft 52
There is overlapping region.
As shown in Figure 1-Figure 3, Rocker arm assembly includes：Rocking arm 7 and roller bearing 8.Rocking arm 7 is that pivotal axis can with drive shaft 52
It is pivotally mounted in housing, roller bearing 8 is installed on rocking arm 7.One end of rocking arm 7 is provided with axis hole, and rocking arm 7 passes through shaft hole sleeve
Outside drive shaft 52, rocking arm 7 coordinates with the gap of drive shaft 52.The other end of rocking arm 7 is provided with cylindrical pin 71, and rocking arm 7 passes through
Axis hole be may be pivotally mounted in housing, and roller bearing 8 is sheathed on outside cylindrical pin 71, and roller bearing 8 and cylindrical pin 71
Interference fit.
Roller bearing 8 only supports ratchet 2, and lobe plate 6 drives rocking arm 7 to rotate so that roller bearing 8 rolls along ratchet 2.Rocking arm 7
During rotation, roller bearing 8 rolls along ratchet 2, and drives ratchet 2 to rotate, when ratchet 2 turns to locking tooth around ratchet pivotal axis 26
24 when being caught in lock groove 14, you can locking parking gear 1.
Parking operation is inputted, executing agency's driving rocking arm 7, roller bearing 8 rolls along ratchet 2, and drives ratchet 2 to turn to
Only support parking gear 1, during unblock, executing agency's driving rocking arm 7 inverts, and roller bearing 8 rolls along ratchet 2, so by routine
Force of sliding friction is converted to force of rolling friction, and moment of torsion required during unblock is greatly lowered, and then avoids enter into and can not unlock
Predicament, and reduce the technological requirement to degree coarse to component surface.
As shown in Fig. 1-Fig. 3 and Fig. 6-Fig. 7, rocking arm 7 is pivotably connected with drive shaft 52.That is, rocking arm 7 with it is convex
Wheel plate 6 shares pivotal axis, the pivotal axis independent due to eliminating rocking arm 7, it is possible to reduce component number, improve parts between
Assembly precision so that P keep off halting mechanism more compact structure, required space is small, be advantageous to optimize vehicle space arrangement.
As shown in Fig. 1-Fig. 3 and Fig. 6-Fig. 7, driving elastic component includes：Torsion spring 53 is driven, driving torsion spring 53 is sheathed on driving
Outside axle 52, lobe plate 6 is provided with spacer pin 64, and spacer pin 64 protrudes from the side wall of the close rocking arm 7 of lobe plate 6, and spacer pin 64 can
Think cylinder, what the positive stop end of driving torsion spring 53 compressed spacer pin 64 deviates from the side of rocking arm 7, the effect end of driving torsion spring 53
Elasticity compress rocking arm 7 away from the side of spacer pin 64.
It is understood that under the pretightning force effect of driving torsion spring 53, rocking arm 7 only supports spacer pin 64, in 6 turns of lobe plate
When dynamic, spacer pin 64 is servo-actuated, drives the elastic force of elastic component to drive rocking arm 7 to rotate.
As shown in Figure 2 and Figure 7, parking operation is inputted, executing agency's driving cam plate 6 rotates, the lock groove of parking gear 1
The position of locking tooth 24 of 14 non-face ratchets 2, ratchet 2 stop the gear tooth portions to parking gear 1, and rocking arm 7 can not be rotated further, this
When the angle specified do not turned to due to executing agency, lobe plate 6 will be driven to be rotated further, driving torsion spring 53 overcomes pretightning force
Continue to expand elastic deformation, executing agency has gone to the angle of setting and powered off so that P gear halting mechanisms are maintained at shown in Fig. 2
Pre- parked state, because driving torsion spring 53 be in larger internal force status, if the phenomenon that comes down occurs for vehicle, wheel can drive and stay
Skiving wheel 1 rotates, and when the lock groove 14 of parking gear 1 turns to 24 position of locking tooth of face ratchet 2, rocking arm 7 is driving
It may proceed to promote ratchet 2 to rotate and make locking tooth 24 enter in lock groove 14 under the elastic force of torsion spring 53, P gear halting mechanisms just reach
Parked state as shown in Figure 3 is arrived, so as to ensure that vehicle will not continue to come down over long distances.
As shown in figure 4, ratchet 2 has ratchet working face, ratchet working face includes the non-parking confined planes 21 of ratchet, ratchet is stayed
Car confined planes 23, the non-parking confined planes 21 of ratchet, ratchet parking confined planes 23 are arc, and the non-parking confined planes 21 of ratchet are to staying
The distance of skiving wheel 1 is less than the distance that ratchet parking confined planes 23 arrive parking gear 1；Under non-parked state, roller bearing 8 stops
To the non-parking confined planes 21 of ratchet, under parked state, roller bearing 8 only supports ratchet parking confined planes 23.
Ratchet working face also includes the pre- parking confined planes 22 of ratchet, and the pre- parking confined planes 22 of ratchet are linear, and ratchet is non-
The pre- parking confined planes 22 of parking confined planes 21, ratchet, ratchet parking confined planes 23 are sequentially connected along close to the line of ratchet pivotal axis 26,
The distance of the non-parking confined planes 21 of ratchet to parking gear 1 is less than the distance that the pre- parking confined planes 22 of ratchet arrive parking gear 1,
Under pre- parked state, roller bearing 8 only supports the pre- parking confined planes 22 of ratchet.
The pre- parking confined planes 22 of ratchet tilt relative to the non-parking confined planes 21 of ratchet towards away from the direction of parking gear 1,
Ratchet parking confined planes 23 tilt relative to the pre- parking confined planes 22 of ratchet towards close to the direction of parking gear 1.
As shown in figure 1, in non-parked state, the pivot axis of the centers of circle of the non-parking confined planes 21 of ratchet in Rocker arm assembly
On, as shown in Figure 3 and Figure 4, in parked state, the center of circle of ratchet parking confined planes 23 is on the pivot axis of Rocker arm assembly.
It is connected between the non-parking confined planes 21 of ratchet and the pre- parking confined planes 22 of ratchet by First Transition section 27, the first mistake
Cross the arc of section 27 and curvature circle-center is located at the side that ratchet 2 deviates from parking gear 1；Ratchet parking confined planes 23 are stayed in advance with ratchet
It is connected between car confined planes 22 by the second changeover portion 28, it is close that the arc and curvature circle-center of First Transition section 27 are located at ratchet 2
The side of parking gear 1.
Preferably, the non-parking confined planes 21 of ratchet, First Transition section 27, the second changeover portion 28, ratchet parking confined planes 23
It is circular arc, and meets：40mm≤R1≤50mm, 10mm≤R2≤15mm, 3mm≤R3≤5mm, 40mm≤R4≤50mm,
Wherein R1 is the radius of the non-parking confined planes 21 of ratchet, and R2 is the radius of First Transition section 27, and R3 is the half of the second changeover portion 28
Footpath, R4 are the radius of ratchet parking confined planes 23.In a specific example, R1=45.5mm, R2=13mm, R3=
3.9mm, R2=45.5mm.
By the ratchet working face of said structure form, effectively the motion to roller bearing 8 guiding can be formed, prevented
Occurs stuck failure during putting into gear.
1- Fig. 3 describes the operation principle of P gear halting mechanisms according to embodiments of the present invention with reference to the accompanying drawings.
When vehicle is in normally travel state, as shown in figure 1, the elasticity of roller 91 of leaf spring 9 is pressed on the non-of lobe plate 6
In parking lock groove 63, rotated with preventing lobe plate 6, the locking tooth 24 of ratchet 2 is in the lock groove 14 away from parking gear 1
Position, the side of rocking arm 7 are abutted against on the straight pin of lobe plate 6, and the opposite side of rocking arm 7 is compressed by pretension torsion spring 3.
When vehicle remains static or low-speed running state and when needing parking, executing agency receives what controller was sent
Parking instructs, and overcomes to compress from leaf spring 9 by the drive lobe plate 6 of drive shaft 52 and reversely turned round caused by non-parking lock groove 63
Square synchronous axial system, lobe plate 6 promote driving torsion spring 53 by spacer pin 64, promote rocking arm 7 to rotate indirectly, and now P keeps off parking machine
Structure has following two possible states.
State 1：As shown in figure 3, when if the lock groove 14 of parking gear 1 is located at 24 position of locking tooth of face ratchet 2, by
Moment of torsion caused by rocking arm 7 is compressed in driving torsion spring 53 and compresses moment of torsion caused by ratchet 2 more than torsion spring 3, so that driving torsion spring 53
Rocking arm 7 can be smoothly promoted to rotate, the outer ring of roller bearing 8 on rocking arm 7 is spacing by promoting the pre- parking of ratchet of ratchet 2
Face 22 come promote ratchet 2 to close to lock groove 14 direction rotate, when the outer ring of roller bearing 8 is rolled to ratchet parking confined planes 23
When, synchronously, the locking tooth 24 of ratchet 2 is moved in the lock groove 14 of parking gear 1, synchronously, the parking lock groove of lobe plate 6
62 turn to the position of roller 91 of leaf spring 9, roller 91 is pressed on the bottom of parking lock groove 62 of lobe plate 6, so that performing
Lobe plate 6 is maintained at parking lock position as shown in Figure 1 in the power-off state for mechanism (such as motor).
State 2：If as shown in Fig. 2 during 24 position of locking tooth of the non-face ratchet 2 of the lock groove 14 of parking gear 1, roller
Bearing 8 equally promotes the locking tooth 24 of ratchet 2 close to the gear tooth portions of parking gear 1, when the locking tooth 24 and park tooth of ratchet 2
After the tooth contact of wheel 1, rocking arm 7 just can not be rotated further, will band now because motor does not turn to the angle specified
Moving cam plate 6 is rotated further, and driving torsion spring 53 just continues to be compressed, and turns to the bottom of parking lock groove 62 of lobe plate 6 always
When being contacted with the roller 91 of leaf spring 9, synchronously, executing agency has gone to the angle of setting and powered off, due to the roller 91 of leaf spring 9
Moment of torsion caused by lobe plate 6 is compressed more than elastic component to pull bar and the reaction torque of lobe plate 6, so when executing agency breaks
Whole parking system remains to be maintained at pre- parked state as depicted after electricity, is produced by the roller 91 of leaf spring 9 compresses lobe plate 6
Raw moment of torsion is more than the reaction torque that driving torsion spring 53 compresses the spacer pin 64 of lobe plate 6, so whole after motor powers off
Parking system and the component of rocking arm 7 remain to be maintained at pre- parked state as shown in Figure 2, because driving torsion spring 53 is in compression shape
State, if landslide phenomenon occurs for vehicle, wheel can drive parking gear 1 to rotate, when the lock groove 14 of parking gear 1 turns to face
During 24 position of locking tooth of ratchet 2, rocking arm 7 may proceed to promote ratchet 2 to rotate and protrude out into locking under the thrust of spring
In lock groove 14, whole parking system has just reached parked state as shown in Figure 3, so as to ensure that it is sliding over long distances that vehicle will not continue to
Slope.
When vehicle launch need unblock when, after executing agency receives the instruction that controller is sent, drive lobe plate 6 to
Opposite direction rotates during parking, and synchronously, the spacer pin 64 of lobe plate 6 promotes rocking arm 7 to rotate, and roller bearing 8 is left spine
Pawl parking confined planes 23 and rolled to the non-parking confined planes 21 of ratchet, the locking tooth 24 of ratchet 2 is left in the presence of torsion spring 3 stays
The lock groove 14 of skiving wheel 1, stop when lobe plate 6 is continued to rotate to when the non-bottom of parking lock groove 63 contacts with the roller 91 of leaf spring 9
Rotation stop is moved, and P gear halting mechanisms return to non-parked state as shown in Figure 1.
P gear halting mechanisms according to embodiments of the present invention, simple in construction, part shape is simple, and parking reliability is high.
The invention also discloses a kind of vehicle.
Vehicle according to embodiments of the present invention has the P gear halting mechanisms of any of the above-described kind of embodiment.According to of the invention real
The vehicle parking reliability for applying example is high.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (17)
1. a kind of P keeps off halting mechanism, it is characterised in that including：
Housing；
Parking gear；
Ratchet, the ratchet may be pivotally mounted in the housing, and under non-parked state with the parking gear interval
Open；
Rocker arm assembly, the Rocker arm assembly include rocking arm and the roller bearing being installed on the rocking arm, and the roller bearing stops
To the ratchet；
Executing agency, the executing agency be used to drive the rocking arm to rotate so that the roller bearing along the ratchet roll with
Drive the pawl rotation.
2. P according to claim 1 keeps off halting mechanism, it is characterised in that one end of the rocking arm is provided with axis hole, the other end
Provided with cylindrical pin, the rocking arm be may be pivotally mounted in the housing by the axis hole, and the roller bearing is sheathed on
Outside the cylindrical pin, and it is interference fitted with the cylindrical pin.
3. P according to claim 1 keeps off halting mechanism, it is characterised in that also includes：
Drive shaft, the drive shaft are connected with executing agency's power coupling；
Lobe plate, the lobe plate are fixedly connected with the drive shaft, and the lobe plate is used to drive the rocking arm to rotate.
4. P according to claim 3 keeps off halting mechanism, it is characterised in that also includes：Leaf spring, the leaf spring and the shell
Body is fixedly connected, and the leaf spring is provided with roller, and the periphery of the lobe plate is along provided with the parking for being suitable to coordinate with the roller
Lock groove and non-parking lock groove.
5. P according to claim 4 keeps off halting mechanism, it is characterised in that the periphery edge of the lobe plate is circular arc, and
The center of circle is located on the axis of the drive shaft.
6. P according to claim 4 keeps off halting mechanism, it is characterised in that the parking lock groove and the non-parking lock
Only groove is V-arrangement.
7. P according to claim 3 keeps off halting mechanism, it is characterised in that also includes：Drive torsion spring, the driving torsion spring
It is sheathed on outside the drive shaft, the lobe plate is provided with spacer pin, and the spacer pin is located on the rotation path of the rocking arm, institute
The positive stop end for stating driving torsion spring compresses the elastic away from the side of the rocking arm, the effect end of the driving torsion spring of the spacer pin
Compress the rocking arm away from the side of the spacer pin.
8. P according to claim 3 keeps off halting mechanism, it is characterised in that the rocking arm and the drive shaft are pivotly
Connection.
9. P according to claim 8 keeps off halting mechanism, it is characterised in that one end of the rocking arm is provided with axis hole, and passes through
The shaft hole sleeve coordinates outside the drive shaft, and with the driving shaft clearance.
10. P according to claim 8 keeps off halting mechanism, it is characterised in that the axis of the drive shaft, the park tooth
The axis of wheel, the pivot axis of the ratchet are parallel.
11. the P gear halting mechanisms according to any one of claim 1-10, it is characterised in that the ratchet has ratchet
Working face, the ratchet working face include the non-parking confined planes of ratchet, ratchet parking confined planes, the non-parking confined planes of ratchet
Distance to the parking gear is less than the ratchet parking confined planes to the distance of the parking gear；
Under non-parked state, the roller bearing only supports the non-parking confined planes of the ratchet, under parked state, the roller
Bearing only supports the ratchet parking confined planes.
12. P according to claim 11 keeps off halting mechanism, it is characterised in that it is pre- that the ratchet working face also includes ratchet
Parking confined planes, the non-parking confined planes of the ratchet, the pre- parking confined planes of ratchet, ratchet parking confined planes pivot along close to ratchet
Axis is sequentially connected, and the distance of the non-parking confined planes of ratchet to the parking gear is less than the pre- parking confined planes of the ratchet
To the distance of the parking gear, under pre- parked state, the roller bearing only supports the pre- parking confined planes of the ratchet.
13. P according to claim 12 keeps off halting mechanism, it is characterised in that the pre- parking confined planes of ratchet relative to
The non-parking confined planes of ratchet tilt towards away from the direction of the parking gear, and the ratchet parking confined planes are relative to described
The pre- parking confined planes of ratchet tilt towards close to the direction of the parking gear.
14. the P gear halting mechanisms according to any one of claim 1-10, it is characterised in that also include：Return unit, institute
State return unit with the ratchet to be connected, so that the ratchet is spaced apart with the parking gear under normal conditions.
15. P according to claim 14 keeps off halting mechanism, it is characterised in that the return unit includes torsion spring, the torsion spring
Ratchet pivotal axis is sheathed on, the positive stop end of the torsion spring compresses the housing, and the effect end elasticity of the torsion spring compresses the spine
Pawl.
16. the P gear halting mechanisms according to any one of claim 1-10, it is characterised in that the executing agency is electricity
Dynamic formula or hand.
17. a kind of vehicle, it is characterised in that there is the P gear halting mechanisms as any one of claim 1-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994807.5A CN107725766A (en) | 2017-10-23 | 2017-10-23 | P keeps off parking mechanism and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710994807.5A CN107725766A (en) | 2017-10-23 | 2017-10-23 | P keeps off parking mechanism and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725766A true CN107725766A (en) | 2018-02-23 |
Family
ID=61213278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710994807.5A Pending CN107725766A (en) | 2017-10-23 | 2017-10-23 | P keeps off parking mechanism and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725766A (en) |
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| CN109114219A (en) * | 2018-10-24 | 2019-01-01 | 湖南力驰新能源科技有限公司 | A kind of vehicle gearbox |
| CN110529590A (en) * | 2018-05-25 | 2019-12-03 | 舍弗勒技术股份两合公司 | parking lock |
| CN113958707A (en) * | 2020-07-20 | 2022-01-21 | 上海汽车集团股份有限公司 | Automatically controlled P keeps off parking device and car |
| CN115123168A (en) * | 2022-06-30 | 2022-09-30 | 上海凯众材料科技股份有限公司 | Electromechanical brake locking mechanism and use method thereof |
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| CN110529590B (en) * | 2018-05-25 | 2022-08-02 | 舍弗勒技术股份两合公司 | Parking lock |
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| CN113958707A (en) * | 2020-07-20 | 2022-01-21 | 上海汽车集团股份有限公司 | Automatically controlled P keeps off parking device and car |
| CN113958707B (en) * | 2020-07-20 | 2023-04-07 | 上海汽车集团股份有限公司 | Automatically controlled P keeps off parking device and car |
| CN115123168A (en) * | 2022-06-30 | 2022-09-30 | 上海凯众材料科技股份有限公司 | Electromechanical brake locking mechanism and use method thereof |
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