CN107477178A - Halting mechanism - Google Patents
Halting mechanism Download PDFInfo
- Publication number
- CN107477178A CN107477178A CN201710625618.0A CN201710625618A CN107477178A CN 107477178 A CN107477178 A CN 107477178A CN 201710625618 A CN201710625618 A CN 201710625618A CN 107477178 A CN107477178 A CN 107477178A
- Authority
- CN
- China
- Prior art keywords
- closing piece
- block
- park pawl
- halting mechanism
- spigot surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
Abstract
The invention discloses a kind of halting mechanism.The halting mechanism includes：Housing；Parking gear, lock groove is provided with parking gear；Park pawl, park pawl have the locking projection for being suitable to coordinate with lock groove, and park pawl is rotatably arranged on housing；First elastic device, the first elastic device elasticity compress park pawl；Block, block is fixed on housing and neighbouring park pawl；Closing piece, closing piece is entered between block and park pawl by rotating manner or left between block and park pawl, the raised locking that is suitable to of the locking of park pawl coordinates in lock groove after closing piece is entered between block and park pawl, and park pawl is resisted against on block under the driving of the first elastic device after closing piece is left between block and park pawl and locking projection separates with lock groove.According to the halting mechanism of the present invention, simple in construction, compact, required arrangement space is small, and part shape is simple, and required precision is low, easy to process, and parking reliability is high.
Description
Technical field
The present invention relates to automotive field, in particular to a kind of halting mechanism.
Background technology
The existing usual structure of halting mechanism is more complicated, higher to requirement on machining accuracy, and production cost is high, reliability
It is low, and easily there is the problems such as being unable to lock-off during vehicle launch.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem of the prior art to a certain extent.Therefore, this hair
It is bright to propose a kind of halting mechanism, simple in construction and parking reliability height.
Halting mechanism according to embodiments of the present invention includes：Housing；Parking gear, locking is provided with the parking gear
Groove；Park pawl, the park pawl have suitable for raised with the locking of lock groove cooperation, and the park pawl is rotatable
Ground is set on the housing；First elastic device, the first elastic device elasticity compress the park pawl；Block, institute
Block is stated to fix on the housing and adjacent to the park pawl；Closing piece, the closing piece are entered described by rotating manner
Left between block and the park pawl or between the block and the park pawl, institute is entered in the closing piece
The raised locking that is suitable to of the locking of the park pawl coordinates in the lock groove after stating between block and the park pawl,
Driving of the park pawl in first elastic device after the closing piece is left between the block and the park pawl
Under be resisted against on the block and the locking is raised is separated with the lock groove.
Halting mechanism according to embodiments of the present invention, simple in construction, compact, required arrangement space is small, and part shape is simple,
Required precision is low, easy to process, and parking reliability is high.
It is convex that backstop is provided with according to some embodiments of the present invention, on the side of the direction block of the park pawl
Rise, it is spacing on the block that the stopper protrusion is suitable to the backstop under the elastic force of first elastic device.
According to some embodiments of the present invention, block spigot surface is provided with the block, is rotated into the closing piece
The block is the block spigot surface with the surface construction for taking the lead in contacting with the block during the park pawl.
According to some embodiments of the present invention, ratchet spigot surface is provided with the park pawl, is rotated in the closing piece
With the surface construction for taking the lead in contacting with the park pawl during the park pawl it is the ratchet spigot surface into the block.
According to some embodiments of the present invention, block spigot surface is provided with the block, is set in the park pawl
Have a ratchet spigot surface, the distance of the block spigot surface and the ratchet spigot surface the closing piece enter the block with it is described
Taper off trend on the approach axis of park pawl.
Further, the block spigot surface and the ratchet spigot surface are inclined-plane.
Alternatively, there is the closing piece closing piece to enter portion, the closing piece enter portion be suitable to clamping coordinate the block with
Between the park pawl, the closing piece enters portion and is suitable for slipping into the block and the parking spine for the wedge shape of gradient thickness
Between pawl.
According to some embodiments of the present invention, the halting mechanism also includes：Drive shaft, the closing piece are enclosed on the driving
Coordinate on axle and with the driving shaft clearance, be fixedly installed driving baffle plate in the drive shaft, the driving baffle plate with it is described
Closing piece face face counter stopper, the driving baffle plate follow with drive shaft rotation and closing piece of the actuating sleeve in the drive shaft
Rotate；
Second elastic device, second elastic device are resiliently arranged between the driving baffle plate and the closing piece simultaneously
Apply to the closing piece for making the closing piece keep the elastic force with driving baffle-panels face counter stopper.
Alternatively, second elastic device is：Torsion spring, the torsion spring set is in the drive shaft；
The driving baffle plate includes：Fixed plate portion and driving plate portion, the fixed plate portion are fixed in the drive shaft, institute
State one end that driving plate portion is connected to the fixed plate portion；
The closing piece includes：Closing piece socket part and closing piece enter portion, and the closing piece socket part is enclosed in the drive shaft, institute
The winder of torsion spring is stated between the fixed plate portion and the closing piece socket part, the first end elasticity of the torsion spring compresses institute
State driving baffle plate and the second end elasticity compresses the closing piece, the driving plate portion and one of side of the closing piece socket part
Face face abuts.
According to some embodiments of the present invention, the halting mechanism also includes：Motor, the motor and the drive shaft it
Between be provided with worm-and-wheel gear.
Brief description of the drawings
Fig. 1 is front schematic view of the halting mechanism in lockup state；
Fig. 2 is partial schematic diagram of the halting mechanism in lockup state；
Fig. 3 is front schematic view of the halting mechanism in released state；
Fig. 4 is partial schematic diagram of the halting mechanism in released state；
Fig. 5 is the raised cooperation schematic diagram with lock groove of locking；
Fig. 6 is schematic rear view of the halting mechanism in released state；
Fig. 7 is closing piece, drive shaft, driving baffle plate, the assembling schematic diagram of the second elastic device；
Fig. 8 is Fig. 7 left view；
Fig. 9 is the side view of closing piece.
Reference：
Halting mechanism 100, parking gear 1, lock groove 11, park pawl 2, locking projection 21, stopper protrusion 22, ratchet are led
Enter portion 51, closing piece socket part 52, driving to face 23, the first elastic device 3, block 4, block spigot surface 41, closing piece 5, closing piece
Axle 6, driving baffle plate 7, fixed plate portion 71, driving plate portion 72, the second elastic device (torsion spring) 8, motor 9, worm-and-wheel gear 10,
Axle 20, bolt 30.
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, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected by intermediary, can
To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Halting mechanism 100 according to embodiments of the present invention is described in detail with reference to Fig. 1-Fig. 9.
Shown in reference picture 1, Fig. 3, Fig. 6, halting mechanism 100 according to embodiments of the present invention can include housing, park tooth
Wheel 1, park pawl 2, the first elastic device 3, block 4, closing piece 5.Wherein, housing can be the housing of itself of halting mechanism 100,
It can also be the housing of speed changer such as decelerator, or the fixed seat or fixed block being fixedly connected on the housing of decelerator.
Parking gear 1 is fixed by way of spline or interference fit with reducer input shaft or jackshaft or output shaft
Connection, thereby guarantees that parking gear 1 being capable of synchronous axial system when reducer input shaft or jackshaft or output shaft rotation.Reference
Shown in Fig. 5, lock groove 11 is provided with parking gear 1, park pawl 2 has the locking for being suitable to coordinate with lock groove 11 raised
21, when locking projection 21 engages with lock groove 11, vehicle is in parked state, can prevent vehicle anti-slide, so as to lift car
Security performance, when locking projection 21 separated with lock groove 11 when, vehicle is in released state, to ensure that vehicle can be normal
Traveling.Park pawl 2 is rotatably arranged on housing, and specifically, park pawl 2 is by circular hole and is positioned on housing
The gap of axle 20 coordinates, and park pawl 2 can freely rotate on axle 20.
One end elasticity of first elastic device 3 compresses housing, and the other end elasticity of the first elastic device 3 compresses park pawl
2, as shown in Figure 1, Figure 3, torque direction caused by the first elastic device 3 is to make park pawl 2 to the direction for departing from parking gear 1
Swing, thereby guarantee that in the unlocked state, park pawl 2 will not engage with parking gear 1.
Block 4 is fixed on housing, and block 4 is adjacent to park pawl 2, closing piece 5 by rotating manner enter block 4 with
Leave between park pawl 2 or between block 4 and park pawl 2, entered in closing piece 5 between block 4 and park pawl 2
Afterwards, the locking projection 21 of park pawl 2 is suitable to locking cooperation in lock groove 11, and vehicle is in parking lock state.In closing piece 5
After leaving between block 4 and park pawl 2, park pawl 2 is resisted against on block 4 under the driving of the first elastic device 3, and is locked
Only projection 21 separates with lock groove 11, and vehicle is in released state.
Shown in reference picture 5, two sides of lock groove 11 are in small angle, thus, when closing piece 5 leaves block 4 and parking
After between ratchet 2, park pawl 2 departs from parking gear under the radial component effect of lock groove 11 and raised 21 contact forces of locking
1 lock groove 11, park pawl 2 will not be stuck in the lock groove 11 of parking gear 1 after being further ensured that unblock with this.
The structure of block 4 and closing piece 5 is simple, and stressing conditions are good, it is not necessary to which possessing good intensity and precision can be with guarantor
Vehicle parking lock and vehicle unblock are demonstrate,proved, halting mechanism 100 is thus reduced to part material and the high request of processing technology, has
Beneficial to reducing cost.
Block 4 is fixed on housing by bolt 30, and the plane that block 4 contacts with closing piece 5 and park pawl 2 is positioning
Spacing park pawl 2 is played a part of in face, in the unlocked state, locating surface, prevent park pawl 2 deviate correct position, in
Under car lockup state, locating surface plays a part of bearing parking gear 1 to thrust caused by park pawl 2.
Halting mechanism 100 according to embodiments of the present invention, simple in construction, compact, required arrangement space is small, can reduce
The appearance profile and quality of fast device assembly.In addition, part shape is simple, required precision is low, easy to process, and parking reliability is high.
In some embodiments of the invention, park pawl 2 towards being provided with stopper protrusion 22 on the side of block 4,
Stopper protrusion 22 be suitable under the elastic force of the first elastic device 3 backstop it is spacing on block 4, as shown in Figure 4.
In some embodiments of the invention, block spigot surface 41 is provided with block 4, block 4 is rotated into closing piece 5
With during park pawl 2, the surface construction for taking the lead in contacting with closing piece 5 on block 4 is block spigot surface 41, as shown in Figure 2.
In some embodiments of the invention, ratchet spigot surface 23 is provided with park pawl 2, is rotated into closing piece 5
During block 4 and park pawl 2, the surface construction for taking the lead in contacting with closing piece 5 in park pawl 2 is ratchet spigot surface 23, such as Fig. 2 institutes
Show, by setting block spigot surface 41 and ratchet spigot surface 23, facilitate closing piece 5 enter between block 4 and park pawl 2 or from
Left between block 4 and park pawl 2.Meanwhile closing piece 5 promotes park pawl 2 to rotate by promoting ratchet spigot surface 23.
In some embodiments of the invention, the distance of block spigot surface 41 and ratchet spigot surface 23 enters in closing piece 5 keeps off
Block 4 and the trend that tapered off on the approach axis of park pawl 2.With reference to Fig. 3 specifically, block spigot surface 41 and ratchet spigot surface
23 distance tapers off trend on direction from top to bottom.
Further, block spigot surface 41 and ratchet spigot surface 23 are inclined-plane, such as are tapered plane, are thus advantageous to
Simplify processing technology, reduce machining period.
Alternatively, there is closing piece 5 closing piece to enter portion 51, and closing piece enters portion 51 and is suitable to clamping cooperation in block 4 and parking spine
Between pawl 2, closing piece enters portion 51 and is suitable for slipping between block 4 and park pawl 2 for the wedge shape of gradient thickness, the wedge of closing piece 5
Shape structure is as shown in figure 9, in other words, closing piece enters the size in portion 51 along the direction from close to drive shaft 6 to away from drive shaft 6
Taper off trend.In addition, when vehicle needs unblock, wedge-shaped closing piece can be suitable under the thrust of block 4 into portion 51
Profit abjection lock position, the moment of torsion needed when being unlocked with reducing.
In some embodiments of the invention, shown in reference picture 7, halting mechanism 100 can also include drive shaft 6 and second
Elastic device 8, wherein, closing piece 5 is enclosed in drive shaft 6, and closing piece 5 coordinates with the gap of drive shaft 6, is fixedly installed in drive shaft 6
There are driving baffle plate 7, driving baffle plate 7 and the face face counter stopper of closing piece 5, driving baffle plate 7 is driving with the rotation of drive shaft 6 and actuating sleeve
Closing piece 5 on axle 6 follows rotation, and the second elastic device 8 is resiliently arranged between driving baffle plate 7 and closing piece 5, and the second bullet
Property device 8 can apply to closing piece 5 for make closing piece 5 keep with driving the face face counter stopper of baffle plate 7 elastic force.
Alternatively, the second elastic device 8 is torsion spring 8, and torsion spring 8 is enclosed in drive shaft 6.
Shown in reference picture 7, driving baffle plate 7 can include fixed plate portion 71 and driving plate portion 72, and fixed plate portion 71 is fixed on
In drive shaft 6, driving plate portion 72 is connected to one end of fixed plate portion 71.Alternatively, fixed plate portion 71 is using welding procedure and drive
Moving axis 6 is fixedly linked, and the simple to operate and fixed effect of welding is preferable, advantageously ensures that driving baffle plate 7 with the synchronous axial system of drive shaft 6
Motion credibility.
Shown in reference picture 8, closing piece 5 can include closing piece socket part 52 and closing piece enters portion 51, and closing piece socket part 52 is enclosed on
Can be that gap coordinates in drive shaft 6, between closing piece socket part 52 and drive shaft 6, so, closing piece 5 can turn in drive shaft 6
Dynamic, closing piece socket part 52 is spacing by driving plate portion 72 to carry out, to ensure the relative position between closing piece 5 and driving baffle plate 7 just
It is really errorless.
Further, the winder of torsion spring 8 is located between fixed plate portion 71 and closing piece socket part 52, the first end of torsion spring 8
Elasticity compresses driving baffle plate 7, and the second end elasticity of torsion spring 8 compresses closing piece 5, and driving plate portion 72 and closing piece socket part 52 are wherein
One side face face abuts.Specifically, drive plate portion 72 and the contact surface of closing piece socket part 52 to be configured to plane, thus, drive
Dynamic plate portion 72 can be that closing piece socket part 52 provides good location, and can promote closing piece socket part 52 easily, to ensure to drive
The dynamic reliability that transmission is moved between plate portion 72 and closing piece socket part 52.When drive shaft 6 rotates, synchronization occurs for driving baffle plate 7
Rotate, now drive plate portion 72 to promote closing piece socket part 52, so that synchronous axial system occurs for closing piece socket part 52.When drive shaft 6 to
When opposite direction is turned round, under the elastic force effect of torsion spring 8, driving baffle plate 7 is bonded with the face face of closing piece socket part 52 all the time, so as to ensure
Closing piece 5 moves with driving baffle plate 7 timing synchronization.
In some embodiments of the invention, halting mechanism 100 can also include motor 9, between motor 9 and drive shaft 6
It is provided with worm-and-wheel gear 10.Worm-and-wheel gear 10 has deceleration, and has reverse self-locking function.Drive shaft 6
One end (such as right-hand member in Fig. 1) is connected by spline or yi word pattern key with worm-and-wheel gear 10, to ensure that drive shaft 6 can be with
With the synchronous axial system of worm-and-wheel gear 10.The other end (such as left end in Fig. 1) of drive shaft 6 is supported on the axis hole on housing
In, under the driving of motor 9, drive shaft 6 can rotate.
When normal vehicle operation, motor 9 is instructed by receiving controller, and drive shaft is driven by worm-and-wheel gear 10
6 are in off-gear angle, and are kept by the auto-lock function of worm-and-wheel gear 10 in this position.It is fixed thereto in drive shaft 6
Driving baffle plate 7 promote closing piece 5, make closing piece 5 be in away from park pawl 2 position, park pawl 2 is in the first elastic device 3
Elastic force effect it is lower in the position for departing from parking gear 1, and the backstop of stopper protrusion 22 of park pawl 2 is spacing in block 4
On, state is as shown in Fig. 3, Fig. 6.
When vehicle remains static and needs parking, after motor 9 receives the instruction that controller is sent, pass through worm gear snail
Linkage 10 drives drive shaft 6 to rotate indirectly, and drive shaft 6 is by driving baffle plate 7 to promote and compressing the second elastic device 8, and second
Elastic device 8 promotes closing piece 5 to rotate, and closing piece 5 promotes park pawl 2 and parking by the ratchet spigot surface 23 in park pawl 2
Gear 1 engages, if now the lock groove 11 of parking gear 1 is narrowly focused towards the locking projection 21 in park pawl 2, closing piece 5 is just
The locking projection 21 of park pawl 2 can be promoted in the lock groove 11 of parking gear 1, final closing piece 5 moves to park pawl 2
With the position between block 4, as Figure 1-Figure 2.If the lock groove 11 of parking gear 1 is not aligned with the lock in park pawl 2
Only projection 21, then closing piece 5 just can not move between park pawl 2 and block 4, now because the second elastic device 8 is located all the time
In Pre strained state, if vehicle has slip so that the lock groove 11 of parking gear 1 turns to the locking projection 21 of park pawl 2
To locate, then closing piece 5 promotes park pawl 2 to swing, and locking projection 21 is entered in lock groove 11, and thus, vehicle is in parked state,
Vehicle anti-slide can be effectively prevented, ensures parking safety.
When vehicle needs to release P gear parked states, motor 9 rotates and drives drive shaft 6 by worm-and-wheel gear 10
Rotate, drive shaft 6 promotes closing piece 5 to rotate by driving baffle plate 7 fixed thereto, make closing piece 5 from block 4 and park pawl 2 it
Between leave, park pawl 2 departs from lock groove 11 under the thrust of the lock groove 11 of parking gear 1, and in the first elastic device 3
In the presence of keep this released state.
It is pointed out that the halting mechanism 100 of the present invention both can apply to pure electric automobile decelerator, again can be with
Applied to gasoline car automatic transmission.In addition put into gear parking or unblock can be carried out manually by way of bracing wire or pull bar
Instead of automatic parking or unblock.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the feature for combining the embodiment or example description
It is contained at least one embodiment or example of the present invention.In this manual, need not to the schematic representation of above-mentioned term
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.In addition, those skilled in the art can illustrate this
Different embodiments or example described in book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. halting mechanism, it is characterised in that including：Housing；Parking gear, lock groove is provided with the parking gear；Park pawl, the park pawl have the locking projection for being suitable to coordinate with the lock groove, and the park pawl can turn Set dynamicly on the housing；First elastic device, the first elastic device elasticity compress the park pawl；Block, the block are fixed on the housing and adjacent to the park pawl；Closing piece, the closing piece entered by rotating manner between the block and the park pawl or from the block with Left between the park pawl,The locking of the park pawl is raised after the closing piece is entered between the block and the park pawl is suitable to lock Only coordinate in the lock groove,The park pawl is in first elastic device after the closing piece is left between the block and the park pawl Driving under be resisted against on the block and the locking is raised is separated with the lock groove.
- 2. halting mechanism according to claim 1, it is characterised in that the side of the direction block of the park pawl On be provided with stopper protrusion, it is spacing in the block that the stopper protrusion is suitable to the backstop under the elastic force of first elastic device On.
- 3. halting mechanism according to claim 1, it is characterised in that block spigot surface is provided with the block, in institute It is the block to state closing piece and be rotated into the block with the surface construction for taking the lead in contacting with the block during the park pawl Spigot surface.
- 4. halting mechanism according to claim 1, it is characterised in that ratchet spigot surface is provided with the park pawl, The closing piece be rotated into the block with taken the lead in during the park pawl be with the surface construction that the park pawl contacts The ratchet spigot surface.
- 5. halting mechanism according to claim 1, it is characterised in that block spigot surface is provided with the block, it is described Ratchet spigot surface is provided with park pawl, the distance of the block spigot surface and the ratchet spigot surface enters in the closing piece The block and the trend that tapered off on the approach axis of the park pawl.
- 6. halting mechanism according to claim 5, it is characterised in that the block spigot surface and the ratchet spigot surface are equal For inclined-plane.
- 7. halting mechanism according to claim 1, it is characterised in that there is the closing piece closing piece to enter portion, the closing piece It is suitable to clamping into portion to coordinate between the block and the park pawl, the closing piece enters the wedge shape that portion is gradient thickness It is suitable for slipping between the block and the park pawl.
- 8. halting mechanism according to claim 1, it is characterised in that also include：Drive shaft, the closing piece are enclosed on the drive Coordinate on moving axis and with the driving shaft clearance, driving baffle plate, the driving baffle plate and institute are fixedly installed in the drive shaft State closing piece face face counter stopper, the driving baffle plate with drive shaft rotation and closing piece of the actuating sleeve in the drive shaft with With rotation；Second elastic device, second elastic device are resiliently arranged between the driving baffle plate and the closing piece and to institute Closing piece is stated to apply for making the closing piece keep the elastic force with driving baffle-panels face counter stopper.
- 9. halting mechanism according to claim 8, it is characterised in that second elastic device is：Torsion spring, the torsion spring It is enclosed in the drive shaft；The driving baffle plate includes：Fixed plate portion and driving plate portion, the fixed plate portion are fixed in the drive shaft, the drive Dynamic plate portion is connected to one end of the fixed plate portion；The closing piece includes：Closing piece socket part and closing piece enter portion, and the closing piece socket part is enclosed in the drive shaft, the torsion For the winder of spring between the fixed plate portion and the closing piece socket part, the first end elasticity of the torsion spring compresses the drive Dynamic baffle plate and the second end elasticity compress the closing piece, the driving plate portion and one of side face face of the closing piece socket part Abut.
- 10. halting mechanism according to claim 8, it is characterised in that also include：Motor, the motor and the driving Worm-and-wheel gear is provided between axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625618.0A CN107477178A (en) | 2017-07-27 | 2017-07-27 | Halting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625618.0A CN107477178A (en) | 2017-07-27 | 2017-07-27 | Halting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477178A true CN107477178A (en) | 2017-12-15 |
Family
ID=60598402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625618.0A Pending CN107477178A (en) | 2017-07-27 | 2017-07-27 | Halting mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN107477178A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020108699A1 (en) * | 2018-11-26 | 2020-06-04 | Schaeffler Technologies AG & Co. KG | Parking lock for a motor vehicle |
| CN115264056A (en) * | 2022-07-22 | 2022-11-01 | 重庆青山工业有限责任公司 | Transmission parking actuating mechanism |
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| CN106763730A (en) * | 2017-03-20 | 2017-05-31 | 中汽研（天津）汽车工程研究院有限公司 | A kind of halting mechanism of electric automobile |
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| CN111771073A (en) * | 2018-11-26 | 2020-10-13 | 舍弗勒技术股份两合公司 | Parking brake for a motor vehicle |
| CN115264056A (en) * | 2022-07-22 | 2022-11-01 | 重庆青山工业有限责任公司 | Transmission parking actuating mechanism |
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