CN206067495U - For the multiple field parking system of pure electric vehicle - Google Patents
For the multiple field parking system of pure electric vehicle Download PDFInfo
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- CN206067495U CN206067495U CN201621087673.6U CN201621087673U CN206067495U CN 206067495 U CN206067495 U CN 206067495U CN 201621087673 U CN201621087673 U CN 201621087673U CN 206067495 U CN206067495 U CN 206067495U
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- ratchet
- boss
- parking
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Abstract
The utility model discloses a kind of multiple field parking system for pure electric vehicle, including housing, ratchet, ratchet, pawl axis, torsion spring, cam disc, actuator and drive shaft；Ratchet is remained in the rotary shaft of power transmission with wheel in being fixedly installed at variator；Pawl axis are not coaxially arranged on housing with drive shaft；Cam disc is rotatably arranged in drive shaft；Actuator is fixed on the driving shaft；Ratchet is rotatably arranged on pawl axis；Drive shaft positive and negative rotation, actuator can be driven with drive shaft positive and negative rotation, actuator and then driving cam coiling drive shaft positive and negative rotation, cam disc further drives ratchet to be rotated around pawl axis anyway, ratchet is made parking to be engaged with ratchet or departs from unblock, torsion spring pretension is arranged on pawl axis, there is provided the elastic force that a promotion ratchet is rotated to unlocking direction.The each mechanism of this utility model parking system adopts multi-tier arrangement, can significantly reduce the radial dimension of parking system, and be conducive to the installation and maintenance of parking system.
Description
Technical field
This utility model is related to vehicle drive system technology, and more particularly to a kind of multiple field for pure electric vehicle is stayed
Car system.
Background technology
In conventional fuel combustion vehicle, parking system is generally integrated in inside variator, this be as engine efficiency is relatively low,
In order to preferably play the dynamic property and economy of electromotor, it usually needs more gear, so that transmission shaft is to length
Degree is longer, simultaneously because engine shaft is sent out to longer dimension in order to the power assembly that electromotor and variator are constituted is arranged in
Dynamic engine room inside, has strict restriction to the axial length of power assembly, and to the radial dimension of requirement such as width and height
It is relatively low.
But in pure electric vehicle, as motor length and diameter are far smaller than electromotor, and due to electric efficiency it is remote
Higher than electromotor, thus the gear of variator is required it is relatively low, then it is less demanding in the case of can even adopt only one
The variator of individual gear replaces variator, thus requirement of the electric power assembly being made up of motor and variator to axial length compared with
It is low.But, as electric machine controller is far longer than engine controller, and electric machine controller is arranged in electricity under normal conditions
It is above machine therefore higher to the radial dimension requirement of electric power assembly.
Due to the difference in the power assembly structure of pure electric vehicle electric power assembly and conventional fuel-engined vehicle, cause dynamic
Difference of the power assembly to the requirement of size in all directions, and control device is led in the parking system in conventional fuel-engined vehicle
Ratchet side is arranged in often, so that parking system has less axial length and larger radial dimension, this is obviously not
Meet the requirement of pure electric vehicle electric power assembly.
The content of the invention
The structure for being directed to current variator parking system is not suitable for pure electric vehicle, and this utility model provides a kind of
For the multiple field parking system of pure electric vehicle.
What the technical solution of the utility model was realized in：
A kind of multiple field parking system for pure electric vehicle, including it is housing, ratchet, ratchet, pawl axis, torsion spring, convex
Wheel disc, actuator and drive shaft；The ratchet remains the rotation of power transmission with wheel in being fixedly installed at variator
On axle；The pawl axis are not coaxially arranged on the housing with the drive shaft；The cam disc is rotatably arranged in institute
State in drive shaft；The actuator is fixed in the drive shaft；The ratchet is rotatably arranged on the pawl axis；Institute
Drive shaft positive and negative rotation is stated, the actuator can be driven with the drive shaft positive and negative rotation, the actuator further drives described
Cam disc is further driven the ratchet to be rotated around the pawl axis anyway, is made around the drive shaft positive and negative rotation, the cam disc
The ratchet is engaged parking or departs from unblock with the ratchet, and the torsion spring pretension is arranged on the pawl axis, there is provided one pushes away
Move the elastic force that the ratchet is rotated to unlocking direction.
Further, the ratchet the week side of boss is disposed with some teeth groove, and the ratchet includes body, near which on the body
One end is formed with parking swing arm to side extension, and the parking swing arm end is formed with parking boss；Near which on the body
The other end extends park pawl and the release boss for being formed with that interval is stacked with the parking swing arm homonymy, along the pawl axis axle
To the release boss is located at differing heights layer with the park pawl, and the cam disc, the parking boss, the unblock are convex
Platform is located at identical height layer, and the ratchet is located at identical height layer with the park pawl；During parking, the cam disc is driven forward
The parking boss drives the body reversion, makes the park pawl snap in the teeth groove of the ratchet；During unblock, the cam disc
Being driven reverse the release boss drives the body to rotate forward, and makes the park pawl depart from the teeth groove of the ratchet.
Further, the body includes body A, body B and body C, the park pawl and body C one into
Type, the release boss are integrally formed with the body A, and the parking swing arm is integrally formed with the body B, the body A,
The body B is locked on the body C by securing member, is formed with hole B, is formed with hole on the body C on the body B
Be stacked concentric with the hole B of A, the hole A constitutes the hole.
Further, the cam disc include articulated section and sector cam part, be formed with the middle part of the articulated section for
Axis hole of the turning set in the drive shaft, the fan-shaped inner edge of the cam part are connected with the articulated section, the cam part
Fan-shaped outer rim on be sequentially formed with face of cylinder A and face of cylinder B, the radial height of the face of cylinder A is less than the face of cylinder B's
Radial height, transition between the face of cylinder A and the face of cylinder B are connected with climbing face, the face of cylinder B dorsad cylinders
It is domatic that the side of face A is formed with chamfering；The actuator drives two fan-shaped lateral margins of the cam part, makes the cam disc around institute
Drive shaft positive and negative rotation is stated, during parking, the climbing face drives the parking boss to drive the body reversion, makes the parking
Pawl snaps in the teeth groove of the ratchet；During unblock, the chamfering is domatic to drive the release boss to drive the body to rotate forward, and makes institute
State the teeth groove that park pawl departs from the ratchet.
Further, the cam part corresponding with the face of cylinder B can cover the teeth groove of the ratchet.
Further, the cam part is formed with spring boss on the domatic fan-shaped lateral margin of the chamfering；The drive
Moving part include disk body, be formed at can be socketed in the drive shaft in the middle part of the disk body pin-and-hole, be formed at the disk body both sides
Two adjutages, the boss A for being formed at an adjutage end and the boss B of another adjutage end is formed at, the boss B, institute
State boss A differing heights layer is located at the disk body；Cam disc spring is connected between the boss B and the spring boss,
The boss A can drive makes the cam disc reversion near the fan-shaped lateral margin of the face of cylinder A.
Further, being connected with the housing prevents the cam disc beyond the limited block A of complete parking position and prevents
Only the cam disc exceeds the limited block B of complete unlocked position.
Further, being connected with the housing prevents the actuator beyond the limited block C of complete parking position and prevents
Only the actuator exceeds the limited block D of complete unlocked position.
Further, also include for detecting the sensor of the angle position of the drive shaft turns.
Further, the multiple field parking system is arranged in the outside of variator.
The beneficial effects of the utility model are：This utility model provides a kind of multiple field parking system for pure electric vehicle
System, as the release boss of ratchet, parking swing arm and park pawl be not in sustained height layer, ratchet uprightly can be arranged so that spine
Pawl in the unlocked state gravity action direction near ratchet rotating shaft, reduce gravity torque；And by the effect side at ratchet center
To the right side for being arranged in ratchet rotating shaft so that ratchet gravity torque direction further reduces ratchet to drive ratchet unlocking direction
Under vibration to the trend that ratchet is close.Due to ratchet, uprightly arrangement significantly reduces the gravity torque driving ratchet of ratchet to spine
The trend that wheel direction rotates, it is to avoid ratchet causes ratchet and ratchet non-essential contact to pawl wheel in vibration and caused
Premature wear.Due to parking system, each mechanism adopts multi-tier arrangement so that the actuator of parking system can be arranged in ratchet
Axis direction on, rather than be arranged in the radial direction of ratchet, significantly reduce the radial dimension of parking system, and due to
Parking system is arranged on the outside of variator, can be easy to the assembling and maintenance of parking system, and causes the identical parking system can be with
Match in similar vehicles, so as to improve the range of application of the multiple field parking system for pure electric vehicle, improve pure electronic
The safety of vehicle.
Description of the drawings
Fig. 1 is 1 structural decomposition diagram of this utility model multiple field parking system embodiment；
Fig. 2 is 1 structural representation of this utility model multiple field parking system embodiment；
Fig. 3 a are the structural representation at bright one visual angle of parking system convexity wheel disc of this multiple field；
Fig. 3 b are the structural representation at another visual angle of the bright parking system convexity wheel disc of this multiple field；
Fig. 4 a are one example structure schematic diagram of ratchet in this utility model multiple field parking system；
Fig. 4 b are another example structure schematic diagram of ratchet in this utility model multiple field parking system；
Fig. 5 is actuator structural representation in this utility model multiple field parking system；
Fig. 6 is 1 parked state structural representation of this utility model multiple field parking system embodiment；
Fig. 7 is 1 released state structural representation of this utility model multiple field parking system embodiment；
Fig. 8 is 2 structural representation of this utility model multiple field parking system embodiment；
Fig. 9 is 3 structural representation of this utility model multiple field parking system embodiment；
With reference to accompanying drawing, it is explained as follows：
1- housings, 101- limited block A, 102- limited block B, 2- ratchets, 3- ratchets, 301- bodies, 3011- body A,
3012- body B, 3013- body C, 3014 hole B, 3015- holes A, 302- parking swing arms, 303- parking boss, 304- park pawls,
305- release boss, 4- cam discs, 401- articulated sections, 4011- axis holes, 402- cam parts, 4021- faces of cylinder A, 4022- cylinders
Face B, 4023- climbing face, 4024- chamferings are domatic, 4025- spring boss, and 5- actuators, 501- disk bodies, 502- pin-and-holes, 503- prolong
Semi-girder, 504- boss A, 505- boss B, 6- drive shafts, 7- pawl axis, 8- rotary shafts, 9- torsion springs, 10- cam disc springs, 11-
Sensor, 12- bolts, 13- pins.
Specific embodiment
In order to be more clearly understood that technology contents of the present utility model, describe in detail especially exemplified by following examples, its mesh
Be only that and be best understood from content of the present utility model and unrestricted protection domain of the present utility model.
Embodiment 1
As depicted in figs. 1 and 2, a kind of multiple field parking system for pure electric vehicle, including housing 1, ratchet 2, spine
Pawl 3, pawl axis 7, torsion spring 9, cam disc 4, actuator 5 and drive shaft 6；The ratchet is fixedly installed in variator and wheel
Remain in the rotary shaft 8 of power transmission；The rotary shaft 8 of ratchet 2 can be arranged with 6 coaxial line of drive shaft, also can not coaxial cloth
Put.In the present embodiment, the rotary shaft 8 of ratchet 2 is arranged with 6 coaxial line of drive shaft.Support pawl axis 7 are disposed with housing 1 and are driven
The hole of axle 6, the pawl axis are not coaxially arranged on the housing with the drive shaft, and pawl axis one end is fixed on housing 1,
The other end is may be installed on case of transmission, and the ratchet is rotatably arranged on the pawl axis；The cam disc can turn
Dynamic is arranged in the drive shaft, and the actuator is fixed in the drive shaft；(rotating forward refers to the drive shaft positive and negative rotation
Rotate clockwise, reversion refer to rotate counterclockwise), the actuator can be driven with the drive shaft positive and negative rotation, the actuator
And then driving the cam disc around the drive shaft positive and negative rotation, the cam disc further drives the ratchet around the pawl axis
Anyway rotate, the ratchet parking is engaged with the ratchet or is departed from unblock, i.e. ratchet and there are two positions of parking and unblock,
When ratchet 3 is located at parking position, ratchet 3 blocks ratchet 2 and prevents ratchet 2 from rotating, so as to limit the movement of car load；Work as ratchet
3 be located at unlocked position when, ratchet 3 is not contacted with ratchet 2 so that ratchet normally can rotate；9 pretension of torsion spring is arranged on the spine
On pawl axle, there is provided one promotes the elastic force that the ratchet is rotated to unlocking direction, i.e. torsion spring to be arranged on pawl axis and and pawl axis
Coaxially, one end of torsion spring can be connected with case of transmission or housing, and the other end is connected with ratchet, and torsion spring pretension is installed so that turn round
Spring has the elastic force for promoting ratchet to rotate to unlocking direction all the time.
Preferably, the ratchet the week side of boss is disposed with some teeth groove, and as shown in fig. 4 a, the ratchet includes body 301, described
Extend to side near its one end on body and be formed with parking swing arm 302, the parking swing arm end is formed with parking boss
303；The stacked park pawl 304 in interval is formed near its other end and parking swing arm homonymy extension on the body to conciliate
Lock boss 305, along the pawl axis axial direction, the release boss and the park pawl are located at differing heights layer, the cam disc,
The parking boss, the release boss are located at identical height layer, and the ratchet is located at identical height layer with the park pawl；Stay
Che Shi, the cam disc are driven forward the parking boss and drive the body reversion, make the park pawl snap in the ratchet
Teeth groove；During unblock, the cam disc is driven reverse the release boss and drives the body to rotate forward, and departs from the park pawl
The teeth groove of the ratchet.Here, as release boss, parking swing arm and park pawl be not in sustained height layer, therefore pawl body
Uprightly can arrange so that ratchet in the unlocked state gravity action direction near ratchet rotating shaft, reduce gravity torque；And
The action direction at ratchet center is arranged in into the right side of ratchet rotating shaft so that ratchet gravity torque direction is driving ratchet unblock side
To further reduction ratchet is under vibration to the trend that ratchet is close.
Due to ratchet, uprightly arrangement significantly reduces the trend that the gravity torque driving ratchet of ratchet is rotated to ratchet direction,
Ratchet is avoided to cause ratchet and ratchet non-essential contact and caused premature wear to pawl wheel in vibration.
As park pawl and release boss are in differing heights layer so that the actuator of parking system can be arranged in ratchet
Axis direction on, rather than be arranged in the radial direction of ratchet, reduce the radial dimension of parking system.
Preferably, the vertical or near vertical body of the park pawl, the release boss, the parking swing arm and institute
State body in obtuse angle.So, it is easy to park pawl to snap in the teeth groove of ratchet, carries out parking, also allows for cam dish driving parking convex
Platform.
Preferably, the release boss arranged successively, the body, the parking swing arm, the parking boss are constituted
One nock.Here, release boss, the body, the parking swing arm, the parking boss are arranged successively and constitute a nock,
It is easy to cam disc to slide into and out, in other embodiments, is adjusted also dependent on being actually needed.
Preferably, the body, release boss, the park pawl, the release boss, the parking swing arm, described stay
Car boss is integrally formed.
Preferably, as shown in Figure 4 b, the body includes body A3011, body B3012 and body C3013, the parking
Pawl is integrally formed with the body C, and the release boss is integrally formed with the body A, the parking swing arm and the body B
It is integrally formed, the body A, the body B are locked on the body C by securing member, are formed with hole on the body B
B3014, is formed with hole A3015 on the body C, are stacked concentric with the hole B of the hole A constitutes the hole.
Preferably, the body A, the body B are made using different materials from the body C.As such, it is possible to according to
Need to select different materials, improve the reliability of ratchet.
Preferably, the body A passes through bolt 12 and pin 13 is fixed on body C, and the body B is fixed on by pin 13
On body C.More preferably, there is minim gap between body B and pin, body B has minim gap with the rotary shaft of ratchet, makes this
Body B can be moved along the rotary shaft axial direction of ratchet, be easy to the assembling of body B.In other embodiments, body A is by also
Can be fixed on body C by two bolts or other prior arts.
Preferably, as shown in Figure 3 a and Figure 3 b shows, the cam disc includes articulated section 401 and fan-shaped cam part 402, described
The axis hole 4011 in the drive shaft, the fan-shaped inner edge of the cam part and institute for turning set are formed with the middle part of articulated section
Articulated section connection is stated, face of cylinder A4021 and face of cylinder B4022, the circle in the fan-shaped outer rim of the cam part, is sequentially formed with
Radial height of the radial height of cylinder A less than the face of cylinder B, transition connection between the face of cylinder A and the face of cylinder B
There is a climbing face 4023, the side of the face of cylinder B dorsad face of cylinder A is formed with chamfering domatic 4024；The cam part is leaned on
Spring boss 4025 is formed with the nearly domatic fan-shaped lateral margin of the chamfering；The actuator drives the two fan-shaped of the cam part
Lateral margin, makes the cam disc around the drive shaft positive and negative rotation, and during parking, the climbing face drives the parking boss to drive institute
Body reversion is stated, makes the park pawl snap in the teeth groove of the ratchet；During unblock, the chamfering is domatic to drive the release boss
Drive the body to rotate forward, make the park pawl depart from the teeth groove of the ratchet.
Preferably, the articulated section is circle.But not limited to this, other ellipse, arc, sectors etc. can be according to realities
Border needs to arrange.
Preferably, some holes for mitigating weight or groove 26 are disposed with the cam disc.Preferably, using circular logical
Hole, it is while mitigating the weight of cam disc, convenient to carry out.
Preferably, the articulated section is integrally formed with the cam part, generally tabular.Plate armature, structure letter
Single, dependable performance can be greatly reduced the cost of parking system.
Preferably, the cam part corresponding with the face of cylinder B can cover the teeth groove of the ratchet.So, it is during unblock, convex
The cam part of wheel disc Correspondent cy linder face B covers the teeth groove of ratchet, can prevent ratchet from being entered by external force effect under non-parked state
In the teeth groove of ratchet.More preferably, face of cylinder B is concordant with the lateral surface of the tooth post of ratchet, i.e. the outside of face of cylinder B and ratchet tooth post
Face overlaps.
So, the axis hole of cam disc articulated section is rotatably arranged on the driving shaft and around drive shaft turns, cam part side
Fan-shaped lateral margin on spring boss be used to cam disc spring is installed, the cam disc spring other end be rotated by drive shaft
Actuator connects, so, actuator Jing cam discs spring can driving cam portion side fan-shaped lateral margin, and the actuator can also drive
The fan-shaped lateral margin of moving cam portion opposite side, makes cam disc positive and negative rotation.By face of cylinder A, climbing face, face of cylinder B, the domatic structure of chamfering
Into cam surface and parking system ratchet parking swing arm or release boss directly contact.So, cam disc positive and negative rotation can
Ratchet is driven to realize parking and unblock.
As shown in figure 5, the actuator includes disk body 501, is formed in the middle part of the disk body and can be socketed in the drive shaft
On pin-and-hole 502, two adjutages 503 for being formed at the disk body both sides, the boss A504 for being formed at an adjutage end and formation
In the boss B505 of another adjutage end, the boss B, the boss A are located at differing heights layer with the disk body；It is described convex
Cam disc spring 10 is connected between platform B and the spring boss, i.e. cam disc layout of spring between actuator and cam disc,
Cam disc spring one end is arranged on actuator, and the other end is arranged on cam disc, and so, actuator Jing cam discs spring can drive
The fan-shaped lateral margin of moving cam disk side rotates forward cam disc；The boss A can drive to be made near the fan-shaped lateral margin of the face of cylinder A
The cam disc reversion, so as to realizing actuator and then driving the cam disc around the function of the drive shaft positive and negative rotation.
In sum, as shown in Fig. 2 each part of this utility model parking system is arranged using multiple field, ratchet 2, ratchet 3
Park pawl be arranged in same layer, the layer mainly finally realizes parking and unblock；It is the release boss and parking boss of ratchet 3, convex
Wheel disc, cam disc spring 10, the boss A of actuator 5 and boss B are arranged in same layer, and the layer is mainly realized driving ratchet work；
Actuator 5 is arranged in one layer, and this layer mainly realizes the action control of parking system；Housing is arranged in one layer, and the layer is mainly realized
The support of each part of parking system；Torsion spring is arranged in one layer, the main secondary pawl action of the layer；As parking system adopts multilamellar
Formula arrangement, can cause parking system all parts as axially disposed as possible, so as to reduce parking system radial dimension.
More preferably, parking system is divided into more layers arrangement, so as to reduce the radial dimension of parking system.
Used as a kind of preferred embodiment, this utility model is used for the operation principle of the multiple field parking system of pure electric vehicle
It is as follows：
As shown in fig. 6, when drive shaft 6 turns clockwise (rotate forward), driving actuator 5 to turn clockwise, cam disc bullet
Spring 10 promotes cam disc 4 to turn clockwise under the driving of actuator 5, due to face of cylinder A it is different from face of cylinder B radial heights,
Therefore, during face of cylinder A Jing climbings face turns clockwise to face of cylinder B, the cam surface of cam disc promotes the parking pendulum of ratchet
Arm so that ratchet is rotated counterclockwise, so that the park pawl on ratchet 3 is snapped in the teeth groove on ratchet 2.When on ratchet 3
After park pawl snaps in the teeth groove on ratchet 2, drive shaft 6 continues to turn clockwise, and drives actuator 5, cam disc spring 10, cam
Disk 4 continues to turn clockwise, and when the parking boss of ratchet 3 crosses the climbing face of cam disc 4, connects with the face of cylinder B in cam surface
When tactile, drive shaft 6 reaches complete parking position, and drive shaft 6 stops operating, and now actuator 5, cam disc 4, ratchet 3 are in
Complete parking position.As the parking boss of ratchet 3 is contacted with the face of cylinder B in cam surface, therefore, ratchet 3 cannot be clockwise
Rotation, ratchet 3 are locked in complete parking position.
When the peak contact of the park pawl and ratchet of ratchet 3, ratchet 3 cannot reach complete parking position, now drive
Axle 6, actuator 5 can still reach complete parking position, and cam disc spring 10 is in compressive state, and cam disc 4 is in cam disc
In the presence of the elastic force of spring 10, the motive force to ratchet is remained, until ratchet 2 rotates the park pawl 31 for causing ratchet 3
Into in the teeth groove of ratchet 2.
As shown in fig. 7, when drive shaft 6 rotate counterclockwise (reversion), 5 rotate counterclockwise of actuator is driven, actuator 5
Boss A and 4 directly contact of cam disc so that actuator 5 pushes directly on 4 rotate counterclockwise of cam disc, in cam disc cam surface
Chamfering domatic 24 is contacted with the release boss of ratchet, and so as to the park pawl of ratchet is pushed open from parking position, ratchet is in cam disc
Rotate clockwise under driving so that park pawl on ratchet 3 departs from the teeth groove on ratchet 2, when the park pawl on ratchet 3 it is complete
After teeth groove on total detachment ratchet 2, ratchet 3 turns to complete unlocked position under the drive of torsion spring 9, now staying on ratchet 3
Car boss is contacted with the face of cylinder A of cam disc 4.
After the park pawl on ratchet 3 completely disengages from the teeth groove on ratchet 2, drive shaft 6 continues rotate counterclockwise, drives and drives
Moving part 5, cam disc spring 10, cam disc 4 continue rotate counterclockwise, when cam disc 4 turns to the circle in the cam surface of cam disc 4
Cylinder B and the release boss of ratchet to it is corresponding when drive shaft 6 reach complete unlocked position, drive shaft 6 stops operating, now drives
Part 5, cam disc 4, ratchet 3 are in complete unlocked position.
When ratchet 3 is in complete unlocked position, torsion spring 9 still keeps the elastic force for driving ratchet 3 to turn clockwise so that
Ratchet 3 will not turn clockwise when variator vibrates.Simultaneously as the face of cylinder B and ratchet in the cam surface of cam disc 4
32 correspondence of release boss, even if ratchet 3 overcomes the elastic force of torsion spring 9 to turn clockwise under vibration, the park pawl 31 of ratchet 3 also without
Method is contacted with the teeth groove of ratchet 2.
Embodiment 2
As shown in figure 8, compared with Example 1, the multiple field parking system for pure electric vehicle shown in embodiment 2
Difference is to be connected with to prevent the cam disc beyond the limited block A101 of complete parking position and prevent described on the housing
Limited block B102 of the cam disc beyond complete unlocked position.That is limited block A and limited block B are fixed on housing 1, have been corresponded to respectively
Full parking position and complete unlocked position, limit the extreme rotational position of cam disc, prevent cam disc from exceeding complete parking position
Or complete unlocked position.
Preferably, being connected with the housing prevents the actuator beyond the limited block C of complete parking position and prevents
Limited block D of the actuator beyond complete unlocked position.That is limited block C and limited block D are fixed on housing 1, are corresponded to respectively
Parking position and complete unlocked position, limit the extreme rotational position of actuator completely, prevent actuator from exceeding completely resident parking stall
Put or complete unlocked position.
Embodiment 3
As shown in figure 9, compared with Example 1, the multiple field parking system for pure electric vehicle shown in embodiment 3 is also
Including sensor 11, sensor 11 detects the angle position of drive shaft turns, so as to real-time detection is used for many of pure electric vehicle
The working condition of laminar parking system, realizes the closed loop control to parking system.
This utility model multiple field parking system is arranged on the outside of variator, is conducive to the installation and maintenance of parking system,
And identical parking system is matched in similar vehicles, so as to improve the multiple field parking system for pure electric vehicle
The range of application of system, improves the safety of pure electric vehicle.Due to parking system, each mechanism adopts multi-tier arrangement, significantly can reduce
The radial dimension of parking system.
Above example is referring to the drawings, preferred embodiment of the present utility model to be described in detail.The skill of this area
Art personnel by modification or change on various forms are carried out to above-described embodiment, but without departing substantially from substantive feelings of the present utility model
Under condition, all fall within protection domain of the present utility model.
Claims (10)
1. a kind of multiple field parking system for pure electric vehicle, it is characterised in that including housing (1), ratchet (2), ratchet
(3), pawl axis (7), torsion spring (9), cam disc (4), actuator (5) and drive shaft (6)；The ratchet is fixedly installed at speed change
Remain with wheel in device in the rotary shaft (8) of power transmission；The pawl axis are not coaxially arranged in institute with the drive shaft
State on housing；The cam disc is rotatably arranged in the drive shaft；The actuator is fixed in the drive shaft；Institute
State ratchet to be rotatably arranged on the pawl axis；The drive shaft positive and negative rotation, can drive the actuator with the drive
Moving axis positive and negative rotation, the actuator further drive the cam disc around the drive shaft positive and negative rotation, and the cam disc is further
Drive the ratchet to be rotated around the pawl axis anyway, the ratchet parking is engaged with the ratchet or is departed from unblock, it is described
Torsion spring pretension is arranged on the pawl axis, there is provided one promotes the elastic force that the ratchet is rotated to unlocking direction.
2. the multiple field parking system for pure electric vehicle according to claim 1, it is characterised in that：The ratchet week
Side is disposed with some teeth groove, and the ratchet includes body (301), extends to be formed with to side near its one end and stay on the body
Car swing arm (302), the parking swing arm end are formed with parking boss (303)；On the body near its other end with it is described
Parking swing arm homonymy extends park pawl (304) and the release boss (305) for being formed with that interval is stacked, along the pawl axis axial direction,
The release boss is located at differing heights layer, the cam disc, the parking boss, the release boss position with the park pawl
In identical height layer, the ratchet is located at identical height layer with the park pawl；During parking, the cam disc is driven forward described
Parking boss drives the body reversion, makes the park pawl snap in the teeth groove of the ratchet；During unblock, the cam disc reversion
Drive the release boss to drive the body to rotate forward, make the park pawl depart from the teeth groove of the ratchet.
3. the multiple field parking system for pure electric vehicle according to claim 2, it is characterised in that：The body bag
Body A (3011), body B (3012) and body C (3013) are included, the park pawl is integrally formed with the body C, the unblock
Boss is integrally formed with the body A, and the parking swing arm is integrally formed with the body B, and the body A, the body B lead to
Cross securing member to lock on the body C, hole B (3014) is formed with the body B, on the body C, hole A is formed with
(3015), are stacked concentric with the hole B of the hole A constitutes the hole.
4. the multiple field parking system for pure electric vehicle according to claim 2, it is characterised in that：The cam disc
Including articulated section (401) and the cam part (402) of sector, be formed with the middle part of the articulated section and the driving be located at for turning set
Axis hole (4011) on axle, the fan-shaped inner edge of the cam part are connected with the articulated section, in the fan-shaped outer rim of the cam part
Face of cylinder A (4021) and face of cylinder B (4022) is sequentially formed with, the radial height of the face of cylinder A is less than the face of cylinder B's
Radial height, transition between the face of cylinder A and the face of cylinder B are connected with climbing face (4023), the face of cylinder B dorsad institutes
The side for stating face of cylinder A is formed with chamfering domatic (4024)；The actuator drives two fan-shaped lateral margins of the cam part, makes institute
Cam disc is stated around the drive shaft positive and negative rotation, during parking, the climbing face drives the parking boss to drive the body anti-
Turn, make the park pawl snap in the teeth groove of the ratchet；During unblock, the chamfering is domatic to drive the release boss drive described
Body is rotated forward, and makes the park pawl depart from the teeth groove of the ratchet.
5. the multiple field parking system for pure electric vehicle according to claim 4, it is characterised in that：With the cylinder
Face B corresponding cam part can cover the teeth groove of the ratchet.
6. the multiple field parking system for pure electric vehicle according to claim 4, it is characterised in that：The cam part
Spring boss (4025) is formed with the domatic fan-shaped lateral margin of the chamfering；The actuator includes disk body (501), is formed
The pin-and-hole (502) that can be socketed in the drive shaft in the middle part of the disk body, two adjutages for being formed at the disk body both sides
(503) the boss A (504) for, the being formed at an adjutage end and boss B (505) for being formed at another adjutage end, it is described convex
Platform B, the boss A are located at differing heights layer with the disk body；Cam disc is connected between the boss B and the spring boss
Spring (10), the boss A can drive makes the cam disc reversion near the fan-shaped lateral margin of the face of cylinder A.
7. the multiple field parking system for pure electric vehicle according to claim 1, it is characterised in that：On the housing
Be connected with prevent the cam disc beyond complete parking position limited block A (101) and prevent the cam disc exceed solve completely
The limited block B (102) of lock position.
8. the multiple field parking system for pure electric vehicle according to claim 1, it is characterised in that：On the housing
Being connected with prevents the actuator beyond the limited block C of complete parking position and prevents the actuator from exceeding complete unlocked position
Limited block D.
9. the multiple field parking system for pure electric vehicle according to claim 1, it is characterised in that：Also include for
Detect the sensor (11) of the angle position of the drive shaft turns.
10. the multiple field parking system for pure electric vehicle according to claim 1, it is characterised in that：The multiple field
Parking system is arranged in the outside of variator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087673.6U CN206067495U (en) | 2016-09-28 | 2016-09-28 | For the multiple field parking system of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087673.6U CN206067495U (en) | 2016-09-28 | 2016-09-28 | For the multiple field parking system of pure electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206067495U true CN206067495U (en) | 2017-04-05 |
Family
ID=58441208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621087673.6U Expired - Fee Related CN206067495U (en) | 2016-09-28 | 2016-09-28 | For the multiple field parking system of pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206067495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347115A (en) * | 2016-09-28 | 2017-01-25 | 昆山德拉特兰传动科技有限公司 | Multi-layer parking system for all-electric vehicle |
-
2016
- 2016-09-28 CN CN201621087673.6U patent/CN206067495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347115A (en) * | 2016-09-28 | 2017-01-25 | 昆山德拉特兰传动科技有限公司 | Multi-layer parking system for all-electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: Room 608, science and technology building, Dazhong Plaza, Yizheng Automobile Industrial Park, Yangzhou City, Jiangsu Province Patentee after: Dejia Power Technology (Yizheng) Co.,Ltd. Address before: Business Avenue Huaqiao Economic Development Zone, Kunshan city Suzhou City, Jiangsu province 215300 No. 199 Building 1 Room 502 Patentee before: KUNSHAN DELATELAN TRANSMISSION SCIENCE & TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20210928 |