CN207393932U - Electronic brake mechanism - Google Patents
Electronic brake mechanism Download PDFInfo
- Publication number
- CN207393932U CN207393932U CN201721274872.2U CN201721274872U CN207393932U CN 207393932 U CN207393932 U CN 207393932U CN 201721274872 U CN201721274872 U CN 201721274872U CN 207393932 U CN207393932 U CN 207393932U
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- Prior art keywords
- cam
- drive shaft
- pawl
- park pawl
- torsionspring
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- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 210000003781 tooth socket Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model provides a kind of electronic brake mechanism, including parking ratchet wheel, park pawl, pawl return spring, actuated by cams component and motor, being opened up at the top of one end above parking ratchet wheel for park pawl is jagged, and idler wheel is provided on notch；Actuated by cams component includes cam, drive shaft and worm gear, the both ends of drive shaft are mounted on gear box and drive shaft is freely rotatable, cam empty set and the one end for being axially fixed in drive shaft, cam flat line position is in the surface of the idler wheel of park pawl, worm gear fixing sleeve is in the other end of drive shaft, torsionspring is cased in drive shaft and torsionspring is between worm gear and cam, torsionspring is fixed on close to one end of cam on cam, the other end of the torsionspring away from cam is fixed on the driving shaft, the worm screw of motor is located at the surface of worm gear and worm and wheel is intermeshed, the worm screw of motor is arranged in parallel with park pawl.The utility model is compact-sized, and integration degree is high, occupies little space.
Description
Technical field
The utility model is related to a kind of halting mechanism, more particularly to a kind of electronic brake mechanism.
Background technology
Automobile is to prevent its unexpected car slipping, it is necessary to design safety mechanism for braking of parking for it when being parked.It is big at present
The parking braking form that most automobiles use for manual Zipper-type parking braking, realization principle be by zipper to vehicle after
Wheel is braked, and the brake force of this mode of braking is smaller, and can inevitably reduce with the increase of access times.Work as vehicle
When being parked on ramp, very likely because of no completely locked car slipping phenomenon can occur for vehicle, so as to cause vehicle
The main security of the lives and property.In addition, existing automatic transmission box parking mechanism uses manual draw bar formula operating mechanism more, and it is manual
The arrangement space of Zipper-type halting mechanism is larger, and amount of parts is more, and universal Integrated design degree is low.With automobile power system
The electrified development of system, requirement of the vehicle to user's operation convenience and security is higher and higher, and automation, intelligent characteristic need
Ask apparent, it will be that vehicle electric drive system and intelligence control system bring great inconvenience to carry out operation manually.
Utility model content
The utility model is intended to provide a kind of structure novel, motor drives worm gear to rotate thus by drive shaft turns to torsion
Turn the electronic brake mechanism that spring energy storage drives cam rotation so as to fulfill parking.It is realized by following scheme：
A kind of electronic brake mechanism, including parking ratchet wheel, park pawl and pawl return spring, the one of park pawl
End is fixed on by fixing device on gear box and park pawl can be rotated around fixing device, the other end position of park pawl
It is engaged in the top of parking ratchet wheel and complementing one another with parking ratchet wheel, the center of pawl return spring is fixed on the securing means,
One end of pawl return spring is stuck in park pawl, and the other end of pawl return spring is fixed on gear box, described
Being opened up at the top of one end above parking ratchet wheel for park pawl is jagged, and idler wheel is provided on the notch；Braking
Mechanism further includes actuated by cams component and motor, and the actuated by cams component includes cam, drive shaft and worm gear, the drive shaft
Both ends be mounted on gear box and drive shaft is freely rotatable, the cam empty set and be axially fixed in the one of drive shaft
End, with ensure cam will not along drive shaft move axially and cam it is rotatable, cam flat line position in park pawl idler wheel just
Top, the worm gear fixing sleeve are cased with torsionspring in the drive shaft and torsionspring are located at snail in the other end of drive shaft
Between wheel and cam, torsionspring is fixed on close to one end of cam on cam, and the other end of the torsionspring away from cam is fixed
On the driving shaft, the worm screw of the motor is located at the surface of worm gear and worm and wheel is intermeshed, the worm screw of the motor
It is arranged in parallel with park pawl.
Further, the cam side is regarded in whistle shape.
Further, the worm screw of the motor towards external end head is provided with bushing.
In order to ensure that cam will not move back and forth position in drive shaft, in the close cam one side inwardly of the drive shaft
Spacer pin is set on position.During actual fabrication, the installation that can be mounted on spacer pin and the drive shaft end on gear box fills
It puts and is combined into one, that is to say, that it only needs erecting device being arranged on drive shaft on the cam inwardly position of one side,
Erecting device can both play fixation at this time, while can also play position-limiting action.
The electronic brake mechanism of the utility model, compact-sized, novel, amount of parts is few, and integration degree is high,
It occupies little space, by the worm screw of motor worm gear is driven to rotate so as to drive drive shaft turns, given while drive shaft turns
Torsionspring stores power, drives cam rotation by torsionspring afterwards, the rolling in park pawl is withstood by the projection of cam
It takes turns that park pawl is promoted to rotate down so that park pawl is caught in the tooth socket of parking ratchet wheel, finally realizes parking；This set
Parking and braking mechanism part processing cost is low, technical maturity.The electronic brake mechanism of the utility model, can be advantageously integrated
Plug-in hybrid speed changer, pure electric automobile reduction box (or gearbox) and other need the change of automatic parking function
Fast case is medium, because the gearratio of Worm Wheel System is big, therefore is not easy mechanical stuck, stable transmission, using worm and gear from
Lock characteristic can prevent non-return transmission, so as to without the complicated gear holding mechanism of design.
Description of the drawings
Fig. 1 is the structure diagram of electronic brake mechanism lockup state in embodiment 1；
Fig. 2 is the structure diagram of electronic brake mechanism opening state in embodiment 1；
Fig. 3 is the structure diagram of park pawl in embodiment 1；
Fig. 4 is the structure diagram of actuated by cams component in embodiment 1.
Specific embodiment
Embodiment is simply to illustrate that a kind of realization method of the utility model, not as to scope of protection of the utility model
Restricted explanation.
Embodiment 1
A kind of electronic brake mechanism, as shown in Figure 1 and Figure 2, including parking ratchet wheel 1, park pawl 2, pawl return bullet
Spring 3, actuated by cams component 4 and motor 5, one end of park pawl 2 are fixed on gear box (figure by the first fixed pin 6
Not shown in gear box) and park pawl 2 can be rotated around the first fixed pin 6, the other end of park pawl 2 is located at parking spine
It takes turns 1 top and complements one another with parking ratchet wheel 1 and engage, the center of pawl return spring 3 is fixed on the first fixed pin 6, spine
One end of pawl return spring 3 is stuck in park pawl 2, and the other end of pawl return spring 3 is fixed on gear box, is such as schemed
Shown in 3, being located at the top of one end of 1 top of parking ratchet wheel for park pawl 2 opens up jagged 21, and rolling is provided on notch 21
Wheel 22；As shown in figure 4, actuated by cams component 4 includes cam 41, drive shaft 42 and worm gear 43, the both ends of drive shaft 42 are mounted on
On gear box and drive shaft 42 is freely rotatable, and 41 side view of cam is in whistle shape, 41 empty set of cam and is axially fixed in drive
One end of moving axis 42, the surface of the parallel idler wheel 22 positioned at park pawl 2 of cam 41, the close cam 41 of drive shaft 42 is inwardly
Spacer pin 45 is set on the position of one side, and 43 fixing sleeve of worm gear is cased with torsion bullet in drive shaft 42 in the other end of drive shaft 42
Spring 44 and torsionspring 44 is between worm gear 43 and cam 41, torsionspring 44 is fixed on cam 41 close to one end of cam 41
On, the other end of the torsionspring 44 away from cam 41 is fixed in drive shaft 42；The worm screw 51 of motor 5 be located at worm gear 43 just on
Side and worm screw 51 is intermeshed with worm gear 43, worm screw 51 and the park pawl 2 of motor 5 are arranged in parallel, the court of the worm screw 51 of motor 5
External end head is provided with bushing 52.
In actual use, when N, D, R are kept off, driver presses P block keys by the shift handle on vehicle, is controlled in intelligence
Processing procedure degree is high or supports that motor driving can be directly controlled in unpiloted automobile, so that worm screw drives actuated by cams component
In worm gear rotate, the rotation of worm gear will drive drive shaft to rotate synchronously, when the pawl head of park pawl is against parking ratchet wheel
During tooth socket, drive shaft can the rotation of synchronous drive cam, the projection of cam props up the idler wheel in park pawl and promotes parking
Pawl is rotated down so that the pawl head of park pawl is caught in the tooth socket of parking ratchet wheel, and lockup state is kept off into P；Work as park pawl
Pawl head against parking ratchet wheel tooth top when, drive shaft turns will not drive cam rotation, and can rotate torsionspring and be allowed to
Energy storage stores power, and when vehicle slides, parking ratchet wheel can rotate therewith, when the pawl head that parking ratchet wheel turns to park pawl opposite is stayed
During the position of vehicle ratchet tooth socket, torsionspring will discharge the energy of storage, make cam quick rotation, and the projection of cam supports
Firmly the idler wheel in park pawl and park pawl is promoted to be rotated down so that the pawl head of park pawl is caught in the tooth of parking ratchet wheel
Slot keeps off lockup state into P, i.e. electronic brake mechanism is in lockup state, as shown in Figure 1.
When vehicle is in P gears, driver presses P block keys so that motor reverse drive, worm screw drive worm gear reversely to revolve
Turn, so that cam rotates clockwise, the projection of cam no longer props up the idler wheel of park pawl, and the pawl head of park pawl exists
The tooth socket of parking ratchet wheel is left under the action of pawl return spring, so as to complete to unlock, i.e., electronic brake mechanism is in and beats
Open state, as shown in Fig. 2, vehicle is i.e. removable at this time.
Claims (4)
1. a kind of electronic brake mechanism, including parking ratchet wheel, park pawl and pawl return spring, one end of park pawl
It is fixed on by fixing device on gear box and park pawl can be rotated around fixing device, the other end of park pawl is located at
The top of parking ratchet wheel and complementing one another with parking ratchet wheel is engaged, and the center of pawl return spring is fixed on the securing means, spine
One end of pawl return spring is stuck in park pawl, and the other end of pawl return spring is fixed on gear box, feature
It is：Being opened up at the top of one end above parking ratchet wheel for the park pawl is jagged, is provided on the notch
Idler wheel；Arrestment mechanism further includes actuated by cams component and motor, and the actuated by cams component includes cam, drive shaft and worm gear,
The both ends of the drive shaft are mounted on gear box and drive shaft is freely rotatable, and the cam empty set and are axially fixed in
One end of drive shaft, cam flat line position is in the surface of the idler wheel of park pawl, and the worm gear fixing sleeve is in the another of drive shaft
It holds, is cased with torsionspring in the drive shaft and torsionspring is between worm gear and cam, torsionspring is close to the one of cam
End is fixed on cam, and the other end of the torsionspring away from cam is fixed on the driving shaft, and the worm screw of the motor is located at worm gear
Surface and worm and wheel be intermeshed, the worm screw of the motor is arranged in parallel with park pawl.
2. electronic brake mechanism as described in claim 1, it is characterised in that：The cam side is regarded in whistle shape.
3. electronic brake mechanism as claimed in claim 1 or 2, it is characterised in that：The worm screw of the motor towards outer end
Head is provided with bushing.
4. electronic brake mechanism as claimed in claim 1 or 2, it is characterised in that：In the close cam of the drive shaft
Spacer pin is set on the position of one side inwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274872.2U CN207393932U (en) | 2017-09-30 | 2017-09-30 | Electronic brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721274872.2U CN207393932U (en) | 2017-09-30 | 2017-09-30 | Electronic brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207393932U true CN207393932U (en) | 2018-05-22 |
Family
ID=62331123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721274872.2U Active CN207393932U (en) | 2017-09-30 | 2017-09-30 | Electronic brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207393932U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825775A (en) * | 2018-09-08 | 2018-11-16 | 赣州经纬科技股份有限公司 | A kind of automobile transmission halting mechanism |
| CN110259942A (en) * | 2019-05-31 | 2019-09-20 | 陕西法士特齿轮有限责任公司 | A kind of parking device for automatic transmission |
| CN110529590A (en) * | 2018-05-25 | 2019-12-03 | 舍弗勒技术股份两合公司 | parking lock |
| CN110748637A (en) * | 2019-10-29 | 2020-02-04 | 科力远混合动力技术有限公司 | Pressure control method of hydraulic system of hybrid power transmission |
| CN110748580A (en) * | 2019-11-22 | 2020-02-04 | 重庆隆旺机电有限责任公司 | Forward two-way drive reverse leaflet one-way locking mechanism |
| CN111298311A (en) * | 2020-02-28 | 2020-06-19 | 王绍伟 | Descent control device and escape device |
| CN111409614A (en) * | 2020-04-14 | 2020-07-14 | 南京中车浦镇海泰制动设备有限公司 | Rail transit braking device |
| CN111609129A (en) * | 2020-05-20 | 2020-09-01 | 蜂巢传动系统(江苏)有限公司 | Emergency parking device for vehicle and vehicle with same |
| CN111609128A (en) * | 2020-05-19 | 2020-09-01 | 蜂巢传动系统(江苏)有限公司 | Emergency parking device for vehicle and vehicle |
| CN112049930A (en) * | 2020-09-10 | 2020-12-08 | 上海崇林汽车电子有限公司 | Lightweight electric automobile parking module |
-
2017
- 2017-09-30 CN CN201721274872.2U patent/CN207393932U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529590A (en) * | 2018-05-25 | 2019-12-03 | 舍弗勒技术股份两合公司 | parking lock |
| CN110529590B (en) * | 2018-05-25 | 2022-08-02 | 舍弗勒技术股份两合公司 | Parking lock |
| CN108825775A (en) * | 2018-09-08 | 2018-11-16 | 赣州经纬科技股份有限公司 | A kind of automobile transmission halting mechanism |
| CN110259942B (en) * | 2019-05-31 | 2021-07-23 | 陕西法士特齿轮有限责任公司 | Parking device for automatic transmission |
| CN110259942A (en) * | 2019-05-31 | 2019-09-20 | 陕西法士特齿轮有限责任公司 | A kind of parking device for automatic transmission |
| CN110748637A (en) * | 2019-10-29 | 2020-02-04 | 科力远混合动力技术有限公司 | Pressure control method of hydraulic system of hybrid power transmission |
| CN110748580A (en) * | 2019-11-22 | 2020-02-04 | 重庆隆旺机电有限责任公司 | Forward two-way drive reverse leaflet one-way locking mechanism |
| CN111298311A (en) * | 2020-02-28 | 2020-06-19 | 王绍伟 | Descent control device and escape device |
| CN111298311B (en) * | 2020-02-28 | 2021-08-31 | 王绍伟 | Descent control device and escape device |
| CN111409614A (en) * | 2020-04-14 | 2020-07-14 | 南京中车浦镇海泰制动设备有限公司 | Rail transit braking device |
| CN111609128A (en) * | 2020-05-19 | 2020-09-01 | 蜂巢传动系统(江苏)有限公司 | Emergency parking device for vehicle and vehicle |
| CN111609128B (en) * | 2020-05-19 | 2021-09-21 | 蜂巢传动系统(江苏)有限公司 | Emergency parking device for vehicle and vehicle |
| CN111609129B (en) * | 2020-05-20 | 2021-07-20 | 蜂巢传动系统(江苏)有限公司 | Emergency parking device for vehicle and vehicle with same |
| CN111609129A (en) * | 2020-05-20 | 2020-09-01 | 蜂巢传动系统(江苏)有限公司 | Emergency parking device for vehicle and vehicle with same |
| CN112049930A (en) * | 2020-09-10 | 2020-12-08 | 上海崇林汽车电子有限公司 | Lightweight electric automobile parking module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220913 Address after: No.16 Gongxin Avenue, industrial park, Yifeng County, Yichun City, Jiangxi Province Patentee after: Jiangxi Dingsheng New Material Technology Co.,Ltd. Address before: 528000 601-604 room, block A, 1 floor, 131 Ji Hua Xi Road, Chancheng District, Foshan, Guangdong. Patentee before: CORUN HYBRID POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |