CN106763730A - A kind of halting mechanism of electric automobile - Google Patents
A kind of halting mechanism of electric automobile Download PDFInfo
- Publication number
- CN106763730A CN106763730A CN201710168335.8A CN201710168335A CN106763730A CN 106763730 A CN106763730 A CN 106763730A CN 201710168335 A CN201710168335 A CN 201710168335A CN 106763730 A CN106763730 A CN 106763730A
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- China
- Prior art keywords
- ratchet
- spring
- briquetting
- shell
- electric automobile
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- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000000694 effects Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to vehicle drive system, more particularly to a kind of halting mechanism of electric automobile, it includes driving section, push rod, sliding block, lead column, ratchet, torsion spring and ratchet, wherein, sliding block includes shell, briquetting and spring, and briquetting and spring are respectively positioned on enclosure, and briquetting lower end is connected with spring, briquetting upper end is connected with detent slide, and briquetting can overcome the elastic force of spring to shell medial movement under external force；When automobile is in the state of running at high speed, if being linked into P gears by mistake, the end of engagement of ratchet can collide with the tooth top of ratchet, and impact force has exceeded the critical value of spring, then the drive end of ratchet can extrude briquetting and overcome the elastic force of spring to shell medial movement, so that the end of engagement of ratchet departs from ratchet in the presence of this impact force, prevent ratchet income ratchet, it is ensured that traffic safety.
Description
Technical field
The present invention relates to vehicle drive system technical field, more particularly to a kind of halting mechanism of electric automobile.
Background technology
At present, automobile has been developed as the vehicles that it is essential that people go on a journey.Automotive transmission is according to gear shift side
The difference of formula is divided into manually and automatically speed changer.Automatic transmission, due to easy to use, has been that one kind of speed changer development becomes
Gesture, more and more welcomed by the people.Automatic transmission is typically mounted between the engine of vehicle and power transmission shaft, by automatically controlled
Signal changes gearratio automatically, expands the excursion of vehicle drive force and speed, to adapt to the driving conditions of frequent change.For
Prevent any vehicle wheel rotation occur during parking, all of such speed changer can all set halting mechanism, to realize the lock of speed changer
Only.
The halting mechanism used on electric automobile, is essentially all, by between the tooth of ratchet income ratchet two, to carry out locking change
Fast device, completes parking function.In vehicle traveling process, in fact it could happen that hang the operation of P gears by mistake, when there is maloperation, do not arrange
Except ratchet meeting income ratchet, this situation belongs to serious potential safety hazard.
In sum, develop it is a kind of can occur in vehicle travel process by mistake hang P keep off operation when, it is to avoid ratchet income
The halting mechanism of ratchet is very necessary.
The content of the invention
It is an object of the invention to provide a kind of halting mechanism of electric automobile, can occur missing in vehicle travel process
When hanging P gear operations, it is to avoid in ratchet income ratchet.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of halting mechanism of electric automobile, including driving section, push rod, sliding block, lead column, ratchet, torsion spring and ratchet, its
In, described push rod one end is connected with the driving section, and the other end is connected with the sliding block, and the sliding block can be in the guiding
One end under the supporting of post with the ratchet is slidably connected, and the other end of the ratchet may be selected in the presence of the torsion spring
Engaged with the ratchet；
The sliding block includes shell, briquetting and spring, and the briquetting and spring are respectively positioned on the enclosure, the briquetting
Lower end is connected with the spring, and the briquetting upper end is connected with the detent slide, and the briquetting can overcome under ratchet effect
The elastic force of spring is to the shell medial movement.
Preferably, the spring has the critical value of a setting, when external force is more than the critical value, spring is compressed,
When external force is less than the critical value, spring can not be compressed.
Preferably, the briquetting is wedge, the shell is the wedge-shaped housing similar to the wedge profile, institute
Push rod is stated to be connected with the shell.
Preferably, when the spring is uncompressed, the upper surface of the briquetting is concordant with the upper surface of the shell.
Preferably, the upper surface of the shell is provided with breach, the both sides edge of the upper surface of the briquetting is provided with
The limiting section for stretching out, the limiting section matches with the breach.
Preferably, the driving section includes spill block, fork, shift fork axle and drive division, the spill block is pushed away with described
Bar is connected, and the spill block upper end sets fluted, and the shift fork lower end is located in the groove, and the fork can be in the drive
Rotated with the shift fork axle under the driving in dynamic portion, the rotation of the shift fork can be converted into the linear movement of the spill block.
Preferably, being provided with pilot hole on the side of the spill block, guide post is interspersed in the pilot hole, and edge
The force direction of the ratchet extends.
Beneficial effects of the present invention：
The present invention provides a kind of halting mechanism of electric automobile, including driving section, push rod, sliding block, lead column, ratchet, torsion
Spring and ratchet, wherein, sliding block includes shell, briquetting and spring, and briquetting and spring are respectively positioned on enclosure, briquetting lower end and spring
Connection, briquetting upper end is connected with detent slide, and briquetting can overcome the elastic force of spring to shell medial movement under external force；When
Automobile is in the state of running at high speed, if being linked into P gears by mistake, the end of engagement of ratchet can collide with the tooth top of ratchet, and collision
Power has exceeded the critical value of spring, then the drive end of ratchet can extrude the bullet that briquetting overcomes spring in the presence of this impact force
Power, so that the end of engagement of ratchet departs from ratchet, prevents ratchet income ratchet, it is ensured that traffic safety to shell medial movement.
Brief description of the drawings
Fig. 1 is the front view of the halting mechanism of the electric automobile that the present invention is provided；
Fig. 2 is the axonometric drawing of the halting mechanism of the electric automobile that the present invention is provided；
Fig. 3 is the structural representation of the sliding block that the present invention is provided；
Fig. 4 is the structural representation of the shell that the present invention is provided；
Fig. 5 is the structural representation of the briquetting that the present invention is provided；
Fig. 6 is the structural representation of the driving section that the present invention is provided.
In figure：
1- ratchets；2- ratchets；3- torsion springs；4- gyroaxises；5- sliding blocks；6- lead columns；7- push rods；8- spill blocks；9- forks；
10- shift fork axles；11- connecting rods；12- axle sleeves；13- driving levers；14- motor output shafts；15- motors；
501- shells；501a- breach；502- springs；503- briquettings；503a- limiting sections；
801- pilot holes.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figs 1 to 6, the present invention provides a kind of halting mechanism of electric automobile, including ratchet 1, ratchet 2, torsion spring 3,
Gyroaxis 4, sliding block 5, lead column 6, push rod 7 and driving section, wherein, ratchet 1 is connected on output shaft by internal spline, ratchet 2
With end of engagement and drive end, the end of engagement of ratchet 2 is engaged with ratchet 1, can be between two teeth of income ratchet 1, in ratchet 2
Portion is provided with the mounting hole of socket gyroaxis 4, and torsion spring 3 is set on gyroaxis 4, and one end of torsion spring 3 is ridden on ratchet 2, separately
One end is ridden on the housing of automatic transmission, the torsion produced by torsion spring 3 in 2 income of ratchet from inhibition, it is de- in ratchet 2
Played a driving role when going out, drive end and the sliding block 5 of ratchet 2 are slidably connected.
Sliding block 5 includes shell 501, spring 502 and briquetting 503, wherein, briquetting 503 is wedge, and shell 501 is and wedge
The similar wedge-shaped housing of shape block profile, briquetting 503 and spring 502 are respectively positioned on inside shell 501, and spring 502 is fixedly installed on outer
The bottom of the inner side of shell 501, the lower end of briquetting 503 is connected with spring 502, and the upper end of briquetting 503 is slidably connected with the drive end of ratchet 2,
Briquetting 503 can overcome the elastic force of spring 502 to the medial movement of shell 501 under the extruding of ratchet 2.In the present embodiment, spring
502 critical values with a setting, when the extruding force of ratchet 2 is more than the critical value, spring 502 is compressed, when squeezing for ratchet 2
When pressure is less than the critical value, spring 502 can not be compressed；When spring 502 is uncompressed, the upper surface of briquetting 503 and shell
501 upper surface is concordant, or briquetting 503 upper surface of the upper surface higher than shell 501.Further, in the upper of shell 501
End face opens up jagged 501a, accordingly, the limiting section for stretching out is provided with the both sides edge of the upper surface of briquetting 503
503a, limiting section 503a matches with breach 501a, when overcome under extruding force of the briquetting 503 in ratchet 2 elastic force of spring 502 to
When lower mobile, the distance that briquetting 503 is moved down can be limited by the cooperation of limiting section 503a and breach 501a.
The lower end of shell 501 is provided with several lead columns 6 of its slip of support, and several lead columns 6 are slided along sliding block 5
The arrangement of direction parallel interval, the quantity of lead column 6 and length of arranging are corresponding with the movement travel of sliding block 5.Shell 501 with push away
The one end of bar 7 is fixedly connected, and the other end of push rod 7 is driven by driving section.
Driving section includes motor 15, driving lever 13, axle sleeve 12, connecting rod 11, shift fork axle 10, fork 9 and spill block 8, wherein, axle
Set 12 is set on motor output shaft 14, and external screw thread is provided with motor output shaft 14, is provided with axle sleeve 12 and external screw thread phase
The internal thread of adaptation, axle sleeve 12 can be spinned along motor output shaft 14 and move, and the one end of driving lever 13 is arranged on axle sleeve 12, driving lever 13
The other end is arranged in the U-lag of the upper end of connecting rod 11, and the lower end of connecting rod 11 is fixed and is set in shift fork axle 10；Motor 15 starts, electricity
The drivable shaft of machine output shaft 14 set 12 and driving lever 13 are for the helical movement, while driving lever 13 stirs connecting rod 11 rotate, the band again of connecting rod 11
Dynamic shift fork axle 10 rotates, and the upper end of fork 9 is fixedly connected with shift fork axle 10, therefore fork axle 10 can drive shift fork 9 to rotate again, dial
9 lower ends are pitched in the upper recess of spill block 8, so, the rotation of shift fork 9 can be converted into the linear movement of spill block 8, spill
Block 8 is fixedly linked with the one end of push rod 7, can be used as the power source of push rod 7.
To ensure that spill block 8 does linear movement, pilot hole 801 is provided with the side of spill block 8, guide post is interspersed in
In pilot hole 801, and along the force direction extension of ratchet 2.
Automobile is under halted state, and the process of the income ratchet 1 of ratchet 2 is as follows：
When halting mechanism performs income action, motor 15 is rotated, and drives axle sleeve 12 and driving lever 13 to make along motor output shaft 14
Screw, driving lever 13 stirs connecting rod 11 and shift fork axle 10 rotates, and shift fork axle 10 drives shift fork 9 to rotate, and spill block 8 is in shift fork 9
Promotion under linearly moved along guide post, power is passed along axle sleeve 12, driving lever 13, connecting rod 11, shift fork axle 10, shift fork 9, spill block 8
Push rod 7 is delivered to, push rod 7 promotes the wedge of sliding block 5 to enter between ratchet 2 and lead column 6, and now, the extruding force of ratchet 2 is not up to spring
502 critical value, briquetting 503 will not extrusion spring 502 move down, sliding block 5 with entirety in the form of wedge enter ratchet 2 and lead column
Between 6, lead column 6 is maintained static, and ratchet 2 overcomes the moment of torsion of torsion spring 3 to do rotate counterclockwise under the promotion of sliding block 5, is stuck in spine
Between two teeth of wheel 1, income action is completed.
Automobile is under halted state, and the process of the abjection ratchet 1 of ratchet 2 is as follows：
When halting mechanism performs abjection action, motor 15 is rotated backward, and spill block 8 is under the promotion of shift fork 9 along guide post
Reverse linear is moved, and power is delivered to push rod 7, pushes away along axle sleeve 12, driving lever 13, connecting rod 11, shift fork axle 10, shift fork 9, spill block 8
Bar 7 is recalled with movable slider 5, and ratchet 2 rotates clockwise disengaging ratchet 1 in the presence of torsion spring 3, completes abjection action.
Automobile is in the state of running at high speed, if being linked into P gears by mistake, the end of engagement of ratchet 2 can be touched with the tooth top of ratchet 1
Hit, and impact force has exceeded the critical value of spring 502, then the drive end of ratchet 2 extrudes briquetting in the presence of this impact force
503 overcome the elastic force of spring 502 to the medial movement of shell 501, so that the end of engagement of ratchet 2 departs from ratchet 1, prevent ratchet 2
Income ratchet 1, it is ensured that traffic safety.
Obviously, the above embodiment of the present invention illustrates example of the present invention just for the sake of clear, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.It is all this
Any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (7)
1. a kind of halting mechanism of electric automobile, including driving section, push rod, sliding block, lead column, ratchet, torsion spring and ratchet, its
In, described push rod one end is connected with the driving section, and the other end is connected with the sliding block, and the sliding block can be in the guiding
One end under the supporting of post with the ratchet is slidably connected, and the other end of the ratchet may be selected in the presence of the torsion spring
Engaged with the ratchet；It is characterized in that：
The sliding block includes shell, briquetting and spring, and the briquetting and spring are respectively positioned on the enclosure, the briquetting lower end
It is connected with the spring, the briquetting upper end is connected with the detent slide, the briquetting can overcome spring under ratchet effect
Elastic force to the shell medial movement.
2. the halting mechanism of electric automobile according to claim 1, it is characterised in that the spring has facing for a setting
Dividing value, when external force is more than the critical value, spring is compressed, and when external force is less than the critical value, spring can not be compressed.
3. the halting mechanism of electric automobile according to claim 2, it is characterised in that the briquetting is wedge, described
Shell is the wedge-shaped housing similar to the wedge profile, and the push rod is connected with the shell.
4. the halting mechanism of electric automobile according to claim 3, it is characterised in that when the spring is uncompressed, institute
The upper surface for stating briquetting is concordant with the upper surface of the shell.
5. the halting mechanism of electric automobile according to claim 4, it is characterised in that the upper surface of the shell is provided with scarce
Mouthful, the both sides edge of the upper surface of the briquetting is provided with the limiting section for stretching out, the limiting section and the breach phase
Matching.
6. the halting mechanism of electric automobile according to claim 1, it is characterised in that the driving section include spill block,
Fork, shift fork axle and drive division, the spill block are connected with the push rod, and the spill block upper end sets fluted, described group
Fork lower end is located in the groove, and the fork can be rotated under the driving of the drive division with the shift fork axle, the shift fork
Rotation can be converted into the linear movement of the spill block.
7. the halting mechanism of electric automobile according to claim 6, it is characterised in that set on the side of the spill block
There is pilot hole, guide post is interspersed in the pilot hole, and along the force direction extension of the ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710168335.8A CN106763730B (en) | 2017-03-20 | 2017-03-20 | A kind of halting mechanism of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710168335.8A CN106763730B (en) | 2017-03-20 | 2017-03-20 | A kind of halting mechanism of electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763730A true CN106763730A (en) | 2017-05-31 |
| CN106763730B CN106763730B (en) | 2019-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710168335.8A Expired - Fee Related CN106763730B (en) | 2017-03-20 | 2017-03-20 | A kind of halting mechanism of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763730B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477178A (en) * | 2017-07-27 | 2017-12-15 | 北京新能源汽车股份有限公司 | Halting mechanism |
| CN108757923A (en) * | 2018-08-21 | 2018-11-06 | 天津盛泽山汽车技术有限公司 | A kind of new-energy automobile gear shift and parking locking mechanism |
| CN109624731A (en) * | 2019-01-25 | 2019-04-16 | 陈文忠 | A kind of automobile up slope auxiliary device |
| CN110421621A (en) * | 2019-08-27 | 2019-11-08 | 浙江耕盛堂生态农业有限公司 | Bamboo shoots positioning device |
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| CN205101548U (en) * | 2015-11-04 | 2016-03-23 | 科力远混合动力技术有限公司 | Degree of depth hybrid gearbox parking mechanism |
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| CN106051137A (en) * | 2016-06-28 | 2016-10-26 | 泰州市海博汽车科技有限公司 | Multi-gear gearbox and control method thereof |
| CN206626175U (en) * | 2017-03-20 | 2017-11-10 | 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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| DE10316949A1 (en) * | 2003-04-12 | 2004-11-11 | Daimlerchrysler Ag | Automatic transmission parking brake for road vehicle has pawl engaging toothed wheel and pushed into engagement by electric motor driving threaded spindles and knee linkage |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477178A (en) * | 2017-07-27 | 2017-12-15 | 北京新能源汽车股份有限公司 | Halting mechanism |
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| CN109624731A (en) * | 2019-01-25 | 2019-04-16 | 陈文忠 | A kind of automobile up slope auxiliary device |
| CN110421621A (en) * | 2019-08-27 | 2019-11-08 | 浙江耕盛堂生态农业有限公司 | Bamboo shoots positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106763730B (en) | 2019-04-09 |
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Granted publication date: 20190409 |