CN103615534B - A kind of automobile-used hill start parking automatic releasing device - Google Patents
A kind of automobile-used hill start parking automatic releasing device Download PDFInfo
- Publication number
- CN103615534B CN103615534B CN201310601130.6A CN201310601130A CN103615534B CN 103615534 B CN103615534 B CN 103615534B CN 201310601130 A CN201310601130 A CN 201310601130A CN 103615534 B CN103615534 B CN 103615534B
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- China
- Prior art keywords
- clutch
- groove
- way clutch
- locating piece
- clutch collar
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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
- 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
- F16H63/3408—Locking or disabling mechanisms the locking mechanism being moved by the final actuating mechanism
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a kind of automobile-used hill start parking automatic releasing device, including splined hub, clutch collar, one-way clutch and locating piece；The internal spline of splined hub coordinates with the external splines of transmission output shaft, and splined hub is axially fixed on transmission output shaft by snap ring；The external splines of splined hub is provided with chamfering facing to one end of clutch collar, and the internal spline of clutch collar also is provided with chamfering facing to one end of splined hub, and both chamferings fasten relatively；The inner face ring flange of one-way clutch is fixing with case of transmission bolt to be connected, and the external splines of one-way clutch coordinates with the internal spline of clutch collar, and clutch collar is socketed in outside one-way clutch；This device simple and reliable for structure, it is possible to accurately obtain the driving force critical point more than running resistance so that vehicle starting is no-delay without delayed, it is achieved quickly, start to walk smoothly.
Description
Technical field
The invention belongs to technical field of vehicle, be specifically related to a kind of automobile-used hill start parking automatic releasing device.
Background technology
Traditional parking brake, when hill start, needs to rely on driver manually to discharge braking or skilled throttle, clutch coordinates to come happy starting, makes driver produce intense strain, and adds the physical demands of driver, is automatically releasable hand brake system and arises at the historic moment.Increasing car starts to be equipped with electronics parking brake now, and it extends to automatic parking function AUTO HOLD from basic parking function.Automatic parking function is to measure Gradient by Slope Transducer, and is provided parking power accurately according to Gradient by controller.When starting, parking control unit passes through clutch range sensor, and the information that clutch is mediated velocity sensor, accelerator pedal sensor etc. and provided calculates, when driving force is more than running resistance, parking control unit is automatically releasable parking braking, so that automobile can gentle start.
But, ignore the change of the factor such as complete vehicle curb weight and road running resistance, the information provided by numerous sensors determines that whether driving force is more than running resistance, the precision of result of calculation is not high enough, this make AUTO HOLD automatic parking function just start with when have one period of laundering period, when particularly starting to walk, throttle steps down and brakes and need the most especially when failing to unclamp in time to adapt to.
Summary of the invention
For defect or deficiency present in above-mentioned prior art, it is an object of the invention to, a kind of automobile-used hill start parking automatic releasing device is provided, this device simple and reliable for structure, can accurately obtain the driving force critical point more than running resistance, make vehicle starting no-delay without delayed, it is achieved quickly, to start to walk smoothly.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of automobile-used hill start parking automatic releasing device, including splined hub, clutch collar, one-way clutch and locating piece；Wherein, the internal spline of splined hub coordinates with the external splines of transmission output shaft, and splined hub is axially fixed on transmission output shaft by snap ring；The external splines of splined hub is provided with chamfering facing to one end of clutch collar, and the internal spline of clutch collar also is provided with chamfering facing to one end of splined hub, and both chamferings fasten relatively；The inner face ring flange of one-way clutch is fixing with case of transmission bolt to be connected, and the external splines of one-way clutch coordinates with the internal spline of clutch collar, and clutch collar is socketed in outside one-way clutch；
Circumferentially arranged with multiple first groove a on the inwall of clutch collar, the outer wall of one-way clutch and the first groove a corresponding position are equipped with a pair second groove c, every a pair second groove c and are separately positioned on the both sides of one-way clutch；Locating piece includes the first protruding d at mobile jib and mobile jib two ends, and the first protruding d end is equipped with groove, is provided with the second protruding b in the middle part of mobile jib；The protruding d of the first of the two ends of each locating piece sticks in two the second groove c of one-way clutch corresponding to this locating piece respectively, the protruding b of the second of each locating piece all loads in the first groove a on clutch collar inwall, thus by circumferentially fixed for one-way clutch in clutch collar.
Further, the inwall both sides of described one-way clutch are separately installed with the first wire spring and the second wire spring, in the groove of the first wire spring and the second wire spring corresponding one the first protruding d being stuck in each locating piece respectively, each locating piece is radially extrapolated, makes the in the middle part of locating piece second protruding b be pressed in the first groove a of clutch collar inwall.
Further, circumferentially arranged with 3 the first groove a on the inwall of described clutch collar, the outer wall circumferentially arranged 3 of one-way clutch is to the second groove c.
Compared with prior art, the invention has the beneficial effects as follows: respond sensitive during hill start that starting smooth-going, without lagging feeling, eliminates the setting of numerous sensor, reliability is high, simple in construction.
Accompanying drawing explanation
Fig. 1 is the exploded view of the automobile-used hill start parking automatic releasing device of the present invention.
Fig. 2 is the work process sectional view of the automobile-used hill start parking automatic releasing device of the present invention.Wherein, Fig. 2 (a) is the vehicle sectional view of the present invention, sectional view of present invention when Fig. 2 (b) is hill start when normally advancing.
Each label implication in figure: 1-splined hub；2-clutch collar；3-one-way clutch；4-the first wire spring；5-locating piece；6-the second wire spring.
The present invention is further described below in conjunction with the accompanying drawings.
Detailed description of the invention
The thinking of the present invention is: increase an one-way clutch in the variator of automobile, utilize one-way clutch single direction rotation principle, separate and joint with transmission output shaft by controlling the round end of one-way clutch, realize the one-directional rotation of transmission output shaft during vehicle hill start, the clutch self-locking when driving force is less than running resistance, slide after preventing vehicle, the clutch self-locking releasing when driving force is more than running resistance, vehicle can freely advance, thus realize hill start parking and be automatically releasable.
As shown in Figure 1 and Figure 2, the automobile-used hill start parking automatic releasing device of the present invention, including splined hub 1, clutch collar 2, one-way clutch the 3, first wire spring 4, locating piece 5 and the second wire spring 6；Wherein, the internal spline of splined hub 1 coordinates with the external splines of transmission output shaft, and splined hub 1 is axially fixed on transmission output shaft by snap ring；The external splines of splined hub 1 is provided with chamfering facing to one end of clutch collar 2, and the internal spline of clutch collar 2 also is provided with chamfering facing to one end of splined hub 1, and both chamferings fasten relatively；The inner face ring flange of one-way clutch 3 is fixing with case of transmission bolt to be connected, and the external splines of one-way clutch 3 coordinates with the internal spline of clutch collar 2, and it is outside that clutch collar 2 is socketed in one-way clutch 3；
Circumferentially arranged with multiple first groove a on the inwall of clutch collar 2, the outer wall of one-way clutch 3 and the first groove a corresponding position are equipped with a pair second groove c, every a pair second groove c and are separately positioned on the both sides of one-way clutch 3；Locating piece 5 includes the first protruding d at mobile jib and mobile jib two ends, and the first protruding d end is equipped with groove, is provided with the second protruding b in the middle part of mobile jib；In two the second groove c of the one-way clutch 3 that the protruding d of the first of the two ends of each locating piece 5 sticks into this locating piece 5 correspondence respectively, the protruding b of the second of each locating piece 5 all loads in the first groove a on clutch collar 2 inwall, thus by circumferentially fixed for one-way clutch 3 in clutch collar 2；
The inwall both sides of one-way clutch 3 are separately installed with the first wire spring 4 and the second wire spring 6, in the groove of the first wire spring 4 and the second wire spring 6 corresponding one the first protruding d being stuck in each locating piece 5 respectively, each locating piece 5 is radially extrapolated, makes the in the middle part of locating piece 5 second protruding b be pressed in the first groove a of clutch collar 2 inwall.
In the present embodiment, circumferentially arranged with 3 the first groove a on the inwall of clutch collar 2, the outer wall circumferentially arranged 3 of one-way clutch 3 is to the second groove c.
The operation principle of the present invention is as follows:
When normally travelling, clutch collar 2 internal spline engages with one-way clutch 3 external splines, locating piece 5 raised position is pressed on the inside groove of clutch collar 2, prevent clutch collar 2 play, clutch collar 2 and splined hub 1 are in released state, moment of torsion can make automobile freely advance, as shown in Fig. 2 (a) with in normal delivery to the output shaft of variator.
During automobile up slope, when speed is soon close to zero, making clutch collar 2 slide to the left and match with the external splines of splined hub 1 by shift fork, now the external splines of splined hub 1, clutch collar 2 and one-way clutch 3 is connected, as shown in Fig. 2 (b).Owing to the external splines of one-way clutch 3 can rotate towards the direction that automobile advances, and clutch collar 2 is the least with the external splines rotary inertia of one-way clutch 3, during so speed is soon close to zero, the speed discrepancy between splined hub 1 and clutch collar 2 has no effect on clutch collar 2 and slides to the left.
When automobile is slided backward, wheel drives transmission output shaft to reversely rotate by power transmission shaft, and then drives splined hub 1 to reversely rotate, and owing to the external splines of one-way clutch 3 reversely can not rotate, i.e. produces self-locking, thus sliding after stoping automobile.
When automobile needs to advance, when driving force is less than running resistance, this device continues to keep self-locking, sliding after preventing automobile.When driving force is more than running resistance, the moment of torsion passed over from electromotor overcomes running resistance square so that splined hub 1 rotates forward, and one-way clutch 3 self-locking releases immediately, and vehicle can freely advance.
Claims (1)
1. an automobile-used hill start parking automatic releasing device, it is characterised in that include splined hub (1),
Clutch collar (2), one-way clutch (3) and locating piece (5)；Wherein, the interior flower of splined hub (1)
Key coordinates with the external splines of transmission output shaft, and splined hub (1) is axially fixed in variator by snap ring
On output shaft；The external splines of splined hub (1) is provided with chamfering facing to one end of clutch collar (2), engages
The internal spline of set (2) also is provided with chamfering facing to one end of splined hub (1), both chamfering phase make-ups
Close；The inner face ring flange of one-way clutch (3) is fixing with case of transmission bolt to be connected, unidirectional
The external splines of clutch (3) coordinates with the internal spline of clutch collar (2), and clutch collar (2) is socketed in list
Outside to clutch (3)；
Circumferentially arranged with multiple first groove a, one-way clutch (3) on the inwall of clutch collar (2)
Outer wall and the first groove a corresponding position be equipped with a pair second groove c, every a pair second grooves
C is separately positioned on the both sides of one-way clutch (3)；Locating piece (5) includes mobile jib and mobile jib two
The protruding d of the first of end, the first protruding d end is equipped with groove, is provided with the second protruding b in the middle part of mobile jib；
The protruding d of the first of the two ends of each locating piece (5) sticks into the unidirectional of this locating piece (5) correspondence respectively
In two the second groove c of clutch (3), the protruding b of the second of each locating piece (5) all loads
In the first groove a on clutch collar (2) inwall, thus one-way clutch (3) is circumferentially fixed
In clutch collar (2)；
The inwall both sides of described one-way clutch (3) are separately installed with the first wire spring (4) and
Two wire springs (6), the first wire spring (4) and the second wire spring (6) correspondence respectively are stuck in
In the groove of one first of each locating piece (5) protruding d, by each locating piece (5) radially outside
Push away, make the second protruding b at locating piece (5) middle part be pressed on the first groove of clutch collar (2) inwall
In a；
Circumferentially arranged with 3 the first groove a, one-way clutch (3) on the inwall of described clutch collar (2)
Outer wall circumferentially arranged 3 to the second groove c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601130.6A CN103615534B (en) | 2013-11-21 | 2013-11-21 | A kind of automobile-used hill start parking automatic releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601130.6A CN103615534B (en) | 2013-11-21 | 2013-11-21 | A kind of automobile-used hill start parking automatic releasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615534A CN103615534A (en) | 2014-03-05 |
| CN103615534B true CN103615534B (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310601130.6A Expired - Fee Related CN103615534B (en) | 2013-11-21 | 2013-11-21 | A kind of automobile-used hill start parking automatic releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615534B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129285A (en) * | 2014-07-11 | 2014-11-05 | 力帆实业(集团)股份有限公司 | Downward sliding prevention system and downward sliding prevention device thereof |
| CN106969138B (en) * | 2017-05-31 | 2018-11-16 | 安徽江淮汽车集团股份有限公司 | A kind of gearbox shafting locking structure |
| CN108071703A (en) * | 2018-01-11 | 2018-05-25 | 宁波万航实业有限公司 | A kind of constant velocity driving shaft assembly of belt wheel end differential lock |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19952019A1 (en) * | 1999-05-13 | 2000-11-23 | Hyundai Motor Co Ltd | Parking brake for automatic transmission gearing, having blocking arrangement to block turn of first cog, if first and second cog are brought close together |
| CN201013886Y (en) * | 2007-03-01 | 2008-01-30 | 振昕(台山)齿轮变速箱有限公司 | 1.3 L transmission gear box speed changing change gear device |
| CN202768748U (en) * | 2012-08-25 | 2013-03-06 | 贾建有 | Synchronizer |
| CN103192706A (en) * | 2013-04-12 | 2013-07-10 | 重庆工业职业技术学院 | Device for preventing slope sliding |
| CN103352932A (en) * | 2013-07-03 | 2013-10-16 | 南京理工大学 | Reinforced synchronizer |
| CN203717890U (en) * | 2013-11-21 | 2014-07-16 | 长安大学 | Automatic release device for hill start and parking of automobile |
-
2013
- 2013-11-21 CN CN201310601130.6A patent/CN103615534B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19952019A1 (en) * | 1999-05-13 | 2000-11-23 | Hyundai Motor Co Ltd | Parking brake for automatic transmission gearing, having blocking arrangement to block turn of first cog, if first and second cog are brought close together |
| CN201013886Y (en) * | 2007-03-01 | 2008-01-30 | 振昕(台山)齿轮变速箱有限公司 | 1.3 L transmission gear box speed changing change gear device |
| CN202768748U (en) * | 2012-08-25 | 2013-03-06 | 贾建有 | Synchronizer |
| CN103192706A (en) * | 2013-04-12 | 2013-07-10 | 重庆工业职业技术学院 | Device for preventing slope sliding |
| CN103352932A (en) * | 2013-07-03 | 2013-10-16 | 南京理工大学 | Reinforced synchronizer |
| CN203717890U (en) * | 2013-11-21 | 2014-07-16 | 长安大学 | Automatic release device for hill start and parking of automobile |
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| Publication number | Publication date |
|---|---|
| CN103615534A (en) | 2014-03-05 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160817 Termination date: 20171121 |