CN105736693A - Automatic gearbox parking locking mechanism - Google Patents
Automatic gearbox parking locking mechanism Download PDFInfo
- Publication number
- CN105736693A CN105736693A CN201610296587.4A CN201610296587A CN105736693A CN 105736693 A CN105736693 A CN 105736693A CN 201610296587 A CN201610296587 A CN 201610296587A CN 105736693 A CN105736693 A CN 105736693A
- Authority
- CN
- China
- Prior art keywords
- parking
- pin
- transmission
- guide plate
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
- F16H63/3433—Details of latch mechanisms, e.g. for keeping pawls out of engagement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention relates to an automatic gearbox parking locking mechanism, which comprises a parking gear, a parking pallet, an executing pin, a guide plate and a parking base, wherein the parking gear is arranged on a middle shaft of the a gearbox; the parking pallet is engaged with the parking gear; the executing pin is used for driving the parking pallet to be engaged with the parking gear; the guide plate is used for guiding the executing pin to move; the parking base is used for carrying the executing pin to stress; the guide plate is clamped and connected onto the parking base; the executing pin passes through the guide element; one end of the parking pallet is connected with a pallet pin in a sleeving way and rotates around the pallet pin; the other end of the parking pallet is rotationally arranged inside the gearbox; in addition, the parking pallet rotates between the locking position engaged with the parking gear and a release position disengaging from the parking gear. The automatic gearbox parking locking mechanism has the advantages that the structure is compact; the parts are few; the loosening risk is low.
Description
Technical field
The present invention relates to the technology in a kind of automotive transmission field, specifically a kind of halting mechanism for automatic transmission.
Background technology
The halting mechanism of existing automatic transmission, parking base is by realizing parking function with coordinating of ratchet, push rod assembly and parking gear, and provides the stress strong point in parking process for push rod assembly.Push rod assembly is in motor process, it is necessary to good guide effect, and under non-P shelves state, it is necessary to preventing what push rod assembly from bringing because of vibration to rock noise, guide plate plays this effect.In correlation technique, parking base and guide plate are arranged on case of transmission by bolt, positioning precision is relatively low, assembling is complicated, element precision requires height, and the power suffered by parking base or guide plate can act on case of transmission by bolt, thus the requirement of strength of case of transmission and bolt is higher, bolt is hit load and loosening risk is bigger.Additionally, the mounting means of bolt needs to take bigger space.
Summary of the invention
The present invention is directed to prior art above shortcomings, it is proposed to a kind of automatic transmission parking locking mechanism, there is compact conformation, number of parts is few, loosen the advantage that risk is low.
The present invention is achieved by the following technical solutions:
The present invention includes: be arranged at the parking gear on transmission countershaft, the park pawl being meshed with parking gear, for the execution pin driving park pawl to engage with parking gear, the guide plate of pin motion is performed and for carrying the parking base performing pin stress for leading, wherein: guide plate is connected on parking base, perform to sell through guide, one end of park pawl is socketed with detent pin and rotates around detent pin, the other end rotates and is arranged at inside variator, and this park pawl the lock position engaged with parking gear and and parking gear depart from off-position between rotate.
Described parking base is arranged on the internal face of case of transmission, and this parking base is circular with the cross section of housing matching part and interference is fitted in the installation hole slot on the internal face of case of transmission.
Described park pawl is provided with return spring and detent pin, wherein: the two ends of detent pin are supported by case of transmission, one end of return spring is buckled in park pawl, and the other end is stuck on case of transmission as return torsion spring, and often pushes described park pawl to off-position.
The described pin that performs utilizes the pretightning force of preloading spring to be arranged on push rod, and push rod one end is connected in rocker plate, and the other end contacts with parking base with performing pin.
By the main speed reducing ratio subtracting gear pair, locking demand torque is reduced；Locking power is caused on case of transmission by execution pin conduction of leading simultaneously but not act on selector shaft.
Technique effect
Compared with prior art, guide plate of the present invention is snapped on parking base, parking base press-fits on case of transmission, this kind of structure decreases number of parts, and parking base or guide plate need not be fixed by bolt, reduce loosening risk, decrease the space taking variator, reduce assembly cost simultaneously.Guide plate is punching press plate, its from perform pin gap and can need to carry out bending according to different gears and adjust, the kinestate performing pin under different gears is accurately led, it is to avoid the problem of the partial gear steering capability difference that single shape causes.Especially, guide plate and execution pin keep minimum gap when D shelves, and to ensure that vehicle is when advancing, performing pin will not rock in guide plate and make a noise.Guide plate is sheet member, has an elasticity, reduces further to perform under non-P shelves state to sell and rocks noise in guide plate.
Accompanying drawing explanation
Fig. 1 present configuration schematic perspective view；
Fig. 2 is parking base schematic diagram；
Fig. 3 is guide plate schematic diagram；
Fig. 4 is park pawl assembly schematic diagram；
Fig. 5 is park pawl assembly and push rod assembly schematic diagram；
In figure: parking gear 1, park pawl 2, execution pin 3, guide plate 4, parking base 5, return spring 6, rocker arm shaft 7, rocker plate 8, drag-line ball 9, drag-line plate 10, preloading spring 11, push rod 12, detent pin 13, surely row's pin 14.
Detailed description of the invention
As shown in Figure 1, the present embodiment includes: be arranged at the parking gear 1 on transmission countershaft, the park pawl 2 being meshed with parking gear 1, for the execution pin 3 driving park pawl 2 to engage with parking gear 1, the guide plate 4 of pin 3 motion is performed and for carrying the parking base 5 performing pin 3 stress for leading, wherein: guide plate 4 is connected on parking base 5, perform pin 3 traverse guide, one end of park pawl 2 is socketed with detent pin and rotates around detent pin, the other end rotates and is arranged at inside variator, and this park pawl 2 the lock position engaged with parking gear 1 and and the off-position that departs from of parking gear 1 between rotatable.
As it is shown in figure 1, the middle part of described rocker plate 8 is connected with rocker arm shaft 7, rocker plate 8 one end is connected with push rod 12, and the other end is provided with detent, and this detent is coordinated be accurately positioned gear positions by the row's pin 14 of determining being fitted in interference on case of transmission.
Described rocker arm shaft 7 is through case of transmission, and its one end is connected with rocker plate 8, and the other end is connected with drag-line plate 10, and drag-line plate 10 is connected with drag-line ball 9.
As shown in Figure 2, described parking base 5 is arranged on the internal face of case of transmission, this parking base 5 is circular with the cross section of housing matching part and interference is fitted in the installation hole slot on the internal face of case of transmission, so can significantly reduce number of parts, and parking base or guide plate need not be fixed by bolt, reduce loosening risk, decrease the space taking variator, reduce assembly cost simultaneously.
As it is shown on figure 3, described guide plate is for having elastic thin wall punching press plate, rocking noise to reduce further to perform under non-P shelves state to sell in guide plate, this guide plate can be snapped on parking base by hand, easy to assembly.
There is between the card buckle of described guide plate and parking base circumferential with axial good fit location, it is ensured that guide will not rotate or come off in the course of the work；And guide plate and execution pin gap can need to carry out bending according to different gears and adjust, the kinestate performing pin under different gears is accurately led, it is to avoid the problem of the partial gear steering capability difference that single shape causes.
Especially, guide plate and execution pin keep minimum gap when D shelves, and to ensure that vehicle is when advancing, performing pin will not rock in guide plate and make a noise.
As shown in Figure 1 and Figure 4, described park pawl 2 is provided with return spring 6 and detent pin 13, wherein: the two ends of detent pin 13 are supported by case of transmission, one end of return spring 6 is buckled in park pawl, the other end is stuck on case of transmission as return torsion spring, and often pushes described park pawl 2 to off-position.
As it is shown in figure 5, the described pin 3 that performs utilizes the pretightning force of preloading spring 11 to be arranged on push rod 12, push rod 12 one end is connected in rocker plate 8, and the other end contacts with parking base 5 with performing pin 3.
Guide plate in this device accurately can lead according to the kinestate performing pin under different gears, avoid the problem of partial gear steering capability difference in prior art, guide plate and execution pin keep minimum gap when D shelves, to ensure that vehicle is when advancing, parking push rod will not rock in guide plate and make a noise；Parking base can directly interference be press-fitted on case of transmission, and number of parts is few, takes up room little, and easy to assembly, function is reliable.
Locking demand torque, by the main speed reducing ratio subtracting gear pair, is reduced by this device, and locking power performs pin conduction to case of transmission by leading simultaneously, will not act on selector shaft, and therefore gear shift rotates easily, good hand touch of shifting gears；Additionally, this device can adopt tradition drag-line mode to carry out parking action, it would however also be possible to employ electric device or hydraulic means carry out action, electric device or hydraulic means or pneumatic means can be hung on outward outside variator, are not take up variator inner space.
It can be carried out local directed complete set by those skilled in the art in a different manner by above-mentioned being embodied as under the premise without departing substantially from the principle of the invention and objective; protection scope of the present invention is as the criterion with claims and is not limit by above-mentioned being embodied as, and each implementation within the scope of it is all by the constraint of the present invention.
Claims (5)
1. an automatic transmission parking locking mechanism, it is characterized in that, including: it is arranged at the parking gear on transmission countershaft, the park pawl being meshed with parking gear, for the execution pin driving park pawl to engage with parking gear, the guide plate of pin motion is performed and for carrying the parking base performing pin stress for leading, wherein: guide plate is connected on parking base, perform to sell through guide, one end of park pawl is socketed with detent pin and rotates around detent pin, the other end rotates and is arranged at inside variator, and this park pawl the lock position engaged with parking gear and and parking gear depart from off-position between rotate；
Described park pawl is provided with return spring and detent pin, wherein: the two ends of detent pin are supported by case of transmission, one end of return spring is buckled in park pawl, the other end is stuck on case of transmission as return torsion spring, and often push described park pawl to off-position, the described pin that performs utilizes the pretightning force of preloading spring to be arranged on push rod, push rod one end is connected in rocker plate, the other end contacts with parking base with performing pin, is reduced by locking demand torque by the main speed reducing ratio subtracting gear pair；Locking power is caused on case of transmission by execution pin conduction of leading simultaneously but not act on selector shaft；
Described guide plate is for having elastic thin wall punching press plate and being movably set on parking base, and this guide plate and execution pin keep minimum gap when D shelves, and to ensure that vehicle is when advancing, performing pin will not rock in guide plate and make a noise.
2. automatic transmission parking locking mechanism according to claim 1, it is characterized in that, the middle part of described rocker plate is connected with rocker arm shaft; rocker plate one end is connected with push rod; the other end is provided with detent, and this detent coordinates to be accurately positioned gear positions by the fixed row's pin being fitted on case of transmission with interference.
3. automatic transmission parking locking mechanism according to claim 1, is characterized in that, described rocker arm shaft is through case of transmission, and its one end is connected with rocker plate, and the other end is connected with drag-line plate, and drag-line plate is connected with drag-line ball.
4. automatic transmission parking locking mechanism according to claim 1, is characterized in that, described parking base is arranged on the internal face of case of transmission.
5. automatic transmission parking locking mechanism according to claim 4, is characterized in that, described parking base is circular with the cross section of housing matching part and interference is fitted in the installation hole slot on the internal face of case of transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296587.4A CN105736693B (en) | 2016-05-06 | 2016-05-06 | Automatic transmission parking locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296587.4A CN105736693B (en) | 2016-05-06 | 2016-05-06 | Automatic transmission parking locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736693A true CN105736693A (en) | 2016-07-06 |
| CN105736693B CN105736693B (en) | 2019-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610296587.4A Active CN105736693B (en) | 2016-05-06 | 2016-05-06 | Automatic transmission parking locking mechanism |
Country Status (1)
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| CN (1) | CN105736693B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763730A (en) * | 2017-03-20 | 2017-05-31 | 中汽研（天津）汽车工程研究院有限公司 | A kind of halting mechanism of electric automobile |
| CN108087545A (en) * | 2016-11-22 | 2018-05-29 | 上海汽车集团股份有限公司 | Parking and braking mechanism, parking braking system, automatic gear-box and automobile |
| CN108278365A (en) * | 2018-03-21 | 2018-07-13 | 重庆青山工业有限责任公司 | Automatic transmission mechanical parking mechanism |
| CN108916377A (en) * | 2018-08-31 | 2018-11-30 | 海马汽车有限公司 | Parking execution device, double-clutch speed changer and automobile |
| CN114838125A (en) * | 2022-03-28 | 2022-08-02 | 重庆长安汽车股份有限公司 | Transmission parking mechanism, transmission and automobile |
| CN115046007A (en) * | 2022-06-17 | 2022-09-13 | 安徽江淮汽车集团股份有限公司 | Electronic parking mechanism of transmission |
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| CN101275673A (en) * | 2007-03-27 | 2008-10-01 | 三菱自动车工业株式会社 | Parking mechanism for a transmission |
| JP2010265974A (en) * | 2009-05-13 | 2010-11-25 | Jatco Ltd | Parking mechanism |
| CN102777596A (en) * | 2012-07-26 | 2012-11-14 | 长城汽车股份有限公司 | Self-locking device of gears of speed changer |
| WO2013024217A1 (en) * | 2011-08-17 | 2013-02-21 | Peugeot Citroen Automobiles Sa | System for locking in "park" a transmission comprising an automatic gearbox |
| CN203395167U (en) * | 2013-07-04 | 2014-01-15 | 中国第一汽车股份有限公司 | Parking brake pull rod assembly of double-clutch type automatic transmission |
| CN203438856U (en) * | 2013-08-06 | 2014-02-19 | 安徽江淮汽车股份有限公司 | Support frame for gear-selecting/shifting flexible shaft |
| DE102012216308A1 (en) * | 2012-09-13 | 2014-03-13 | Zf Friedrichshafen Ag | Parking lock for motor car gear box, has locking element clamped between lock pawl and guiding plate in blocked state to prevent pressing-out of lock pawl from tooth space, and designed as component from ceramic material and zirconia |
| CN204041981U (en) * | 2014-04-30 | 2014-12-24 | 长城汽车股份有限公司 | Transmission for vehicles and vehicle |
| CN204437254U (en) * | 2015-01-26 | 2015-07-01 | 长城汽车股份有限公司 | The halting mechanism of automatic transmission, automatic transmission and automobile |
| CN105114622A (en) * | 2015-09-15 | 2015-12-02 | 重庆长安汽车股份有限公司 | Parking locking mechanism for automatic transmissions |
| CN204921951U (en) * | 2015-06-29 | 2015-12-30 | 上汽通用汽车有限公司 | Manual gear shifting ware selects shift decoupling zero device, manual gear shifting ware and car |
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2016
- 2016-05-06 CN CN201610296587.4A patent/CN105736693B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359327A1 (en) * | 2003-12-17 | 2005-07-21 | Zf Friedrichshafen Ag | Automatic gearbox parking lock for motor vehicle, has locking component to lock blocking component by parking lock mechanism, when gear is engaged in driving position, where mechanism directly leads to movement of blocking component |
| CN101275673A (en) * | 2007-03-27 | 2008-10-01 | 三菱自动车工业株式会社 | Parking mechanism for a transmission |
| JP2010265974A (en) * | 2009-05-13 | 2010-11-25 | Jatco Ltd | Parking mechanism |
| WO2013024217A1 (en) * | 2011-08-17 | 2013-02-21 | Peugeot Citroen Automobiles Sa | System for locking in "park" a transmission comprising an automatic gearbox |
| CN102777596A (en) * | 2012-07-26 | 2012-11-14 | 长城汽车股份有限公司 | Self-locking device of gears of speed changer |
| DE102012216308A1 (en) * | 2012-09-13 | 2014-03-13 | Zf Friedrichshafen Ag | Parking lock for motor car gear box, has locking element clamped between lock pawl and guiding plate in blocked state to prevent pressing-out of lock pawl from tooth space, and designed as component from ceramic material and zirconia |
| CN203395167U (en) * | 2013-07-04 | 2014-01-15 | 中国第一汽车股份有限公司 | Parking brake pull rod assembly of double-clutch type automatic transmission |
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| CN204921951U (en) * | 2015-06-29 | 2015-12-30 | 上汽通用汽车有限公司 | Manual gear shifting ware selects shift decoupling zero device, manual gear shifting ware and car |
| CN105114622A (en) * | 2015-09-15 | 2015-12-02 | 重庆长安汽车股份有限公司 | Parking locking mechanism for automatic transmissions |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087545A (en) * | 2016-11-22 | 2018-05-29 | 上海汽车集团股份有限公司 | Parking and braking mechanism, parking braking system, automatic gear-box and automobile |
| CN108087545B (en) * | 2016-11-22 | 2019-08-13 | 上海汽车集团股份有限公司 | Parking and braking mechanism, parking braking system, automatic gear-box and automobile |
| CN106763730A (en) * | 2017-03-20 | 2017-05-31 | 中汽研（天津）汽车工程研究院有限公司 | A kind of halting mechanism of electric automobile |
| CN106763730B (en) * | 2017-03-20 | 2019-04-09 | 中汽研（天津）汽车工程研究院有限公司 | A kind of halting mechanism of electric car |
| CN108278365A (en) * | 2018-03-21 | 2018-07-13 | 重庆青山工业有限责任公司 | Automatic transmission mechanical parking mechanism |
| CN108916377A (en) * | 2018-08-31 | 2018-11-30 | 海马汽车有限公司 | Parking execution device, double-clutch speed changer and automobile |
| CN108916377B (en) * | 2018-08-31 | 2024-04-02 | 海马汽车有限公司 | Parking execution device, double-clutch transmission and automobile |
| CN114838125A (en) * | 2022-03-28 | 2022-08-02 | 重庆长安汽车股份有限公司 | Transmission parking mechanism, transmission and automobile |
| CN115046007A (en) * | 2022-06-17 | 2022-09-13 | 安徽江淮汽车集团股份有限公司 | Electronic parking mechanism of transmission |
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| CN105736693B (en) | 2019-05-07 |
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