CN101973209A - Parking mechanism of automotive automatic transmission - Google Patents
Parking mechanism of automotive automatic transmission Download PDFInfo
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- CN101973209A CN101973209A CN 201010514312 CN201010514312A CN101973209A CN 101973209 A CN101973209 A CN 101973209A CN 201010514312 CN201010514312 CN 201010514312 CN 201010514312 A CN201010514312 A CN 201010514312A CN 101973209 A CN101973209 A CN 101973209A
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- rail plate
- positioning rail
- parking
- park pawl
- halting mechanism
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Abstract
The invention provides a parking mechanism of an automotive automatic transmission, belonging to the automotive technical field, and the problems of complicated structure and high processing cost of the existing parking mechanism are solved. The parking mechanism of the automotive automatic transmission comprises a parking ratchet wheel connected with a differential shell, a parking pawl meshed with the parking ratchet wheel, and a positioning rail plate hinged on an automobile body, wherein, the parking pawl is hinged on the car body through a rotating shaft; the parking ratchet wheel, the parking pawl and the positioning rail plate are positioned in the same plane; the positioning rail plate is hinged with a push rod; the push rod is sequentially sheathed with a sliding part and a spring one end of which props against the end part of the sliding part, and the sliding part props against the parking pawl under the action of a pressure bar; and when the positioning rail plate rotates, the sliding part can push the parking pawl to be clamped in the ratchets of the parking ratchet wheel. The parking mechanism of the invention has the advantage of compact and simple structure, good assembly technique and the like.
Description
Technical field
The invention belongs to automobile technical field, relate to the halting mechanism of a kind of halting mechanism, particularly a kind of automatic gearbox.
Background technology
At present along with science and technology development, automobile has become people's requisite vehicle of going on a journey.Automotive transmission is divided into manually and automatic transmission with hydraulic torque converter according to the difference of gear changing mode.Automatic transmission with hydraulic torque converter has become a kind of trend of change-speed box development owing to easy for operation.Halting mechanism is a kind of safety device that prevents in the automatic transmission with hydraulic torque converter that vehicle from sliding, and is anchored on the certain position even slope with making the reliable and no time limit of automobile.The structure that halting mechanism adopts mechanical type to drive to avoid fault.
There is following problem in the design of disclosed automatic transmission with hydraulic torque converter halting mechanism at present: the layout of its gearshift and push rod generally adopts vertical stratification, and arrangement space requires big; Park pawl exists and park pawl ingear possibility in the running car vibration processes; The position limiting structure depression bar complex structure of push rod assembly, and assembly process process is poor; Spline is adopted in the installation of Parking ratchet and diff, complex structure, tooling cost height, and assembly process process is poor; Gear anchor fitting planar spring generally all needs pressure plate structure to realize the spring positioning function, and part is many, complex structure.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of compact conformation, simple, the halting mechanism of the automatic gearbox that assembly process process is good at existing technology.
Purpose of the present invention can realize by following technical proposal:
The halting mechanism of this automatic gearbox, comprise the Parking ratchet that links to each other with differential casing, can with the park pawl of Parking ratchet engaged, and be hinged on positioning rail plate on the car body, described park pawl is hinged on the car body by axis of revolution, described Parking ratchet, park pawl and positioning rail plate are positioned at same plane, it is characterized in that, be hinged with push rod on the described positioning rail plate, be arranged with a sliding component and an end on the described push rod successively and can be resisted against the spring of sliding component end, described sliding component under the effect of a depression bar with park pawl against, described sliding component can promote park pawl when described positioning rail plate rotates, and park pawl is snapped in the ratchet of Parking ratchet.
When hanging Parking P shelves, selector makes the rotation of positioning rail plate by flexible axle pulling positioning rail plate, forces the sliding component compression spring.When park pawl was relative with Parking ratchet teeth groove, release spring moved sliding component on the park pawl driving surface, under the effect of depression bar, park pawl is down rotated, thereby realizes Parking.Here the depression bar of She Zhiing is cylindric, is vertically set on the top of push rod, and the depression bar front and back end cooperates with the front and rear casing body space, and relies on housing that depression bar is carried out axial location, and by the rotation of square limiting stopper restriction depression bar.When breaking away from the Parking shelves, under the effect of berth-changing strength, the positioning rail plate is pulled, and makes push rod and spring return back to original position like this, and push rod loses the application force to park pawl, so park pawl can break away from the Parking shelves under the effect of spring.
In the halting mechanism of above-mentioned automatic gearbox, described positioning rail plate is provided with chute, is hinged with strut bar on the described Parking ratchet, and the other end of described strut bar has circuitous portion, and described circuitous portion is positioned at above-mentioned chute.
Here the strut bar of She Zhiing mainly plays interconnect function to positioning rail plate and park pawl, and park pawl is swung in certain scope, and the length of strut member is certain, thereby can limit the scope of sliding component slippage sheathed on the push rod.
In the halting mechanism of above-mentioned automatic gearbox, be fixed with a gearshift axle on the described positioning rail plate, an end of described gearshift axle is provided with rocking arm, and described rocking arm and positioning rail plate be arranged in parallel.Here the rocking arm of She Zhiing links to each other with selector with flexible axle on the automobile.
In the halting mechanism of above-mentioned automatic gearbox, the free end end of described push rod also is provided with block, and the other end of described spring is resisted against on the block.Spring is played position-limiting action, prevent that spring from pushing away push rod.
In the halting mechanism of above-mentioned automatic gearbox, the edge of described positioning rail plate is provided with planar spring, one end of described planar spring is provided with axle sleeve, be equipped with roller bearing in the described axle sleeve, described axle sleeve can rotate freely around roller bearing, and described roller bearing is connected on the above-mentioned positioning rail plate.
In the halting mechanism of above-mentioned automatic gearbox, described sliding component is cylindric, and it is axially arranged with through hole, and above-mentioned push rod is located in the described through hole, and described sliding component offers the bevelled inclined-plane away from a distolateral portion of spring.In the process of slippage, its inclined-plane extruding park pawl makes park pawl move to Parking ratchet direction.
In the halting mechanism of above-mentioned automatic gearbox, described axis of revolution is provided with the return unit that park pawl is resetted.The effect of return unit is when breaking away from the Parking shelves, and park pawl is resetted, and the Parking ratchet rotates again.
In the halting mechanism of above-mentioned automatic gearbox, described return unit is a torsion spring.Utilize the elasticity of torsion spring that park pawl is resetted.
Compared with prior art, the halting mechanism of this automatic gearbox has the following advantages: it is simple in structure, compact, and is not only with low cost, easy for installation, and difficulty of processing is low, assembly process process is good.
Description of drawings
Fig. 1 is the structural representation of the halting mechanism of this automatic gearbox.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation of positioning rail plate provided by the invention, gearshift axle level rocking arm.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the structural representation of planar spring provided by the invention.
Fig. 6 is the structural representation of push rod provided by the invention.
Among the figure, 1, the Parking ratchet; 2, park pawl; 31, positioning rail plate; 31a, chute; 32, gear shaft; 33, rocking arm; 4, axis of revolution; 51, push rod; 51a, block; 52, sliding component; 53, spring; 6, strut bar; 71, planar spring; 72, axle sleeve; 73, roller bearing; 8, return unit.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As depicted in figs. 1 and 2, the halting mechanism of this automatic gearbox, comprise the Parking ratchet 1 that links to each other with differential casing, with Parking ratchet 1 ingear park pawl 2 and the positioning rail plate 31 that is connected with park pawl 2 by strut bar 6, positioning rail plate 31 is provided with chute 31a, Parking ratchet 1 is installed together by 12 uniform bolts and differential casing, rotate along with the rotation of differential casing, realize engagement with park pawl 2.
The halting mechanism of this automatic gearbox also comprises the sliding component 52 that park pawl 2 is provided with, as shown in Figure 6, be equipped with a push rod 51 in the sliding component 52, one end of push rod 51 passes sliding component 52 and is hinged on the positioning rail plate 31, the other end of push rod 51 also passes sliding component 52 and is provided with block 51a in its end, push rod 51 passes on the part of sliding component 52 and is arranged with spring 53, and an end of spring 53 is resisted against on the sliding component 52, pushes up an end and is resisted against on the block 51a.As shown in Figure 5, the halting mechanism of this automatic gearbox also comprises planar spring 71, and as shown in Figure 5, planar spring 71 front ends are equipped with the roller bearing 73 with planar spring 71 interference fit, and is sleeved on the axle sleeve 72 that can rotate freely on the roller bearing 73.Planar spring 71 adopts the structure of integral type, is arranged vertically with housing, via the bending hole of planar spring 71, is installed on the housing by the gauge member bolt.Push rod 51 matches by the dowel hole of riveted structure with positioning rail plate 31 in the present embodiment, and two members can rotate freely by dowel hole.
Rocking arm 33 links to each other with flexible axle, selector, and positioning rail plate 31 links to each other with push rod 51 by dowel hole.Positioning rail plate 31 is provided with four detents, and planar spring 71 snaps in the groove by bolt, the halting mechanism of this automatic gearbox is carried out gear fix.And rocking arm 33 and positioning rail plate 31, park pawl 2, Parking ratchet 1, plane, push rod 51 place are all parallel, so just make halting mechanism compact conformation, more easy arrangement.
When hanging Parking P shelves, selector makes 31 rotations of positioning rail plate by flexible axle pulling rocking arm 33, forces sliding component 52 compression springs 53.When park pawl 2 was relative with Parking ratchet 1 teeth groove, release spring 53 moved sliding component 52 on park pawl 2 driving surfaces, under the effect of depression bar, park pawl 2 is down rotated, thereby realizes Parking.Here the depression bar of She Zhiing is cylindric, is vertically set on the top of push rod 51, and the depression bar front and back end cooperates with the front and rear casing body space, and relies on housing that depression bar is carried out axial location, and by the rotation of square limiting stopper restriction depression bar.When breaking away from the Parking shelves, under the effect of berth-changing strength; rocking arm 33 and gearshift axle 32 retract; the shift shaft here is installed on the housing; can rotate freely around housing bore, makes push rod 51 and spring 53 return back to original position like this, and push rod 51 loses the application force to park pawl 2; so park pawl 2 can break away from the Parking shelves under the effect of torsion spring.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.The technical personnel of the technical field of the invention can be made various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as Parking ratchet 1, park pawl 2, positioning rail plate 31, chute 31a, gear shaft 32, rocking arm 33, axis of revolution 4, push rod 51, block 51a, sliding component 52, spring 53, strut bar 6, planar spring 71, axle sleeve 72, roller bearing 73, return unit 8 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1. the halting mechanism of an automatic gearbox, comprise the Parking ratchet (1) that links to each other with differential casing, can with Parking ratchet (1) ingear park pawl (2), and be hinged on positioning rail plate (31) on the car body, described park pawl (2) is hinged on the car body by axis of revolution (4), described Parking ratchet (1), park pawl (2) and positioning rail plate (31) are positioned at same plane, it is characterized in that, be hinged with push rod (51) on the described positioning rail plate (31), be arranged with a sliding component (52) and an end on the described push rod (51) successively and can be resisted against the spring (53) of sliding component (52) end, described sliding component (52) under the effect of a depression bar with park pawl (2) against, described sliding component (52) can promote park pawl (2) when described positioning rail plate (31) rotates, and park pawl (2) is snapped in the ratchet of Parking ratchet (1).
2. the halting mechanism of automatic gearbox according to claim 1, it is characterized in that, described positioning rail plate (31) is provided with chute (31a), be hinged with strut bar (6) on the described Parking ratchet (1), the other end of described strut bar (6) has circuitous portion, and described circuitous portion is positioned at above-mentioned chute (31a).
3. the halting mechanism of automatic gearbox according to claim 1 and 2, it is characterized in that, be fixed with a gearshift axle (32) on the described positioning rail plate (31), an end of described gearshift axle (32) is provided with rocking arm (33), and described rocking arm (33) be arranged in parallel with positioning rail plate (31).
4. the halting mechanism of automatic gearbox according to claim 1 and 2 is characterized in that, the free end end of described push rod (51) also is provided with block (51a), and the other end of described spring (53) is resisted against on the block (51a).
5. the halting mechanism of automatic gearbox according to claim 1 and 2, it is characterized in that, the edge of described positioning rail plate (31) is provided with planar spring (71), one end of described planar spring (71) is provided with axle sleeve (72), be equipped with roller bearing (73) in the described axle sleeve (72), described axle sleeve (72) can rotate freely around roller bearing (73), and described roller bearing (73) is connected on the above-mentioned positioning rail plate (31).
6. the halting mechanism of automatic gearbox according to claim 4, it is characterized in that, described sliding component (52) is cylindric, it is axially arranged with through hole, above-mentioned push rod (51) is located in the described through hole, and described sliding component (52) offers the bevelled inclined-plane away from a distolateral portion of spring (53).
7. the halting mechanism of automatic gearbox according to claim 1 is characterized in that, described axis of revolution (4) is provided with the return unit (8) that park pawl (2) is resetted.
8. the halting mechanism of automatic gearbox according to claim 7 is characterized in that, described return unit (8) is a torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010514312A CN101973209B (en) | 2010-10-21 | 2010-10-21 | Parking mechanism of automotive automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010514312A CN101973209B (en) | 2010-10-21 | 2010-10-21 | Parking mechanism of automotive automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101973209A true CN101973209A (en) | 2011-02-16 |
| CN101973209B CN101973209B (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010514312A Active CN101973209B (en) | 2010-10-21 | 2010-10-21 | Parking mechanism of automotive automatic transmission |
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| CN (1) | CN101973209B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179954A (en) * | 2013-05-24 | 2014-12-03 | 内蒙古欧意德发动机有限公司 | Shift assembly, transmission and automobile |
| CN104235356A (en) * | 2013-06-18 | 2014-12-24 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Parking lock assembly and vehicle transmission |
| CN105443750A (en) * | 2016-01-13 | 2016-03-30 | 奇瑞汽车股份有限公司 | Automatic transmission parking mechanism for automobile |
| WO2017006008A1 (en) * | 2015-07-07 | 2017-01-12 | Renault S.A.S | Parking brake control device |
| CN107606146A (en) * | 2017-10-25 | 2018-01-19 | 上海伊控动力系统有限公司 | A kind of speed changer parking operation device |
| CN108443493A (en) * | 2018-05-16 | 2018-08-24 | 六安江淮永达机械制造有限公司 | A kind of new-energy automobile halting mechanism |
Citations (6)
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| CN1721741A (en) * | 2004-03-22 | 2006-01-18 | 通用汽车公司 | Hybrid electro-mechanical transmission with secured hub for park pawl loading and method |
| CN200993230Y (en) * | 2006-12-26 | 2007-12-19 | 奇瑞汽车有限公司 | Parking mechanism for automobile automatic speed variator |
| KR20080000698A (en) * | 2006-06-28 | 2008-01-03 | 현대 파워텍 주식회사 | Safety device for parking device of auto transmission |
| JP2009036315A (en) * | 2007-08-02 | 2009-02-19 | Jatco Ltd | Oscillation restraining structure of parking rod |
| CN201502692U (en) * | 2009-07-21 | 2010-06-09 | 上海汽车集团股份有限公司 | Parking and locking mechanism of double-clutch automatic variable-speed device |
| US20100193319A1 (en) * | 2009-02-02 | 2010-08-05 | Gm Global Technology Operations, Inc. | Transmission |
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2010
- 2010-10-21 CN CN201010514312A patent/CN101973209B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721741A (en) * | 2004-03-22 | 2006-01-18 | 通用汽车公司 | Hybrid electro-mechanical transmission with secured hub for park pawl loading and method |
| KR20080000698A (en) * | 2006-06-28 | 2008-01-03 | 현대 파워텍 주식회사 | Safety device for parking device of auto transmission |
| CN200993230Y (en) * | 2006-12-26 | 2007-12-19 | 奇瑞汽车有限公司 | Parking mechanism for automobile automatic speed variator |
| JP2009036315A (en) * | 2007-08-02 | 2009-02-19 | Jatco Ltd | Oscillation restraining structure of parking rod |
| US20100193319A1 (en) * | 2009-02-02 | 2010-08-05 | Gm Global Technology Operations, Inc. | Transmission |
| CN201502692U (en) * | 2009-07-21 | 2010-06-09 | 上海汽车集团股份有限公司 | Parking and locking mechanism of double-clutch automatic variable-speed device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179954A (en) * | 2013-05-24 | 2014-12-03 | 内蒙古欧意德发动机有限公司 | Shift assembly, transmission and automobile |
| CN104235356A (en) * | 2013-06-18 | 2014-12-24 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Parking lock assembly and vehicle transmission |
| CN104235356B (en) * | 2013-06-18 | 2017-05-24 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Parking lock assembly and vehicle transmission |
| WO2017006008A1 (en) * | 2015-07-07 | 2017-01-12 | Renault S.A.S | Parking brake control device |
| FR3038685A1 (en) * | 2015-07-07 | 2017-01-13 | Renault Sa | PARKING BRAKE CONTROL DEVICE |
| CN105443750A (en) * | 2016-01-13 | 2016-03-30 | 奇瑞汽车股份有限公司 | Automatic transmission parking mechanism for automobile |
| CN105443750B (en) * | 2016-01-13 | 2018-08-14 | 奇瑞控股有限公司 | A kind of automatic parking mechanism of automobile transmission |
| CN107606146A (en) * | 2017-10-25 | 2018-01-19 | 上海伊控动力系统有限公司 | A kind of speed changer parking operation device |
| CN108443493A (en) * | 2018-05-16 | 2018-08-24 | 六安江淮永达机械制造有限公司 | A kind of new-energy automobile halting mechanism |
Also Published As
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|---|---|
| CN101973209B (en) | 2012-10-10 |
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Inventor after: Qiu Zhiling Inventor after: Fu Lingling Inventor after: Chen Yong Inventor after: Luo Daguo Inventor after: Wu Bixin Inventor after: Li Shufu Inventor after: Yang Jian Inventor after: Zhao Fuquan Inventor before: Fu Lingling Inventor before: Chen Yong Inventor before: Luo Daguo Inventor before: Wu Bixin Inventor before: Li Shufu Inventor before: Yang Jian Inventor before: Zhao Fuquan |
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Free format text: CORRECT: INVENTOR; FROM: FU LINGLING CHEN YONG LUO DAGUO WU BIXIN LI SHUFU YANG JIAN ZHAO FUQUAN TO: QIU ZHILING FU LINGLING CHEN YONG LUO DAGUO WU BIXIN LI SHUFU YANG JIAN ZHAO FUQUAN |
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