CN102269264A - Hydraulic shift oil cylinder for manual transmission - Google Patents
Hydraulic shift oil cylinder for manual transmission Download PDFInfo
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- CN102269264A CN102269264A CN2011101184776A CN201110118477A CN102269264A CN 102269264 A CN102269264 A CN 102269264A CN 2011101184776 A CN2011101184776 A CN 2011101184776A CN 201110118477 A CN201110118477 A CN 201110118477A CN 102269264 A CN102269264 A CN 102269264A
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- gearshift
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Abstract
The invention discloses a hydraulic shift oil cylinder for a manual transmission, belonging to the scope of vehicle parts. The hydraulic shift oil cylinder is characterized in that a main cylinder body and an auxiliary cylinder body are fixed into a shift oil cylinder body through a connecting bolt hole by a bolt, two ends of the shift oil cylinder body are respectively fixed with a sealing end cap so as to form the hydraulic shift oil cylinder; the middle part of the main cylinder body is provided with an opening KD and an opening KU; in the main cylinder body, two ends of a sliding bar are respectively fixed with a piston A and a piston B through a bolt in order to form a fabricated piston rod; when the fabricated piston rod moves along the axial direction of X axis, the fabricated piston rod can simultaneously drive a slider and a shift lever which are arranged on the fabricated piston rod to move along the axial direction of X axis, thus electronic-controlled automatic shift of the a mechanical transmission can be realized. The hydraulic shift oil cylinder can not only realize automatic shift timely according to vehicle condition, road condition and subjective willing of a driver, but also obviously reduce the labor intensity, ensure driving safety and achieve a well oil-saving effect. The hydraulic shift oil cylinder can also be used for other occasions that the oil cylinder is required to provide three accurate positions.
Description
Technical field
The invention belongs to the vehicle component scope, particularly a kind of hydraulic pressure gearshift oil cylinder that is used for the manual transmission gearshift.
Background technique
Traditional manual transmission gearshift must be stirred the engaging position that speed change lever could change transmission gear with hand, thereby change velocity ratio by manually being finished, and reaches the purpose of gear change.But traditional manual transmission, in abominable traffic condition down train, need on the vehicle of frequent employing manually-operable gearshift, cause driver fatigue easily, and require the driver expertly correctly to hold gearshift opportunity, to guarantee power character, Economy and the gearshift stationarity of vehicle, increased the degree of complicated operation.
In addition, under the situation of gearbox mounting point, realize relatively difficulty of remote manually-operable, also increased the complexity of handling driving mechanism away from the driver's operation position.On the structure of original manual transmission, install the self shifter operating device of computer control additional, replace original manual operation shelves action, realize the automatically controlled self shifter of mechanical transmission, can not only be in time be ready self shifter according to vehicle condition, road conditions and driver's subjectivity, show and reduce labor intensity, guarantee traffic safety, and good oil-saving effect is arranged; In addition, under the situation of speed changer mounting point, realize remote manually-operable, also can simplify the complexity of handling driving mechanism away from the driver's operation position.This speed changer be called automatic mechanical transmission (Automated Mechanicaltransmission---AMT).AMT has two kinds of control type: electronic mechanical and and electro-hydraulic formula.Hydraulic type AMT mainly is made up of sensor, computer module and three key components of executive system.Executive system has comprised parts such as hydraulic pressure gearshift and gear selecting oil cylinder, fuel tank, oil pump, energy storage canister, solenoid valve; The oil cylinder of wherein shifting gears directly is used for finishing the action that changes the transmission gear engaging position, thereby changes velocity ratio, reaches the purpose of gear change.
This patent has proposed a structure of overlapping the concrete device of hydraulic pressure gearshift oil cylinder that is used for manual transmission, and this device changes the action of transmission gear engaging position specially as the direct actuator of manual transmission hydraulic pressure gearshift, realizes the gear change.
Summary of the invention
The objective of the invention is to propose a kind of hydraulic pressure gearshift oil cylinder that is used for the manual transmission gearshift, it is characterized in that: a Master cylinder body and a pair cylinder body connect into the gearshift cylinder body by bolt by the connecting bolt hole, each fixes an end cover gearshift cylinder body two ends, forms hydraulic pressure gearshift oil cylinder; Have KD opening and KU opening in the intermediate portion of Master cylinder body, simultaneously at the other circular pit KY that is processed with of KU opening side; In Master cylinder body, form an assembling type piston rod by bolt A piston and B piston respectively at the two ends of sliding bar, be convenient to the installation and removal of combined seal ring on the piston; There is a groove at the middle part of sliding bar, and gear level passes the KD opening of the intermediate portion of Master cylinder body, and the bulb of gear level is partially submerged in the groove, is slidingly matched; In addition, slide block places on the plane on the outer surface at slide bar middle part, and links together with bolt, and slide block places the KU opening, and is connected with driving lever, and driving lever snaps on the disk of dial in the scarce breach of U font gear; There is a sensor connecting rod at the center of dial, and the position transducer on the KU opening of the intermediate portion of Master cylinder body is installed cover plate, and the sensor connecting rod passes and is connected with position transducer WQ after position transducer is installed cover central hole; In paying cylinder body, the C piston is connected with position-limited lever; On A piston, B piston and C piston, be separately installed with first combined seal ring; Second combined seal ring and the 3rd combined seal ring; Paying cylinder body and Master cylinder body junction surface one end, pay the displacement position-limiting step that the cylinder body inner end has position-limited lever;
Described A piston, B piston and C piston are divided into A chamber, B chamber, C chamber and D chamber with the hydraulic pressure oil cylinder of shifting gears.
The excircle of described each combined seal ring and the slipper seal of hydraulic pressure gearshift oil cylinder inner wall.
U font gear breach on the described dial disk is relatively in the middle of it during the left-right rotation of position, the maximum angle that U font gear breach center line turns over be gear level traveling angle α 1/2; Be that U font gear breach on the dial is put corresponding with I shelves, neutral gear and the II gear of gear level respectively around residing three positions of dial central shaft left-right rotation, because dial is connected with position transducer, then the shown gear of position transducer is exactly that I shelves, neutral gear and the II gear of the gear level of correspondence put.
The invention has the beneficial effects as follows that proposing to be used for manual transmission hydraulic pressure gearshift oil cylinder is special direct actuator as the gearshift of manual transmission hydraulic pressure, change the action of transmission gear engaging position, replace original manual operation shelves action, realize the automatically controlled self shifter of mechanical transmission, can not only be in time be ready self shifter according to vehicle condition, road conditions and driver's subjectivity, show and reduce labor intensity, guarantee traffic safety, and good oil-saving effect is arranged, also can be used for other occasion that the requirement oil cylinder provides three accurate positions.
Description of drawings
Fig. 1 is the structural drawing of hydraulic pressure gearshift oil cylinder.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is gearshift dial structural scheme of mechanism.
Fig. 4 is the combined seal ring structural representation.
Embodiment
The present invention is a kind of hydraulic pressure gearshift oil cylinder that is used for the manual transmission gearshift.Illustrated below in conjunction with accompanying drawing.
Figure 1 shows that the structural drawing of hydraulic pressure gearshift oil cylinder.Among the figure, a Master cylinder body 17 and a pair cylinder body 11 are fixed into the gearshift cylinder body by bolt by connecting bolt hole 9.Each fixes an end cover 1 gearshift cylinder body two ends, forms hydraulic pressure gearshift oil cylinder; Have KD opening and KU opening in the intermediate portion of Master cylinder body 17, simultaneously at the other circular pit KY that is processed with of KU opening side; In Master cylinder body 17, pass through bolt A piston 2 and B piston 7 respectively at the two ends of sliding bar 4, form an assembling type piston rod, be convenient to the installation and removal of combined seal ring on the piston; There is a groove 5 at the middle part of sliding bar 4, and gear level 6 passes the KD opening of the intermediate portion of Master cylinder body 17, and the bulb of gear level 6 is partially submerged in the groove 5, is slidingly matched (as shown in Figure 2); In addition, slide block 14 places on the plane of outer surface at sliding bar 4 middle parts, and links together with bolt, and slide block 14 places the KU opening, and is connected with driving lever 16, and driving lever 16 snaps on dial 18 disks in the U font gear breach 20; There is a sensor connecting rod 19 at dial 18 centers, and the fixed position sensor is installed cover plate 15 above the KU opening of Master cylinder body 17 intermediate portions, and sensor connecting rod 19 passes and is connected with position transducer WQ after position transducer is installed cover plate 15 center holes; In paying cylinder body 11, C piston 10 is connected with position-limited lever 8; First combined seal ring 3 is installed respectively on A piston 2, B piston 7 and C piston 10; Second combined seal ring 13 and the 3rd combined seal ring 12, the slipper seal of the excircle of each combined seal ring and hydraulic pressure gearshift oil cylinder inner wall, thus A piston 2, B piston 7 and C piston 10 are divided into A chamber, B chamber, C chamber and D chamber with the hydraulic pressure oil cylinder of shifting gears.In paying cylinder body 11, there is the displacement position-limiting step of position-limited lever 8 end that pair cylinder body 11 is connected with Master cylinder body 17;
U font gear breach 20 is around dial 18 central shafts relatively in the middle of it during the left-right rotation of position on described dial 18 its disks, the maximum angle that U font gear breach center line turns over be gear level traveling angle α 1/2; Promptly with dial that position transducer connects on U-shaped gear breach 20 put corresponding (shown in Fig. 1,3) with I shelves, neutral gear and the II gear of gear level respectively around residing three positions of dial central shaft left-right rotation.
The structure of described combined seal ring can adopt by an elastomer DM, two supporting ring CZ and two guide ring DXH three parts forms (as shown in Figure 4).Elastomer has, the cross section of three seal lips, and three sealing lip actinal surfaces are close to casing wall (motive sealing).Middle lip is thicker, plays main seal action, and other two lips play the auxiliary seal effect.(static seal) is close in bottom side and piston channel bottom, and surface of contact is relatively large.Supporting ring places the elastomer both sides to play the role of positioning.Support elastomer and prevent that it from the radial seal gap occurring.Supporting ring is stepped, and a side that contacts with elastomer has many projections in order to prevent elastomer rotation when working.Guide ring is rectangular, is contained in to play guiding on the piston and bear lateral force, has guaranteed that piston and sliding bar are not and the Metal Contact between cylinder bore.Guide ring has several axial grooves, makes pressure oil can flow through guide ring, thereby makes the elasticity physical efficiency experience whole working pressures and quick release pressure when changing direction.
When the assembling type piston rod of forming by A piston 2 and B piston 7 in the Master cylinder body when X-axis moves axially, also drive slide block mounted thereto simultaneously and driving lever is also done moving axially along X-axis; Be installed between Master cylinder body and the position transducer, shape dial 18 as shown in Figure 2, be processed with a U font gear breach 20 on the disk of its bottom, the driving lever 16 that sliding bar connects on the slide block in the Master cylinder body snaps in the U word shape gear breach 20, when driving lever 16 is followed piston rod when X axis moves, it will be stirred dial and rotate around its shaft axis, and the axle on dial top is connected with the position transducer motion parts, drive its motion, thereby the output potential of sensor is changed, with the variation of reflection piston rod axial displacement, just reflection and the corresponding I shelves of gear level, neutral gear or II gear are put (as Fig. 1, shown in 3).
Claims (5)
1. one kind is used for the hydraulic pressure gearshift oil cylinder that manual transmission is shifted gears, and it is characterized in that: a Master cylinder body and a pair cylinder body connect into the gearshift cylinder body by bolt by the connecting bolt hole, and each fixes an end cover gearshift cylinder body two ends, formation hydraulic pressure gearshift oil cylinder; Have KD opening and KU opening in the intermediate portion of Master cylinder body, simultaneously at the other circular pit KY that is processed with of KU opening side; In Master cylinder body, an assembling type piston rod is formed by bolt A piston and B piston respectively in two ends at sliding bar, and there is a groove at the middle part of sliding bar, and gear level passes the KD opening of the intermediate portion of Master cylinder body, the bulb of gear level is partially submerged in the groove, is slidingly matched; In addition, slide block places on the plane on the outer surface at slide bar middle part, and links together with bolt, and slide block places the KU opening, and is connected with driving lever, and driving lever snaps on the disk of dial in the U font gear breach; There is a sensor connecting rod at the center of dial, and the position transducer on the KU opening of the intermediate portion of Master cylinder body is installed cover plate, and the sensor connecting rod passes and is connected with position transducer WQ after position transducer is installed cover central hole; In paying cylinder body, the C piston is connected with position-limited lever; On A piston, B piston and C piston, be separately installed with first combined seal ring; Second combined seal ring and the 3rd combined seal ring; Paying cylinder body and Master cylinder body junction surface one end, pay the displacement position-limiting step that the cylinder body inner end has position-limited lever.
2. according to the described hydraulic pressure gearshift oil cylinder that is used for manual transmission gearshift of claim 1, it is characterized in that described A piston, B piston and C piston are divided into A chamber, B chamber, C chamber and D chamber with the hydraulic pressure oil cylinder of shifting gears.
3. according to the described hydraulic pressure gearshift oil cylinder that is used for the manual transmission gearshift of claim 1, it is characterized in that the excircle of described each combined seal ring and the slipper seal of hydraulic pressure gearshift oil cylinder inner wall.
4. according to the described hydraulic pressure gearshift oil cylinder that is used for the manual transmission gearshift of claim 1, it is characterized in that, U font gear breach on the described dial disk is relatively in the middle of it during the left-right rotation of position, the maximum angle that U font gear breach center line turns over be gear level traveling angle α 1/2; Be that U font gear breach on the dial is put corresponding with I shelves, neutral gear and the II gear of gear level respectively around residing three positions of dial central shaft left-right rotation, because dial is connected with position transducer, then the shown gear of position transducer is exactly that I shelves, neutral gear and the II gear of the gear level of correspondence put.
5. according to the described hydraulic pressure gearshift oil cylinder that is used for the manual transmission gearshift of claim 1, it is characterized in that the structure of described combined seal ring adopts to be made up of an elastomer, two supporting rings and two guide ring three parts; Elastomer has the cross section of three seal lips, and three sealing lip actinal surfaces are close to casing wall and are realized motive sealing, and middle lip is thicker, plays main seal action, and other two lips play the auxiliary seal effect; Bottom side and piston channel bottom are close to, and realize static seal, and surface of contact are relatively large; Supporting ring places the elastomer both sides to play the role of positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101184776A CN102269264A (en) | 2011-05-09 | 2011-05-09 | Hydraulic shift oil cylinder for manual transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101184776A CN102269264A (en) | 2011-05-09 | 2011-05-09 | Hydraulic shift oil cylinder for manual transmission |
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| CN102269264A true CN102269264A (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101184776A Pending CN102269264A (en) | 2011-05-09 | 2011-05-09 | Hydraulic shift oil cylinder for manual transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889378A (en) * | 2012-10-08 | 2013-01-23 | 天津柳工机械有限公司 | Hydraulic pressure four-digit gear shift mechanism |
| CN114483818A (en) * | 2021-12-09 | 2022-05-13 | 中国船舶重工集团公司第七0三研究所 | Hydraulic control shifting fork capable of pushing high-speed rotating part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62266254A (en) * | 1986-05-10 | 1987-11-19 | Toyota Motor Corp | Hydraulic pressure control device for automatic transmission of vehicle |
| CN2700646Y (en) * | 2004-03-03 | 2005-05-18 | 中国第一汽车集团公司 | Shifting actuating mechanism of gear box |
| CN1987157A (en) * | 2006-12-09 | 2007-06-27 | 奇瑞汽车有限公司 | Electric control mechanical automatic gearbox gear shifting oil cylinder for automobile |
| CN201093067Y (en) * | 2007-08-03 | 2008-07-30 | 王金平 | Piston rod sealing element |
| CN201281123Y (en) * | 2008-09-10 | 2009-07-29 | 济南二机床集团有限公司 | III-gear speed changing hydraulic shifting cylinder |
| CN202032079U (en) * | 2011-05-09 | 2011-11-09 | 清华大学 | Hydraulic shift cylinder used for manual transmission |
-
2011
- 2011-05-09 CN CN2011101184776A patent/CN102269264A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62266254A (en) * | 1986-05-10 | 1987-11-19 | Toyota Motor Corp | Hydraulic pressure control device for automatic transmission of vehicle |
| CN2700646Y (en) * | 2004-03-03 | 2005-05-18 | 中国第一汽车集团公司 | Shifting actuating mechanism of gear box |
| CN1987157A (en) * | 2006-12-09 | 2007-06-27 | 奇瑞汽车有限公司 | Electric control mechanical automatic gearbox gear shifting oil cylinder for automobile |
| CN201093067Y (en) * | 2007-08-03 | 2008-07-30 | 王金平 | Piston rod sealing element |
| CN201281123Y (en) * | 2008-09-10 | 2009-07-29 | 济南二机床集团有限公司 | III-gear speed changing hydraulic shifting cylinder |
| CN202032079U (en) * | 2011-05-09 | 2011-11-09 | 清华大学 | Hydraulic shift cylinder used for manual transmission |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889378A (en) * | 2012-10-08 | 2013-01-23 | 天津柳工机械有限公司 | Hydraulic pressure four-digit gear shift mechanism |
| CN102889378B (en) * | 2012-10-08 | 2015-04-08 | 天津柳工机械有限公司 | Hydraulic pressure four-digit gear shift mechanism |
| CN114483818A (en) * | 2021-12-09 | 2022-05-13 | 中国船舶重工集团公司第七0三研究所 | Hydraulic control shifting fork capable of pushing high-speed rotating part |
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Application publication date: 20111207 |