CN102588581B - Gear-changing control device of automobile - Google Patents
Gear-changing control device of automobile Download PDFInfo
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- CN102588581B CN102588581B CN201210047231.9A CN201210047231A CN102588581B CN 102588581 B CN102588581 B CN 102588581B CN 201210047231 A CN201210047231 A CN 201210047231A CN 102588581 B CN102588581 B CN 102588581B
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- gear
- shift shaft
- declutch shift
- shifting
- block
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Abstract
The invention provides a gear-changing control device of an automobile, belongs to the technical field of automobiles, and aims to solve the technical problems of multiple shift rails, complicated space structure and the like of the existing gear-changing control device. The gear-changing control device comprises a shift rail capable of circumferentially rotating and axially moving and a plurality of shifting forks arranged at one side of the shift rail, wherein shifting fork blocks capable of being matched with the shifting forks are fixedly arranged on the shift rail, a gear wheel sheet which is circumferentially fixed and can axially slide is arranged on the shift rail, one shifting fork block can be clamped in the shifting fork matched with the shifting block through rotating the shift rail, and the gear wheel sheet is enabled to allow the selected gear shifting fork and the gear shifting block to axially synchronously move. According to the gear-changing control device, the gear-changing shifting forks on all gears are arranged on the same shift rail, one shift rail can be used for completing gear-selecting and gear-changing functions, thus the structure of a gear-changing mechanism can be simplified, the arrangement space is reduced, and miniaturization and quantization of the gear-changing control device are facilitated.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of shifting system of automobile, particularly a kind of shifting operating device of automobile.
Background technique
In gearbox manually or automatically, gear is clear, smooth gear shifting is the target that transmission control design is pursued always, and it is also the important indicator of an evaluation speed changer quality simultaneously.Exquisiteness is operating mechanism flexibly, not only can improve the combination property level of transmission assembly, the driving that also can improve car load and the travelling comfort taken.As the selector fork mechanism of one of the most base components of transmission control, our enough attention should be caused.When shifting gears, promote shift fork by gearshift, shift fork promotes synchronizer gear sleeve, the synchronizing ring conical surface is engaged with the gear combining tooth conical surface and produces friction torque, thus reach synchronous effect.
Development due to speed changer is tending towards lightweight, miniaturization, and traditional shifting system stirs shift fork by gearshift to refer to, then drives fork shaft and shift fork motion, usually adopts many fork shafts to coordinate with the gearshift function completing each gear.
A kind of light-duty vehicle of its general structure disclosed in patent (CN201318440Y) Effector of six shift transmissions, comprise middle yoke plate, shifting shaft, block selecting guide shaft, declutch shift shaft, shifting shaft, block selecting guide shaft, declutch shift shaft are arranged on middle yoke plate, shifting shaft has three notches, block selecting rocking arm and shifting shaft are fixed, block selecting one end is connected with block selecting shifting block, and block selecting shifting block is fixedly connected with block selecting guide shaft, and stepped is done in the other end of block selecting rocking arm.The shortcoming of this device is to be provided with three axles, its structural type needs larger arrangement space, and declutch shift shaft and shifting shaft are normally fixed together, due to gearshift range demands, on housing, certain axial space must be reserved to shifting shaft, the axial dimension of housing will be increased like this.
Summary of the invention
The object of the invention is the problems referred to above existed for existing technology, provide a kind of shifting operating device of automobile, technical problem to be solved by this invention realizes a declutch shift shaft to complete block selecting and function of putting into gear.
Object of the present invention realizes by following technical proposal: a kind of shifting operating device of automobile, it is characterized in that, this device comprises the declutch shift shaft that an energy circumference is rotated and moved axially and the some selector fork groups being arranged on this declutch shift shaft side, often organize selector fork group and be equipped with two selector forks (4), described declutch shift shaft is installed with the gearshift shifting block that can match with each described selector fork, this declutch shift shaft is also provided with circumference to fix and some block selectings wheel sheets that axially can slide, each block selecting wheel sheet (5) is positioned between corresponding two selector forks (4), the side of described declutch shift shaft is provided with can by the limit structure of described block selecting wheel sheet axial limiting, described block selecting wheel sheet can limit moving axially of described selector fork, one of them gearshift shifting block can be made to be connected in the selector fork matched with it by rotating described declutch shift shaft, and make block selecting wheel sheet allow this chosen selector fork synchronizing moving axial with gearshift shifting block simultaneously.
The working principle of this device is: when needs are shifted gears time, rotating declutch shift shaft drives gearshift shifting block to rotate, in general multiple gearshift shifting block staggers at declutch shift shaft circumferential position upper angle, when declutch shift shaft turns to a suitable angle, drive one of them gearshift shifting block to be connected in selector fork corresponding thereto, then declutch shift shaft moves axially, and gearshift shifting block drives selector fork to move axially, make the working end of selector fork drive synchronizing sleeve displacement, thus reach gearshift object; A gearshift shifting block is connected to after in selector fork wherein, and block selecting wheel sheet allows the part of this selector fork by the end face of this block selecting wheel sheet, and by remaining selector fork axial limiting, thus ensure to only have a selector fork to move axially at every turn.The selector fork of each gear is arranged on same declutch shift shaft by this device, only completes block selecting and function of putting into gear with a declutch shift shaft, can simplify gearshift, reduce arrangement space, contribute to miniaturization and the lightweight of shift control mechanism.
In the shifting operating device of above-mentioned a kind of automobile, described limit structure comprises and is positioned at described declutch shift shaft side and the positive stop that can be installed on car body, described positive stop has a cavity towards this declutch shift shaft, and these cavity radial direction pincers are located at the both ends of the surface of this block selecting wheel sheet.The axial displacement of block selecting wheel sheet can only between two of the cavity of a positive stop sidewall.
In the shifting operating device of above-mentioned a kind of automobile, described selector fork comprises the yoke and slide bar that are connected mutually, described yoke and slide bar are arranged along the radial direction of described declutch shift shaft with axial respectively, described yoke one end is provided with draw-in groove, and described gearshift shifting block has the dop matched with this draw-in groove.When declutch shift shaft rotates, drive the dop of gearshift shifting block to be connected in the draw-in groove of yoke, when declutch shift shaft moves axially, gearshift shifting block band moving slide-bar synchronizing shaft is to movement.
In the shifting operating device of above-mentioned a kind of automobile, the end face of described block selecting wheel sheet can block described slide bar and move axially, the outer side surface of described block selecting wheel sheet has a recess radially offered, recess can be made to be on the position just right with slide bar by rotating described block selecting wheel sheet, and this recess can hold described sliding pole axis to passing through.Drive block selecting wheel sheet synchronous axial system when declutch shift shaft rotates, when recess is on the position just right with the end of slide bar, this sliding pole axis can be made to the end face by this block selecting wheel sheet.
In the shifting operating device of above-mentioned a kind of automobile, the both sides of described positive stop have the groove one and groove two that are connected with cavity, being staggeredly located out of described groove one and groove two, the slide bar described in described groove one and groove two all can hold is current.The two ends of a block selecting wheel sheet are furnished with a selector fork respectively, so the both sides of positive stop are also respectively arranged with a slide bar, two slide bars are located in groove one and groove two respectively.
In the shifting operating device of above-mentioned a kind of automobile, described block selecting wheel sheet is socketed on declutch shift shaft, and is provided with axial guide finger between the two.Block selecting wheel sheet can by guide finger and the axial relative sliding of declutch shift shaft.
In the shifting operating device of above-mentioned a kind of automobile, one end of described declutch shift shaft is arranged with abutment sleeve, be provided with locking ball in abutment sleeve, this declutch shift shaft also offers positioning hole, described locking ball can be connected in described positioning hole in the drive lower part of abutment sleeve.To be coordinated with abutment sleeve by locking ball and can ensure after selected gear, only have a shifting block of shifting gears to snap in groove, the selector fork of other gears not with gearshift shifting block move axially and mobile, also can ensure to there will not be the situation of trip stopping when putting into gear simultaneously.
In the shifting operating device of above-mentioned a kind of automobile, the other end of described declutch shift shaft offers gear lock groove.Can ensure to avoid off-gear situation to occur when hanging up a certain gear or neutral.
Compared with prior art, the selector fork of each gear is arranged on same declutch shift shaft by this device, only completes block selecting and function of putting into gear with a declutch shift shaft, can simplify gearshift, reduce arrangement space, contribute to miniaturization and the lightweight of shift control mechanism.To be coordinated with abutment sleeve by locking ball and can ensure after selected gear, only have a shifting block of shifting gears to snap in groove, the selector fork of other gears not with gearshift shifting block move axially and mobile, also can ensure to there will not be the situation of trip stopping when putting into gear simultaneously.Block selecting wheel sheet only allows one with slide bar by its end face at every turn, and is all axially stopped by remaining slide bar, ensures to only have a gear to put into gear at every turn.
Accompanying drawing explanation
Fig. 1 is the structural representation of this shifting operating device.
Fig. 2 is the vertical view cutaway drawing of this positive stop.
Fig. 3 is the side view cutaway drawing of this positive stop.
Fig. 4 is the positional structure schematic diagram of extension 1/2 when keeping off between block selecting wheel sheet two and positive stop.
Fig. 5 is the positional structure schematic diagram of extension 1/2 when keeping off between block selecting wheel sheet one and positive stop.
Fig. 6 is the positional structure schematic diagram of extension 3/4 when keeping off between block selecting wheel sheet two and positive stop.
Fig. 7 is the positional structure schematic diagram of extension 3/4 when keeping off between block selecting wheel sheet one and positive stop.
Fig. 8 is the positional structure schematic diagram of extension 5/6 when keeping off between block selecting wheel sheet two and positive stop.
Fig. 9 is the positional structure schematic diagram of extension 5/6 when keeping off between block selecting wheel sheet one and positive stop.
Figure 10 hangs positional structure schematic diagram when reversing gear between block selecting wheel sheet two and positive stop.
Figure 11 hangs positional structure schematic diagram when reversing gear between block selecting wheel sheet one and positive stop.
In figure, 1, declutch shift shaft; 2, abutment sleeve; 3, gearshift shifting block; 31,3/4 gear gearshift shifting block; 32,5/6 gear gearshift shifting block; 33,1/2 gear gearshift shifting block; 34, reverse gear gearshift shifting block; 3a, dop; 4, selector fork; 41,3/4 gear selector fork; 42,5/6 gear selector fork; 43,1/2 gear selector fork; 44, reverse gear shifting fork; 4a, yoke; 4b, slide bar; 4c, draw-in groove; 5, block selecting wheel sheet; 51, block selecting wheel sheet one; 52, block selecting wheel sheet two; 5a, recess; 6, positive stop; 61, positive stop one; 62, positive stop two; 6a, cavity; 6b, groove one; 6c, groove two; 7, lock groove.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this device comprises the declutch shift shaft 1 that an energy circumference is rotated and moved axially and the some selector fork groups being arranged on this declutch shift shaft 1 side, often organize selector fork group and be equipped with two selector forks 4, declutch shift shaft 1 is installed with the gearshift shifting block 3 that can match with each selector fork 4, this declutch shift shaft 1 is also provided with circumference to fix and two block selectings wheel sheets 5 that axially can slide, block selecting wheel sheet 1 respectively, block selecting wheel sheet 2 52, each block selecting wheel sheet 5 is between two selector forks 4 of correspondence, the side of declutch shift shaft 1 is provided with limit structure block selecting being taken turns sheet 5 axial limiting, block selecting wheel sheet 5 can limit moving axially of selector fork 4, one of them gearshift shifting block 3 can be made to be connected in the selector fork 4 matched with it by rotating declutch shift shaft 1, and make block selecting take turns sheet 5 selector fork 4 allowing this chosen and the axial synchronizing moving of shifting block 3 of shifting gears simultaneously.Specifically, as shown in Figures 2 and 3, limit structure comprises and is positioned at declutch shift shaft 1 side and two positive stops 6 that can be installed on car body, positive stop 1, positive stop 2 62 respectively, and the corresponding setting of sheet 1 is taken turns in positive stop 1 and block selecting, the corresponding setting of sheet 2 52 is taken turns in positive stop 2 62 and block selecting.Positive stop 1, positive stop 2 62 have a cavity 6a towards this declutch shift shaft 1 respectively, and this cavity 6a radial direction pincers are located at the both ends of the surface of this block selecting wheel sheet 5.The axial displacement of block selecting wheel sheet 5 can only between two sidewalls of the cavity 6a of positive stop 6.
In the present embodiment, declutch shift shaft 1 is provided with successively two selector fork groups, first selector fork group comprises two selector forks 4, is respectively 3/4 gear selector fork 41 and 5/6 and keeps off selector fork 42, and these two shift forks are arranged in the both sides of block selecting wheel sheet 1; Second selector fork group also comprises two selector forks 4, is respectively 1/2 gear selector fork 43 and reverse gear shifting fork 44, and these two shift forks are arranged in the both sides of block selecting wheel sheet 2 52.The quantity of the gearshift shifting block 3 in the present embodiment has four, is respectively 3/4 gear gearshift shifting block 31,5/6 and keeps off gearshift shifting block 32,1/2 gear gearshift shifting block 33 and the gearshift shifting block 34 that reverses gear; Its corresponding relation is successively: 3/4 gear gearshift shifting block 31 and 3/4 keeps off selector fork 41 correspondence and arranges, 5/6 gear gearshift shifting block 32 and 5/6 keeps off selector fork 42 correspondence and arranges, 1/2 gear gearshift shifting block 33 and 1/2 keep off selector fork 43 corresponding, reverse gear gearshift shifting block 34 and reverse gear shifting fork 44 corresponding.
Four selector forks 4 include the yoke 4a and slide bar 4b that are connected mutually, and yoke 4a and slide bar 4b is arranged along the radial direction of declutch shift shaft 1 with axial respectively, and yoke 4a mono-end is provided with draw-in groove 4c, and gearshift shifting block 3 has the dop 3a matched with this draw-in groove 4c.When declutch shift shaft 1 rotates, drive the dop 3a of gearshift shifting block 3 to be connected in the draw-in groove 4c of yoke 4a, when declutch shift shaft 1 moves axially, gearshift shifting block 3 is with moving slide-bar 4b synchronously to move axially.The end face of block selecting wheel sheet 5 can block slide bar 4b and move axially, the outer side surface of block selecting wheel sheet 5 has a recess 5a radially offered, recess 5a can be made to be on the position just right with slide bar 4b by rotating block selecting wheel sheet 5, and this recess 5a can hold, and slide bar 4b is axial to be passed through.Drive block selecting wheel sheet 5 synchronous axial system when declutch shift shaft 1 rotates, when recess 5a is on the position just right with the end of slide bar 4b, this slide bar 4b can be made axially by the end face of this block selecting wheel sheet 5.The both sides of positive stop 6 have being staggeredly located out of groove one 6b that is connected with cavity 6a and groove two 6c, groove one 6b and groove two 6c, and groove one 6b and groove two 6c all can hold slide bar 4b and pass through.
The both sides of positive stop 6 are also respectively arranged with a slide bar 4b, and two slide bar 4b are located in groove one 6b and groove two 6c respectively.Block selecting wheel sheet 1 and block selecting wheel sheet 2 52 are socketed on declutch shift shaft 1, and are provided with axial guide finger between the two.Block selecting wheel sheet 1 and block selecting wheel sheet 2 52 can by guide finger and the axial relative slidings of declutch shift shaft 1.One end of declutch shift shaft 1 is arranged with abutment sleeve 2, is provided with locking ball in abutment sleeve 2, and this declutch shift shaft 1 also offers positioning hole, and locking ball can be connected in positioning hole in the drive lower part of abutment sleeve 2.To be coordinated with abutment sleeve 2 by locking ball and can ensure after selected gear, only have a shifting block 3 of shifting gears to snap in groove, the selector fork 4 of other gears not with gearshift shifting block 3 move axially and mobile, also can ensure to there will not be the situation of trip stopping when putting into gear simultaneously.The other end of declutch shift shaft 1 offers gear lock groove 7.Can ensure to avoid off-gear situation to occur when hanging up a certain gear or neutral.
The working principle of this device is: when needs are shifted gears time, rotating declutch shift shaft 1 drives gearshift shifting block 3 to rotate, when changing 3/4 gear, declutch shift shaft 1 drives 3/4 gear gearshift shifting block 31 to be connected on 3/4 gear selector fork 41, all the other selector forks and the not clamping of gearshift shifting block, then declutch shift shaft 1 moves axially, and 3/4 gear gearshift shifting block 31 drives 3/4 gear selector fork 41 to move axially, make the working end of 3/4 gear selector fork 41 drive synchronizing sleeve displacement, thus reach gearshift object; During the gearshift of all the other gears in like manner.
As shown in Figure 4 and Figure 5, when changing 1/2 gear, slide bar 4b on recess 5a and 1/2 gear selector fork 43 on gear selecting wheel sheet 2 52 is in just to position, the recess 5a of block selecting wheel sheet 1 staggers with the slide bar 4b on other two shift forks, only allow the slide bar 4b on 1/2 gear selector fork 43 to move axially, thus ensure to only have a shift fork to move axially at every turn.
As shown in Figure 6 and Figure 7, when changing 3/4 gear, slide bar 4b on recess 5a and 3/4 gear selector fork 41 on block selecting wheel sheet 1 is in just to position, recess 5a on block selecting wheel the sheet 2 52 and slide bar 4b on other two shift forks staggers, and only allows the slide bar 4b on 3/4 gear selector fork 41 to move axially.
As shown in Figure 8 and Figure 9, when changing 5/6 gear, slide bar 4b on recess 5a and 5/6 gear selector fork 42 on block selecting wheel sheet 1 is in just to position, recess 5a on block selecting wheel the sheet 2 51 and slide bar 4b on other two shift forks staggers, and only allows the slide bar 4b on 5/6 gear selector fork 42 to move axially.
As shown in Figure 10 and Figure 11, when change reverse gear time, recess 5a on block selecting wheel the sheet 2 52 and slide bar 4b on reverse gear shifting fork 44 is in just to position, recess 5a on block selecting wheel the sheet 1 and slide bar 4b on other two shift forks staggers, and only allows the slide bar 4b on reverse gear shifting fork 44 to move axially.
The selector fork 4 of each gear is arranged on same declutch shift shaft 1 by this device, only completes block selecting and function of putting into gear with a declutch shift shaft 1, can simplify gearshift, reduce arrangement space, contribute to miniaturization and the lightweight of shift control mechanism.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. the shifting operating device of an automobile, this device comprises the declutch shift shaft (1) that an energy circumference is rotated and moved axially and the some selector fork groups being arranged on this declutch shift shaft (1) side, often organize selector fork group and be equipped with two selector forks (4), described declutch shift shaft (1) is installed with the gearshift shifting block (3) that can match with described each selector fork (4), it is characterized in that, this declutch shift shaft (1) is also provided with circumference to fix and some block selectings wheel sheet (5) axially can slided, each block selecting wheel sheet (5) is positioned between corresponding two selector forks (4), the side of described declutch shift shaft (1) is provided with can by the limit structure of described block selecting wheel sheet (5) axial limiting, described block selecting wheel sheet (5) can limit moving axially of described selector fork (4), one of them gearshift shifting block (3) can be made to be connected in the selector fork (4) matched with it by rotating described declutch shift shaft (1), and make block selecting wheel sheet (5) allow this chosen selector fork (4) and gearshift shifting block (3) axial synchronizing moving simultaneously.
2. the shifting operating device of a kind of automobile according to claim 1, it is characterized in that, described limit structure comprises and is positioned at described declutch shift shaft (1) side and the positive stop (6) that can be installed on car body, described positive stop (6) has a cavity towards this declutch shift shaft (1) (6a), and this cavity (6a) radial direction pincers are located at the both ends of the surface of this block selecting wheel sheet (5).
3. the shifting operating device of a kind of automobile according to claim 2, it is characterized in that, described selector fork (4) comprises the yoke (4a) and slide bar (4b) that are connected mutually, described yoke (4a) and slide bar (4b) are arranged along the radial direction of described declutch shift shaft (1) with axial respectively, described yoke (4a) end is provided with draw-in groove (4c), and described gearshift shifting block (3) has the dop (3a) matched with this draw-in groove (4c).
4. the shifting operating device of a kind of automobile according to claim 3, it is characterized in that, the end face of described block selecting wheel sheet (5) can block described slide bar (4b) and move axially, the outer side surface of described block selecting wheel sheet (5) has a recess radially offered (5a), recess (5a) can be made to be on the position just right with slide bar (4b) by rotating described block selecting wheel sheet (5), and this recess (5a) can hold, and described slide bar (4b) is axial to be passed through.
5. the shifting operating device of a kind of automobile according to claim 3 or 4, it is characterized in that, the both sides of described positive stop (6) have the groove one (6b) and groove two (6c) that are connected with cavity (6a), being staggeredly located out of described groove one (6b) and groove two (6c), the slide bar (4b) described in described groove one (6b) and groove two (6c) all can hold is current.
6. the shifting operating device of a kind of automobile according to claim 1 or 2 or 3 or 4, is characterized in that, described block selecting wheel sheet (5) is socketed on declutch shift shaft (1), and is provided with axial guide finger between the two.
7. the shifting operating device of a kind of automobile according to claim 1 or 2 or 3 or 4, it is characterized in that, one end of described declutch shift shaft (1) is arranged with abutment sleeve (2), abutment sleeve is provided with locking ball in (2), (1) also offers positioning hole to this declutch shift shaft, and described locking ball can be connected in described positioning hole in the drive lower part of abutment sleeve (2).
8. the shifting operating device of a kind of automobile according to claim 1 or 2 or 3 or 4, is characterized in that, the other end of described declutch shift shaft (1) offers gear lock groove (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047231.9A CN102588581B (en) | 2012-02-28 | 2012-02-28 | Gear-changing control device of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047231.9A CN102588581B (en) | 2012-02-28 | 2012-02-28 | Gear-changing control device of automobile |
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| Publication Number | Publication Date |
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| CN102588581A CN102588581A (en) | 2012-07-18 |
| CN102588581B true CN102588581B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210047231.9A Active CN102588581B (en) | 2012-02-28 | 2012-02-28 | Gear-changing control device of automobile |
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| CN (1) | CN102588581B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853071B (en) * | 2012-09-21 | 2015-04-22 | 长城汽车股份有限公司 | Transmission shift mechanism, transmission and motor vehicle |
| CN103075510A (en) * | 2013-01-17 | 2013-05-01 | 浙江万里扬变速器股份有限公司 | Speed changer manipulating mechanism with fan-shaped interlocking plate |
| CN103527763A (en) * | 2013-10-30 | 2014-01-22 | 长城汽车股份有限公司 | Gear shifting mechanism and transmission with same |
| CN107166027A (en) * | 2017-06-02 | 2017-09-15 | 重庆隆旺机电有限责任公司 | Shifting fork gear-shifting mechanism |
| CN110715046A (en) * | 2019-10-25 | 2020-01-21 | 蒙城县弘文信息科技有限公司 | Gear interlocking mechanism for agricultural machine gearbox |
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|---|---|---|---|---|
| DE19843584A1 (en) * | 1998-09-23 | 2000-03-30 | Zahnradfabrik Friedrichshafen | Manually-operated gear selector mechanism for multi-stage gearbox has a locking shaft which is axially secured, and running parallel to the gear selector shaft |
| CN1849477A (en) * | 2003-10-13 | 2006-10-18 | Zf腓德烈斯哈芬股份公司 | Shifting device |
| CN201318440Y (en) * | 2008-09-17 | 2009-09-30 | 唐山齿轮集团有限公司 | Operating device for 6-gear speed-variator of light vehicle |
| CN102287527A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Transmission shift mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729120A (en) * | 1980-07-29 | 1982-02-17 | Nissan Diesel Motor Co Ltd | Shifting mechanism of variable speed gear |
| JP2005155800A (en) * | 2003-11-26 | 2005-06-16 | Honda Motor Co Ltd | Gear clash prevention mechanism of reverse shift |
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- 2012-02-28 CN CN201210047231.9A patent/CN102588581B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843584A1 (en) * | 1998-09-23 | 2000-03-30 | Zahnradfabrik Friedrichshafen | Manually-operated gear selector mechanism for multi-stage gearbox has a locking shaft which is axially secured, and running parallel to the gear selector shaft |
| CN1849477A (en) * | 2003-10-13 | 2006-10-18 | Zf腓德烈斯哈芬股份公司 | Shifting device |
| CN201318440Y (en) * | 2008-09-17 | 2009-09-30 | 唐山齿轮集团有限公司 | Operating device for 6-gear speed-variator of light vehicle |
| CN102287527A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Transmission shift mechanism |
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| CN102588581A (en) | 2012-07-18 |
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