CN102287527A - Transmission shift mechanism - Google Patents
Transmission shift mechanism Download PDFInfo
- Publication number
- CN102287527A CN102287527A CN2011102099910A CN201110209991A CN102287527A CN 102287527 A CN102287527 A CN 102287527A CN 2011102099910 A CN2011102099910 A CN 2011102099910A CN 201110209991 A CN201110209991 A CN 201110209991A CN 102287527 A CN102287527 A CN 102287527A
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- China
- Prior art keywords
- transmission
- shifter
- wheel hub
- fork
- guide rail
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- 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.)
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- 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
- F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
- F16H63/16—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism
- F16H63/18—Multiple final output mechanisms being moved by a single common final actuating mechanism the final output mechanisms being successively actuated by progressive movement of the final actuating mechanism the final actuating mechanism comprising cams
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides a transmission shift mechanism, which belongs to the technical field of automobiles and solves the problem that the conventional transmission shift mechanism has a complicated structure and larger occupied space and is not suitable for light minitype sedans. The transmission shift mechanism comprises a shift shaft which is fixedly connected to a transmission shell and shifting forks which are sleeved on the shift shaft, wherein a cylindrical hub is arranged in the transmission shell and is connected with a power input end; guide rails which have the same quantity as the shifting forks and are arranged opposite to the shifting forks are arranged on the outer side of the hub; and one part of each shifting fork is connected with a corresponding guide rail. The transmission shift mechanism has the advantages of simpler and more compact structure and good shift effect.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of automotive transmission, particularly a kind of shifter of transmission.
Background technique
Automotive transmission must be equipped with gearshift to realize the gearshift work of speed changer, traditional gearshift is to adopt gearshift to refer to stir the purpose that prong frame on the selector fork assembly reaches gearshift, this structure needs a plurality of selector fork assemblies, and because the shift fork forked axle assembly is an one, when gearshift, refer to drive selector fork and axially move, can cause the gearshift catching phenomenon by gearshift.
At the problem that exists, people have designed various gearshifts, and some has also applied for patent, and for example the Chinese patent literature data discloses a kind of shifter of transmission [200810241299.4; Publication number: CN101457832A], it comprises block selecting arm, gear arm, housing, shifting axle, upward gearshift refers to and descends gearshift to refer to; The shifting axle inserts in the housing, and gear arm and shifting axle are rigidly connected, and the block selecting arm is connected with the axially reciprocal servo-actuated rotary moveable of shifting axle; Being rigidly connected on the shifting axle, going up shifts gears refers to and descends to shift gears refer to; On institute's shifting axle, interlock board is set, interlock board is an angle steel shape, the shifting axle stretches out from the interlock board lower end from the upper tip insertion of interlock board, interlock board is connected with the axial servo-actuated rotary moveable of shifting axle, refer to corresponding to gearshift on the shifting axle on the interlock board and down gearshift refer to that the position is respectively arranged with the gearshift finger-hole and the finger-hole of shifting gears down.
Above-mentioned patent refers to only drive a shift fork by the gearshift on the interlock board control shifting axle and rotates, can solve gearshift clamping stagnation problem, but structure is comparatively complicated, and its operation block selecting arm when gearshift, drive shifting axle and interlock board and move to finish block selecting, shifting axle two ends reservation that so just must be on case of transmission has so just increased the axial dimension of speed changer greater than the space of the stroke of shifting gears, complex structure and take up room greatlyyer is not suitable for light minicar.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of shifter of transmission less, simple in structure and that applicability is stronger that takes up room at existing technology.
Purpose of the present invention can realize by following technical proposal: a kind of shifter of transmission, comprise a gearshift axle and the shift fork that is enclosed within on the gearshift axle that is connected on the case of transmission, it is characterized in that, also has cylindrical wheel hub in the described case of transmission, described wheel hub links to each other with power intake, the described wheel hub outside has guide rail identical with fork quantity and that the position is corresponding, and an above-mentioned fork part is connected with guide rail.
When gearshift, power intake drives wheel hub and rotates.Because the shift fork sky is enclosed within on the gearshift axle, fork partly is connected the guide rail place, and wheel hub rotation drive guide rail is done corresponding rotation forces the part shift fork that is connected the guide rail place to do corresponding motion.Because of the shift fork sky is enclosed within on the gearshift axle, so the shift fork axle of shifting gears relatively moves up and down, and moving up and down of shift fork stirred synchronizer gear sleeve to realize the same step gear shifting of speed changer.
Shift fork partly is connected in the guide rail place in this shifter of transmission, and the shift fork position is subjected to the guide rail restriction, so the axial gearshift degree of regulation of shift fork is higher.Guide rail is corresponding to each gearshift gear, the shift fork axial motion that can allow one of them shift gears, and other shift fork is not axially moved.
In above-mentioned shifter of transmission, described wheel hub lower end is fixed with driven gear, also is fixed with motor in the described housing, has the engagement of driving gear and driving gear and driven gear on the machine shaft.Machine shaft rotation drives the driving gear rotation, by driving gear and driven gear engagement with transmission of power to the wheel hub that is connected mutually with driven gear, drives above-mentioned guide rail and rotates, the employing gear transmission has transmission efficiency height, stable transmission advantage.
In above-mentioned shifter of transmission, described driven gear and wheel hub concentric are provided with.Driven gear is concentric with wheel hub, and wheel hub can be rotated around its shaft axis when rotated.
In above-mentioned shifter of transmission, be provided with connecting pin between described fork and the guide rail, and an end and the fork of connecting pin be connected, the other end of connecting pin is embedded in above-mentioned guide rail place.Because of an end and the fork of connecting pin is connected, the guide rail place that the other end of connecting pin is embedded in, connecting pin to fork, makes the transmission of power on the wheel hub fork produce to move accordingly and stirs synchronizer gear sleeve to realize the purpose of speed changer with step gear shifting.
In above-mentioned shifter of transmission, described guide rail is provided with can be along its slide block that moves, and the other end of above-mentioned connecting pin links to each other with slide block.Rail is provided with the slide block that links to each other with the other end of connecting pin, because of slide block can better slide on guide rail, has the effective advantage of transmission; Simplified the structure of connecting pin to a certain extent, made its manufacturing convenient.
In above-mentioned shifter of transmission, it axially is with three forks described gearshift axle upper edge, has three guide rails corresponding with the fork position on the above-mentioned wheel hub.Three forks are stirred three synchronizer gear sleeves respectively to realize the gearshift action of a plurality of gears.
In above-mentioned shifter of transmission, has the blocking means of deciding that is used for the driven gear location between described driven gear and the case of transmission.Make shift fork stir synchronizer gear sleeve when connecting pin drives shift fork, decide blocking means driven gear is located, make the locating stud location, thereby realize the function of fixed retaining with after realizing that speed changer is with step gear shifting.
In above-mentioned shifter of transmission, described to decide blocking means be the driven gear end along its some positioning holes that circumferentially distribute and be connected locating piece on the case of transmission, and locating piece can insert in above-mentioned any one positioning hole.When keeping off surely, locating piece is inserted in the positioning hole, and with the driven gear location, each gear all has at least one positioning hole corresponding with locating piece, makes at each gear and can both realize deciding the retaining function.
In above-mentioned shifter of transmission, the size that described wheel hub upper rail fluctuates equates with the gearshift stroke.Even the size wheel hub that guide rail fluctuates drives the displacement that connecting pin moves up and down, the size that fluctuates because of guide rail equates with the gearshift stroke, so connecting pin drive shift fork is done the gearshift action.
Compared with prior art, this shifter of transmission has the following advantages:
1, drives the connecting pin that is connected with shift fork and drive moving of shift fork by being arranged on the guide rail that is distributed on the wheel hub, have and make an installing space of shifting gears spool less, make whole shifter of transmission simpler, compact;
2, realize gearshift function by slide block sliding zone in guide rail moving up and down of pin and fork that be dynamically connected is set, have the effective advantage of shifting gears.
Description of drawings
Fig. 1 is the plan structure schematic representation of this shifter of transmission.
Fig. 2 is the structural representation of facing of this shifter of transmission.
Fig. 3 is the expansion schematic representation of the wheel hub guide rail of this shifter of transmission.
Among the figure, 1, gearshift axle; 2, shift fork; 3, wheel hub; 4, guide rail; 41, groove; 5, driven gear; 6, connecting pin; 7, slide block; 8, positioning hole.
Embodiment
Below be specific embodiments of the invention and in conjunction with 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 Figures 1 to 3, a kind of shifter of transmission, comprise gearshift axle 1 and empty three shift forks 2 that are enclosed within on the gearshift axle 1 that are connected on the case of transmission, also has cylindrical wheel hub 3 in the case of transmission, wheel hub 3 lower ends are fixed with driven gear 5, driven gear 5 and wheel hub 3 concentric settings.Wheel hub 3 outsides have the guide rail 4 of three corresponding with the fork position respectively bendings, and guide rail 4 is for being positioned at three grooves 41 in wheel hub 3 outsides, and the size that guide rail 4 fluctuates equates with the gearshift stroke.Be equipped with connecting pin 6 between fork and the guide rail 4, an end of connecting pin 6 is connected with corresponding fork, and the other end of connecting pin 6 all is fixed with the slide block 7 that is embedded on the groove 41.
Also be fixed with motor in the housing, have driving gear on the machine shaft, driving gear is meshed with driven gear 5.Has the blocking means of deciding that is used for driven gear 5 location between driven gear 5 and the case of transmission.Deciding blocking means is driven gear 5 ends eight positioning holes 8 and the locating piece that is connected on the case of transmission along its circumferential distribution, and locating piece can insert in any one positioning hole 8.
When gearshift, the engagement drive wheel hub 3 that motor rotates by driving gear and driven gear 5 rotates, because of driven gear 5 and wheel hub 3 concentric settings, make wheel hub 3 can make the guide rail 4 that is arranged on the wheel hub 3 rotatablely move accordingly around its shaft axis rotation when rotated.One end of connecting pin 6 is connected mutually with corresponding fork, the other end of connecting pin 6 be arranged on guide rail 4 top slide blocks 7 and link to each other.When wheel hub 3 rotates to certain angle, drive wherein that a slide block 7 is done certain endwisely slipping and other two slide blocks 7 are motionless, and drive corresponding connecting pin 6 and make shift fork 2 move on the synchronizer gear sleeve of corresponding gear to realize gearshift.When the different amount of wheel hub 3 rotation, shift fork 2 is moved on the different synchronizer gear sleeves, realize changing different gears thereby make.
When keeping off surely, motor stops operating, and locating piece is inserted in the positioning hole 8 of driven gear 5, and driven gear 5 is in stationary state makes slide block 7 and wheel hub 3 keep relative static, thereby reaches the fixedly position of shift fork 2 and gearshift axle 1, realizes the fixed effect that keeps off.When needing to shift gears once more, locating piece is from positioning hole 8 separation, and motor rotates realizes gearshift once more.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make 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 gearshift axle 1, shift fork 2, wheel hub 3, guide rail 4, groove 41, driven gear 5, connecting pin 6, slide block 7, positioning hole 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 (9)
1. shifter of transmission, comprise that one is connected in the gearshift axle (1) on the case of transmission and is enclosed within shift fork (2) on the gearshift axle (1), it is characterized in that, also has cylindrical wheel hub (3) in the described case of transmission, described wheel hub (3) links to each other with power intake, described wheel hub (3) outside has guide rail (4) identical with fork quantity and that the position is corresponding, and the part of above-mentioned fork (2) is connected with guide rail (4).
2. shifter of transmission according to claim 1 is characterized in that, described wheel hub (3) lower end is fixed with driven gear (5), also is fixed with motor in the described housing, has driving gear and driving gear and driven gear (5) engagement on the machine shaft.
3. shifter of transmission according to claim 2 is characterized in that, described driven gear (5) and wheel hub (3) concentric setting.
4. according to claim 1 or 2 or 3 described shifter of transmission, it is characterized in that, be provided with connecting pin (6) between described fork and the guide rail (4), and an end and the fork of connecting pin (6) be connected, the other end of connecting pin (6) is embedded in above-mentioned guide rail (4) and locates.
5. shifter of transmission according to claim 4 is characterized in that, described guide rail (4) is provided with can be along its slide block that moves (7), and the other end of above-mentioned connecting pin (6) links to each other with slide block (7).
6. according to claim 1 or 2 or 3 described shifter of transmission, it is characterized in that it axially is with three forks described gearshift axle (1) upper edge, has three guide rails corresponding with the fork position (4) on the above-mentioned wheel hub (3).
7. according to claim 2 or 3 described shifter of transmission, it is characterized in that having the blocking means of deciding that is used for driven gear (5) location between described driven gear (5) and the case of transmission.
8. shifter of transmission according to claim 7, it is characterized in that, described to decide blocking means be driven gear (5) end along its some positioning holes (8) that circumferentially distribute and be connected locating piece on the case of transmission, and locating piece can insert in above-mentioned any one positioning hole (8).
9. according to claim 1 or 2 or 3 described shifter of transmission, it is characterized in that the size that described wheel hub (3) upper rail (4) fluctuates equates with the gearshift stroke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102099910A CN102287527A (en) | 2011-07-26 | 2011-07-26 | Transmission shift mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102099910A CN102287527A (en) | 2011-07-26 | 2011-07-26 | Transmission shift mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102287527A true CN102287527A (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102099910A Pending CN102287527A (en) | 2011-07-26 | 2011-07-26 | Transmission shift mechanism |
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| CN (1) | CN102287527A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588581A (en) * | 2012-02-28 | 2012-07-18 | 浙江吉利汽车研究院有限公司 | Gear-changing control device of automobile |
| CN103062395A (en) * | 2013-01-09 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Gear shifting mechanism of manual transmission |
| CN104265874A (en) * | 2014-09-30 | 2015-01-07 | 东风汽车公司 | Gear shifting control device of electronic control actuator |
| CN104781592A (en) * | 2012-09-10 | 2015-07-15 | Dti集团有限公司 | Driveline for a vehicle |
| CN106609842A (en) * | 2017-01-12 | 2017-05-03 | 西南大学 | Gearshift mechanism, gearbox and electric vehicle |
| CN107208786A (en) * | 2015-04-17 | 2017-09-26 | 宝马股份公司 | Method for controlling gearshift in nonsynchronous blade tooth speed changer |
| CN107269831A (en) * | 2017-07-13 | 2017-10-20 | 吉林大学 | Single motor gearshift of pure electric automobile electric control mechanical type automatic speed variator |
| CN108730512A (en) * | 2018-06-15 | 2018-11-02 | 山东理工大学 | Shifting vehicle gearbox axis triangle art chute designs method |
| CN108999967A (en) * | 2018-06-15 | 2018-12-14 | 山东理工大学 | Shifting vehicle gearbox axis triangle sliding slot optimum design method |
| CN109027220A (en) * | 2018-09-13 | 2018-12-18 | 山东理工大学 | Shifting vehicle gearbox axis circle contour line art chute designs method |
| CN110778713A (en) * | 2019-12-10 | 2020-02-11 | 重庆青山工业有限责任公司 | Transmission gear-shifting parking actuating mechanism |
| CN111173925A (en) * | 2020-01-22 | 2020-05-19 | 凯博易控车辆科技(苏州)股份有限公司 | Gear shifting mechanism and gear shifting method of transmission and vehicle |
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| CN2806895Y (en) * | 2005-06-28 | 2006-08-16 | 刘国杰 | Motorcycle engine gearshift mechanism |
| KR20080065365A (en) * | 2007-01-09 | 2008-07-14 | 위아 주식회사 | Transmission for vehicle |
| CN201228767Y (en) * | 2008-06-16 | 2009-04-29 | 光阳工业股份有限公司 | Shifting structure for vehicle |
| CN101625024A (en) * | 2008-07-10 | 2010-01-13 | C.R.F.阿西安尼顾问公司 | Sequential control device |
| US7963183B2 (en) * | 2009-04-06 | 2011-06-21 | Dean Pick | Sequential transmission shift system |
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2011
- 2011-07-26 CN CN2011102099910A patent/CN102287527A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2806895Y (en) * | 2005-06-28 | 2006-08-16 | 刘国杰 | Motorcycle engine gearshift mechanism |
| KR20080065365A (en) * | 2007-01-09 | 2008-07-14 | 위아 주식회사 | Transmission for vehicle |
| CN201228767Y (en) * | 2008-06-16 | 2009-04-29 | 光阳工业股份有限公司 | Shifting structure for vehicle |
| CN101625024A (en) * | 2008-07-10 | 2010-01-13 | C.R.F.阿西安尼顾问公司 | Sequential control device |
| US7963183B2 (en) * | 2009-04-06 | 2011-06-21 | Dean Pick | Sequential transmission shift system |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588581B (en) * | 2012-02-28 | 2015-03-04 | 浙江吉利汽车研究院有限公司 | Gear-changing control device of automobile |
| CN102588581A (en) * | 2012-02-28 | 2012-07-18 | 浙江吉利汽车研究院有限公司 | Gear-changing control device of automobile |
| CN104781592B (en) * | 2012-09-10 | 2017-08-22 | Dti集团有限公司 | drive system for vehicle |
| CN104781592A (en) * | 2012-09-10 | 2015-07-15 | Dti集团有限公司 | Driveline for a vehicle |
| US9664280B2 (en) | 2012-09-10 | 2017-05-30 | Dti Group B.V. | Driveline for a vehicle |
| CN103062395B (en) * | 2013-01-09 | 2015-08-05 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of manual transmission gearshift |
| CN103062395A (en) * | 2013-01-09 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Gear shifting mechanism of manual transmission |
| CN104265874A (en) * | 2014-09-30 | 2015-01-07 | 东风汽车公司 | Gear shifting control device of electronic control actuator |
| CN107208786B (en) * | 2015-04-17 | 2019-02-22 | 宝马股份公司 | Method for controlling shift in nonsynchronous blade tooth speed changer |
| CN107208786A (en) * | 2015-04-17 | 2017-09-26 | 宝马股份公司 | Method for controlling gearshift in nonsynchronous blade tooth speed changer |
| US10408147B2 (en) | 2015-04-17 | 2019-09-10 | Bayerische Motoren Werke Aktiengesellschaft | Method for controlling a gear change in the case of a non-synchronized dog-shift transmission |
| CN106609842A (en) * | 2017-01-12 | 2017-05-03 | 西南大学 | Gearshift mechanism, gearbox and electric vehicle |
| CN107269831A (en) * | 2017-07-13 | 2017-10-20 | 吉林大学 | Single motor gearshift of pure electric automobile electric control mechanical type automatic speed variator |
| CN108999967A (en) * | 2018-06-15 | 2018-12-14 | 山东理工大学 | Shifting vehicle gearbox axis triangle sliding slot optimum design method |
| CN108730512A (en) * | 2018-06-15 | 2018-11-02 | 山东理工大学 | Shifting vehicle gearbox axis triangle art chute designs method |
| CN109027220A (en) * | 2018-09-13 | 2018-12-18 | 山东理工大学 | Shifting vehicle gearbox axis circle contour line art chute designs method |
| CN110778713A (en) * | 2019-12-10 | 2020-02-11 | 重庆青山工业有限责任公司 | Transmission gear-shifting parking actuating mechanism |
| CN111173925A (en) * | 2020-01-22 | 2020-05-19 | 凯博易控车辆科技(苏州)股份有限公司 | Gear shifting mechanism and gear shifting method of transmission and vehicle |
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Application publication date: 20111221 |