CN104047969B - The lock unit of manual transmission and manual transmission - Google Patents
The lock unit of manual transmission and manual transmission Download PDFInfo
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- CN104047969B CN104047969B CN201310083186.7A CN201310083186A CN104047969B CN 104047969 B CN104047969 B CN 104047969B CN 201310083186 A CN201310083186 A CN 201310083186A CN 104047969 B CN104047969 B CN 104047969B
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Abstract
The lock unit of a kind of manual transmission of disclosure, it is arranged between two adjacent shift gears of manual transmission, this lock unit include tooth set, tooth hub, slide block and with shift gear engage the synchronous ring that male cone (strobilus masculinus) socket-connects, wherein tooth is arranged with three uniform slide block positioning key teeth, and the opposite side of each slide block positioning key tooth both sides is respectively provided with a limiting tooth；Tooth hub is provided with to assemble the slide block slot of slide block, is provided with spacing rib on slide block slot top；Slide block is provided with and matches and the position-limited wing of anti-limited slip block radial displacement for the spacing rib with tooth hub, and matches in case the positive stop lug boss axially deviate from of limited slip block for the limiting tooth that puts with tooth。The present invention adopts the radial and axial position limiting structure of innovation, it is ensured that when gearshift, slide block is without departing from going out tooth set, tooth hub, and tooth set adopts the scheme of low module, thin and tall tooth, is conducive to lock unit ultrathin to design。
Description
Technical field
The present invention relates to a kind of Manual shifting systems, particularly relate to the lock unit of a kind of manual transmission, and there is the manual transmission of this lock unit。
Background technology
China surmounted the U.S. from 2009 becomes the first in the world big automobile production and marketing state。But Domestic Automotive Industry is while obtaining the achievement so attracted people's attention, the oil price being also faced with day by day high enterprise and the energy-conserving and environment-protective constantly promoted require to wait Tough questions。And through the development of more than 100 years and innovation, the reduction oil consumption technology of current automobile engine has been absorbed in innovation bottleneck, can't see the possibility of great strategic structural in the short time。Therefore, the hope reducing automobile energy consumption can only remove seeking breakthrough from other system beyond electromotor。In this case, variator is as the kernel component of automobile power assembly, and its lightweight, many gears and compactedness design just serve certain contribution to reducing car load energy consumption。
At present, the vehicle of the configuration manual transmission that market occurs, it is mostly domestic compact and minicar, mainstream car design is usually configuration five speed gearbox, but this configuration is due to the good fuel economy of the more difficult acquisition of the restriction of gear number。And if design above increases gears more, generally under can not reducing tooth axle strength conditions, transmission assembly axial length necessarily increases, and assembly quality also increases accordingly, and this just brings a difficult problem to the arrangement of power assembly, is also unfavorable for lightweight requirements。For this, in design the synchronizer structure in variator is just had higher requirement, good shift quality should be ensured, again as net amount, shorten axial space breach。
According to investigation, current existing two-way synchronizer, the axial width ultra-thin lock unit below 17.5 millimeters, main structure is to adopt ring spring to replace synchronizer key to carry out presynchronization, to shorten the axial width of the tooth set of lock unit, tooth hub, but this scheme is relatively difficult to control to due to the deformation of ring spring, it is easy to produce presynchronization incomplete, the problems such as forward and back block card is stagnant。
On the other hand, such as No. 200910307120.5 disclosed one " lock unit of Anti-extrusion integrated slider " of Chinese invention patent application, its technical scheme is only limited to anti-limited slip block hold off device, can not realize ultra-thin synchronizer structure。Having rectangle fixture block in the middle of slide block, tooth overlaps two ends Design Orientation button, it is prevented that axial the deviating from of slide block, it does not have consider the beat of the radial direction of slide block, and locating button design overlaps two ends at tooth, it is difficult with plain cutter and processes on tooth overlaps and realize batch production。
Summary of the invention
It is an object of the invention to provide a kind of lock unit for manual transmission, realize short synchronized stroke, improve gear level thick stick ratio, reduce gearshift momentum, ensure that good gearshift performance, effectively shorten axial space simultaneously, alleviate part quality, and effectively prevent gearshift rear slider from deviating to cause lock unit to lose efficacy。
To achieve these goals, the present invention proposes following technical scheme: the lock unit of a kind of manual transmission, it is arranged between two adjacent shift gears of manual transmission, this lock unit includes tooth set, it is assemblied in the tooth hub in tooth set, be arranged on the slide block on tooth hub and tooth set with between shift gear and with shift gear engage the synchronous ring that male cone (strobilus masculinus) socket-connects, wherein the inner ring of this tooth set is provided with inner spline gear and slide block positioning key tooth, opposite side in these slide block positioning key tooth both sides is respectively provided with a limiting tooth, and it is provided with detent mechanism on slide block positioning key tooth；Tooth hub is provided with the teeth groove corresponding with the inner spline gear of tooth set, and in order to assemble the slide block slot of slide block, is provided with spacing rib on the top of slide block slot adjacent teeth hub excircle；Slide block is provided with a pair slide block key and slide block keyway suitable with the slide block positioning key tooth of tooth set between slide block key, be provided with in slide block keyway with tooth overlap on detent mechanism suitable coordinate detent mechanism, respectively extending one from the outside of each slide block key to match and the position-limited wing of anti-limited slip block radial displacement for the spacing rib with tooth hub, the opposite side two spacing Jis is respectively convexly equipped with one and matches for the limiting tooth overlapped with tooth in case the positive stop lug boss axially deviate from of limited slip block。
Alternatively, in the inventive solutions, the limiting tooth of this tooth set is half tooth-shape structure, and its length axially extended is to carry out accommodation according to gearshift stroke to determine, its axial width is minimum for 16.5mm。
Alternatively, in the inventive solutions, the inner spline gear of tooth set adopts low module profile of tooth and inner spline gear to adopt fine-high-gear structure。
Alternatively, in the inventive solutions, the inner ring of tooth set is provided with three equally distributed slide block positioning key teeth, and the middle part of each slide block positioning key tooth is respectively arranged with a ball seat groove as detent mechanism。
Alternatively, in the inventive solutions, the both sides of each slide block positioning key tooth that tooth puts be close to tooth set arranged on left and right sides circumferential edges place be respectively provided with a limiting tooth。
Alternatively, in the inventive solutions, the outer circumference surface of tooth hub is provided with three equally distributed slide block slots, and these slide block slots radially cut tooth hub and generally t-shaped in the axial direction。
Alternatively, in the inventive solutions, slide block slot respectively sets near both sides of the edge, the top place of the outer circumference surface of tooth hub convex has a spacing rib, thus at each spacing rib spacing draw-in groove formed below, this spacing draw-in groove matches with the spacing Ji of slide block in case limited slip block radial displacement。
Alternatively, in the inventive solutions, the middle part of the slide block keyway on slide block is provided with the location bulb as a cooperation detent mechanism, this location bulb be installed below spring so that this location bulb keeps being resisted against under normality on the slide block positioning key tooth of tooth set in set ball seat groove。
Alternatively, in the inventive solutions, the outer circumference surface of tooth hub is separately evenly equipped with three synchronization angle grooves radially cutting tooth hub with interlaced place, slide block slot position。
Alternatively, in the inventive solutions, synchronous ring includes a gear ring and the little length back cone extended to form from the side circumferential edges of gear ring。
Alternatively, in the inventive solutions, synchronous ring is provided with three synchronization corner boss being evenly arranged, and the position of each synchronization corner boss is configured to corresponding and adaptive with synchronization angle groove set on tooth hub with configuration。
Alternatively, in the inventive solutions, adjacent in synchronous ring two synchronize also to be arranged with a presynchronization rubbing surface between corner boss, and each presynchronization attrition surface is configured to corresponding with the slide position of assembling on tooth hub。
The present invention also provides for a kind of manual transmission, and this manual transmission includes the lock unit described by aforementioned any one or multinomial technical scheme。
The present invention take into account the potential failure form that ultra-thin lock unit brings, and adopts the radial and axial position limiting structure design of innovation, it is ensured that slide block is without departing from going out tooth set, tooth hub when gearshift。And, the tooth set profile of tooth of lock unit of the present invention is compared with existing conventional synchronizer tooth hub, tooth set and synchronous ring, under same prunus mume (sieb.) sieb.et zucc. angle design point, the side set stroke of tooth set and shift gear shortens, three divide equally slide block slot and little length back cone adds the effective active length of lock unit, these design features combine shorter synchronized stroke, it is ensured that be linked into tooth set and shift gear after gear, tooth hub effectively in conjunction with length。Above technical scheme ensure that ultra-thin lock unit realizes good synchronizing function, meanwhile, and ultrashort gearshift stroke, raising is conducive to change lever ratio, shorter lock unit side set stroke, make human pilot when gearshift, acting on the power on gear-shifting ball joint less, gearshift sense is more excellent。
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the lock unit for manual transmission of the present invention。
Fig. 2 is the axonometric chart of the tooth set in lock unit shown in Fig. 1。
Fig. 3 is the enlarged partial isometric view of the set of tooth shown in Fig. 2, it is shown that the inner spline gear profile of the tooth set in the present invention, the conventional internal spline tooth form profile before where the dotted line signifies that is not thinning。
Fig. 4 is the close-up plan view of the tooth set shown in Fig. 2, it is shown that the difference of the conventional modulus internal spline tooth form that the low module internal spline tooth form of the employing in the present invention and dotted line represent。
Fig. 5 is the axonometric chart of the tooth hub in lock unit shown in Fig. 1。
Fig. 6 is the axonometric chart of the Intagral slider in lock unit shown in Fig. 1。
Fig. 7 is the axonometric chart of the synchronous ring in lock unit shown in Fig. 1。
Fig. 8 is the sectional view of the lock unit for manual transmission of the present invention。
Wherein, the number designation in Fig. 1 to Fig. 8 illustrates as follows。
| 1 | Tooth set | 11 | Fork slot | ||
| 12、12’ | Inner spline gear | 13 | Slide block positioning key tooth | ||
| 120 | End relief | 14 | Ball seat groove | ||
| 15、16 | Limiting tooth | 2 | Tooth hub | ||
| 21 | Key tooth | 22 | Teeth groove | ||
| 23 | Slide block slot | 24 | Spacing rib | ||
| 25 | Spacing draw-in groove | 26 | Synchronize angle groove | ||
| 3 | Slide block | 31 | Slide block key | ||
| 32 | Slider post | 33 | Slide block keyway | ||
| 34 | Location bulb | 35 | Positive stop lug boss | ||
| 36 | Spacing Ji | 37 | Spring groove | ||
| 38 | Spring | 4 | Synchronous ring | ||
| 41 | Gear ring | 42 | Teeth groove | ||
| 43 | Back cone | 44 | Inner conical surface | ||
| 45 | Synchronize corner boss | 46 | Presynchronization friction groove | ||
| 5 | Shift gear | 51 | Engage male cone (strobilus masculinus) |
Detailed description of the invention
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing。
Easy to understand, according to technical scheme, under the connotation not changing the present invention, one of ordinary skill in the art can propose various structures mode and the implementation that can mutually replace。Therefore, detailed description below and accompanying drawing are only the exemplary illustrations to technical scheme, and are not to be construed as the whole of the present invention or are considered as defining or limiting technical solution of the present invention。
The orientation terms such as the up, down, left, right, before and after that occurs in this manual or be likely to occur, front, the back side, top, bottom are to be defined relative to the structure shown in each accompanying drawing, they are relative concepts, it is therefore possible to can residing for it diverse location, different use state and correspondingly change。So, also these or other orientation term should be construed to restricted term。
Refer to shown in Fig. 1, according to technical scheme, in one embodiment, lock unit is arranged on two shift gears in manual transmission, it is preferably provided between two high speed shift gears 5, such as three and four, between five and six gears, this lock unit includes tooth set 1, tooth hub 2, slide block 3 and synchronous ring 4, wherein, the quantity of slide block 3 is generally three, its be evenly distributed in the slide block slot 23 of tooth hub 2 and its top protrude tooth hub 2 outer, and ball seat groove 14 clamping corresponding on 1 ring gear is overlapped with tooth, tooth hub 2 and tooth overlap 1 and coordinate and be assemblied in tooth and overlap in 1, tooth overlaps the joint gear 5 that 1 both sides are one group of mutually isostructural synchronous ring 4 gear different from two respectively, the inner conical surface 44 of each synchronous ring 4 socket-connects with the joint male cone (strobilus masculinus) 51 of shift gear 5。
Specifically, referring to shown in Fig. 2, the outer ring of this tooth set 1 is provided with fork slot 11 along its anchor ring, gear shift fork (not shown) is assemblied in this fork slot 11 thus being stirred tooth set 1 and moving to carry out gear shift operation to left and right。The inner ring of tooth set 1 is provided with the multiple inner spline gears 12 axially extended, wherein comprise and overlap, along tooth, three slide block positioning key teeth 13 that inner ring is uniform, the middle part of each slide block positioning key tooth 13 is respectively arranged with a ball seat groove 14 as detent mechanism, and a left side for tooth set 1 it is close in the both sides of each slide block positioning key tooth 13, ring edge place, right both sides is respectively provided with a limiting tooth 15, 16, compared with slide block positioning key tooth 13, limiting tooth 15, 16 is half tooth-shape structure, and its length axially extended can carry out accommodation according to gearshift stroke, such as it is about 1st/1 to four/5ths of slide block positioning key tooth 13 length, and its axial width is minimum for 16.5mm。
Shown in Fig. 3, the inner spline gear 12 of this tooth set 1 adopts fine-high-gear structure, each inner spline gear 12 be respectively arranged at two ends with end relief 120, thus being conducive to engaging of tooth set 1 and synchronous ring 4 and shift gear 5。Owing to adopting thin type design, compared with the thinning tooth profile before that dotted line in figure represents, the tooth proportions of the inner spline gear 12 in technical solution of the present invention is substantially thinning。Further, please refer to Fig. 4, according to technical scheme, the inner spline gear 12 of this tooth set 1 adopts low module profile of tooth, i.e. its modulus is less than 1。Compared with the conventional modulus profile of tooth 12 ' that dotted line in Fig. 4 represents, the transverse tooth thickness of the inner spline gear 12 of low module profile of tooth of the present invention is less, guaranteeing that the tooth set 1 of the ultrathin design according to technical scheme and tooth hub 2 are after being linked into gear, tooth set 1 effectively meets requirement of strength in conjunction with length with the axial of tooth hub 2。
Shown in Fig. 5, according to technical scheme, tooth hub 2 in lock unit is fixedly disposed in the output shaft (not shown) of variator, the outer circumference surface of this tooth hub 2 is evenly equipped with multiple key tooth 21 axially extended, teeth groove 22 is formed between two between adjacent key tooth 21, these teeth groove 22 are engagements corresponding with the inner spline gear 12 of tooth set 1 so that tooth hub 2 can be assembled in tooth set 1。The outer circumference surface of this tooth hub 2 is further provided with equally distributed three slide block slots 23 in order to install Intagral slider 3, this slide block slot 23 radially cuts tooth hub 2, and it is generally t-shaped in the axial direction, it respectively sets near both sides of the edge, the top place of the outer circumference surface of tooth hub 2 convex has a spacing rib 24, thus at each spacing rib 24 spacing draw-in groove 25 formed below, the radial direction to limit the slide block 3 being accommodated therein is rocked and anti-limited slip block 3 is deviate from。It addition, be separately evenly equipped with three synchronization angle grooves 26 radially cutting tooth hub on the outer circumference surface of this tooth hub 2 with interlaced place, slide block slot 23 position。
Refer to again shown in Fig. 6, in the lock unit of the present invention, the slide block 3 being assembled in the slide block slot 23 of tooth hub 2 adopts integral structure to design, its overall profile is generally T-shaped, including being located at a pair slide block key 31 on top and being located at the slider post 32 of lower section, wherein, forming a slide block keyway 33 between a pair slide block key 31, this slide block keyway 33 is configured to suitable with the slide block positioning key tooth 13 of tooth set 1。Location bulb 34 it is provided with at the middle part of this slide block keyway 33, as a cooperation detent mechanism, the ball seat groove 14 that this location bulb 34 is configured to overlap on the slide block positioning key tooth 13 of 1 with tooth is suitable, and location bulb 34 is installed below spring 38, shown in Fig. 8, spring 38 is arranged in the spring groove 37 formed by the hollow space of slider post 32, elastic force effect by spring 38 makes this location bulb 34 keep being resisted against in ball seat groove 14 under normality, so that tooth hub 2 can overlap in 1 at tooth by relative localization。It addition, extend a pair position-limited wing 36 respectively to both sides from slide block key 31, and the opposite side this pair spacing Ji 36 is respectively convexly equipped with a positive stop lug boss 35。When slide block 3 is assembled into the slide block slot 23 of tooth hub 2, a pair spacing Ji 36 of slide block 3 is assemblied in the spacing draw-in groove 25 of both sides, slide block slot 23 top respectively, and when tooth hub 2 be fitted into further tooth overlap 1 time, the inner slide positioning key tooth 13 of tooth set 1 and ball seat groove 14 match with the slide block keyway 33 of slide block 3 and location bulb 34 respectively, and slide block key 31 is then assembled between slide block positioning key tooth 13 and the limiting tooth 15 of tooth set 1。So, the mating reaction by means of position-limited wing 36 with spacing rib 24 provides radially anticreep mechanism, and the mating reaction of the limiting tooth 15,16 of positive stop lug boss 35 and tooth set 1 provides axial anticreep mechanism, it is prevented that slide block 3 is deviate from after putting into gear。
Should be appreciated that in one embodiment, the lock unit of the present invention have employed the nonmetal complex appearance slide block 3 of conventional spring steel ball integral type, it is ensured that during slide block presynchronization, suitable operational forces and work area。Comparing existing ring spring formula lock unit, this slide block is all easier to control in design or manufacture view。And, for ultra-thin synchronizer structure, after considering that synchronizer gear sleeve 1 is linked into gear, the location bulb 34 of slide block 3 deviates from the ball seat groove 14 of tooth set 1, radially it is susceptible to rock, axially it is likely to tooth set 1, on the slide block slot 23 of tooth hub 2, therefore devises spacing rib 24 radially, it is prevented that the radial displacement that slide block 3 is monolateral；And on slide block 3, devising the positive stop lug boss 35 in order to Anti-extrusion, tooth set 1 is provided with limiting tooth 15,16, and this limiting tooth structure facilitates milling, and plain cutter can shape, suitable with the positive stop lug boss 35 on slide block 3 thus anti-axially deviating from。
Fig. 7 shows the synchronous ring 4 in the lock unit of the present invention, this synchronous ring 4 includes a gear ring 41 and the back cone 43 extended to form from the side circumferential edges of gear ring 41, forming a teeth groove 42 suitable with the inner spline gear 12 of tooth set 1 between two adjacent teeth of gear ring 41, the inner ring of back cone 43 is then provided with inner conical surface 44 and engages for the male cone (strobilus masculinus) 51 with shift gear 5。This synchronous ring 4 is provided with three synchronization corner boss 45 being evenly arranged, and the position of each synchronization corner boss 45 and configuration are configured to corresponding and adaptive with synchronization angle groove 26 set on tooth hub 2。Further, adjacent two synchronize also to be arranged with a presynchronization rubbing surface 46 between corner boss 45, and each presynchronization attrition surface 46 is configured to corresponding with slide block 3 position of assembling on tooth hub 2。
According to technical scheme, the working method of the lock unit described in above-described embodiment is as described below。Coordinate consult the lock unit sectional structure shown in Fig. 8 it will be appreciated that, when shift fork (not shown) stir tooth set 1 move from neutral gear position to target gear vertically time, the mating reaction positioning bulb 34 and the ball seat groove 14 of tooth set 1 due to slide block 3, band movable slider 3 is orthokinetic together simultaneously for tooth set 1, until the end face of slide block 3 strikes the presynchronization rubbing surface 46 of synchronous ring 4, under the promotion of slide block 3, synchronous ring 4 is pressed towards the joint male cone (strobilus masculinus) 51 of shift gear 5。Due to shift gear 5, there is speed discrepancy in synchronous ring 4 and tooth hub 2, now shift gear 5 drives the relative tooth hub 2 of synchronous ring 4 to move, when tooth hub 2 is identical with the rotating speed of shift gear 5, tooth overlaps 1 and continues to move to movable slider 3 until the bulb 34 that positions on slide block 3 deviates from the ball seat groove 14 of tooth set 1, then tooth set 1 contacts with synchronous ring 4 and produces ring moment, this ring moment promotes synchronous ring just and to separate with shift gear 5 for 4 times, then the inner spline gear 12 of tooth set 1 engages with the teeth groove 42 in synchronous ring 4, after tooth set 1 is moved across synchronous ring 4, continue to move to and be engaged to thrust surface with the synchronous gear 52 of shift gear 5。Now, the limiting tooth 15(or 16 of tooth set 1) lean with the positive stop lug boss 35 on slide block 3, mating reaction therebetween is thus anti-limited slip block 3 crosses displacement。
In technical scheme, the tooth set profile of tooth of lock unit is compared with existing conventional synchronizer tooth hub, tooth set and synchronous ring, under same prunus mume (sieb.) sieb.et zucc. angle design point, the side set stroke of tooth set 1 and shift gear 5 shortens, three divide equally slide block slot 23 and little length back cone 43 adds the effective active length of lock unit, these design features combine shorter synchronized stroke, it is ensured that be linked into tooth set 1 and shift gear 5 after gear, tooth hub 2 effectively in conjunction with length。Design above scheme, it is ensured that ultra-thin lock unit realizes good synchronizing function, simultaneously, ultrashort gearshift stroke, is conducive to raising to change lever ratio, shorter lock unit side set stroke, making human pilot when gearshift, act on the power on gear-shifting ball joint less, gearshift sense is more excellent。
Therefore, ultra-thin lock unit for manual transmission provided by the invention is by the design of low module, thin and tall tooth, and consider the potential failure form that ultra-thin lock unit brings, namely slide block detaches tooth set, tooth hub, adopt the radial and axial position limiting structure design of innovation, consider the manufacturability of this structure so that the lock unit of the present invention has can wide variety of feature simultaneously。Compared with prior art, the short synchronized stroke of the lock unit of the present invention, coordinate big lever ratio, what bring is the lifting of gearshift performance and comfort；Ultrathin design can effectively shorten axial space, alleviate part quality simultaneously, increases transmission gear create feasibility for compact, minicar。
Claims (13)
1. the lock unit of a manual transmission, it is arranged between two adjacent shift gears (5) of manual transmission, the tooth hub (2) that described lock unit includes tooth set (1), be assemblied in described tooth set, the slide block (3) being arranged on described tooth hub and the synchronous ring (4) socket-connected between described tooth set and shift gear and with the joint male cone (strobilus masculinus) (51) of shift gear, it is characterized in that
The inner ring of described tooth set is provided with slide block positioning key tooth (13) and inner spline gear (12), and the opposite side in described slide block positioning key tooth both sides is respectively provided with a limiting tooth (15,16), and described slide block positioning key tooth is provided with detent mechanism (14)；
Described tooth hub is provided with the teeth groove (22) corresponding with the inner spline gear that described tooth overlaps, and in order to assemble the slide block slot (23) of described slide block, is provided with spacing rib (24) on the top of the contiguous described tooth hub excircle of described slide block slot；
Described slide block is provided with a pair slide block key (31) and the suitable slide block keyway (33) of the slide block positioning key tooth that overlaps between described slide block key with described tooth, be provided with in described slide block keyway with described tooth overlap on detent mechanism suitable coordinate detent mechanism (34), one is respectively extended for matching and the position-limited wing (36) of anti-limited slip block radial displacement with the spacing rib of described tooth hub from the outside of each slide block key, opposite side in the spacing Ji of said two is respectively convexly equipped with one and matches for the limiting tooth overlapped with described tooth in case the positive stop lug boss (35) axially deviate from of limited slip block。
2. the lock unit of manual transmission according to claim 1, it is characterised in that the limiting tooth of described tooth set is half tooth-shape structure, its length axially extended is to carry out accommodation according to gearshift stroke to determine, its axial width is minimum for 16.5mm。
3. the lock unit of manual transmission according to claim 1, it is characterised in that the inner spline gear of described tooth set adopts low module profile of tooth and described inner spline gear to adopt fine-high-gear structure。
4. the lock unit of the manual transmission according to Claims 2 or 3, it is characterized in that, the inner ring of described tooth set is provided with three equally distributed described slide block positioning key teeth, and the middle part of each described slide block positioning key tooth is respectively arranged with a ball seat groove as described detent mechanism。
5. the lock unit of manual transmission according to claim 4, it is characterised in that the both sides of each slide block positioning key tooth that described tooth puts are close to the arranged on left and right sides circumferential edges place of tooth set and are respectively provided with a described limiting tooth。
6. the lock unit of manual transmission according to claim 5, it is characterised in that the outer circumference surface of described tooth hub is provided with three equally distributed described slide block slots, described slide block slot radially cuts described tooth hub and generally t-shaped in the axial direction。
7. the lock unit of manual transmission according to claim 6, it is characterized in that, described slide block slot respectively sets near both sides of the edge, the top place of the outer circumference surface of described tooth hub convex has a described spacing rib, thus at each described a spacing rib spacing draw-in groove formed below, described spacing draw-in groove matches with the spacing Ji of described slide block in case limited slip block radial displacement。
8. the lock unit of manual transmission according to claim 7, it is characterized in that, be provided with the location bulb as a described cooperation detent mechanism in the middle part of the described slide block keyway of described slide block, described location bulb be installed below spring so that described location bulb keeps being resisted against under normality on the described slide block positioning key tooth of described tooth set in set ball seat groove。
9. the lock unit of manual transmission according to claim 8, it is characterised in that be separately evenly equipped with three synchronization angle grooves radially cutting described tooth hub with interlaced place, described slide block slot position on the outer circumference surface of described tooth hub。
10. the lock unit of manual transmission according to claim 1, it is characterised in that described synchronous ring includes a gear ring and the little length back cone extended to form from the side circumferential edges of gear ring。
11. the lock unit of manual transmission according to claim 9, it is characterized in that, described synchronous ring is provided with three synchronization corner boss being evenly arranged, and the position of each described synchronization corner boss is configured to corresponding and adaptive with synchronization angle groove set on described tooth hub with configuration。
12. the lock unit of manual transmission according to claim 11, it is characterized in that, respectively being arranged with a presynchronization rubbing surface between two described synchronization corner boss adjacent in described synchronous ring, each described presynchronization attrition surface is configured to corresponding with the described slide position of assembling on described tooth hub。
13. a manual transmission, described manual transmission includes the lock unit described in aforementioned any one or omnibus claims。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310083186.7A CN104047969B (en) | 2013-03-15 | 2013-03-15 | The lock unit of manual transmission and manual transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310083186.7A CN104047969B (en) | 2013-03-15 | 2013-03-15 | The lock unit of manual transmission and manual transmission |
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| CN104047969A CN104047969A (en) | 2014-09-17 |
| CN104047969B true CN104047969B (en) | 2016-06-22 |
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| CN201310083186.7A Active CN104047969B (en) | 2013-03-15 | 2013-03-15 | The lock unit of manual transmission and manual transmission |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697576B (en) * | 2015-12-14 | 2017-12-29 | 宁波上中下自动变速器有限公司 | A kind of powder metallurgy synchronizer tooth hub |
| DE102016008986A1 (en) * | 2016-07-22 | 2018-01-25 | Diehl Metall Stiftung & Co. Kg | synchronizer ring |
| AT520015B1 (en) * | 2017-05-30 | 2019-02-15 | Miba Sinter Austria Gmbh | Assembly with a spline |
| CN113483033B (en) * | 2021-06-28 | 2022-07-08 | 重庆长安汽车股份有限公司 | Unilateral synchronizer |
| CN114941665B (en) * | 2022-06-08 | 2023-06-06 | 哈尔滨东安汽车动力股份有限公司 | Synchronous mechanism of transmission gear shifting system |
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| EP1750025A2 (en) * | 2005-08-05 | 2007-02-07 | Kyowa Metal Works Co., Ltd | Shift device with synchronizer adapted for transmission |
| CN101363514A (en) * | 2008-09-25 | 2009-02-11 | 上海汽车变速器有限公司 | Steel ball and spring block type synchronization device |
| CN102165207A (en) * | 2008-08-06 | 2011-08-24 | 米巴烧结奥地利有限公司 | Power assist element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61294246A (en) * | 1985-06-20 | 1986-12-25 | Toyota Motor Corp | Synchromesh device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1750025A2 (en) * | 2005-08-05 | 2007-02-07 | Kyowa Metal Works Co., Ltd | Shift device with synchronizer adapted for transmission |
| CN102165207A (en) * | 2008-08-06 | 2011-08-24 | 米巴烧结奥地利有限公司 | Power assist element |
| CN101363514A (en) * | 2008-09-25 | 2009-02-11 | 上海汽车变速器有限公司 | Steel ball and spring block type synchronization device |
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| CN104047969A (en) | 2014-09-17 |
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