CN203822895U - Low-resistance synchronous ring and synchronizer - Google Patents
Low-resistance synchronous ring and synchronizer Download PDFInfo
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- CN203822895U CN203822895U CN201420167707.7U CN201420167707U CN203822895U CN 203822895 U CN203822895 U CN 203822895U CN 201420167707 U CN201420167707 U CN 201420167707U CN 203822895 U CN203822895 U CN 203822895U
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- tooth
- ring
- synchronizing ring
- synchronous ring
- slide block
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- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 210000000515 tooth Anatomy 0.000 description 110
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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Abstract
The utility model provides a low-resistance synchronous ring and a synchronizer. The low-resistance synchronous ring comprises a tapered annular synchronous ring base body, wherein a flange plate is arranged at the major-diameter end of the synchronous ring base body; three spline tooth sets are uniformly distributed on the outer circumference of the flange plate; each spline tooth set comprises a slider thrust block and two combination teeth; the combination teeth are distributed on two sides of the slider thrust blocks at equal intervals in the circumferential direction; claws extending toward the central axis of the synchronous ring base body are uniformly distributed at the minor-diameter end of the synchronous ring base body in the circumferential direction. The synchronizer employing the synchronous ring comprises a toothed sleeve, a toothholder and the like which are matched with the synchronous ring. According to the utility model, the contact area between the combination teeth and spline teeth in the toothed sleeve are reduced through reduction of the combination teeth on the premise of ensuring a uniform shifting force, so that additional resistance in the shifting process is reduced, the stressing uniformity of the whole synchronous ring is guaranteed, the synchronous ring can be used without replacing other parts, and the shifting is more cushy and smooth.
Description
Technical field
The utility model relates to automobile and uses driving component field, relates in particular to a kind of synchronizing ring and uses the synchronizer of this synchronizing ring.
Background technique
The gearshift of automobile has almost all used synchronizer now, wherein the most frequently used is inertial type of synchronizer, it mainly comprises: tooth cover, tooth hub, synchronizing ring and in conjunction with parts such as gear rings, its working principle is: by the friction between each conical ring, make tooth cover with in conjunction with synchronizeing rapidly between gear ring, and prevent that both from engaging before reaching synchronously, wherein, synchronizing ring plays locking and synchronous effect in shift process, existing synchronizing ring is conical ring shape, on the excircle of its ring body, be provided with a circle spline tooth, in this spline tooth and synchronizer on tooth cover inner peripheral surface spline tooth match, when gearshift, the spline tooth that tooth puts slides in the teeth groove between the spline tooth on synchronizing ring outer peripheral surface by the teeth groove between the spline tooth on toothholder, when tooth cover and the angular velocity between synchronizing ring reach while equating, the spline tooth that tooth puts slides in the teeth groove between the spline tooth on synchronizing ring excircle, completing synchrolock stop does, gearshift completes.
But because the spline tooth on synchronizing ring excircle can exist error in manufacture process, in shift process, the inner spline gear that can not each spline tooth can put with tooth coordinates seamless, even can cause obstruction, affects the stressed uniformity of synchronizing ring entirety.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of synchronizing ring of lower resistance, reduces at shift process due to the resistance that synchronizing ring manufacturing process causes, and makes gearshift lighter, smooth.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of lower resistance synchronizing ring, comprise conical ring shape synchronizing ring matrix, the bigger diameter end of described synchronizing ring matrix is provided with flange plate, the excircle of described flange plate is evenly equipped with three spline tooth groups, described spline tooth group comprises that a slide block thrust block and two are in conjunction with tooth, described combination tooth rim is to the both sides that are distributed in equally spacedly described slide block thrust block, and the miner diameter end of described synchronizing ring matrix is circumferentially evenly equipped with to the extended claw of synchronizing ring matrix central shaft.
By reducing in conjunction with the quantity of tooth, reduce the gearshift resistance that synchronizing ring produces in shift process, realize the effect of synchronizing ring synchronous and locking in shift process by three spline tooth groups.
Wherein, described claw is at least three, and described claw carries out locking for realizing at the each parts of synchronizer after synchronous to synchronizing ring, and tooth hub and interior conical ring in itself and synchronizer fasten.
Further, for ensureing the stability of synchronizing ring each position of orientation when the locking, described claw is set to six, is distributed on the miner diameter end of described synchronizing ring.Three claws are wherein the corresponding below that is arranged at three slide block thrust blocks respectively, and both Central Symmetries.
Wherein, the top of described combination tooth is provided with chamfering, and chamfering will act in conjunction with the Force decomposition on tooth, can ensure that by chamfering synchronizing ring is smooth and easy in sliding process.
The utility model also provides a kind of synchronizer that uses described lower resistance synchronizing ring, comprise tooth cover, tooth hub, synchronizing ring, bipyramid ring, interior conical ring, in conjunction with gear ring and slide block, the excircle of described tooth hub be circumferentially evenly equipped with slide block match slide block slot, on the end face of described tooth hub web, be circumferentially evenly equipped with described claw match the first draw-in groove, on the miner diameter end end face of described interior conical ring, be evenly equipped with described claw match the second draw-in groove, described claw is from being stuck in successively in the second draw-in groove and the first draw-in groove outside to inside, on the bigger diameter end end face of described bipyramid ring, be evenly equipped with locking projection, on the end face of described combination gear ring web, be circumferentially evenly equipped with described locking projection to the lock groove mating, described locking projection is fastened in the lock groove of described combination gear ring, described bipyramid ring is between described synchronizing ring and described interior conical ring, described tooth cover is fixed in by slide block on the excircle of described tooth hub, described in described slipper push, slide block thrust block moves to lockup state to described interior conical ring direction.
Wherein, on the inner peripheral surface of described tooth cover, be evenly equipped with the spline tooth matching with described combination tooth, the gap between adjacent spline tooth forms for the combination teeth groove in conjunction with tooth engagement.
Wherein, the top of the spline tooth on described tooth cover inner peripheral surface is provided with the chamfering matching with described combination tooth tip.
The utility model has changed in existing design by tooth and has overlapped the matched structure of locking of multiple combination teeth on multiple spline tooths and synchronizing ring on inner peripheral surface, reduce the quantity in conjunction with tooth, when tooth puts the chamfer surface of spline tooth and synchronizing ring and contacts in conjunction with the chamfer surface of tooth, produce a positive pressure N, positive pressure N is decomposed into axial thrust load S and ring power T by chamfer surface, under promoting, power S make between synchronizing ring and other conical ring angular velocity consistent gradually, now synchronizing ring turns over an angle, and the spline tooth that tooth puts is continued to slide.The spline tooth that in this process, tooth puts is without matching with multiple combination teeth again, conversely, only need six in synchronizing ring to slip in the teeth groove between tooth cover inner spline gear and can complete locking in conjunction with tooth, reduced issuable resistance in tooth cover and synchronizing ring relative sliding process.
Advantage and the good effect that the utlity model has are: by reducing the mode in conjunction with tooth, uniform three spline tooth groups in synchronizing ring, ensureing under the uniform prerequisite of gear shifting force, reduce the area of contact in conjunction with tooth and tooth cover inner spline gear, thereby reduce resistance extra in shift process, and ensured the stressed uniformity of synchronizing ring entirety.
Brief description of the drawings
Fig. 1 is the structural representation of existing synchronizing ring
Fig. 2 is schematic perspective view of the present utility model
Fig. 3 is that master of the present utility model looks schematic diagram
Fig. 4 is schematic top plan view of the present utility model
Fig. 5 is the structural representation of synchronizer in the utility model
In figure: 1-synchronizing ring matrix, 11-flange plate, 12-slide block thrust block, 13-is in conjunction with tooth, 14-claw, 2-tooth cover, 3-tooth hub, 31-the first draw-in groove, 4-bipyramid ring, 41-locking projection, conical ring in 5-, 51-the second draw-in groove, 6-is in conjunction with gear ring.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
Mentality of designing of the present utility model is: change in existing design by control multiple spline tooths in tooth cover to and its synchronizing ring matching on multiple combination teeth between teeth groove in has slided and synchronize and the thinking of locking, change interior the slip synchronously and locking of teeth groove between the combination teeth directional tooth cover inner spline gear of controlling in synchronizing ring into.Although essence is all the relative sliding of synchronizing ring and tooth cover, but can draw by this thinking: reduce the stability that not only still can ensure gearshift in conjunction with the quantity of tooth, and, due to multiple spline tooths and how high in conjunction with the matching degree requirement between tooth, resistance certainly will cause both relative slidings time increases, the synchronizing ring that the utility model provides can reduce these extra resistances, makes whole synchronizing ring stressed evenly.
This lower resistance synchronizing ring, comprise conical ring shape synchronizing ring matrix 1, the bigger diameter end of synchronizing ring matrix 1 is provided with flange plate 11, the excircle of flange plate 11 is evenly equipped with three spline tooth groups, spline tooth group comprises that a slide block thrust block 12 and two are in conjunction with tooth 13, the both sides that are circumferentially distributed in equally spacedly slide block thrust block 12 in conjunction with tooth 13, the miner diameter end of synchronizing ring matrix 1 is circumferentially evenly equipped with to the extended claw 14 of synchronizing ring matrix 1 central shaft.
Wherein, claw 14 is at least three, and claw 14 carries out locking for realizing at the each parts of synchronizer after synchronous to synchronizing ring, and tooth hub 3 and interior conical ring 5 in itself and synchronizer fasten.
Preferably, claw 14 is set to six, and is distributed on the miner diameter end of synchronizing ring, and this has ensured the stability of synchronizing ring position in the time of locking.Three claws 14 are wherein the corresponding below that is arranged at three slide block thrust blocks 12 respectively, and both Central Symmetries.
Wherein, for ensureing that synchronizing ring is smooth and easy in sliding process, be provided with chamfering in conjunction with the top of tooth 13, chamfering will act in conjunction with the Force decomposition on tooth 13.
Use the synchronizer of this lower resistance synchronizing ring, comprise tooth cover 2, tooth hub 3, synchronizing ring, bipyramid ring 4, interior conical ring 5, in conjunction with gear ring 6 and slide block, the excircle of tooth hub 3 be circumferentially evenly equipped with slide block match slide block slot, on the end face of tooth hub 3 webs, be circumferentially evenly equipped with claw 14 match the first draw-in groove 31, on the miner diameter end end face of interior conical ring 5, be evenly equipped with claw 14 match the second draw-in groove 51, claw 14 is from being stuck in successively in the second draw-in groove 51 and the first draw-in groove 31 outside to inside, on the bigger diameter end end face of bipyramid ring 4, be evenly equipped with locking projection 41, in conjunction with being circumferentially evenly equipped with on the end face of gear ring 6 webs with locking projection 41 to the lock groove mating, locking projection 41 is fastened in the lock groove in conjunction with gear ring 6, bipyramid ring 4 is between synchronizing ring and interior conical ring 5, tooth cover 2 is fixed on the excircle of tooth hub 3 by slide block, the inside conical ring 5 direction motions of slipper push slide block thrust block 12.
Wherein, on the inner peripheral surface of tooth cover 2, be evenly equipped with and the spline tooth matching in conjunction with tooth 13, the gap between adjacent spline tooth forms for the combination teeth groove engaging in conjunction with tooth 13.
Wherein, the top that tooth overlaps the spline tooth on 2 inner peripheral surfaces is provided with and the chamfering matching in conjunction with tooth 13 tops.
The working principle of this synchronizer is: when gearshift, shift fork acts on tooth cover 2, to 2 one gear shifting forces of tooth cover, synchronizing ring is subject to the effect of the gear shifting force of slide block transmission, thereby slipper push slide block thrust block 12 drives synchronizing ring axial motion, the inner conical surface of synchronizing ring contacts with the male cone (strobilus masculinus) of bipyramid ring 4, the inner conical surface of bipyramid ring 4 contacts with the male cone (strobilus masculinus) of interior conical ring 5 simultaneously, now, tooth overlaps the spline tooth on 2 and props up mutually in conjunction with tooth 13, due to the angular velocity of the parts such as output terminal bipyramid ring 4 parts such as grade and input end synchronizing ring not etc., and generation frictional force, in the time that synchronizing ring is rotated, control synchronizing ring and turn over the displacement of half tooth by the second draw-in groove 31 on tooth hub 3 end faces, in the time that frictional force makes input end angular velocity identical with output terminal acceleration, reach synchronous, now slipping into tooth in conjunction with tooth 13 overlaps in the teeth groove between 2 inner spline gears, tooth cover 2 with complete and engage in conjunction with gear ring 6, realize gearshift.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present invention.All equalization variation and improvement etc. of doing according to the utility model scope, within all should still belonging to this patent covering scope.
Claims (8)
1. a lower resistance synchronizing ring, it is characterized in that: comprise conical ring shape synchronizing ring matrix (1), the bigger diameter end of described synchronizing ring matrix (1) is provided with flange plate (11), the excircle of described flange plate (11) is evenly equipped with three spline tooth groups, described spline tooth group comprises that a slide block thrust block (12) and two are in conjunction with tooth (13), described combination tooth (13) is circumferentially distributed in the both sides of described slide block thrust block (12) equally spacedly, and the miner diameter end of described synchronizing ring matrix (1) is circumferentially evenly equipped with to the extended claw of synchronizing ring matrix (1) central shaft (14).
2. lower resistance synchronizing ring according to claim 1, is characterized in that: described claw (14) is at least three.
3. lower resistance synchronizing ring according to claim 1, is characterized in that: described claw (14) is six.
4. lower resistance synchronizing ring according to claim 3, is characterized in that: wherein three claws (14) respectively correspondence be arranged at the below of three slide block thrust blocks (12) and both Central Symmetries.
5. lower resistance synchronizing ring according to claim 1, is characterized in that: the top of described combination tooth (13) is provided with chamfering.
6. one kind uses the synchronizer of synchronizing ring as claimed in claim 1, it is characterized in that: comprise tooth cover (2), tooth hub (3), synchronizing ring, bipyramid ring (4), interior conical ring (5), in conjunction with gear ring (6) and slide block, the excircle of described tooth hub (3) be circumferentially evenly equipped with slide block match slide block slot, on the end face of described tooth hub (3) web, be circumferentially evenly equipped with described claw (14) match the first draw-in groove (31), on the miner diameter end end face of described interior conical ring (5), be evenly equipped with described claw (14) match the second draw-in groove (51), described claw (14) is from being stuck in successively in the second draw-in groove (51) and the first draw-in groove (31) outside to inside, on the bigger diameter end end face of described bipyramid ring (4), be evenly equipped with locking projection (41), on the end face of described combination gear ring (6) web, be circumferentially evenly equipped with the lock groove matching with described locking projection (41), described locking projection (41) is fastened in the lock groove of described combination gear ring, described bipyramid ring (4) is positioned between described synchronizing ring and described conical ring (5), described tooth cover (2) is fixed in by slide block on the excircle of described tooth hub (3), described in described slipper push, slide block thrust block (12) moves to described interior conical ring (5) direction.
7. synchronizer according to claim 6, it is characterized in that: on the inner peripheral surface of described tooth cover (2), be evenly equipped with the spline tooth matching with described combination tooth (13), the gap between adjacent spline tooth forms for the combination teeth groove in conjunction with tooth (13) engagement.
8. synchronizer according to claim 6, is characterized in that: the top of the spline tooth on described tooth cover (2) inner peripheral surface is provided with the chamfering matching with described combination tooth (13) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167707.7U CN203822895U (en) | 2014-04-08 | 2014-04-08 | Low-resistance synchronous ring and synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167707.7U CN203822895U (en) | 2014-04-08 | 2014-04-08 | Low-resistance synchronous ring and synchronizer |
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| Publication Number | Publication Date |
|---|---|
| CN203822895U true CN203822895U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167707.7U Expired - Fee Related CN203822895U (en) | 2014-04-08 | 2014-04-08 | Low-resistance synchronous ring and synchronizer |
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| CN (1) | CN203822895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899671A (en) * | 2014-04-08 | 2014-07-02 | 天津天海同步科技股份有限公司 | Low-resistance synchronous ring and synchronizer |
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2014
- 2014-04-08 CN CN201420167707.7U patent/CN203822895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899671A (en) * | 2014-04-08 | 2014-07-02 | 天津天海同步科技股份有限公司 | Low-resistance synchronous ring and synchronizer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301600 Jinhai Road, Jinghai Development Zone, Jinghai County, Tianjin 5 Patentee after: TIANJIN TANHAS TECHNOLOGY Co.,Ltd. Address before: 301600 Jinhai Road, Jinghai Development Zone, Jinghai County, Tianjin 5 Patentee before: TIANJIN TANHAS TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |