CN104863987B - A kind of synchronizer and automobile - Google Patents
A kind of synchronizer and automobile Download PDFInfo
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- CN104863987B CN104863987B CN201410065963.XA CN201410065963A CN104863987B CN 104863987 B CN104863987 B CN 104863987B CN 201410065963 A CN201410065963 A CN 201410065963A CN 104863987 B CN104863987 B CN 104863987B
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- synchronizer
- tooth hub
- boss
- tooth
- bracket groove
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Abstract
The present invention, which provides a kind of synchronizer and automobile, wherein synchronizer, to be included：Tooth hub, with the circumferential outer edge along tooth hub successively spaced multiple annular grooves, slide block slot and bracket groove；Tooth set that is coaxial and being slidably mounted on tooth hub, its circumferential inner surface are equipped with spline；Multiple sliding blocks in the slide block slot of tooth hub correspondingly；The synchronous ring being coaxially mounted in the annular groove of tooth hub, it has multiple convex blocks towards tooth hub protrusion；Multiple stents in the bracket groove of tooth hub correspondingly, stent includes pedestal and the boss from pedestal protrusion extension, the raised line being pressed against each other with bracket groove is equipped with pedestal and boss joint protrusion base-plates surface, pedestal both ends form the leg with arcing outer edges, the convex block of synchronous ring is inserted into bracket groove and forms clearance fit with two legs respectively, and diametrically boss connects with spline.The present invention can avoid reversing gear no synchronizer when put into gear beat tooth and lever synchronizer the gear shifting force problems of too when hanging top gear.
Description
Technical field
The present invention relates to automotive transmission field, more particularly to a kind of synchronizer and automobile.
Background technology
Generally solve the problems, such as to put into gear using two schemes for the speed changer of no reverse gear synchronizer at present：1. directly stop
Car is put into gear：The deficiency of this mode of putting into gear is that the rate of being linked into of reversing gear is low and beat tooth abnormal sound with speed changer；2. used in high speed gear
Lever synchronizer, brakes gear reversing function with the reverse rotating brake function of lever synchronizer, and the deficiency of the program is, lever is synchronous
The lever mass of device is larger, when top gear is put into gear, since centrifugal force acts on, increases top gear gear shifting force（On general handle
Gear shifting force increases 30 ~ 40N）.
The content of the invention
The technical problems to be solved by the invention are, there is provided one kind avoid reversing gear no synchronizer when put into gear beat tooth and thick stick
Bar synchronizer gear shifting force excessive synchronizer and automobile when hanging top gear.
In order to solve the above technical problem, the present invention provides a kind of synchronizer, including：
Tooth hub, has circumferential outer edge spaced multiple annular grooves, multiple slide block slots and multiple successively along the tooth hub
Bracket groove；
Tooth set that is coaxial and being slidably mounted on the tooth hub, the circumferential inner surface of the tooth set are equipped with spline；
Multiple sliding blocks in multiple slide block slots of the tooth hub correspondingly；
The synchronous ring being coaxially mounted in multiple annular grooves of the tooth hub, the synchronization ring, which has towards the tooth hub, to be protruded
Multipair convex block；
Multiple stents in multiple bracket grooves of the tooth hub correspondingly, the stent is including pedestal and certainly
The boss of the pedestal protrusion extension, the pedestal protrude the base-plates surface with the boss joint and are equipped with and the stent
The raised line that groove is pressed against each other, the pedestal both ends form the leg with arcing outer edges, and the multipair convex block difference of the synchronization ring is paired
Ground is inserted into the multiple bracket groove one by one, and be inserted into a pair of of convex block in same bracket groove respectively with installed in corresponding
Bracket groove in two legs of a stent form clearance fit, in radially described boss and the flower of the synchronizer
Keyway abuts against.
Wherein, it is more than the raised line and two leg in the distance of the radially described raised line and boss of the synchronizer
Distance.
Wherein, the spline includes an inclined-plane, the stent around the raised line rotate when, the inclined-plane causes extension to reverse gear
The boss is locked in the bracket groove on the inclined-plane and the tooth hub before Shi Suoshu synchronizations ring disappears with cone of friction speed difference
Between.
Wherein, the bracket groove forms opening in the circumferential outer edge of the tooth hub, and the stent is installed to the stent
During groove, the boss accommodates in said opening, is formed respectively between two leg end portions and bracket groove both ends cell wall
Resettlement section.
Wherein, a pair of of convex block of the synchronous ring is housed in two resettlement sections formed in corresponding bracket groove respectively
In.
Wherein, the cross section of the raised line is any of arch, rectangle, square, trapezoidal and polygon.
Wherein, the both ends of the surface of the raised line are arcwall face.
Wherein, the boss has arc-shaped seamed edge.
Wherein, the stent is 3, and the bracket groove is also 3, and 3 stents, which correspond, is installed on described 3
In bracket groove and spaced set.
The present invention also provides a kind of automobile, including the synchronizer.
The embodiment of the present invention is on the basis of hardly installation space is increased, by the Curve guide impeller to existing synchronizer,
Increase sets stent, makes it have conventional synchronizer and the function of lever synchronizer, conventional synchronizer is realized when hanging top gear
Function, realize the function of lever synchronizer when hanging and reversing gear, avoid to put into gear when reversing gear no synchronizer and play tooth problem and lever
Synchronizer the problem of gear shifting force is excessive when hanging top gear.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the stereochemical structure decomposing schematic representation of one synchronizer of the embodiment of the present invention.
Fig. 2 is the dimensional structure diagram of the stent of one synchronizer of the embodiment of the present invention.
Fig. 3 is that the stent of one synchronizer of the embodiment of the present invention is installed to the partial structural diagram of tooth hub.
Fig. 4 is the assembling structure schematic diagram of the tooth hub and tooth set of one synchronizer of the embodiment of the present invention.
Fig. 5-8 is the working state schematic representation of one synchronizer of the embodiment of the present invention, and wherein Fig. 5 is synchronizer when hanging top gear
Working state schematic representation, Fig. 6-8 is the different working condition schematic diagram for hanging synchronizer when reversing gear.
Embodiment
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, such as " on ", " under ", "front", "rear", "left", "right", " interior ", " outer ", " top
Portion ", " bottom ", " side " etc., are only the direction or position of refer to the attached drawing.Therefore, the direction and position term used be to
Illustrate and understand the present invention, rather than limiting the scope of the invention.
Refer to shown in Fig. 1, Fig. 2, the embodiment of the present invention one provides a kind of synchronizer, including：
Tooth hub 3, with the circumferential outer edge 30 along tooth hub 3 successively spaced multiple annular grooves 31,32 and of multiple slide block slots
Multiple bracket grooves 35；
Tooth set 4 that is coaxial and being slidably mounted on tooth hub 3, the circumferential inner surface of tooth set 4 are equipped with spline 40；
Multiple sliding blocks 2 in multiple slide block slots 32 of tooth hub 3 correspondingly；
The synchronous ring 1 being coaxially mounted in multiple annular grooves 31 of tooth hub 3, synchronous ring 1 have towards the multipair of the protrusion of tooth hub 3
Convex block 11；
Multiple stents 5 in multiple bracket grooves 35 of tooth hub 3 correspondingly, stent 5 is including pedestal 50 and certainly
The boss 52 of the protrusion extension of pedestal 50, pedestal 50 are equipped with 52 joint of boss, 50 surface of protrusion pedestal and are pressed against each other with bracket groove 35
Raised line 51,50 both ends of pedestal form the leg 53 with arcing outer edges, and the multipair convex block 11 of synchronous ring 1 inserts one by one in couples respectively
Enter into multiple bracket grooves 35, and a pair of of the convex block 11 being inserted into same bracket groove 35 respectively with installed in corresponding stent
Two legs 53 of a stent 5 in groove 35 form clearance fit, offset in radial direction convex platform 52 and the spline 40 of synchronizer
Connect.
Specifically, stent 5 is substantially in convex shape, and raised line 51 is pressed against each other with bracket groove 35, plays the role of levers support point,
Such as when boss 52 is subject to the power consistent with 51 protrusion direction of raised line, stent 5 can be rotated around raised line 51.Raised line 51 is along pedestal
50 length direction is set, and the cross section of raised line 51 is any of arch, rectangle, square, trapezoidal and polygon.It is convex
The both ends of the surface of bar 51 are arcwall face.It is more than 51 and two leg 53 of raised line in the radially raised line 51 of synchronizer and the distance of boss 52
Distance, so gearshift when play the role of boosting lever.Boss 52 has arc-shaped seamed edge 520.
It refer to again shown in Fig. 3, the bracket groove 35 of tooth hub 3 forms opening, stent 5 one in the circumferential outer edge 30 of tooth hub 3
One when being accordingly installed to bracket groove 35, and boss 52 accommodates in the openings, two legs, 53 end and the place branch of each stent 5
Resettlement section 351 is formed respectively between the both ends cell wall of rack slot 35.When synchronous ring 1 is assembled with tooth hub 3, a pair of of convex block 11 houses respectively
In two resettlement sections 351 formed in corresponding bracket groove 35, two with a stent 5 in same bracket groove 35
There is certain interval between leg 53 respectively, forms clearance fit.Exemplified by shown in Fig. 3, when synchronous ring 1 rotates counterclockwise, position
Convex block 11 in the right side of stent 5 compresses the leg 53 on the right side of stent 5, and since leg 53 has arcing outer edges, thus stress is lifted
Rise, rotate equivalent to leg 53 of the stent 5 around left side, diametrically the right side of boss 52 will raise.
Incorporated by reference to shown in Fig. 1 and Fig. 4, tooth set 4 is assembled with tooth hub 3 by spline, and can be slided with respect to tooth hub 3, wherein tooth
3 circumferential outer surface of hub is equipped with external splines, and tooth covers 4 circumferential inner surfaces and is equipped with internal spline.After tooth hub 3 completes assembling with tooth set 4, peace
Sliding block 2 and stent 5 on tooth hub 3 cover 4 circumferential inner surfaces with tooth and connect.
The improvement of the present embodiment synchronizer is, increases multiple stents 5 in existing synchronizer structure（Preferably 3, branch
Rack slot 35 is also 3, and 3 stents correspond in 3 bracket grooves 35 and spaced set）, realize when extension reverses gear,
Reduction of speed braking is carried out to the axis where reverse gear, synchronizer when being linked into easy to what is reversed gear, while not influencing to hang top gear again
Use.Illustrated below in conjunction with the operation principle of the synchronizer of Fig. 5-8 pairs of the present embodiment.
It refer to shown in Fig. 5, hang top gear（Five gears）When, tooth set 4 slides to the right, promotes sliding block 2 also to slide to the right, sliding block
After 2 promote synchronous ring 1 to complete presynchronization again, tooth set 4 is linked into top gear, and at this time, the spline 40 of 5 corresponding tooth of stent set 4 is not
Work, the synchronizer of the present embodiment inertia lock ring type synchronized traditional equivalent to one.
Again referring concurrently to shown in Fig. 6, Fig. 7, when extension reverses gear, tooth set 4 slides to the left, and the spline 40 opposite with stent 5 pushes away
Boss 52 on dynamic stent 5 is to left movement, and the arc seamed edge 520 that boss 52 has is easy to boss 52 on the inclined-plane 41 of spline 40
Upper slip.Since the raised line 51 on stent 5 is pressed on tooth hub 3, two legs 53 for causing stent 5 to left movement of boss 52
Overturn to the right, promote synchronous ring 1 to move right the cone of friction with back gear（It is not shown）Contact.Due to the presence of speed difference
Producing moment of friction rotates synchronous ring 1, and the convex block 11 of synchronous ring 1 jacks up one of leg 53 of stent 5 to come, and makes stent
40 locking of spline of 5 boss 52 and tooth set 4, tooth set 4 cannot continue toward direction movement of reversing gear.Specifically, spline 40
Boss 52 is pressed between inclined-plane 41 and the bracket groove 35 of tooth hub 3 by inclined-plane 41 so that synchronization ring 1 and cone of friction when extension reverses gear
Speed difference disappearance front boss 52 is locked between inclined-plane 41 and the bracket groove 35 of tooth hub 3.Until synchronous ring 1 and cone of friction speed
After degree difference disappears, tooth set 4 just crosses boss 52, continues to reverse gear direction movement by extension（As shown in Figure 8）, exist at this time with cone of friction
Reverse gear rotating speed on same axis, which is fallen below, is easily linked into the rotating speed to reverse gear（0 or extremely slow rotating speed）.
From the foregoing, it will be observed that the present embodiment hardly increase installation space on the basis of, by the improvement to existing synchronizer
Design, increase set stent, make it have conventional synchronizer and the function of lever synchronizer, realize that tradition is same when hanging top gear
Walk the function of device, the function of lever synchronizer realized when hanging and reversing gear, avoid put into gear when reversing gear no synchronizer beat tooth problem and
Lever synchronizer the problem of gear shifting force is excessive when hanging top gear.
Corresponding to the synchronizer of the embodiment of the present invention one, the embodiment of the present invention two provides a kind of automobile, has the present invention in fact
The synchronizer described in example one is applied, the structure and working principle of the synchronizer refers to the explanation of the embodiment of the present invention one, herein also
Repeat no more.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
Enclose, therefore equivalent variations made according to the claims of the present invention, it is still within the scope of the present invention.
Claims (9)
- A kind of 1. synchronizer, it is characterised in that including：Tooth hub（3）, have along the tooth hub（3）Circumferential outer edge（30）Spaced multiple annular grooves successively（31）, multiple cunnings Block groove（32）With multiple bracket grooves（35）；It is coaxial and be slidably mounted in the tooth hub（3）On tooth set（4）, the tooth set（4）Circumferential inner surface be equipped with flower Keyway（40）；The tooth hub is installed on correspondingly（3）Multiple slide block slots（32）In multiple sliding blocks（2）；It is coaxially mounted at the tooth hub（3）Multiple annular grooves（31）In synchronous ring（1）, the synchronization ring（1）With towards institute State tooth hub（3）The multipair convex block of protrusion（11）；The tooth hub is installed on correspondingly（3）Multiple bracket grooves（35）In multiple stents（5）, the stent（5）Bag Include pedestal（50）With from the pedestal（50）Protrude the boss of extension（52）, the pedestal（50）With the boss（52）Joint Protrude the pedestal（50）Surface is equipped with and the bracket groove（35）The raised line being pressed against each other（51）, the pedestal（50）Both ends are formed Leg with arcing outer edges（53）, the synchronization ring（1）Multipair convex block（11）It is inserted into one by one in couples respectively the multiple Bracket groove（35）In, and it is inserted into same bracket groove（35）In a pair of of convex block（11）Respectively with installed in corresponding bracket groove （35）In a stent（5）Two legs（53）Clearance fit is formed, in the radially described boss of the synchronizer（52） With the spline（40）Abut against；In the radially described raised line of the synchronizer（51）With boss（52）Distance be more than the raised line（51）With described two Leg（53）Distance.
- 2. synchronizer according to claim 1, it is characterised in that the spline（40）Including an inclined-plane（41）, it is described Stent（5）Around the raised line（51）During rotation, the inclined-plane（41）So that hang synchronous ring when reversing gear（1）With cone of friction speed The boss before degree difference disappears（52）It is locked in the inclined-plane（41）With the tooth hub（3）Bracket groove（35）Between.
- 3. synchronizer according to claim 1, it is characterised in that the bracket groove（35）In the tooth hub（3）Circumference Outer rim（30）It is upper to form opening, the stent（5）It is installed to the bracket groove（35）When, the boss（52）It is contained in described open In mouthful, two leg（53）End and the bracket groove（35）Resettlement section is formed respectively between the cell wall of both ends（351）.
- 4. synchronizer according to claim 3, it is characterised in that the synchronization ring（1）A pair of of convex block（11）Receive respectively Hold in corresponding bracket groove（35）Two resettlement sections of interior formation（351）In.
- 5. synchronizer according to claim 1, it is characterised in that the raised line（51）Cross section for arch, rectangle, Any of square, trapezoidal and polygon.
- 6. synchronizer according to claim 1, it is characterised in that the raised line（51）Both ends of the surface be arcwall face.
- 7. synchronizer according to claim 1, it is characterised in that the boss（52）With arc-shaped seamed edge（520）.
- 8. synchronizer according to claim 1, it is characterised in that the stent（5）For 3, the bracket groove（35） For 3,3 stents（5）One-to-one corresponding is installed on 3 bracket grooves（35）In and spaced set.
- 9. a kind of automobile, it is characterised in that including such as claim 1-8 any one of them synchronizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065963.XA CN104863987B (en) | 2014-02-26 | 2014-02-26 | A kind of synchronizer and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065963.XA CN104863987B (en) | 2014-02-26 | 2014-02-26 | A kind of synchronizer and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104863987A CN104863987A (en) | 2015-08-26 |
| CN104863987B true CN104863987B (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410065963.XA Active CN104863987B (en) | 2014-02-26 | 2014-02-26 | A kind of synchronizer and automobile |
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| CN (1) | CN104863987B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345543B (en) * | 2016-05-04 | 2021-01-22 | 舍弗勒技术股份两合公司 | Synchronizer sliding block and synchronizer |
| CN107091282B (en) * | 2017-06-15 | 2023-05-12 | 浙江万里扬智能制造有限公司 | Loose-piece type synchronizing ring and synchronizer |
| DE102017007891B4 (en) * | 2017-08-19 | 2020-07-23 | Diehl Metall Stiftung & Co. Kg | Synchronizer ring for a synchronization unit of a manual transmission and method for its production |
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|---|---|---|---|---|
| JPH0526257A (en) * | 1991-07-17 | 1993-02-02 | Nissan Motor Co Ltd | Synchronous engaging device for manual transmission |
| JP2004044648A (en) * | 2002-07-10 | 2004-02-12 | Toyota Motor Corp | Transmission |
| JP2005113975A (en) * | 2003-10-06 | 2005-04-28 | Kyowa Metal Work Co Ltd | Synchronizing device for transmission |
| CN102032287A (en) * | 2009-10-05 | 2011-04-27 | 协和合金株式会社 | Synchronizer used for speed change mechanism |
| CN103244574A (en) * | 2012-02-13 | 2013-08-14 | 协和合金株式会社 | Synchronizer for shift device |
| CN203248560U (en) * | 2013-04-18 | 2013-10-23 | 柳州上汽汽车变速器有限公司 | Automobile synchronization regulator |
| CN203730603U (en) * | 2014-02-26 | 2014-07-23 | 广州汽车集团股份有限公司 | Synchronizer and vehicle |
-
2014
- 2014-02-26 CN CN201410065963.XA patent/CN104863987B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526257A (en) * | 1991-07-17 | 1993-02-02 | Nissan Motor Co Ltd | Synchronous engaging device for manual transmission |
| JP2004044648A (en) * | 2002-07-10 | 2004-02-12 | Toyota Motor Corp | Transmission |
| JP2005113975A (en) * | 2003-10-06 | 2005-04-28 | Kyowa Metal Work Co Ltd | Synchronizing device for transmission |
| CN102032287A (en) * | 2009-10-05 | 2011-04-27 | 协和合金株式会社 | Synchronizer used for speed change mechanism |
| CN103244574A (en) * | 2012-02-13 | 2013-08-14 | 协和合金株式会社 | Synchronizer for shift device |
| CN203248560U (en) * | 2013-04-18 | 2013-10-23 | 柳州上汽汽车变速器有限公司 | Automobile synchronization regulator |
| CN203730603U (en) * | 2014-02-26 | 2014-07-23 | 广州汽车集团股份有限公司 | Synchronizer and vehicle |
Also Published As
| Publication number | Publication date |
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| CN104863987A (en) | 2015-08-26 |
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