CN107237842A - The anti-off-gear high speed synchroniser of automobile - Google Patents
The anti-off-gear high speed synchroniser of automobile Download PDFInfo
- Publication number
- CN107237842A CN107237842A CN201710509781.0A CN201710509781A CN107237842A CN 107237842 A CN107237842 A CN 107237842A CN 201710509781 A CN201710509781 A CN 201710509781A CN 107237842 A CN107237842 A CN 107237842A
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- CN
- China
- Prior art keywords
- self
- locking hole
- gear
- locking
- synchronizer
- Prior art date
- 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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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
-
- 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
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3408—Locking or disabling mechanisms the locking mechanism being moved by the final actuating mechanism
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a kind of anti-off-gear high speed synchroniser of automobile, it is related to field of automobile；Including synchronizer gear sleeve and synchromesh gear hub, spline housing is provided between synchronizer gear sleeve and synchromesh gear hub, spline housing is coordinated by groove and projection with synchronizer gear sleeve, synchromesh gear hub respectively, and the self-locking hole and self-locking steel ball by being located on above-mentioned part carry out locking, complete synchronizer and combine and two processes of synchronizer locking.The problem of present invention can solve current automobile easily off-gear occurs for synchronizer when running at high speed or by bumpy sections.
Description
Technical field
The present invention relates to field of automobile, especially a kind of anti-off-gear synchronizer of automobile.
Background technology
With the fast development of market automobile market, the continuous release of SUV or huge discharge vehicle, conventional transmissions are being turned round greatly
When being run at high speed under conditions of square or crossing bumpy sections, easily occurs off-gear failure, particularly in situation about running at high speed
Move back gear and easily cause vehicle safety failure；Current Partial synchronization device also has anti-off-gear structure, such as a kind of manual transmission of patent
Anti- off-gear self-locking device and synchronizer（201420063643.6）A compressible steel ball just is provided with the end face of synchronizer gear sleeve,
Prevent synchronizer gear sleeve from deviating from, if but in synchronizer gear sleeve in the case of the axial impact larger by gear, synchronizer
Tooth cover as limited elastic force and abjection can not be pinned；Likewise, a kind of anti-off-gear toothholder synchronizer of another patent
(CN201410142135.1) it can prevent tooth from covering off-gear by the component of back draught under normal circumstances, but jolt and slide in vehicle
Or still suffer from de- risk in the case of tooth set taper abrasion.
The content of the invention
It is an object of the invention to provide a kind of anti-off-gear high speed synchroniser of automobile, it can solve current automobile at a high speed
The problem of travelling or easily occur off-gear by synchronizer during bumpy sections.
In order to solve the above problems, the technical solution adopted by the present invention is：Including synchronizer gear sleeve and synchromesh gear hub, institute
The inner ring for stating synchronizer gear sleeve is provided with axially arranged first groove and the first self-locking hole of more than two；The synchronizer gear sleeve
Spline housing is provided between the synchromesh gear hub, the inner ring of the spline housing is provided with ring gear and is laid with axial second
Groove, the outer ring of the spline housing is provided with first boss corresponding with first groove location, with the first self-locking hole position
Put in corresponding second self-locking hole, first self-locking hole and second self-locking hole and be provided with the first self-locking steel ball；The synchronization
The outer ring of device tooth hub is provided with external tooth corresponding with the ring gear and is evenly equipped with the 3rd groove of more than two, the 3rd groove
The interior movable slider provided with radial direction, it is convex that the outer ring of the synchromesh gear hub is additionally provided with corresponding with second groove location second
Platform, the second boss, which is provided with the 3rd self-locking hole, the 3rd self-locking hole, is provided with the second self-locking steel ball and self-locking spring；It is described
The diameter of first self-locking hole, second self-locking hole and the 3rd self-locking hole is equal.
In above technical scheme, further scheme can be：3rd self-locking hole is located at the synchromesh gear hub
The centre position of outer ring, the 3rd self-locking hole is blind hole；Second self-locking hole is located in second groove and is through hole；
First self-locking hole is hemispherical blind hole；The diameter of first self-locking steel ball and the second self-locking steel ball is equal.
Further：The movable slider has sliding block spring.
Further：The both sides of the synchronizer gear sleeve are provided with rib.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：
1st, the present invention increases spline housing between synchronizer gear sleeve and synchromesh gear hub, and successively in synchronizer gear sleeve, spline housing
Groove and corresponding boss are set with synchromesh gear hub, above-mentioned part is slid axially, while respectively in synchronizer gear sleeve, flower
Key covers and self-locking hole and self-locking steel ball, spring etc. is set on synchromesh gear hub, realizes the anti-anti-avulsion when automobile is in high speed gear
Gear；
2nd, shift process is divided into synchronizer and combined and two processes of synchronizer locking by the present invention, and synchronizer is applied in by two
Self-locking steel ball between tooth set, spline housing and synchromesh gear hub, is firmly fixed on spline housing, spline housing again by synchronizer gear sleeve
It is fixed on synchromesh gear hub, makes spline housing can not occur to move axially and off-gear；
3rd, manufacturing cost of the present invention is cheap, simple in construction, can popularize and use on the synchronizer of manually and automatically speed changer.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the present invention.
Fig. 2 is that synchronizer of the present invention is in neutral gear position schematic diagram.
Fig. 3 is position view when synchronizer of the present invention is in 5 gear.
Fig. 4 is position view after synchronizer gearshift of the present invention.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples：
The anti-off-gear high speed synchroniser of this automobile as shown in Figure 1, including synchronizer gear sleeve 1 and synchromesh gear hub 7, synchronizer tooth
The inner ring of set 1 is provided with axially arranged first groove 101 and the first self-locking hole 102 of more than two, the present embodiment, and first is recessed
Groove 101 has three, is set in 120o；Between synchronizer gear sleeve 1 and synchromesh gear hub 7 be provided with spline housing 2, spline housing 2 it is interior
Circle is provided with ring gear and is laid with the second axial groove 203, and the outer ring of spline housing 2 is provided with and the position pair of the first groove 101
The first boss 201 answered, spline housing 2, can relative synchronization device tooth 1 axle of set by the cooperation of the groove 101 of first boss 201 and first
To movement；The outer ring of spline housing 2 is additionally provided with second self-locking hole 202 corresponding with the position of the first self-locking hole 102, the second self-locking hole
702 are located in the second groove 203, and the first self-locking hole 101 is equal with the diameter of the second self-locking hole 202；Synchronizer gear sleeve 1 is moved to the left
During to certain position, the first self-locking hole 101 is overlapped with the position of the second self-locking hole 202；First self-locking hole 102 and the second self-locking hole
The first self-locking steel ball 3 is provided with 202, wherein the first self-locking hole 101 is hemispheric blind hole, the radius of hemispherical blind hole and first
The radius of self-locking hole 3 is equal；Second self-locking hole 202 is through hole, and the diameter of through hole is slightly larger than the diameter of the first self-locking steel ball 3；Together
The outer ring of step device tooth hub 7 is provided with external tooth corresponding with the ring gear of spline housing 2 and is evenly equipped with the 3rd groove 703 of more than two,
In the present embodiment, the 3rd groove 703 is three, is set in 120o；The movable slider 6 of radial direction, activity are provided with 3rd groove 703
Sliding block 6 has sliding block spring；The outer ring of synchromesh gear hub 7 is additionally provided with second boss corresponding with the position of the second groove 203
701, second boss 701 is provided with the 3rd self-locking hole 702, the 3rd self-locking hole 702 and is provided with the second self-locking steel ball 4 and self-locking spring 5,
3rd self-locking hole 702 is located at the centre position of the outer ring of synchromesh gear hub 7 and is blind hole, and the diameter of the blind hole is slightly larger than the second self-locking
The diameter of steel ball 4；The diameter of first self-locking hole 102, the second self-locking hole 202 and the 3rd self-locking hole 702 is equal, and in position
Form the axis coinciding in three holes；The both sides of synchronizer gear sleeve 1 are provided with rib 103.
Operation principle of the present invention is as follows：This patent is that the shift process of automobile is divided into synchronizer to combine and synchronizer locking
Two processes, wherein entering a grade process：When automobile is in low-grade location, high speed synchroniser is located at neutral gear position as shown in Figure 2, now together
Step device tooth set 1, spline housing 2 and synchromesh gear hub 7 are substantially flush, the first self-locking steel ball 3 be located at the first self-locking hole 102 and second from
Between lockhole 202, synchronizer gear sleeve 1 and spline housing 2 are connected as one by the first self-locking steel ball 3, so the He of synchronizer gear sleeve 1
Spline housing 2 relative can not be slided；The compression of self-locking spring 5 is placed in the 3rd self-locking hole 702 by the second self-locking steel ball 4, and withstands on flower
The inner side of key set 2；When automobile is linked into 5 grades, gearshift fork（It is not drawn into）Synchronizer gear sleeve 1 is driven to slide to the left, in self-locking steel
In the presence of ball 3, synchronizer gear sleeve 1 drives self-locking steel ball 3 and synchronizer gear sleeve 1 to slide axially, when the first self-locking steel ball 3 is slided
During to the second self-locking 4 top of steel ball, the spline of spline housing 2 is combined in place with high gear conjunction gear, and speed changer completes five grades and changed
Gear process；Gearshift fork is continued to move in the presence of shift handle, and synchronizer gear sleeve 1 is in the presence of gearshift fork
Continue to be moved to the left, because spline housing 2 is combined in place with five grades of conjunction gears, it is impossible to axially continue to move to, the first self-locking steel
Ball 3 departs from the first self-locking hole 102, is pressed completely into the second self-locking hole 202 and part is pressed into the 3rd self-locking hole 702, second certainly
Lock steel ball 4 is then crushed on the lower section of the first self-locking steel ball 3, until gearshift fork is axially moved to after fixed gearshift stroke,
As shown in figure 4, because the first self-locking steel ball 3 is located between spline housing 2 and synchromesh gear hub 7, therefore, by spline housing 2 and synchronously
Device tooth hub 7 is locked, completes synchronizer locking process；Because in vehicle traveling process, the spline inside spline housing 2 plays transmission
The main function of moment of torsion, easy stress and it is out of supply, and at this moment under the lock condition of synchronizer, even if spline housing 2 is by larger
Axial force will not also move axially and cause the generation of failure out of supply.
Move back a grade process：Gearshift fork drives synchronizer gear sleeve 1 axially to the right, when the of the inner side of synchronizer gear sleeve 1
When one self-locking hole 102 is moved to the second 202 surface of self-locking hole of spline housing 2, the first self-locking steel ball 3 and the second self-locking steel ball 4
Upspring and headed into the first self-locking hole 102 on synchronizer gear sleeve 1 by self-locking spring 5, as shown in figure 3, now spline housing 2 and synchronization
Device tooth hub 7 unlocks；Gearshift fork continues to drive synchronizer gear sleeve 1 axially to the right, in the rib of synchronizer gear sleeve 1
Under 103 promotion, spline housing 2 moves right until the spline and the conjunction gear of high gear in spline housing 2 are kept completely separate, and completes
Move back a grade process.
Claims (4)
1. a kind of anti-off-gear high speed synchroniser of automobile, including synchronizer gear sleeve and synchromesh gear hub, it is characterised in that：The synchronization
The inner ring of device tooth set is provided with axially arranged first groove and the first self-locking hole of more than two；The synchronizer gear sleeve and described
Spline housing is provided between synchromesh gear hub, the inner ring of the spline housing is provided with ring gear and is laid with the second axial groove,
The outer ring of the spline housing provided with first boss corresponding with first groove location and with the first self-locking hole site phase
The first self-locking steel ball is provided with the second self-locking hole answered, first self-locking hole and second self-locking hole；The synchronizer tooth
The outer ring of hub is provided with external tooth corresponding with the ring gear and is evenly equipped with the 3rd groove of more than two, the 3rd groove and sets
There is the movable slider of radial direction, the outer ring of the synchromesh gear hub is additionally provided with second boss corresponding with second groove location,
The second boss, which is provided with the 3rd self-locking hole, the 3rd self-locking hole, is provided with the second self-locking steel ball and self-locking spring；Described
The diameter of one self-locking hole, second self-locking hole and the 3rd self-locking hole is equal.
2. the anti-off-gear high speed synchroniser of automobile according to claim 1, it is characterised in that：3rd self-locking hole is located at institute
The centre position of synchromesh gear hub outer ring is stated, the 3rd self-locking hole is blind hole；It is recessed that second self-locking hole is located at described second
Groove is interior and is through hole；First self-locking hole is hemispherical blind hole；The diameter of first self-locking steel ball and the second self-locking steel ball is equal.
3. the anti-off-gear high speed synchroniser of automobile according to claim 1 or 2, it is characterised in that：The movable slider is divided into
There is sliding block spring.
4. the anti-off-gear high speed synchroniser of automobile according to claim 3, it is characterised in that：The both sides of the synchronizer gear sleeve
It is provided with rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509781.0A CN107237842B (en) | 2017-06-28 | 2017-06-28 | Anti-gear-off high-speed synchronizer for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509781.0A CN107237842B (en) | 2017-06-28 | 2017-06-28 | Anti-gear-off high-speed synchronizer for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237842A true CN107237842A (en) | 2017-10-10 |
| CN107237842B CN107237842B (en) | 2023-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710509781.0A Active CN107237842B (en) | 2017-06-28 | 2017-06-28 | Anti-gear-off high-speed synchronizer for automobile |
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Citations (24)
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|---|---|---|---|---|
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| GB1531770A (en) * | 1975-12-23 | 1978-11-08 | Ifa Getriebewerke Brandenburg | Syncromesh gear assemblies |
| GB2101698A (en) * | 1982-06-25 | 1983-01-19 | Zahnradfabrik Friedrichshafen | Synchronizer for positive clutches |
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| CN203770619U (en) * | 2014-02-12 | 2014-08-13 | 上海通用汽车有限公司 | Anti-trip stop self-locking device and synchronizer of manual transmission |
| CN104728293A (en) * | 2013-12-24 | 2015-06-24 | 大连浦州航空科技有限公司 | Three-position lock-ring inertial synchronizer of amphibian vehicle |
| CN204420091U (en) * | 2014-12-10 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | A kind of mechanical type major-minor case mutual interlocking gear |
| CN205078758U (en) * | 2015-10-29 | 2016-03-09 | 长城汽车股份有限公司 | Derailleur shift auto -lock structure, derailleur operating mechanism and car |
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2017
- 2017-06-28 CN CN201710509781.0A patent/CN107237842B/en active Active
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| US5022506A (en) * | 1988-12-30 | 1991-06-11 | Automobiles Peugeot | Double synchronizer having integrated axial locking means |
| JPH0849732A (en) * | 1994-08-08 | 1996-02-20 | Toyota Motor Corp | Synchronizer for transmission |
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| Publication number | Publication date |
|---|---|
| CN107237842B (en) | 2023-02-14 |
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