CN108194532A - Blind slot formula synchronizing device - Google Patents
Blind slot formula synchronizing device Download PDFInfo
- Publication number
- CN108194532A CN108194532A CN201810258658.0A CN201810258658A CN108194532A CN 108194532 A CN108194532 A CN 108194532A CN 201810258658 A CN201810258658 A CN 201810258658A CN 108194532 A CN108194532 A CN 108194532A
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- China
- Prior art keywords
- face
- slot
- ring
- synchronous ring
- decylization
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 99
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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
- F16D23/025—Synchro rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention provides a kind of blind slot formula synchronizing device, it includes synchronous ring, taper ring gear, tooth hub and is engaged with tooth hub and be placed on its external tooth set, tooth hub slot is provided on the tooth hub outer wall, pushing block is slidably equipped in the tooth hub slot, holding tank is provided in the inner wall of tooth set, the pushing block is stuck in the tooth by holding tank and covers in inner wall；The synchronous ring includes synchronous ring front end face and synchronous ring rear end face, the synchronous ring front end face diameter is less than the diameter of the synchronous ring rear end face, the synchronous ring front end face is abutted with the one side of the pushing block, front end face decylization slot is offered along the synchronous ring front end face, rear end face decylization slot is offered along the synchronous ring rear end face, the front end face decylization slot is each provided at rear end face decylization slot on the internal ring wall of synchronous ring.The invention friction structure under the premise of synchronizing device performance is not influenced can be reduced by 4 parts to 2 parts, and part dosage is few, and manufacture is at low cost, and then low-carbon environment-friendly.
Description
Technical field
The invention belongs to automobile synchronizer field, more particularly, to a kind of blind slot formula synchronizing device.
Background technology
As automobile industry develops rapidly, as part-synchronizer of core in gearbox, the height of overall performance,
The overall performance of gearbox is directly affected, for the call of response national energy-saving drop row, the light-weighted design of parts assembly is big
Gesture is become, and urgent need is simple in structure, manufactures low-cost product.
Invention content
In view of this, the invention is directed to a kind of blind slot formula synchronizing device, how same using single conical surface to solve
Walk the function that device structure realizes multi-cone synchronizer.
In order to achieve the above objectives, the technical solution of the invention is realized in：
Blind slot formula synchronizing device engage including synchronous ring, taper ring gear, tooth hub and with tooth hub and is placed on outside it
Tooth set is provided with tooth hub slot on the tooth hub outer wall, and pushing block is slidably equipped in the tooth hub slot, is provided in the inner wall of tooth set
Holding tank, the pushing block are stuck in the tooth by holding tank and cover in inner wall；
The synchronous ring includes synchronous ring front end face and synchronous ring rear end face, and the synchronous ring front end face diameter is less than described
The diameter of synchronous ring rear end face, the synchronous ring front end face is abutted with the one side of the pushing block, along the synchronous ring front end
Face offers front end face decylization slot, and rear end face decylization slot, the front end face decylization slot are offered along the synchronous ring rear end face
It is each provided on the internal ring wall of synchronous ring with rear end face decylization slot；
The external annulus of the synchronous ring is equipped with synchronous ring convex and rises, and is provided on the tooth hub same with synchronous ring male cooperation
Walk slot；
The taper ring gear is included in the conical ring key set up on the end face of the taper ring gear, the conical ring key it is outer
The conical surface is set up with the internal ring wall cooperation of synchronous ring, and the outer diameter of the conical ring key with the position with synchronous ring from gradually increasing
Add.
Further, the frustoconical bevel angle of the external annulus of the conical ring key is 2 ° -7 °.
Further, the front end face decylization slot is staggeredly opened on the synchronous ring with the rear end face decylization slot.
Further, the front end face decylization slot connects the internal ring wall of synchronous ring with synchronous ring external annulus；The rear end
Emaciated face annular groove connects the internal ring wall of synchronous ring with synchronous ring external annulus.
Further, the external annulus of the synchronous ring includes synchronous ring receiving wall and synchronous ring limited wall, the synchronous ring
The diameter for accommodating wall is less than synchronous ring limited wall, and the synchronous ring accommodates the outer wall that wall is the synchronous ring front end face, described same
The outer wall that ring limited wall is the synchronous ring rear end face is walked, the synchronous ring convex, which rise, to be set on the synchronous ring receiving wall.
Further, the groove width of the front end face decylization slot and rear end face decylization slot is 0.5~4mm.
Further, the groove depth of the front end face decylization slot and rear end face decylization slot is 2~8mm.
Further, the location hole for blind hole is provided on the slot bottom of two tooth hub slots, bullet is equipped in the location hole
Spring, and one end of the spring is connect with the pushing block.
Further, the location hole for blind hole is provided on the slot bottom of two tooth hub slots, bullet is equipped in the location hole
Spring, the present apparatus further include locating piece, and the pushing block is built up in by locating piece and spring in the tooth hub slot.
Further, the pushing block is slidably matched with the tooth hub slot.
Further, it is provided with the promotion slot coordinated with pushing block on the synchronous ring front end face.
Further, the inner wall of the tooth set is equipped with spline and axial holding tank, the cone is provided on the spline
The outer wall of shape ring gear is equipped with the spline engaged with the inner wall that tooth covers.
Relative to the prior art, the blind slot formula synchronizing device described in the invention has the advantage that：
(1) the invention friction structure under the premise of synchronizing device performance is not influenced can be reduced by 4 parts to 2
Part, part dosage is few, and manufacture is at low cost, and then low-carbon environment-friendly.
(2) the invention is analyzed from the angle of function, and frictional behaviour is not reduced (relative to double taper synchronizer),
Increase instead.
(3) the invention is due to the reduction of synchronizing device part, weight reduction, realization lightweight, and then vehicle energy consumption meeting
It reduces.
(4) the invention synchronizing device design structure is compacter, has and is reduced to 2 parts with 4 parts, saves
The axial design space of synchronizer, so as to reduce the axial design space of gearbox.
(5) the invention synchronizing device is versatile, can use in multiple spatial designs.
(6) the frustoconical bevel angle smaller of the invention, therefore increase moment of friction, while in order to avoid synchronous ring and taper
Self-locking occurs between ring gear, so increasing the structure of front end face decylization slot and rear end face decylization slot again, and then improves decylization
Probability reduces other function hidden danger brought due to performance boost.
Description of the drawings
The attached drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The illustrative embodiments and their description made do not form the improper restriction to the invention for explaining the invention.
In attached drawing：
Fig. 1 is the blind slot formula synchronizing device overall structure diagram described in the invention embodiment.
Reference sign：
1- tooth sets；11- holding tanks；2- tooth hubs；21- tooth hub slots；3- synchronizes ring；31- synchronizes the internal ring wall of ring；32- is synchronized
Ring front end face；321- front end face decylization slots；33- synchronizes ring rear end face；331- rear end face decylization slots；34- synchronizes ring convex and rises；35-
Push slot；4- taper ring gears；41- conical ring keys；5- pushing blocks；6- locating pieces；7- springs.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the invention can
To be combined with each other.
In the description of the invention, it is to be understood that the orientation of the instructions such as term "front", "rear", " interior ", " outer "
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the invention and simplification is retouched
It states rather than indicates or imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that limitation to the invention.In the description of the invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments creates.
As shown in Figure 1, blind slot formula synchronizing device, engage including synchronous ring 3, taper ring gear 4, tooth hub 2 and with tooth hub 2
And its external tooth set 1 is placed on, tooth hub slot 21 is provided on 2 outer wall of tooth hub, pushing block is slidably equipped in the tooth hub slot 21
5, holding tank 11 is provided in the inner wall of tooth set 1, the pushing block 5 is stuck in the tooth by holding tank 11 and covers in 1 inner wall；And have
The connection structure of body can be with selected as：The location hole for blind hole, the location hole are provided on the slot bottom of two tooth hub slots 21
Interior to be equipped with spring 7, the present apparatus further includes locating piece 6, and the pushing block 5 is built up in the tooth hub slot 21 by locating piece 6 and spring 7
It is interior, and the pushing block 5 is slidably matched with the tooth hub slot 21.
And the holding tank 11 opened up on tooth set 1 can select to be provided with axial direction on the spline that the inner wall in tooth set 1 is equipped with
Holding tank 11, the outer wall of the taper ring gear 4 is equipped with the spline engaged with the inner wall of tooth set 1.
The synchronous ring 3 includes synchronous ring front end face 32 and synchronous ring rear end face 33, synchronous 32 diameter of ring front end face
Less than the diameter of the synchronous ring rear end face 33, the synchronous ring front end face 32 is abutted with the one side of the pushing block 5, along institute
It states synchronous ring front end face 32 and offers front end face decylization slot 321, rear end face decylization is offered along the synchronous ring rear end face 33
Slot 331, the front end face decylization slot 321 are each provided at rear end face decylization slot 332 on the internal ring wall 31 of synchronous ring, and in order to more preferable
Decylization probability is improved, the front end face decylization slot 321 is staggeredly opened on the synchronous ring 3 with the rear end face decylization slot 331,
The front end face decylization slot 321 connects the internal ring wall 31 of synchronous ring with synchronous ring external annulus；The rear end face decylization slot 331 will
The internal ring wall 31 of synchronous ring is connected with synchronous ring external annulus.
The front end face decylization slot 321 and the rear end face decylization slot 331 are blind slot.
The promotion slot 35 coordinated with pushing block 5 is provided on the synchronous ring front end face 32.
The external annulus of the synchronous ring 3 is equipped with synchronous ring convex and plays 34, is provided on the tooth hub 2 and matches with synchronous ring convex 34
The synchronization slot of conjunction；The external annulus of the synchronous ring 3 includes synchronous ring and accommodates wall and synchronous ring limited wall, and the synchronous ring accommodates wall
Diameter be less than synchronous ring limited wall, the synchronous ring accommodates the outer wall that wall is the synchronous ring front end face 32, the synchronous ring
Limited wall is the outer wall of the synchronous ring rear end face 33, and the synchronous ring convex play 34 and are set on the synchronous ring receiving wall.
And the groove width of the front end face decylization slot 32 and rear end face decylization slot 33 can be with 0.5~4mm of selected as, the front end
The groove depth of emaciated face annular groove 32 and rear end face decylization slot 33 is 2~8mm
The taper ring gear 4 is included in the conical ring key 41 set up on the end face of the taper ring gear 4, the conical ring key
The cooperation of internal ring wall 31 of 41 male cone (strobilus masculinus) and synchronous ring is set up, the outer diameter of the conical ring key 41 from with synchronous ring 3
Position gradually increases, and in order to improve the performance of whole device, the frustoconical bevel angle of the external annulus of the conical ring key 41 for 2 °-
7 °, best frustoconical bevel angle is 2 ° 30 '~4 ° 30 '.
The operation principle of the present embodiment：
Tooth set 1 stirs generation axial movement by transmission selector fork, since structure design then pushes pushing block 5 to open together
Beginning movement, then pushing block 5 pushes synchronous ring 3, and the internal ring wall and conical ring key of synchronous ring 3, which are sent, rubs and generate moment of friction,
The taper ring gear 4 of the synchronizing device made and the synchronization ring 3 of output terminal, tooth hub 2, the rotating speed of tooth set 1 are identical, tooth set 1 smoothly with cone
The spline of shape ring gear 4 is combined, and then realizes entire shift process；
When returning shelves, tooth set 1 is disengaged with 4 spline of taper ring gear, so that the tooth hub 2 of output terminal drives synchronous 3 turns of ring
It is dynamic, front end face decylization slot and rear end face decylization slot structure release stress, the synchronization ring 3 made and taper ring gear 4 in synchronous ring 3
Inner conical surface disengages, and smoothly disengages synchronous ring 3 with taper ring gear 42 ° 30 ' of angle, realizes that synchronizing device returns shelves mistake
Journey.
Experimental Comparison data intuitively illustrate moment of friction of the moment of friction already close to synchronizer having three pyramidal faces of the present apparatus,
It is with obvious effects.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modification, equivalent replacement, improvement and so on should be included in the invention
Protection domain within.
Claims (10)
1. blind slot formula synchronizing device, it is characterised in that：Including synchronous ring, taper ring gear, tooth hub and engage with the tooth hub and
Its external tooth set is placed on, tooth hub slot is provided on the tooth hub outer wall, pushing block is slidably equipped in the tooth hub slot, in the tooth
The inner wall of set is provided with holding tank, and the pushing block is stuck in the tooth by holding tank and covers in inner wall；
The synchronous ring includes synchronous ring front end face and synchronous ring rear end face, and the synchronous ring front end face diameter is less than the synchronization
The diameter of ring rear end face, the synchronous ring front end face are abutted with the one side of the pushing block, are opened along the synchronous ring front end face
Equipped with front end face decylization slot, rear end face decylization slot is offered along the synchronous ring rear end face, the front end face decylization slot is with after
End face decylization slot is each provided on the internal ring wall of synchronous ring；
The external annulus of the synchronous ring is equipped with synchronous ring convex and rises, and the synchronization with synchronous ring male cooperation is provided on the tooth hub
Slot；
The taper ring gear is included in the conical ring key set up on the end face of the taper ring gear, the male cone (strobilus masculinus) of the conical ring key
It is set up with the internal ring wall cooperation of synchronous ring, the outer diameter of the conical ring key with the position with synchronous ring from gradually increasing.
2. blind slot formula synchronizing device according to claim 1, it is characterised in that：The conical surface of the external annulus of the conical ring key
Angle is 2 ° -7 °.
3. blind slot formula synchronizing device according to claim 1, it is characterised in that：The front end face decylization slot and the rear end
Emaciated face annular groove is staggeredly opened on the synchronous ring.
4. blind slot formula synchronizing device according to claim 1, it is characterised in that：The front end face decylization slot will synchronize ring
Internal ring wall is connected with synchronous ring external annulus；The rear end face decylization slot connects the internal ring wall of synchronous ring with synchronous ring external annulus.
5. blind slot formula synchronizing device according to claim 1, it is characterised in that：The front end face decylization slot and rear end emaciated face
The groove width of annular groove is 0.5~4mm.
6. blind slot formula synchronizing device according to claim 1, it is characterised in that：The front end face decylization slot and rear end emaciated face
The groove depth of annular groove is 2~8mm.
7. blind slot formula synchronizing device according to claim 1, it is characterised in that：It is provided on the slot bottom of two tooth hub slots
For the location hole of blind hole, the location hole is interior to be equipped with spring, and one end of the spring is connect with the pushing block.
8. blind slot formula synchronizing device according to claim 1, it is characterised in that：It is provided on the slot bottom of two tooth hub slots
For the location hole of blind hole, the location hole is interior to be equipped with spring, and the present apparatus further includes locating piece, and the pushing block passes through locating piece and bullet
Spring is built up in the tooth hub slot.
9. blind slot formula synchronizing device according to claim 1, it is characterised in that：The pushing block is matched with tooth hub slot slip
It closes.
10. blind slot formula synchronizing device according to claim 1, it is characterised in that：Be provided on the synchronous ring front end face with
The promotion slot of pushing block cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258658.0A CN108194532A (en) | 2018-03-27 | 2018-03-27 | Blind slot formula synchronizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258658.0A CN108194532A (en) | 2018-03-27 | 2018-03-27 | Blind slot formula synchronizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194532A true CN108194532A (en) | 2018-06-22 |
Family
ID=62596222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810258658.0A Pending CN108194532A (en) | 2018-03-27 | 2018-03-27 | Blind slot formula synchronizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194532A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122746A (en) * | 1997-07-07 | 1999-01-26 | Kyowa Gokin Kk | Synchronous device for transmission |
| KR20010003002A (en) * | 1999-06-19 | 2001-01-15 | 정몽규 | Synchronizer for Manual Transmission |
| EP1199489A1 (en) * | 2000-10-20 | 2002-04-24 | Ford Global Technologies, Inc. | Synchronized gearbox and cone ring therefore |
| JP2007327548A (en) * | 2006-06-07 | 2007-12-20 | Toyota Motor Corp | Synchronizing device and transmission equipped therewith |
| CN104747618A (en) * | 2015-04-07 | 2015-07-01 | 天津天海同步科技股份有限公司 | Light truck type boosting synchronizer |
| CN205478990U (en) * | 2016-01-18 | 2016-08-17 | 上海汽车集团股份有限公司 | Novel prevent auto -lock synchronizer ring |
| CN206299715U (en) * | 2016-12-13 | 2017-07-04 | 中国第一汽车股份有限公司 | Odd-side lock ring type synchronized assembly after a kind of novel heavy duty multi-shifting speed variator |
| CN107339336A (en) * | 2016-12-30 | 2017-11-10 | 江苏持华轴承有限公司 | Synchronous ring and bicyclic single conical surface synchronizer |
| CN208294981U (en) * | 2018-03-27 | 2018-12-28 | 天津天海同步科技有限公司 | Blind slot formula synchronizing device |
-
2018
- 2018-03-27 CN CN201810258658.0A patent/CN108194532A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122746A (en) * | 1997-07-07 | 1999-01-26 | Kyowa Gokin Kk | Synchronous device for transmission |
| KR20010003002A (en) * | 1999-06-19 | 2001-01-15 | 정몽규 | Synchronizer for Manual Transmission |
| EP1199489A1 (en) * | 2000-10-20 | 2002-04-24 | Ford Global Technologies, Inc. | Synchronized gearbox and cone ring therefore |
| JP2007327548A (en) * | 2006-06-07 | 2007-12-20 | Toyota Motor Corp | Synchronizing device and transmission equipped therewith |
| CN104747618A (en) * | 2015-04-07 | 2015-07-01 | 天津天海同步科技股份有限公司 | Light truck type boosting synchronizer |
| CN205478990U (en) * | 2016-01-18 | 2016-08-17 | 上海汽车集团股份有限公司 | Novel prevent auto -lock synchronizer ring |
| CN206299715U (en) * | 2016-12-13 | 2017-07-04 | 中国第一汽车股份有限公司 | Odd-side lock ring type synchronized assembly after a kind of novel heavy duty multi-shifting speed variator |
| CN107339336A (en) * | 2016-12-30 | 2017-11-10 | 江苏持华轴承有限公司 | Synchronous ring and bicyclic single conical surface synchronizer |
| CN208294981U (en) * | 2018-03-27 | 2018-12-28 | 天津天海同步科技有限公司 | Blind slot formula synchronizing device |
Non-Patent Citations (1)
| Title |
|---|
| 赵建柱: "拖拉机构造", 中国农业大学出版社, pages: 169 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |
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| RJ01 | Rejection of invention patent application after publication |