CN103899672A - Intelligent slider synchronizing device - Google Patents
Intelligent slider synchronizing device Download PDFInfo
- Publication number
- CN103899672A CN103899672A CN201410138971.2A CN201410138971A CN103899672A CN 103899672 A CN103899672 A CN 103899672A CN 201410138971 A CN201410138971 A CN 201410138971A CN 103899672 A CN103899672 A CN 103899672A
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- lock dog
- slide block
- protruding
- groove
- ring
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Abstract
The invention provides an intelligent slider synchronizing device which comprises a gear sleeve, a gear seat, a bipyramidal ring, a combining tooth, a slider, lock blocks and a spring. A structure capable of being embedded in or sliding out of a slider block of the inner side face of the gear sleeve is arranged at the top end of the slider, two opposite side faces along the circumferential direction of the slider are provided with slider locking bevels, a spring groove is arranged on the bottom end face of the slider, the lock blocks are mounted in lock block grooves of the gear seat, a groove for containing the slider is arranged on the top end face of each lock block, two opposite side faces of each groove are provided with lock block locking bevels matched with the slider locking bevels, and two protrusions contained between two end-face convex keys of the bipyramidal ring are arranged on the undersurface of each lock block. The slider and the lock blocks are used in a matched manner, so that the bipyramidal ring can be enabled to be uniform in stress, and synchronizing effect is better.
Description
Technical field
The invention relates to a kind of speed changer synchronizer, relates in particular to a kind of intelligent slide block synchronizer, belongs to vehicle transmission field.
Background technique
Along with domestic and international Gearbox design level is more and more higher, development speed makes rapid progress at present.Synchronizer is as the core part of speed changer, and the height of its overall performance directly affects the overall performance of gearbox.The synchronizer generally using in prior art is lock ring type inertia synchronizer, its structure comprises that synchronous lock ring realizes the latch functions in synchronizing process, this design increases synchronizer circumferential lengths, and synchronous lock ring has breach, the large end of synchronous lock ring that in synchronous friction process, stress area is mainly concentrated, affects synchronizing function.
Summary of the invention
The problem that the invention will solve is to provide a kind of intelligent slide block synchronizer, lock ring and slide block are used in conjunction with, make slide block and lock dog possess latch functions, make the whole inner conical surface of bipyramid ring bear synchronous frictional force, frictional heat is uniformly distributed, effectively alleviate bipyramid ring force-bearing situation, gearshift synchronous effect is better.
For solving the problems of the technologies described above, the technological scheme that the invention adopts is: a kind of intelligent slide block synchronizer is provided, it is characterized in that: comprise tooth cover, toothholder, bipyramid ring, in conjunction with tooth, slide block, lock dog and spring,
Described tooth cover inner side surface is provided with internal spline and slide block slot;
On described toothholder, be circumferentially laid with lock dog groove, lock dog groove bottom both sides circumferentially respectively offer a protruding keyway, and the bottom surface of lock dog groove is provided with blind hole;
Described bipyramid is equipped with interior male cone (strobilus masculinus), is circumferentially laid with the protruding key that is contained in described protruding keyway on the end face of the conelet end of bipyramid ring;
Described slide block top end overlaps two axial opposite side-edge mirrors to being provided with in conjunction with inclined-plane along tooth, two are " eight " font in conjunction with inclined-plane, slider top can embed or skid off the slide block slot that is arranged on described tooth cover inner side, slide block overlaps two circumferential sides along tooth and is provided with slide block locking inclined-plane, is down " eight " font;
Described lock dog is arranged in the lock dog groove of described toothholder, the top end of lock dog is provided with the groove that holds described slide block, described groove overlaps two circumferential opposite flanks along tooth and is provided with the lock dog locking inclined-plane coordinating with described slide block locking inclined-plane, the bottom surface of lock dog is provided with the lock dog supporting surface matching with the male cone (strobilus masculinus) of described bipyramid ring, the bottom surface of lock dog is provided with two projections that are contained in the space forming between two protruding keys, and the symmetry center of lock dog is provided with through hole;
Described spring one end is arranged in described blind hole, and the other end is connected by the through hole of described lock dog and the contact of the bottom end of described slide block.
Further, the quantity that is circumferentially laid with lock dog groove on described toothholder is no less than three.
Further, on described toothholder, be circumferentially laid with three lock dog grooves, the two bottom sides of each lock dog groove is respectively provided with a protruding keyway, there are three pairs of protruding keyways, on the conelet end end face of bipyramid ring, be circumferentially with three pairs of protruding keys, two protruding keys in every pair of protruding key are contained in respectively in the protruding keyway of same lock dog groove both sides, and two projections of described lock dog bottom surface are contained in wherein in the space between a pair of two described protruding keys.
Further, the protruding key of three couples arranging on described bipyramid ring conelet end end face, two protruding key opposing sides in every pair of protruding key are respectively equipped with protruding key ring face, two projections of described lock dog bottom surface are symmetrically distributed in the center of lock dog bottom surface, and two protruding phase back sides, outside are respectively equipped with protruding ring face.
Further, the center of described slide block bottom end is also provided with a spring groove, and described spring one end is connected in described blind hole, and the other end is connected with the bottom surface contact of described spring groove.
Further, the intermediate portion that two axial opposite side-edges are overlapped along tooth in described slide block top is the combination inclined-plane of mirror to setting, and overlapping circumferential two ends in conjunction with inclined-plane along tooth has respectively a projection.
Further, the inner conical surface of described bipyramid ring is provided with spiral chute, can destroy in conjunction with the oil film on tooth rubbing surface, increases friction, shortens lock in time.
Advantage and good effect that the invention has are: the synchronizer of the invention is used in conjunction with lock dog and slide block, possesses latch functions, in synchronizing process, make the whole inner conical surface of bipyramid ring bear frictional force, frictional heat is evenly distributed, effectively alleviate bipyramid ring force-bearing situation, shift process synchronous effect is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention;
Fig. 2 is the structural representation of tooth cover 1 in the invention;
Fig. 3 is the structural representation of toothholder 2 in the invention;
Fig. 4 is the structural representation of bipyramid ring 3 in the invention;
Fig. 5 is the structural representation of slide block 6 in the invention;
Fig. 6 is the axial sectional view of slide block 6 in the invention;
Fig. 7 is the stereogram of lock dog 7 in the invention;
Fig. 8 is another stereogram of lock dog 7 in the invention;
Fig. 9 is the plan view of lock dog 7 in the invention;
Figure 10 is the axial sectional view of lock dog 7 in the invention;
Part-structure schematic diagram when Figure 11 is the invention neutral;
Figure 12 is the part-structure schematic diagram of a certain state in the invention synchronizing process.
In figure: 1, tooth cover; 2, toothholder; 3, bipyramid ring; 3-1, inner conical surface; 3-2, male cone (strobilus masculinus); 3-3, protruding key; 3-4, protruding key ring face; 3-5, spiral chute; 4, in conjunction with tooth; 5, spring; 6, slide block; 6-1, in conjunction with inclined-plane; 6-2, spring groove; 6-3, slide block locking inclined-plane; 6-4, projection; 7, lock dog; 7-1, lock dog supporting surface; 7-2, projection; 7-3, protruding ring face; 7-4, through hole; 7-5, groove; 7-6, lock dog locking inclined-plane; 8, internal spline; 9, slide block slot; 10, lock dog groove; 11, protruding keyway; 12, blind hole.
Embodiment
Below in conjunction with drawings and Examples, the invention is described further.
As shown in Figure 1, the invention provides a kind of intelligent slide block synchronizer, comprises tooth cover 1, toothholder 2, bipyramid ring 3, in conjunction with tooth 4, slide block 6, lock dog 7 and spring 5.On the excircle of toothholder 2, equal angles spacing is provided with three recessed lock dog grooves 10, at the interior lock dog 7 that is all connected with of each lock dog groove 10, lock dog 7 tops are connected with a slide block 6, simultaneously, the inner side surface of tooth cover 1 is provided with the structure matching with slide block 6, and bipyramid ring 3 is provided with the structure matching with lock dog 7, as follows the structure to the invention is described in detail.
As shown in Figure 2, tooth overlaps 1 inner side and is provided with internal spline 8 and slide block slot 9.
As shown in Figure 3, on toothholder 2, be circumferentially laid with three lock dog grooves 10, lock dog groove 10 is provided with opening on toothholder 2 excircles, and the two bottom sides of lock dog groove 10 respectively offers a protruding keyway 11, protruding keyway 11 circumferentially communicates with lock dog groove 10, and the place of bottom center of lock dog groove 10 is provided with blind hole 12.
As shown in Figure 4, bipyramid ring 3 is provided with inner conical surface 3-1 and male cone (strobilus masculinus) 3-2, and on the end face of the conelet end of bipyramid ring 3, be circumferentially laid with three couples of protruding key 3-3, two protruding key 3-3 in every pair of protruding key are contained in respectively in the protruding keyway 11 of same lock keyway 10 both sides, and two protruding key 3-3 opposing sides in every pair of protruding key are provided with protruding key ring face 3-4.
As shown in Figure 5, the center portion that two axial opposite side-edges are overlapped along tooth in slide block 6 tops is that mirror is to the combination inclined-plane 6-1 arranging, two are " eight " font in conjunction with inclined-plane 6-1, match with the slide block slot 9 on tooth cover 1 in the top of slide block 6, can embed or skid off slide block slot 9, respectively there is a projection 6-4 along circumferential two ends in conjunction with inclined-plane 6-1, projection 6-4 matches with the internal spline 8 on tooth cover 1, the projection 6-4 that the internal spline 8 putting by tooth promotes on slide block 6 makes slide block 6 circumferential movement, the circumferential lower end, two opposite flanks of slide block 6 is provided with slide block locking inclined-plane 6-3, be down " eight " font, the bottom end of slide block 6 is provided with spring groove 6-2.
As shown in Fig. 6-7, lock dog 7 is arranged in the lock dog groove 10 of toothholder 2, the top end of lock dog 7 is provided with the groove 7-5 that holds described slide block, groove 7-5 is positioned at the center of lock dog 7 top ends, two circumferential opposite flanks of groove 7-5 are the lock dog locking inclined-plane 7-6 matching with slide block locking inclined-plane 6-3, the bottom surface of lock dog 7 is provided with the lock dog supporting surface 7-1 matching with the male cone (strobilus masculinus) 3-2 of bipyramid ring 3, the bottom surface of lock dog 7 is provided with two protruding 7-2, two protruding 7-2 are symmetrically distributed in the center of lock dog 7 bottom surfaces, and on the phase back side, outside of two protruding 7-2, be respectively equipped with protruding ring face 7-3, match with protruding key ring face 3-4 respectively, the circumferential size in the space forming between two protruding key ring face 3-4 in every pair of protruding key is greater than the circumferential size between two protruding ring face 7-3 in every pair of projection, the every couple of protruding 7-2 can be contained in the space forming between two protruding key 3-3 of a pair of protruding key wherein.The symmetry center place of slide block 7 is also provided with through hole 7-4.
One end of spring 5 is arranged in blind hole 12, and the other end is connected by the through hole 7-4 of lock dog 7 and the contact of the bottom surface of the spring groove 6-2 of slide block 6 bottom ends.
The inner conical surface 3-1 of bipyramid ring 3 is provided with spiral chute 3-5, can destroy in conjunction with the oil film on tooth 4 increasing friction force, the time of shortening combination.
As Figure 8-9, in shift process, tooth cover 1 produces end thrust F under the effect of shift fork, overlap 1 slide block slot 9 and act on the combination inclined-plane 6-1 of slide block by tooth, under spring 5 support reaction effects, transmitting thrust moves vertically, because slide block 6 is assemblied in the groove 7-5 of lock dog 7 top ends, slide block 6 compresses lock dog 7 grooves, thereby make lock dog 7 axially promote bipyramid ring 3 small end faces, the lock dog supporting surface 7-1 of lock dog 7 acts on the upper compression that forms of male cone (strobilus masculinus) 3-2 of bipyramid ring 3 simultaneously, bipyramid ring 3 with produce friction in conjunction with tooth, form frictional rotation, now, the protruding key ring face 3-4 of bipyramid ring 3 and the protruding ring face 7-3 of lock dog 7 offset, slide block locking inclined-plane 6-3 and the lock dog locking inclined-plane 7-6 of slide block 6 offset, form locking, under tooth cover active force bipyramid ring 3 with form moment of torsion in conjunction with tooth 4, along with fading away of angular velocity difference, moment of torsion reduces, be that locking moment reduces, tooth cover 1 continues motion vertically under active force, because locking moment disappears, slide block 6 starts to depart from slide block slot Compress Spring 5 and moves down, finally, tooth cover 1 is crossed after slide block 6 and is engaged in conjunction with tooth 4, complete shift process.
Above the embodiment of the invention is had been described in detail, but described content is only for the preferred embodiment of the invention, can not be considered to for limiting practical range of the present invention.All equalization variation and improvement etc. of doing according to the invention scope, within all should still belonging to this patent covering scope.
Claims (7)
1. intelligent slide block synchronizer, is characterized in that: comprise tooth cover, toothholder, bipyramid ring, in conjunction with tooth, slide block, lock dog and spring,
Described tooth cover inner side surface is provided with internal spline and slide block slot;
On described toothholder, be circumferentially laid with lock dog groove, lock dog groove bottom both sides circumferentially respectively offer a protruding keyway, and the bottom surface of lock dog groove is provided with blind hole;
Described bipyramid is equipped with interior male cone (strobilus masculinus), is circumferentially laid with the protruding key that is contained in described protruding keyway on the end face of the conelet end of bipyramid ring;
Described slide block top end overlaps two axial opposite side-edge mirrors to being provided with in conjunction with inclined-plane along tooth, two are " eight " font in conjunction with inclined-plane, slider top can embed or skid off the slide block slot that is arranged on described tooth cover inner side, slide block overlaps two circumferential sides along tooth and is provided with slide block locking inclined-plane, is down " eight " font;
Described lock dog is arranged in the lock dog groove of described toothholder, the top end of lock dog is provided with the groove that holds described slide block, described groove overlaps two circumferential opposite flanks along tooth and is provided with the lock dog locking inclined-plane coordinating with described slide block locking inclined-plane, the bottom surface of lock dog is provided with the lock dog supporting surface matching with the male cone (strobilus masculinus) of described bipyramid ring, the bottom surface of lock dog is provided with two projections that are contained in the space forming between two protruding keys, and the symmetry center of lock dog is provided with through hole;
Described spring one end is arranged in described blind hole, and the other end is connected by the through hole of described lock dog and the contact of the bottom end of described slide block.
2. intelligent slide block synchronizer according to claim 1, is characterized in that: the quantity that is circumferentially laid with lock dog groove on described toothholder is no less than three.
3. intelligent slide block synchronizer according to claim 1, it is characterized in that: on described toothholder, be circumferentially laid with three lock dog grooves, the two bottom sides of each lock dog groove is respectively provided with a protruding keyway, there are three pairs of protruding keyways, on the conelet end end face of bipyramid ring, be circumferentially with three pairs of protruding keys, two protruding keys in every pair of protruding key are contained in respectively in the protruding keyway of same lock dog groove both sides, and two projections of described lock dog bottom surface are contained in the space between a pair of two described protruding keys.
4. intelligent slide block synchronizer according to claim 1, it is characterized in that: the protruding key of three couples arranging on described bipyramid ring conelet end end face, two protruding key opposing sides in every pair of protruding key are respectively equipped with protruding key ring face, two projections of described lock dog bottom surface are symmetrically distributed in the center of lock dog bottom surface, and two protruding phase back sides, outside are respectively equipped with protruding ring face.
5. intelligent slide block synchronizer according to claim 1, is characterized in that: the center of described slide block bottom end is also provided with a spring groove, and described spring one end is connected in described blind hole, and the other end is connected with the bottom surface contact of described spring groove.
6. intelligent slide block synchronizer according to claim 1, is characterized in that: the intermediate portion that two axial opposite side-edges are overlapped along tooth in described slide block top is the combination inclined-plane of mirror to setting, and overlapping circumferential two ends in conjunction with inclined-plane along tooth has respectively a projection.
7. intelligent slide block synchronizer according to claim 1, is characterized in that: the inner conical surface of described bipyramid ring is provided with spiral chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138971.2A CN103899672A (en) | 2014-04-08 | 2014-04-08 | Intelligent slider synchronizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410138971.2A CN103899672A (en) | 2014-04-08 | 2014-04-08 | Intelligent slider synchronizing device |
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| Publication Number | Publication Date |
|---|---|
| CN103899672A true CN103899672A (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410138971.2A Pending CN103899672A (en) | 2014-04-08 | 2014-04-08 | Intelligent slider synchronizing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103899672A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110848280A (en) * | 2019-11-21 | 2020-02-28 | 坤泰车辆***（常州）有限公司 | Self-releasing ring type synchronizer |
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| CN101675262A (en) * | 2007-02-22 | 2010-03-17 | 贺尔碧格同步技术有限公司 | Clutch assembly |
| CN102052413A (en) * | 2009-11-03 | 2011-05-11 | 贺尔碧格传动技术控股有限公司 | Multiple synchronization module for gearbox and gearbox |
| WO2011054494A1 (en) * | 2009-11-03 | 2011-05-12 | Hoerbiger Antriebstechnik Holding Gmbh | Blocking synchronization assembly of a manual transmission |
| CN102549290A (en) * | 2009-09-08 | 2012-07-04 | 贺尔碧格传动技术控股有限公司 | Synchronization unit of a gearbox |
| CN203822896U (en) * | 2014-04-08 | 2014-09-10 | 天津天海同步科技股份有限公司 | Intelligent slide block synchronization device |
-
2014
- 2014-04-08 CN CN201410138971.2A patent/CN103899672A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101675262A (en) * | 2007-02-22 | 2010-03-17 | 贺尔碧格同步技术有限公司 | Clutch assembly |
| CN102549290A (en) * | 2009-09-08 | 2012-07-04 | 贺尔碧格传动技术控股有限公司 | Synchronization unit of a gearbox |
| CN102052413A (en) * | 2009-11-03 | 2011-05-11 | 贺尔碧格传动技术控股有限公司 | Multiple synchronization module for gearbox and gearbox |
| WO2011054494A1 (en) * | 2009-11-03 | 2011-05-12 | Hoerbiger Antriebstechnik Holding Gmbh | Blocking synchronization assembly of a manual transmission |
| CN203822896U (en) * | 2014-04-08 | 2014-09-10 | 天津天海同步科技股份有限公司 | Intelligent slide block synchronization device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110848280A (en) * | 2019-11-21 | 2020-02-28 | 坤泰车辆***（常州）有限公司 | Self-releasing ring type synchronizer |
| CN110848280B (en) * | 2019-11-21 | 2024-03-12 | 坤泰车辆***（常州）有限公司 | Self-decycling synchronizer |
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Application publication date: 20140702 |