CN103557308A - Bidirectional clutch gear shifting drive mechanism for automotive transmission - Google Patents
Bidirectional clutch gear shifting drive mechanism for automotive transmission Download PDFInfo
- Publication number
- CN103557308A CN103557308A CN201310525274.8A CN201310525274A CN103557308A CN 103557308 A CN103557308 A CN 103557308A CN 201310525274 A CN201310525274 A CN 201310525274A CN 103557308 A CN103557308 A CN 103557308A
- Authority
- CN
- China
- Prior art keywords
- twin
- inner ring
- retainer
- rolling element
- direction clutch
- 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.)
- Granted
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Classifications
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- 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
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- 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
- F16D15/00—Clutches with wedging balls or rollers or with other wedgeable separate clutching members
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
A bidirectional clutch gear shifting drive mechanism for an automotive transmission is used for solving the problems that an existing synchronizer gear shifting drive mechanism is complicated in structure, and machining and assembling accuracy of parts is not easily ensured. The bidirectional clutch gear shifting drive mechanism comprises a drive shaft, a bidirectional clutch and a target tap gear, the bidirectional clutch comprises an inner ring, an outer ring, a holding frame and a rolling element, the inner ring is connected with the drive shaft through a spline, the outer ring is connected with the target tap gear through a spline, the holding frame is of a circular structure, the holding frame, the inner ring and the rolling element are assembled, and an annular groove matched with a transmission shifting fork is formed in the outer wall of the holding frame. A bidirectional clutch structure replaces a synchronizer component of a traditional gear shifting drive mechanism, so that the manufacturing cost of a transmission drive mechanism is reduced, and reliability of an automotive gear shifting system is improved.
Description
Technical field
The present invention relates to a kind of gearshift driving mechanism of automotive transmission, especially a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism, belongs to speed changer technical field.
Background technique
At present, common mechanical shift of transmission driving mechanism adopts synchronizer assembly, by tooth, overlaps spline and in conjunction with tooth spline transfer of torque.Synchronizer assembly comprises that shift gear is in conjunction with tooth, synchronizing ring, tooth hub and tooth cover.In gear shift operation process, by tooth cover, drive synchronizing ring to slide to target gear gear combining tooth direction, by synchronizing ring inner conical surface, coordinate with target gear gear combining tooth male cone (strobilus masculinus) and produce frictional force, make input shaft rotating speed consistent with target gear driving gear rotating speed, then realize tooth cover internal spline and be combined the engagement of tooth external splines with shift gear, complete gear shift operation.
Due to the tooth cover of above-mentioned synchronizer assembly with target gear gear combining tooth by splined, for preventing its automatic off-gear, so must process inverted cone surface at spline increment, therefore make the difficulty of processing of component increase, increased component manufacture cost; The amount of parts of this synchronizer assembly is many in addition, complex structure, processing and assembly quality be difficult for to guarantee, the driving mechanism reliability decrease that causes shifting gears, in vehicle operating process, because of synchronizer assembly lost efficacy cause gear, gearshift is beaten the problems such as tooth and is happened occasionally.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of simple in structure, automotive transmission twin-direction clutch formula gearshift driving mechanism of being convenient to processing, reliable performance is provided.
Problem of the present invention realizes with following technical proposals:
A kind of automotive transmission twin-direction clutch formula gearshift driving mechanism, it comprises transmission shaft, twin-direction clutch and target shift gear, described twin-direction clutch is comprised of inner ring, outer ring, retainer and rolling element, described inner ring connects with splined driveshaft, described outer ring connects with target gear gear spline, described retainer is circle structure, and it and inner ring and rolling element are equipped, are provided with the annular groove mating with transmission selector fork on retainer outer wall.
Above-mentioned automotive transmission twin-direction clutch formula gearshift driving mechanism, described retainer madial wall circumferentially evenly arranges one group of cylindrical boss, and retainer assembles by cylinder type boss and inner ring.
Above-mentioned automotive transmission twin-direction clutch formula gearshift driving mechanism, described retainer right side is provided with one group of rolling element position-limited rack, the circumferential movement of described rolling element position-limited rack restriction rolling element.
Above-mentioned automotive transmission twin-direction clutch formula gearshift driving mechanism, the inner ring spline equipped with transmission shaft is set on described inner ring madial wall, its outer side wall left side is cylndrical surface, right side is multi-prismatic surface, on its left circles cylinder, be provided with one group of " protruding " font groove of toppling over, the narrow groove of described " protruding " font groove of toppling over and sipes are with circular arc camber transition, and it mates with the cylinder type boss on retainer madial wall.
Above-mentioned automotive transmission twin-direction clutch formula gearshift driving mechanism, madial wall left side in described outer ring is smooth cylindrical surface structure, its right side is provided with the outer ring spline equipped with target shift gear.
Above-mentioned automotive transmission twin-direction clutch formula gearshift driving mechanism, described rolling element quantity is mated with the rib number of interior ring outer wall right side multi-prismatic surface.
Above-mentioned automotive transmission twin-direction clutch formula gearshift driving mechanism, described target shift gear empty set is on transmission shaft, on target shift gear, be provided with the spline that connects with outer ring spline coupling, described connection spline is positioned on the end face that target shift gear coordinates with outer ring.
The present invention is provided with annular groove on the retainer outer wall of twin-direction clutch, while carrying out gear switching, driver can stir retainer by the selector fork of gear shift operation mechanism and move left and right, " protruding " font groove fit of falling by cylinder type boss on retainer inwall and interior ring outer wall updip, control the rotation of inner ring, thereby the multi-prismatic surface of inner ring outer side wall and the relative position of rolling element are changed.Its concrete controlling method is: when the narrow groove of " protruding " font groove that cylinder type boss falls with interior ring outer wall updip on retainer inwall coordinates, rolling element is positioned at the neutral position of multi-prismatic surface, rolling element and inner ring and outer ring Spielpassung, now inner ring and outer ring are in separated state, and this shift gear dallies on transmission shaft; When the sipes of " protruding " font groove that cylinder type boss falls with interior ring outer wall updip on retainer inwall coordinates, because transmission shaft is different from target gear gear rotational speed, the inner ring and the retainer that are fixed on transmission shaft relatively rotate in the sipes limited range of " protruding " font groove of toppling over, rolling element departs from the neutral position of multi-prismatic surface, rolling element and inner ring and outer ring compression fit, now inner ring and outer ring are in bonding state, make target shift gear and transmission shaft run-in synchronism, realized the switching of target gear.The present invention has guaranteed that by twin-direction clutch structure speed changer can pass through transmission shaft normal delivery moment of torsion when towing ahead and counter the dragging, simultaneously because it has substituted traditional synchronizer assembly, avoided component structural complexity, processing and assembly precision in synchronizer assembly to be difficult to the problem guaranteeing, thereby reduced the manufacture cost of gearing actuator, improved the reliability of shifting system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A cross-sectional view in Fig. 1;
Fig. 3 is B-B cross-sectional view in Fig. 1;
Fig. 4 is twin-direction clutch and target shift gear blast structural representation;
Fig. 5 is that twin-direction clutch is in separated state schematic diagram;
Fig. 6 is twin-direction clutch rolling element and inner ring, outer ring position relationship schematic diagram when separated state;
Fig. 7 is that twin-direction clutch is in bonding state schematic diagram;
Fig. 8 is twin-direction clutch rolling element and inner ring, outer ring position relationship schematic diagram when bonding state.
In figure, each list of reference numerals is: 1, transmission shaft, 2, twin-direction clutch, 2-1, retainer, 2-1-1, annular groove, 2-1-2, cylinder type boss, 2-1-3, rolling element position-limited rack, 2-2, inner ring, 2-2-1, inner ring spline, 2-2-2, " protruding " font groove of toppling over, 2-3, rolling element, 2-4, outer ring, 2-4-1, outer ring spline, 3, target shift gear, 3-1, connect spline.
Embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, the present invention includes transmission shaft 1, twin-direction clutch 2 and target shift gear 3, described twin-direction clutch 2 is comprised of inner ring 2-2, outer ring 2-4, retainer 2-1 and rolling element 2-3, described inner ring 2-2 and transmission shaft 1 splined, described outer ring 2-4 and target shift gear 3 splined, described retainer 2-1 is circle structure, it and inner ring 2-2 and rolling element 2-3 are equipped, are provided with the annular groove 2-1-1 mating with transmission selector fork on the outer wall of retainer 2-1.
Referring to Fig. 1, Fig. 3, Fig. 4, the present invention circumferentially evenly arranges one group of cylindrical boss 2-1-2 at retainer 2-1 madial wall, retainer 2-1 assembles by described cylinder type boss 2-1-2 and inner ring 2-2, on retainer 2-1 right side, be provided with one group of rolling element position-limited rack 2-1-3, the circumferential movement of described rolling element position-limited rack 2-1-3 restriction rolling element 2-3.
Referring to Fig. 3, Fig. 4, the present invention arranges the inner ring spline 2-2-1 equipped with transmission shaft on the madial wall of twin-direction clutch 2 inner ring 2-2, its outer side wall left side is cylndrical surface, right side is multi-prismatic surface, on its left circles cylinder, be provided with one group of " protruding " font groove 2-2-2 toppling over, the narrow groove of described " protruding " font groove 2-2-2 toppling over and sipes are with circular arc camber transition, and it mates with the cylinder type boss 2-1-2 on retainer madial wall.
Referring to Fig. 1, Fig. 3, Fig. 4, twin-direction clutch of the present invention 2 2-4 madial wall left sides, outer ring are smooth cylindrical surface structure, and its right side is provided with the outer ring spline 2-4-1 equipped with target shift gear 3.
Referring to Fig. 2, Fig. 4, rolling element 2-3 quantity of the present invention is mated with the rib number of interior ring outer wall right side multi-prismatic surface.
Referring to Fig. 3, Fig. 4, target shift gear 3 empty sets of the present invention are on transmission shaft 1, on target shift gear 3, be provided with outer ring spline 2-4-1 coupling connect spline 3-1, described connection spline 3-1 is positioned on the end face that target shift gear 3 coordinates with outer ring 2-4.
Referring to Fig. 5～Fig. 8, the twin-direction clutch 2 that the present invention adopts is derivative designs of mono-directional overrun clutch, " protruding " font groove fit that it falls by cylinder type boss on retainer inwall and interior ring outer wall updip, control the rotation of inner ring, realizing transmission shaft 1 and targeted gear gear 3 works with under two-way separated two kinds of patterns at bidirectional locking, reach two kinds of patterns and can control the object of switching, but its form is not limited to structure shown in the drawings, can select wedge block type, roller type or engagement type mono-directional overrun clutch to derive project organization.The present invention is provided with annular groove 2-1-1 on the retainer 2-1 of twin-direction clutch 2 outer wall, while carrying out gear switching, the selector fork that driver can operate gear shift operation mechanism is stirred retainer 2-1 and is moved left and right, by cylinder type boss 2-1-2 on retainer 2-1 inwall, coordinate with " protruding " font groove 2-2-2 toppling on inner ring 2-2 outer wall, control the rotation of inner ring 2-2, thereby the multi-prismatic surface of inner ring 2-2 outer side wall and the relative position of rolling element 2-3 are changed.Its concrete controlling method is: when the narrow groove of " protruding " font groove 2-2-2 that cylinder type boss 2-1-2 falls with interior ring outer wall updip on retainer inwall coordinates (as shown in Figure 5), rolling element 2-3 is positioned at the neutral position (as shown in Figure 6) of multi-prismatic surface, rolling element 2-3 and inner ring 2-2 and outer ring 2-4 Spielpassung, now inner ring 2-2 and outer ring 2-4 are in separated state, and target shift gear 3 is two-way separated with transmission shaft 1, when the sipes of " protruding " font groove 2-2-2 that cylinder type boss 2-1-2 falls with interior ring outer wall updip on retainer inwall coordinates (as shown in Figure 7), because transmission shaft 1 is different from target shift gear 3 rotating speeds, the inner ring 2-2 and the retainer 2-1 that are fixed on transmission shaft 1 relatively rotate in the sipes limited range of " protruding " font groove 2-2-2 toppling over, rolling element 2-3 departs from the neutral position of multi-prismatic surface, rolling element 2-3 and inner ring 2-2 and outer ring 2-4 compression fit, now inner ring 2-2 and outer ring 2-4 are in bonding state, make run-in synchronism after target shift gear 3 and transmission shaft 1 bidirectional locking, realized the switching of target gear.
The mode moving with match control retainer 2-1 of the present invention has two kinds: the one, and manual transmission structure, stirs retainer 2-1 by driver's operation selector fork and moves left and right; The 2nd, automatic transmission structure, utilizes Electromagnetic Control mode to make retainer 2-1 in different position work.
Claims (7)
1. automotive transmission twin-direction clutch formula gearshift driving mechanism, it is characterized in that, it comprises transmission shaft (1), twin-direction clutch (2) and target shift gear (3), described twin-direction clutch (2) is by inner ring (2-2), outer ring (2-4), retainer (2-1) and rolling element (2-3) form, described inner ring (2-2) and transmission shaft (1) splined, described outer ring (2-4) and target shift gear (3) splined, described retainer (2-1) is circle structure, it and inner ring (2-2) and rolling element (2-3) are equipped, on the outer wall of retainer (2-1), be provided with the annular groove (2-1-1) mating with transmission selector fork.
2. a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism according to claim 1, it is characterized in that, described retainer (2-1) madial wall circumferentially evenly arranges one group of cylindrical boss (2-1-2), and retainer (2-1) is by described cylinder type boss (2-1-2) and inner ring (2-2) assembling.
3. a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism according to claim 2, it is characterized in that, described retainer (2-1) right side is provided with one group of rolling element position-limited rack (2-1-3), the circumferential movement of described rolling element position-limited rack (2-1-3) restriction rolling element (2-3).
4. according to a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism described in claim 2 or 3, it is characterized in that, the inner ring spline (2-2-1) equipped with transmission shaft is set on described inner ring (2-2) madial wall, its outer side wall left side is cylndrical surface, right side is multi-prismatic surface, on its left circles cylinder, be provided with one group of " protruding " font groove (2-2-2) of toppling over, the narrow groove of described " protruding " font groove (2-2-2) of toppling over and sipes are with circular arc camber transition, and it mates with the cylinder type boss (2-1-2) on retainer madial wall.
5. a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism according to claim 4, it is characterized in that, madial wall left side, described outer ring (2-4) is smooth cylindrical surface structure, and its right side is provided with the outer ring spline (2-4-1) equipped with target shift gear (3).
6. a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism according to claim 5, is characterized in that, described rolling element (2-3) quantity is mated with the rib number of interior ring outer wall right side multi-prismatic surface.
7. a kind of automotive transmission twin-direction clutch formula gearshift driving mechanism according to claim 6, it is characterized in that, described target shift gear (3) empty set is on transmission shaft (1), on target shift gear (3), be provided with outer ring spline (2-4-1) coupling connect spline (3-1), described connection spline (3-1) is positioned on the end face that target shift gear (3) coordinates with outer ring (2-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525274.8A CN103557308B (en) | 2013-10-31 | 2013-10-31 | A kind of automotive transmission bidirectional clutch gearshift transmission rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310525274.8A CN103557308B (en) | 2013-10-31 | 2013-10-31 | A kind of automotive transmission bidirectional clutch gearshift transmission rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103557308A true CN103557308A (en) | 2014-02-05 |
| CN103557308B CN103557308B (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310525274.8A Active CN103557308B (en) | 2013-10-31 | 2013-10-31 | A kind of automotive transmission bidirectional clutch gearshift transmission rig |
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| Country | Link |
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| CN (1) | CN103557308B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953719A (en) * | 2014-05-12 | 2014-07-30 | 赵咪咪 | Four-gear driving mechanism |
| CN108916356A (en) * | 2018-07-09 | 2018-11-30 | 武汉理工大学 | A kind of bevel gear of two-way clutch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180826Y (en) * | 1994-01-14 | 1994-10-26 | 常州电站辅机总厂 | Two-direction clutch |
| JPH07103260A (en) * | 1993-09-30 | 1995-04-18 | Alpha Supply Kk | One-way clutch device |
| CN201225370Y (en) * | 2008-07-09 | 2009-04-22 | 杨玉秀 | Bidirectional clutch |
| CN201478146U (en) * | 2009-08-06 | 2010-05-19 | 江山市风远电器制造有限公司 | Clutch of actuator of RMU operating mechanism |
| CN202040234U (en) * | 2011-05-16 | 2011-11-16 | 肖德明 | Irreversible bidirectional clutch |
| CN202371051U (en) * | 2011-12-16 | 2012-08-08 | 章仲鸣 | Ball rigid clutch |
-
2013
- 2013-10-31 CN CN201310525274.8A patent/CN103557308B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07103260A (en) * | 1993-09-30 | 1995-04-18 | Alpha Supply Kk | One-way clutch device |
| CN2180826Y (en) * | 1994-01-14 | 1994-10-26 | 常州电站辅机总厂 | Two-direction clutch |
| CN201225370Y (en) * | 2008-07-09 | 2009-04-22 | 杨玉秀 | Bidirectional clutch |
| CN201478146U (en) * | 2009-08-06 | 2010-05-19 | 江山市风远电器制造有限公司 | Clutch of actuator of RMU operating mechanism |
| CN202040234U (en) * | 2011-05-16 | 2011-11-16 | 肖德明 | Irreversible bidirectional clutch |
| CN202371051U (en) * | 2011-12-16 | 2012-08-08 | 章仲鸣 | Ball rigid clutch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953719A (en) * | 2014-05-12 | 2014-07-30 | 赵咪咪 | Four-gear driving mechanism |
| CN103953719B (en) * | 2014-05-12 | 2017-02-15 | 博艳萍 | Four-gear driving mechanism |
| CN108916356A (en) * | 2018-07-09 | 2018-11-30 | 武汉理工大学 | A kind of bevel gear of two-way clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103557308B (en) | 2016-06-01 |
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