CN105090491A - Gear shifting mechanism special for automatic transmission - Google Patents
Gear shifting mechanism special for automatic transmission Download PDFInfo
- Publication number
- CN105090491A CN105090491A CN201510559416.1A CN201510559416A CN105090491A CN 105090491 A CN105090491 A CN 105090491A CN 201510559416 A CN201510559416 A CN 201510559416A CN 105090491 A CN105090491 A CN 105090491A
- Authority
- CN
- China
- Prior art keywords
- cavity
- gearshift
- vibration damper
- guide
- worm
- 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.)
- Pending
Links
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
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/1232—Wound springs characterised by the spring mounting
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/24—Detecting or preventing malfunction, e.g. fail safe
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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
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/126—Self-adjusting during operation, e.g. by a spring
- F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs
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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
- F16H2063/3089—Spring assisted shift, e.g. springs for accumulating energy of shift movement and release it when clutch teeth are aligned
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses a gear shifting mechanism special for an automatic transmission. The mechanism comprises a gear shifting guide shaft, a first bearing, a gear shifting worm-wheel shaft gear, a gear shifting guide shaft worm wheel, a second bearing and a torsional damper assembly. The torsional damper assembly comprises a damper left cover, a damper right cover and a torsional damper check ring which are arranged from left to right in sequence. At least three cylindrical helical springs which are evenly distributed into a circle are installed in installation cavities correspondingly formed in the damper right cover under pretightening force. The damper left cover and the torsional damper check ring are buckled together through buckles and clamping grooves. The outer diameter of each cylindrical helical spring is larger than the depth of a cavity body of each installation cavity, so that the cylindrical helical springs can be pressed by the side walls of left cavities and right cavities when the left cavities and the right cavities rotate relative to the installation cavities. When external teeth of the gear shifting worm-wheel shaft gear are abraded, automatic compensation of gaps caused by abrasion can be achieved, and gapless meshing between the gear shifting worm-wheel shaft gear and a gear shifting rod is achieved.
Description
Technical field
The present invention relates to transmission technology field, be specifically related to a kind of gearshift being exclusively used in automatic transmission.
Background technique
Shifter of transmission usually by the gearshift axis of guide, and is from left to right sleeved on clutch shaft bearing, gearshift worm-wheel shaft gear, gearshift axis of guide worm gear and the second bearing composition on the gearshift axis of guide successively.Clutch shaft bearing and the second bearing press mounting on the gearshift axis of guide, for the installation at axis of guide two ends of shifting gears.Gearshift axis of guide worm gear is fixedly set on the gearshift axis of guide, gearshift axis of guide worm gear is engaged by interior external tooth with the right-hand member of gearshift worm-wheel shaft gear, thus transferring power is to drive gearshift worm-wheel shaft pinion rotation, gearshift worm-wheel shaft gear driven gear level moves, drive shift fork to move by gear level, thus realize gearshift.
The subject matter that this structure exists is: in use, and wearing and tearing easily appear in the external tooth of gearshift worm-wheel shaft gear, once occur wearing and tearing, need frequent gearshift worm-wheel shaft gear of changing to ensure normally carrying out of gearshift, user cost is very high, and bothers very much.
Summary of the invention
Of the present inventionly aim to provide a kind of gearshift being exclusively used in automatic transmission, when there are wearing and tearing in the external tooth of worm-wheel shaft gear of shifting gears, can the gap that produces of auto-compensation wearing and tearing, realize the tight mesh of gearshift worm-wheel shaft gear and gear level.
For this reason, the technical solution adopted in the present invention is: a kind of gearshift being exclusively used in automatic transmission, comprise the gearshift axis of guide (1), and be from left to right sleeved on clutch shaft bearing (2), gearshift worm-wheel shaft gear (3) in the gearshift axis of guide (1), shift gears axis of guide worm gear (4) and the second bearing (5) successively, described clutch shaft bearing (2) and the second bearing (5) are fitted in the gearshift axis of guide (1), for the installation at the axis of guide of shifting gears (1) two ends, it is characterized in that:
The gearshift axis of guide (1) between described gearshift worm-wheel shaft gear (3) and gearshift axis of guide worm gear (4) is also set with torsion vibration absorber assembly, described torsion vibration absorber assembly comprises the vibration damper left cover (6) from left to right set gradually, vibration damper right cover (7) and torsion vibration absorber back-up ring (9), at least three circumferentially uniform cylindrically coiled springs (8) to be arranged in vibration damper right cover (7) in the corresponding installation cavity (7a) arranged by pretightening force, the right side of described vibration damper left cover (6) is provided with equal with installing cavity (7a) quantity, the left cavity (6a) that position is corresponding, the left side of torsion vibration absorber back-up ring (9) is provided with equal with installing cavity (7a) quantity, the right cavity (9a) that position is corresponding, and left cavity (6a), the length of right cavity (9a) is all greater than the length of installing cavity (7a), the circumference of described vibration damper left cover (6) is provided with four buckles (6b) extended towards right side, described torsion vibration absorber back-up ring (9) is provided with equal with buckle (6b) quantity, the draw-in groove (9b) that position is corresponding, vibration damper left cover (6) is snapped together by buckle (6b) and draw-in groove (9b) with torsion vibration absorber back-up ring (9), thus cylindrically coiled spring (8) and vibration damper right cover (7) are arranged between vibration damper left cover (6) and torsion vibration absorber back-up ring (9), the external diameter of described cylindrically coiled spring (8) is greater than the cavity depth of installing cavity (7a), make left cavity (6a), right cavity (9a) is mounted opposite cavity (7a) when rotating, left cavity (6a), the sidewall of right cavity (9a) all can compress cylindrically coiled spring (8),
The left end of described gearshift worm-wheel shaft gear (3) is by being sleeved on collar (10) axial limiting in the gearshift axis of guide (1), described gearshift axis of guide worm gear (4) is fixedly set in the gearshift axis of guide (1), described gearshift axis of guide worm gear (4) drives vibration damper right cover (7) to rotate by external splines, and vibration damper left cover (6) is engaged by the external tooth of internal tooth with gearshift worm-wheel shaft gear (3) right-hand member thus driven worm-wheel shaft gear (3) of shifting gears to rotate.
Beneficial effect of the present invention: by setting up torsion vibration absorber assembly on the gearshift axis of guide, and torsion vibration absorber assembly is between gearshift worm-wheel shaft gear and gearshift axis of guide worm gear, plays transfer motion power and the effect in elimination gearshift worm-wheel shaft gear wear gap; Gearshift axis of guide worm gear, the gearshift axis of guide and torsion vibration absorber back-up ring synchronous axial system; vibration damper left cover is rotated with gearshift worm-wheel shaft gear synchronous; cylindrically coiled spring and vibration damper right cover are between vibration damper left cover and torsion vibration absorber back-up ring; by vibration damper left cover, gearshift worm-wheel shaft gear is provided to the torsion of a sense of rotation; even if there are wearing and tearing in gearshift worm-wheel shaft gear; also can guarantee gearshift worm-wheel shaft gear and gear level positive engagement, ensure normally carrying out of gearshift.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the decomposing schematic representation of torsion vibration absorber assembly.
Fig. 3 is the right elevation of vibration damper left cover.
Fig. 4 is the left view of torsion vibration absorber back-up ring.
Embodiment
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
As shown in Figure 1, a kind of gearshift being exclusively used in automatic transmission, primarily of the gearshift axis of guide 1, and clutch shaft bearing 2, gearshift worm-wheel shaft gear 3, gearshift axis of guide worm gear 4 and the second bearing 5 be from left to right sleeved on successively on the gearshift axis of guide 1 forms.Clutch shaft bearing 2 and the second bearing 5 are fitted on the gearshift axis of guide 1, for the installation at the axis of guide 1 two ends of shifting gears.
In addition, the gearshift axis of guide 1 between gearshift worm-wheel shaft gear 3 and gearshift axis of guide worm gear 4 is also set with torsion vibration absorber assembly.Shown in composition graphs 1-Fig. 4, torsion vibration absorber assembly forms primarily of vibration damper left cover 6, vibration damper right cover 7, torsion vibration absorber back-up ring 9 and cylindrically coiled spring 8.Vibration damper left cover 6, vibration damper right cover 7, torsion vibration absorber back-up ring 9, three from left to right sets gradually.Cylindrically coiled spring 8 is at least three, but is not limited to three.Circumferentially uniform cylindrically coiled spring 8 is arranged in the installation cavity 7a of corresponding setting in vibration damper right cover 7 by pretightening force.The right side of vibration damper left cover 6 is provided with and installs the left cavity 6a that cavity 7a quantity is equal, position is corresponding.The left side of torsion vibration absorber back-up ring 9 is provided with and installs the right cavity 9a that cavity 7a quantity is equal, position is corresponding, and the length of left cavity 6a, right cavity 9a is all greater than the length of installing cavity 7a.
The circumference of vibration damper left cover 6 is provided with four buckle 6b extended towards right side, torsion vibration absorber back-up ring 9 is provided with equal with buckle 6b quantity, that position is corresponding draw-in groove 9b, vibration damper left cover 6 and torsion vibration absorber back-up ring 9 are snapped together by buckle 6b and draw-in groove 9b, thus cylindrically coiled spring 8 and vibration damper right cover 7 are arranged between vibration damper left cover 6 and torsion vibration absorber back-up ring 9.The external diameter of cylindrically coiled spring 8 is greater than the cavity depth of installing cavity 7a, and make left cavity 6a, right cavity 9a is mounted opposite cavity 7a when rotating, the sidewall of left cavity 6a, right cavity 9a all can compress cylindrically coiled spring 8.
Preferably, be provided with four circumferentially uniform installation cavity 7a in vibration damper right cover 7, correspondingly, cylindrically coiled spring 8, left cavity 6a and right cavity 9a are respectively four.Vibration damper left cover 6, vibration damper right cover 7 and torsion vibration absorber back-up ring 9 adopt PA66+30% glass to make.
During assembling torsion vibration absorber assembly, first cylindrically coiled spring 8 is arranged in the installation cavity 7a of vibration damper right cover 7, ensures that cylindrically coiled spring 8 can not drop out in installation cavity 7a by precompression; Vibration damper left cover 6 is placed on the left side of vibration damper right cover 7, torsion vibration absorber back-up ring 9 is placed on the right side of vibration damper right cover 7, and is snapped together by buckle again.After installing, vibration damper left cover 6 can be rotated relative to vibration damper right cover 7, in the process of rotating, compress cylindrically coiled spring 8; Torsion vibration absorber back-up ring 9 can rotate relative to vibration damper right cover 7, compresses cylindrically coiled spring 8 equally in the process of rotating.
The left end of gearshift worm-wheel shaft gear 3 is by being sleeved on collar 10 axial limiting on the gearshift axis of guide 1, gearshift axis of guide worm gear 4 is fixedly set on the gearshift axis of guide 1, gearshift axis of guide worm gear 4 drives vibration damper right cover 7 to rotate by external splines, and vibration damper left cover 6 is engaged by the external tooth of internal tooth with gearshift worm-wheel shaft gear 3 right-hand member thus driven worm-wheel shaft gear 3 of shifting gears to rotate.
Claims (3)
1. one kind is exclusively used in the gearshift of automatic transmission, comprise the gearshift axis of guide (1), and be from left to right sleeved on clutch shaft bearing (2), gearshift worm-wheel shaft gear (3) in the gearshift axis of guide (1), shift gears axis of guide worm gear (4) and the second bearing (5) successively, described clutch shaft bearing (2) and the second bearing (5) are fitted in the gearshift axis of guide (1), for the installation at the axis of guide of shifting gears (1) two ends, it is characterized in that:
The gearshift axis of guide (1) between described gearshift worm-wheel shaft gear (3) and gearshift axis of guide worm gear (4) is also set with torsion vibration absorber assembly, described torsion vibration absorber assembly comprises the vibration damper left cover (6) from left to right set gradually, vibration damper right cover (7) and torsion vibration absorber back-up ring (9), at least three circumferentially uniform cylindrically coiled springs (8) to be arranged in vibration damper right cover (7) in the corresponding installation cavity (7a) arranged by pretightening force, the right side of described vibration damper left cover (6) is provided with equal with installing cavity (7a) quantity, the left cavity (6a) that position is corresponding, the left side of torsion vibration absorber back-up ring (9) is provided with equal with installing cavity (7a) quantity, the right cavity (9a) that position is corresponding, and left cavity (6a), the length of right cavity (9a) is all greater than the length of installing cavity (7a), the circumference of described vibration damper left cover (6) is provided with four buckles (6b) extended towards right side, described torsion vibration absorber back-up ring (9) is provided with equal with buckle (6b) quantity, the draw-in groove (9b) that position is corresponding, vibration damper left cover (6) is snapped together by buckle (6b) and draw-in groove (9b) with torsion vibration absorber back-up ring (9), thus cylindrically coiled spring (8) and vibration damper right cover (7) are arranged between vibration damper left cover (6) and torsion vibration absorber back-up ring (9), the external diameter of described cylindrically coiled spring (8) is greater than the cavity depth of installing cavity (7a), make left cavity (6a), right cavity (9a) is mounted opposite cavity (7a) when rotating, left cavity (6a), the sidewall of right cavity (9a) all can compress cylindrically coiled spring (8),
The left end of described gearshift worm-wheel shaft gear (3) is by being sleeved on collar (10) axial limiting in the gearshift axis of guide (1), described gearshift axis of guide worm gear (4) is fixedly set in the gearshift axis of guide (1), described gearshift axis of guide worm gear (4) drives vibration damper right cover (7) to rotate by external splines, and vibration damper left cover (6) is engaged by the external tooth of internal tooth with gearshift worm-wheel shaft gear (3) right-hand member thus driven worm-wheel shaft gear (3) of shifting gears to rotate.
2. the gearshift being exclusively used in automatic transmission according to claim 1, it is characterized in that: in described vibration damper right cover (7), be provided with four circumferentially uniform installation cavitys (7a), correspondingly, cylindrically coiled spring (8), left cavity (6a) and right cavity (9a) are respectively four.
3. the gearshift being exclusively used in automatic transmission according to claim 1, is characterized in that: described vibration damper left cover (6), vibration damper right cover (7) and torsion vibration absorber back-up ring (9) adopt PA66+30% glass to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559416.1A CN105090491A (en) | 2015-09-06 | 2015-09-06 | Gear shifting mechanism special for automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559416.1A CN105090491A (en) | 2015-09-06 | 2015-09-06 | Gear shifting mechanism special for automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105090491A true CN105090491A (en) | 2015-11-25 |
Family
ID=54571535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510559416.1A Pending CN105090491A (en) | 2015-09-06 | 2015-09-06 | Gear shifting mechanism special for automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105090491A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424340A (en) * | 2008-11-07 | 2009-05-06 | 重庆青山工业有限责任公司 | Shift-selecting and changing actuating mechanism for automatic speed transmission |
| CN201443587U (en) * | 2008-12-10 | 2010-04-28 | 富奥汽车零部件股份有限公司 | Gear selecting and shifting actuator of automatic speed changer |
| CN101979900A (en) * | 2010-11-09 | 2011-02-23 | 中国第一汽车集团公司 | Motor-driven gear selection and shifting actuator |
| CN102434660A (en) * | 2011-12-09 | 2012-05-02 | 重庆青山工业有限责任公司 | Gear selection/shift mechanism of rear-driving automatic transmission |
| DE102013209117A1 (en) * | 2012-06-04 | 2013-12-05 | Schaeffler Technologies AG & Co. KG | Hub device for torsional vibration damper that is utilized for damping vibrations of motor car clutch disk during operation of combustion engine, has rotary drive whose component forms cage for clockwork mechanism of damper device |
| CN203604593U (en) * | 2013-12-03 | 2014-05-21 | 东风汽车公司 | Gear shifting execution mechanism of full-electric automatic gearbox |
| CN104482198A (en) * | 2014-12-11 | 2015-04-01 | 东风汽车公司 | Electric control electric AMT (automated mechanical transmission) gear selecting and shifting executing mechanism assembly |
| CN205064830U (en) * | 2015-09-06 | 2016-03-02 | 重庆钟华机械有限责任公司 | Automatic gearbox's gearshift is exclusively used in |
-
2015
- 2015-09-06 CN CN201510559416.1A patent/CN105090491A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424340A (en) * | 2008-11-07 | 2009-05-06 | 重庆青山工业有限责任公司 | Shift-selecting and changing actuating mechanism for automatic speed transmission |
| CN201443587U (en) * | 2008-12-10 | 2010-04-28 | 富奥汽车零部件股份有限公司 | Gear selecting and shifting actuator of automatic speed changer |
| CN101979900A (en) * | 2010-11-09 | 2011-02-23 | 中国第一汽车集团公司 | Motor-driven gear selection and shifting actuator |
| CN102434660A (en) * | 2011-12-09 | 2012-05-02 | 重庆青山工业有限责任公司 | Gear selection/shift mechanism of rear-driving automatic transmission |
| DE102013209117A1 (en) * | 2012-06-04 | 2013-12-05 | Schaeffler Technologies AG & Co. KG | Hub device for torsional vibration damper that is utilized for damping vibrations of motor car clutch disk during operation of combustion engine, has rotary drive whose component forms cage for clockwork mechanism of damper device |
| CN203604593U (en) * | 2013-12-03 | 2014-05-21 | 东风汽车公司 | Gear shifting execution mechanism of full-electric automatic gearbox |
| CN104482198A (en) * | 2014-12-11 | 2015-04-01 | 东风汽车公司 | Electric control electric AMT (automated mechanical transmission) gear selecting and shifting executing mechanism assembly |
| CN205064830U (en) * | 2015-09-06 | 2016-03-02 | 重庆钟华机械有限责任公司 | Automatic gearbox's gearshift is exclusively used in |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151125 |