CN110230697A - A kind of speed changer list shift fork axle assembly structure and interlock method - Google Patents
A kind of speed changer list shift fork axle assembly structure and interlock method Download PDFInfo
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- CN110230697A CN110230697A CN201910460802.3A CN201910460802A CN110230697A CN 110230697 A CN110230697 A CN 110230697A CN 201910460802 A CN201910460802 A CN 201910460802A CN 110230697 A CN110230697 A CN 110230697A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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
- F16H63/32—Gear shift yokes, e.g. shift forks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
A kind of speed changer list shift fork axle assembly structure and interlock method disclosed by the invention, three or four gear shift fork of setting in shift fork axle, shifting shifting block, one second gear shift fork and five back forks, five back fork guide blocks of five back forks pass through a second gear shift fork, make a second gear shifting-fork gear-shifting slot, three or four gear shifting-fork gear-shifting slots and five back forks shift slot position are in same radial section, when block selecting, elastic ejector pin turns in the shifting-fork gear-shifting slot of the gear of selection, and it withstands in the groove of shifting-fork gear-shifting slot, interlocking block turns in the shifting-fork gear-shifting slot of remaining gear, shift fork axle drives corresponding shift fork movement to carry out operation of putting into gear when putting into gear, interlocking block positions remaining shift fork, realize the function of gear interlocking；It realizes and is put into gear by the realization of shift fork axle and the interlocking of gear, reduce the part of shift fork axle assembly, improve assembly efficiency, reduce manufacturing cost.
Description
Technical field
The present invention relates to the transmission technology field of motor vehicle, specially a kind of speed changer list shift fork axle assembly structure and mutually
Locking method.
Background technique
It is increasingly developed with domestic and international automobile industry, it is also higher and higher to the technical requirements of speed changer.Guaranteeing speed change
On the basis of the high reliability and high quality of device, it is desirable that product constantly optimizes, and improves the comfort of shift and changes
Block sense, and more stringent requirements are proposed in the lightweight of material and cost declining.
Five-gear manual transmission traditional at present mostly uses multiaxial type shifting fork structure, and each keep off in shift fork or shift fork axle needs to distinguish
Setting self-locking grooves or individually designed self-locking mechanism, shift fork mostly use cast steel material.This shifting fork structure number of components and assembler
Sequence is more, higher cost, is unfavorable for the lightweight of product.Furthermore the problems such as neutral gear gap existing for conventional transmissions is larger, shadow
Shift quality is rung.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of speed changer list shift fork axle assembly structure and interlocking side
Method, shift fork axle and fork guide block are integrally formed, effectively reduce number of parts and assembly process, reduce weight and at
This.
The present invention is to be achieved through the following technical solutions:
A kind of speed changer list shift fork axle assembly structure, including shift fork axle, and a successively second gear of the empty set in shift fork axle
Shift fork, three or four gear shift forks and five back forks；
The side of the one second gear shift fork is provided with a second gear shift fork guide block, is provided with a second gear on a second gear shift fork guide block
Shifting-fork gear-shifting slot；The side of three or four gear shift forks is provided with three or four gear shift fork guide blocks, is provided with three or four gears on three or four gear shift fork guide blocks
Shifting-fork gear-shifting slot；Five back fork guide blocks are arranged in the sides of five back forks, five are provided on five back fork guide blocks reverse gear and dial
Fork shift slot；
It is also fixedly connected with shifting shifting block in shift fork axle, and is located between three or four gear shift forks and a second gear shift fork, shifting is dialled
It is set with interlocking block on head, is equipped with an elastic ejector pin in the bottom of shifting shifting block；When block selecting, the boss of interlocking block, elastic top
Pin, five back forks shift slot, three or four gear shifting-fork gear-shifting slots and a second gear shifting-fork gear-shifting slot are located at same radial direction in neutral gear and cut
Face position.
Preferably, three or four gear shift fork guide blocks of a second gear shift fork guide block of the second gear shift fork and three or four gear shift forks are opposite
Setting.
Preferably, axial through-hole, five back forks of five back forks are provided on the side of the second gear shift fork
One end of guide block passes through through-hole, and the boss of five back forks shift slot and interlocking block is made to be located at same radial section.
Preferably, through-hole position rectangular configuration.
Preferably, shift fork is provided between three or the four gear shift fork, a second gear shift fork and five back forks and shift fork axle
Bushing.
Preferably, the second gear shift fork and a second gear shift fork guide block, three or four gear shift forks and three or four gear shift fork guide blocks, five fall
It keeps off shift fork and five back fork guide blocks is integrally casting shaping.
Preferably, self-locking grooves are additionally provided in the shift fork axle, self-locking grooves can be with the self-locking elasticity on case of transmission
Device cooperation, realizes the self-locking of shift fork axle.
Preferably, one end setting of the shift fork axle and shifting guide block, shifting guide block pass through attachment pegs and shift fork axle
It connects firmly.
Preferably, the shifting shifting block is connected firmly in shift fork axle by fixed pin, and the bottom of the interlocking block is provided with
Axial groove, elastic ejector pin can be moved axially along groove.
The present invention also provides a kind of interlock method of above-mentioned speed changer list shift fork axle assembly structure, when gear selecting, shift fork axle
Rotation drives shifting shifting block and interlocking block to rotate synchronously, and when rotation to target gear, shifting shifting block is located at target gear
Shifting-fork gear-shifting slot in, interlocking block is located in the shifting-fork gear-shifting slot of adjacent gear, complete it is self-locking.
Compared with prior art, the invention has the following beneficial technical effects:
The present invention provides a kind of speed changer list shift fork axle assembly structure, setting three or four keeps off shift fork, shifting in shift fork axle
Five back fork guide blocks of shifting block, a second gear shift fork and five back forks, five back forks pass through a second gear shift fork, make a second gear
Shifting-fork gear-shifting slot, three or four gear shifting-fork gear-shifting slots and five back forks shift slot position are when same radial section, block selecting, elastic ejector pin
It turns in the shifting-fork gear-shifting slot of the gear of selection, and withstands in the groove of shifting-fork gear-shifting slot, interlocking block turns to remaining gear
Shifting-fork gear-shifting slot in, shift fork axle drives the movement of corresponding shift fork to carry out operation of putting into gear when putting into gear, and interlocking block is to remaining shift fork
It is positioned, realizes the function of gear interlocking；It realizes and is put into gear by the realization of shift fork axle and the interlocking of gear, reduced
The part of shift fork axle assembly, improves assembly efficiency, reduces manufacturing cost.
Shift fork bushing is further set between shift fork and shift fork axle, the service life of shift fork and shift fork axle is improved.
Further, shift fork and shift fork guide block use integrally casting shaping, effectively reduce number of parts and assembly process, drop
Low weight and cost.
Further, it is equipped with elastic ejector pin between shifting shifting block and gear shifting-fork gear-shifting slot, effectively reduces conventional transmissions
Existing neutral gear clearance issues when shift improve shift quality.
Detailed description of the invention
Fig. 1 is the installation diagram of the single shift fork axle construction of the present invention；
Fig. 2 is the cross-sectional view of A-A in Fig. 1；
Fig. 3 is the cross-sectional view of B-B in Fig. 2；
Fig. 4 is the side view of a second gear fork of the invention；
Fig. 5 is the top view of a second gear fork of the invention；
Fig. 6 is the side view that the present invention three or four keeps off fork；
Fig. 7 is the top view that the present invention three or four keeps off fork；
Fig. 8 is the side view that the present invention five reverses gear fork；
Fig. 9 is the top view that the present invention five reverses gear fork.
In figure: 1, shift fork axle；2, three or four gear shift fork bushing；3, three or four gear shift fork；4, shifting shifting block；5, fixed pin；6,
Interlocking block；7, a second gear shift fork bushing；8, a second gear shift fork；9, five gear shift fork bushing；10, five back fork；11, self-locking grooves；
12, attachment pegs；13, shifting guide block；14, elastic ejector pin；15, five back fork guide block；16, three or four gear shift fork guide block；17, one
Second gear shift fork guide block；18, five back forks shift slot；19, three or four gear shifting-fork gear-shifting slot；20, a second gear shifting-fork gear-shifting slot；21,
Through-hole；22, boss.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
Refering to fig. 1 to Fig. 9, a kind of speed changer list shift fork axle assembly structure, including shift fork axle 1, a second gear shift fork 8,34
Keep off shift fork 3 and five back forks 10.
Refering to Figure 4 and 5, the side of a second gear shift fork 8 is provided with a second gear shift fork guide block 17, a second gear shift fork 8 and one or two
17 integrally casting shaping of shift fork guide block is kept off, a second gear shifting-fork gear-shifting slot 20 is provided on a second gear shift fork guide block 17, a second gear is dialled
The rectangular through-hole 21 being axially arranged is additionally provided on fork 8.
Refering to Fig. 6 and 7, the side of three or four gear shift forks 3 is provided with three or four gear shift fork guide blocks 16,34 and keeps off shift fork 3 and three or four
16 integrally casting shaping of shift fork guide block is kept off, three or four gear shifting-fork gear-shifting slots 19 are provided on three or four gear shift fork guide blocks 16.
Refering to Fig. 8 and 9, five back fork guide blocks 15 are arranged in the side of five back forks 10, and five back forks 10 fall with five
15 integrally casting shaping of shift fork guide block is kept off, five back forks shift slot 18 is provided on five back fork guide blocks 15, five, which reverse gear, dials
Boss 22 is additionally provided on the lateral wall of fork 10.
Shift fork uses aluminum alloy die-casting technological, and shift fork guide block uses cast steel material, and shift fork leads cast steel shift fork in casting
Block is put into mold, and wherein die cast is structure as a whole,
Refering to fig. 1, three or four gear shift forks 3, a second gear shift fork 8 and five back forks 10 from left to right successively empty set in fork shaft 1
On, the right end of shift fork axle 1 is arranged shifting guide block 13, and shifting guide block 13 is connected firmly together by attachment pegs 12 and shift fork axle 1,
The upper end of shifting guide block 13 and manipulation device cooperate, and shift fork axle 1 is additionally provided with self-locking grooves 11, and self-locking grooves 11 are led positioned at shifting
The side of block 13.
Three or four gear shift fork bushings 2 are provided between three or four gear shift forks 3 and shift fork axle, between a second gear shift fork 8 and shift fork axle
It is provided with second gear shift fork lining 7, five gear shift fork bushings 9 are provided between five back forks 10 and shift fork axle.
Referring to Fig.2, three or the four second gear shift forks kept off on shift fork guide blocks 16 and a second gear shift fork 8 on three or four gear shift forks 3 are led
Block 17 is oppositely arranged, and five back fork guide blocks 15 on five back forks 10 pass through the rectangular through-hole 21 on a second gear shift fork 8, and
Five back forks shift slot 18,34 keeps off shifting-fork gear-shifting slot 19 and a second gear shifting-fork gear-shifting slot 20 is located at same radial section.
Refering to Fig. 3, shifting shifting block 4 is additionally provided between three or four gear shift forks 3 and a second gear shift fork 8,4 sets of shifting shifting block
Be located in shift fork axle 1, and connected firmly together by fixed pin 5 and shift fork axle 1,6 empty set of interlocking block on shifting shifting block 4,
The bottom of shifting shifting block 4 is equipped with an elastic ejector pin 14, can keep off shifting-fork gear-shifting with five back forks shift slot 18,34 respectively
Arc groove in slot 19 and a second gear shifting-fork gear-shifting slot 20 cooperates, and the boss on interlocking block 6 is located at same with elastic ejector pin 14
Radial section position, and shifting-fork gear-shifting slot 19 and 20 phase of a second gear shifting-fork gear-shifting slot are kept off with five back forks shift slot 18,34
Matching.
A kind of working principle of speed changer list shift fork axle assembly structure provided by the invention is explained in detail below.
Equilbrium position is kept off three or four by manipulation assembly structure control neutral gear position；When block selecting, shifting guide block 13, which drives, to be dialled
Fork shaft 1 rotates, and shift fork axle 1 drives the interlocking block 6 of the shifting shifting block 4 and empty set that connect firmly on shifting shifting block to rotate together
Block selecting.
By taking three or four gears as an example, when shift, shifting guide block 13 drives shift fork axle 1 and shifting shifting block 4 to move forward and backward together
It puts into gear, wherein 6 empty set of interlocking block is placed in a second gear shifting-fork gear-shifting slot and five back forks change on shifting shifting block
It in retaining groove, cannot be moved forward and backward, realize interlock function.Self-locking grooves 11 are matched with the self-locking elastic screw plug on case of transmission
It closes, realizes the self-locking of shift fork axle and control shift-feel.
At each gear equilbrium position, the elastic ejector pin 14 of shifting shifting block bottom and the circle in corresponding gear shifting-fork gear-shifting slot
Arc fluting cooperation, spring guarantees that shifting shifting block 4 and the position of corresponding gear shift fork are relatively steady there are certain pretightning force at this time
It is fixed.To reduce the gap of neutral gear, shift quality is improved.
The invention of this hair designs a kind of speed changer list shift fork axle assembly structure, and shift fork uses aluminum alloy die-casting technological, and shift fork is led
Block uses cast steel material, and cast steel shift fork guide block is put into wherein die cast in casting and is integrated by shift fork, effectively reduces zero
Number of packages amount and assembly process reduce weight and cost.
The self-locking of shift fork axle can be realized with an elastic self-locking device cooperation in single shift fork axle in self-locking grooves design；Interlocking
On shifting shifting block, reverse gear switchs boss design and reverses gear and mention with switch cooperation realization of reversing gear on five back forks block empty set
Show.It is equipped with elastic ejector pin device between shifting shifting block and each gear shifting-fork gear-shifting slot, conventional transmissions can be effectively reduced and changed
Existing neutral gear clearance issues when gear improve shift quality.The shifting fork structure is integrated with above-mentioned function, effectively reduces manipulation device
Structure design, ensure that the high reliability and high quality of product.
In conclusion such structure, which has, reduces number of parts compared to traditional Five block transmission multiaxial type shifting fork structure
With assembly process, reduce weight and cost, Products integration be higher, high reliablity, improves shifting comfort and sucking sense etc.
Advantage meets the optimization design of product, plays certain progradation for the lightweight of speed changer and the performance optimization of vehicle.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of speed changer list shift fork axle assembly structure, which is characterized in that including shift fork axle (1), and successively empty set in shift fork
A second gear shift fork (8), three or four gears shift fork (3) and five back forks (10) on axis (1)；
The side of the one second gear shift fork (8) is provided with a second gear shift fork guide block (17), is arranged on a second gear shift fork guide block (17)
There is a second gear shifting-fork gear-shifting slot (20)；The side of three or four gears shift fork (3) is provided with three or four gears shift fork guide block (16), three or four gear shift forks
Three or four gears shifting-fork gear-shifting slot (19) are provided on guide block (16)；Five back fork guide blocks are arranged in the side of five back forks (10)
(15), five back forks shift slot (18) is provided on five back fork guide blocks (15)；
It is also fixedly connected with shifting shifting block (4), and is located between three or four gears shift fork (3) and a second gear shift fork (8) in shift fork axle (1),
It is set with interlocking block (6) on shifting shifting block (4), is equipped with an elastic ejector pin (14) in the bottom of shifting shifting block (4)；Block selecting
When, boss, elastic ejector pin (14), five back forks shift slot (18), three or four gears shifting-fork gear-shifting slot (19) and one of interlocking block (6)
Second gear shifting-fork gear-shifting slot (20) is located at same radial section position in neutral gear.
2. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that the second gear shift fork (8)
Three or four gears shift fork guide block (16) of one second gear shift fork guide block (17) and three or four gears shift fork (3) are oppositely arranged.
3. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that the second gear shift fork (8)
It is provided on side axial through-hole (21), one end of five back fork guide blocks (15) of five back forks (10) passes through through-hole
(21), the boss of five back forks shift slot (18) and interlocking block (6) is made to be located at same radial section.
4. speed changer list shift fork axle assembly structure according to claim 3, which is characterized in that through-hole (21) position rectangle knot
Structure.
5. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that three or four gear shift fork (3), one
Shift fork bushing is provided between second gear shift fork (8) and five back forks (10) and shift fork axle (1).
6. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that the second gear shift fork (8) and
One second gear shift fork guide block (17), three or four gears shift fork (3) and three or four gears shift fork guide block (16), five back forks (10) reverse gear with five and dial
Pitching guide block (15) is integrally casting shaping.
7. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that also set on the shift fork axle (1)
It is equipped with self-locking grooves (11), self-locking grooves (11) can cooperate with the self-locking elastic device on case of transmission, realize shift fork axle oneself
Lock.
8. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that one end of the shift fork axle is arranged
With shifting guide block (13), shifting guide block (13) is connected firmly by attachment pegs (12) with shift fork axle (1).
9. speed changer list shift fork axle assembly structure according to claim 1, which is characterized in that the shifting shifting block (4) is logical
It crosses fixed pin (5) to connect firmly in shift fork axle, the bottom of the interlocking block (6) is provided with axial groove, elastic ejector pin (14) energy
It is enough to be moved axially along groove.
10. a kind of interlock method of any one of claim 1-9 speed changer list shift fork axle assembly structure, which is characterized in that
When gear selecting, shift fork axle (1) rotation drives shifting shifting block (4) and interlocking block (6) to rotate synchronously, when rotation to target gear,
Shifting shifting block (4) is located in the shifting-fork gear-shifting slot of target gear, and interlocking block (6) is located in the shifting-fork gear-shifting slot of adjacent gear,
Complete the interlocking between gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460802.3A CN110230697B (en) | 2019-05-30 | 2019-05-30 | Transmission single shifting fork shaft assembly structure and interlocking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910460802.3A CN110230697B (en) | 2019-05-30 | 2019-05-30 | Transmission single shifting fork shaft assembly structure and interlocking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110230697A true CN110230697A (en) | 2019-09-13 |
| CN110230697B CN110230697B (en) | 2024-04-12 |
Family
ID=67858798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910460802.3A Active CN110230697B (en) | 2019-05-30 | 2019-05-30 | Transmission single shifting fork shaft assembly structure and interlocking method |
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| Country | Link |
|---|---|
| CN (1) | CN110230697B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644379A (en) * | 2018-06-28 | 2018-10-12 | 苏州东风精冲工程有限公司 | A kind of control structure of selector fork |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791541A (en) * | 1993-09-22 | 1995-04-04 | Aisin Ee I Kk | Manual-transmission operating mechanism |
| CN201330840Y (en) * | 2008-08-08 | 2009-10-21 | 中国第一汽车集团公司 | Novel gear changing and shifting device of mechanical transmission |
| US20180058578A1 (en) * | 2016-08-26 | 2018-03-01 | Dongfeng Commercial Vehicle Company Limited | Universal operating device for overdrive gearbox and use method thereof |
| CN108302199A (en) * | 2018-03-20 | 2018-07-20 | 西安法士特汽车传动有限公司 | A kind of nested type AMT shiftings operating-controlling mechanism and method of operating |
| CN210566190U (en) * | 2019-05-30 | 2020-05-19 | 宝鸡法士特齿轮有限责任公司 | Single shifting fork shaft assembly structure of transmission |
-
2019
- 2019-05-30 CN CN201910460802.3A patent/CN110230697B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0791541A (en) * | 1993-09-22 | 1995-04-04 | Aisin Ee I Kk | Manual-transmission operating mechanism |
| CN201330840Y (en) * | 2008-08-08 | 2009-10-21 | 中国第一汽车集团公司 | Novel gear changing and shifting device of mechanical transmission |
| US20180058578A1 (en) * | 2016-08-26 | 2018-03-01 | Dongfeng Commercial Vehicle Company Limited | Universal operating device for overdrive gearbox and use method thereof |
| CN108302199A (en) * | 2018-03-20 | 2018-07-20 | 西安法士特汽车传动有限公司 | A kind of nested type AMT shiftings operating-controlling mechanism and method of operating |
| CN210566190U (en) * | 2019-05-30 | 2020-05-19 | 宝鸡法士特齿轮有限责任公司 | Single shifting fork shaft assembly structure of transmission |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644379A (en) * | 2018-06-28 | 2018-10-12 | 苏州东风精冲工程有限公司 | A kind of control structure of selector fork |
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| Publication number | Publication date |
|---|---|
| CN110230697B (en) | 2024-04-12 |
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