CN204041978U - A kind of shifting vehicle gearbox operating mechanism - Google Patents
A kind of shifting vehicle gearbox operating mechanism Download PDFInfo
- Publication number
- CN204041978U CN204041978U CN201420422817.3U CN201420422817U CN204041978U CN 204041978 U CN204041978 U CN 204041978U CN 201420422817 U CN201420422817 U CN 201420422817U CN 204041978 U CN204041978 U CN 204041978U
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- selector fork
- steel ball
- spring steel
- fork axle
- down assembly
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Abstract
A kind of shifting vehicle gearbox operating mechanism, belong to transmission art field, comprise the one group of selector fork unit assembled in a series arrangement, described selector fork unit quantity is mated with transmission gear figure place, in each selector fork unit, selector fork axle is all set, shift fork, gearshift shifting block, spring steel ball holds down assembly and the lock groove of three bowl configurations, described shift fork and gearshift shifting block are fixedly mounted on selector fork axle, selector fork axle grafting assembling in adjacent two selector fork units, and to be held down assembly by spring steel ball and the lock groove of three bowl configurations realizes self-locking.It is simple that the utility model has structure, be convenient to the feature of assembling, not only reduce the amount of parts of shift operating mechanism of speed changer, reduce cost of material, and save speed changer inner space, the layout design of case of transmission and selector fork axle is simplified.
Description
Technical field
The utility model relates to a kind of automotive transmission, and especially a kind of shifting vehicle gearbox operating mechanism, belongs to transmission art field.
Background technique
The working principle of automotive transmission is the excursion controlling vehicle drive force and the speed of a motor vehicle by changing velocity ratio, to meet vehicle normal requirement travelled under various road conditions condition.Along with the continuous progress and development of automotive engineering, speed changer kind also gets more and more, conventional manual transmission, DCT(double-clutch automatic gearbox) and AMT(automatic speed changer for machine) gear shift operation all completed by a series of machinery action.In above-mentioned speed changer, people wish that, when carrying out gear shift operation, speed changer can provide auto-lock function, and to ensure that speed changer is under the impact of the condition such as vibration, operating mechanism is not put into gear or off-gear voluntarily voluntarily.
As shown in accompanying drawing 1, Fig. 2, move in shift operating mechanism of speed changer at many blocks at present, the structure that most employing many selector fork axles 1 are arranged in parallel, each selector fork axle 1 arranges the lock groove 5 of a shift fork 2 and three bowl configurations, case of transmission arranges spring steel ball and holds down assembly 4.When driver by gear level handle gearshift shifting block 3 move up and down time, gearshift shifting block 3 drives selector fork axle 1 to be in neutral or a certain gear positions, and spring steel ball holds down assembly and 4 coordinates with lock groove 5 auto-lock function realizing each gear.Each selector fork axle 1 due to above-mentioned transmission control needs to arrange the spring steel ball matched and holds down assembly 4, not only increase cost of material, and for ensure the spring steel ball that coordinates with each declutch shift shaft hold down assembly 4 conformity, increase case of transmission and design and the difficulty of selector fork axle layout; Simultaneously because declutch shift shaft installation steps are loaded down with trivial details, easily there is catching phenomenon.
Model utility content
The purpose of this utility model is the drawback for prior art, there is provided one can realize each gear self-locking of speed changer, improve vehicle safety, shifting vehicle gearbox operating mechanism speed changer inner space can saved again, the layout design of case of transmission and selector fork axle is simplified.
Problem described in the utility model realizes with following technical proposals:
A kind of shifting vehicle gearbox operating mechanism, comprise the one group of selector fork unit assembled in a series arrangement, described selector fork unit quantity is mated with transmission gear figure place, selector fork axle is all set in each selector fork unit, shift fork, gearshift shifting block, spring steel ball hold down assembly and the lock groove of three bowl configurations, described shift fork and gearshift shifting block are fixedly mounted on selector fork axle, selector fork axle grafting assembling in adjacent two selector fork units, and to be held down assembly by spring steel ball and the lock groove of three bowl configurations realizes self-locking.
Above-mentioned shifting vehicle gearbox operating mechanism, described selector fork unit comprises the first selector fork unit, the second selector fork unit and the 3rd selector fork unit that are arranged in order from top to bottom, first selector fork axle of described first selector fork unit is the multidiameter shaft structure that upper diameter is large, lower diameter is little, arranges spring steel ball hold down assembly in the first selector fork axle lower end.
Above-mentioned shifting vehicle gearbox operating mechanism, second selector fork axle upper half part of described second selector fork unit is cavity structure, lower half portion is cylindrical structure, cavity structure inwall to be arranged and spring steel ball holds down assembly the lock groove of three bowl configurations mated, spring steel ball is set in cylindrical structure lower end and holds down assembly.
Above-mentioned shifting vehicle gearbox operating mechanism, the 3rd selector fork axle upper half part of described 3rd selector fork unit is cavity structure, lower half portion is cylindrical structure, cavity structure inwall is arranged and spring steel ball holds down assembly the lock groove of three bowl configurations mated.
The selector fork axle of different gear to be combined into one formula structure by series connection inserting mode by the utility model, and adopt and spring steel ball is set respectively in the selector fork axle inside of adjacent selector fork unit holds down assembly and the means of lock groove of three bowl configurations, realize auto-lock function in integral type declutch shift shaft inside.It is simple that the utility model has structure, be convenient to the feature of assembling, not only reduce the amount of parts of shift operating mechanism of speed changer, reduce cost of material, and save speed changer inner space, the layout design of case of transmission and selector fork axle is simplified.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is that existing many blocks move shift operating mechanism of speed changer schematic diagram;
Fig. 2 is that existing many blocks move shift operating mechanism of speed changer self-locking structure schematic diagram;
Fig. 3 is the utility model structural representation;
Fig. 4 is the detonation configuration figure of Fig. 3;
Fig. 5 is integral type selector fork axle cross-sectional view;
Fig. 6 is A place schematic enlarged-scale view in Fig. 5;
Integral type selector fork axle self-locking state schematic diagram when Fig. 7 is speed changer extension one gear;
Integral type selector fork axle self-locking state schematic diagram when Fig. 8 is speed changer extension two gear;
Integral type selector fork axle self-locking state schematic diagram when Fig. 9 is speed changer extension three gear;
Integral type selector fork axle self-locking state schematic diagram when Figure 10 is speed changer extension four gear;
Integral type selector fork axle self-locking state schematic diagram when Figure 11 is speed changer extension five gear;
Figure 12 is that integral type selector fork axle self-locking state schematic diagram when reversing gear hung by speed changer;
Integral type selector fork axle self-locking state schematic diagram when Figure 13 is speed changer neutral.
In figure, each list of reference numerals is: 1, selector fork axle, 1-1, the first selector fork axle, 1-2, the second selector fork axle, 1-3, the 3rd selector fork axle, 2, shift fork, 3, gearshift shifting block, 4, spring steel ball holds down assembly, 5, lock groove.
Embodiment
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model comprises the one group of selector fork unit assembled in a series arrangement, described selector fork unit quantity is mated with transmission gear figure place, in each selector fork unit, selector fork axle 1 is all set, shift fork 2, gearshift shifting block 3, spring steel ball holds down assembly the lock groove 5 of 4 and three bowl configurations, described shift fork 2 and gearshift shifting block 3 are fixedly mounted on selector fork axle 1, selector fork axle grafting assembling in adjacent two selector fork units, and by spring steel ball hold down assembly 4 and the lock groove 5 of three bowl configurations realize self-locking.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, a specific embodiment of the present utility model is five-gear manual transmission shift control mechanism, the selector fork unit assembled in a series arrangement comprises the first selector fork unit, the second selector fork unit and the 3rd selector fork unit that are arranged in order from top to bottom, first selector fork axle 1-1 of the first selector fork unit is the multidiameter shaft structure that upper diameter is large, lower diameter is little, arranges spring steel ball hold down assembly 4 in the lower end of the first selector fork axle 1-1; Upper half part of second selector fork axle 1-2 of the second selector fork unit is cavity structure, lower half portion is cylindrical structure, cavity structure inwall to be arranged and spring steel ball holds down assembly the lock groove 5 of 4 three bowl configurations mated, spring steel ball is set in cylindrical structure lower end and holds down assembly 4; Upper half part of 3rd selector fork axle 1-3 of the 3rd selector fork unit is cavity structure, and lower half portion is cylindrical structure, cavity structure inwall is arranged and spring steel ball holds down assembly the lock groove 5 of 4 three bowl configurations mated.
Referring to Fig. 7 ~ Figure 13, the working principle of five-gear manual transmission shift control mechanism is: during speed changer neutral position state, the spring steel ball of the first selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove in the middle of the second selector fork axle 1-2 cavity inner wall, the spring steel ball of the second selector fork axle 1-2 lower end holds down assembly and 4 to coordinate with the lock groove in the middle of the 3rd selector fork axle 1-3 cavity inner wall, realizes neutral auto-lock function (as shown in figure 13); When speed changer is linked into a gear by neutral, the gearshift shifting block 3 of the first selector fork unit drives the first selector fork axle 1-1 to move up, the spring steel ball of the first selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the second selector fork axle 1-2 cavity inner wall upper end, realizes a gear auto-lock function (as shown in Figure 7); When speed changer is linked into two gears by neutral, the gearshift shifting block 3 of the first selector fork unit drives the first selector fork axle 1-1 to move down, the spring steel ball of the first selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the second selector fork axle 1-2 cavity inner wall lower end, realizes two gear auto-lock functions (as shown in Figure 8); When speed changer is linked into three gears by neutral, the gearshift shifting block 3 of the second selector fork unit drives the second selector fork axle 1-2 to move up, the spring steel ball of the second selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the 3rd selector fork axle 1-2 cavity inner wall upper end, simultaneously the spring steel ball of the first selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the second selector fork axle 1-2 cavity inner wall lower end, realizes three gear auto-lock functions (as shown in Figure 9); When speed changer is linked into four gears by neutral, the gearshift shifting block 3 of the second selector fork unit drives the second selector fork axle 1-2 to move down, the spring steel ball of the first selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the second selector fork axle 1-2 cavity inner wall upper end, simultaneously the spring steel ball of the second selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the 3rd selector fork axle 1-2 cavity inner wall lower end, realizes four gear auto-lock functions (as shown in Figure 10); When speed changer is linked into five gears by neutral, the gearshift shifting block 3 of the 3rd selector fork unit drives the 3rd selector fork axle 1-2 to move up, the spring steel ball of the second selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the 3rd selector fork axle 1-2 cavity inner wall lower end, realizes five gear auto-lock functions (as shown in figure 11); When speed changer by neutral be linked into reverse gear time, the gearshift shifting block 3 of the 3rd selector fork unit drives the 3rd selector fork axle 1-2 to move down, the spring steel ball of the second selector fork axle 1-1 lower end holds down assembly and 4 to coordinate with the lock groove of the 3rd selector fork axle 1-2 cavity inner wall upper end, realizes reversing gear auto-lock function (as shown in figure 12).
Claims (4)
1. a shifting vehicle gearbox operating mechanism, it is characterized in that, comprise the one group of selector fork unit assembled in a series arrangement, described selector fork unit quantity is mated with transmission gear figure place, selector fork axle (1) is all set in each selector fork unit, shift fork (2), gearshift shifting block (3), spring steel ball holds down assembly (4) and the lock groove of three bowl configurations (5), described shift fork (2) and gearshift shifting block (3) are fixedly mounted on selector fork axle (1), selector fork axle grafting assembling in adjacent two selector fork units, and realize self-locking by the hold down assembly lock groove (5) of (4) and three bowl configurations of spring steel ball.
2. a kind of shifting vehicle gearbox operating mechanism according to claim 1, it is characterized in that, described selector fork unit comprises the first selector fork unit, the second selector fork unit and the 3rd selector fork unit that are arranged in order from top to bottom, first selector fork axle (1-1) of described first selector fork unit is the multidiameter shaft structure that upper diameter is large, lower diameter is little, arranges spring steel ball hold down assembly (4) in the lower end of the first selector fork axle (1-1).
3. a kind of shifting vehicle gearbox operating mechanism according to claim 2, it is characterized in that, upper half part of second selector fork axle (1-2) of described second selector fork unit is cavity structure, lower half portion is cylindrical structure, cavity structure inwall arranges the lock groove (5) of three bowl configurations that hold down assembly with spring steel ball (4) mate, spring steel ball is set in cylindrical structure lower end and holds down assembly (4).
4. a kind of shifting vehicle gearbox operating mechanism according to claim 3, it is characterized in that, upper half part of 3rd selector fork axle (1-3) of described 3rd selector fork unit is cavity structure, lower half portion is cylindrical structure, and cavity structure inwall arranges the lock groove (5) of three bowl configurations that hold down assembly with spring steel ball (4) mate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422817.3U CN204041978U (en) | 2014-07-30 | 2014-07-30 | A kind of shifting vehicle gearbox operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420422817.3U CN204041978U (en) | 2014-07-30 | 2014-07-30 | A kind of shifting vehicle gearbox operating mechanism |
Publications (1)
| Publication Number | Publication Date |
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| CN204041978U true CN204041978U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420422817.3U Active CN204041978U (en) | 2014-07-30 | 2014-07-30 | A kind of shifting vehicle gearbox operating mechanism |
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| CN (1) | CN204041978U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151505A (en) * | 2015-04-27 | 2016-11-23 | 长城汽车股份有限公司 | For the gearshift of vehicle and have the vehicle of this gearshift |
| CN106286821A (en) * | 2015-05-29 | 2017-01-04 | 安徽赛威机械有限公司 | A kind of shifting-fork gear-shifting assembly |
| CN107906196A (en) * | 2017-12-29 | 2018-04-13 | 綦江齿轮传动有限公司 | A kind of shift control mechanism of speed changer |
-
2014
- 2014-07-30 CN CN201420422817.3U patent/CN204041978U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151505A (en) * | 2015-04-27 | 2016-11-23 | 长城汽车股份有限公司 | For the gearshift of vehicle and have the vehicle of this gearshift |
| CN106151505B (en) * | 2015-04-27 | 2018-03-06 | 长城汽车股份有限公司 | Gearshift for vehicle and the vehicle with the gearshift |
| CN106286821A (en) * | 2015-05-29 | 2017-01-04 | 安徽赛威机械有限公司 | A kind of shifting-fork gear-shifting assembly |
| CN107906196A (en) * | 2017-12-29 | 2018-04-13 | 綦江齿轮传动有限公司 | A kind of shift control mechanism of speed changer |
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| GR01 | Patent grant |