CN101769374A - Gear shift assistor of vehicle - Google Patents
Gear shift assistor of vehicle Download PDFInfo
- Publication number
- CN101769374A CN101769374A CN 201010108874 CN201010108874A CN101769374A CN 101769374 A CN101769374 A CN 101769374A CN 201010108874 CN201010108874 CN 201010108874 CN 201010108874 A CN201010108874 A CN 201010108874A CN 101769374 A CN101769374 A CN 101769374A
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- arc groove
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Abstract
The invention relates to a gear shift assistor of a vehicle, which comprises a gear shift self-locking block and a spring self-locking pin, wherein the gear shift self-locking block is arranged on a gear shift shaft, the spring self-locking pin is used for locking the gear shift self-locking block, a gear shift travel section between a neutral-position arc-shaped groove and a forward engagement-position arc-shaped groove and a gear shift travel section between the neutral-position arc-shaped groove and a backward engagement-position arc-shaped groove on the gear shift self-locking block are both arranged into inclines, the distance bewteen the starting points of the gear shift travel sections close to one end of the neutral-position arc-shaped groove and the centre of the circle of the gear shift shaft is greater than the distance between the terminal points of the gear shift travel sections and the centre of the circle of the gear shift shaft, and the included angle formed by the gear shift travel sections and a straight line between the center of the neutral-position arc-shaped groove and the axle center of the gear shift shaft is 40-65 degrees. By improving the structure of a self-locking mechanism of a gear shift position, the invention can realize the locking of the gear shift position, can also form gear shift assistance during gear shift, lightens the gear shift strain of a driver, meets the driving comfort and also lowers the production cost.
Description
Technical field
The present invention relates to vehicle shift device field, particularly a kind of gear shift assistor of vehicle.
Background technique
Continuous development along with vehicle technology, travelling comfort to steering vehicle requires more and more higher, and one of important step of driving comfortability is exactly to require gearshift light, especially some heavy trucks, reason because of deadweight and load-carrying, gearshift is more not smooth usually when gearshift, in order to address this problem, has occurred various gear shift assistors at present.These gear shift assistors mainly contain two kinds of power-assisted modes: the one, and the synchronizer power-assisted of employing speed changer, promptly increase new boosting mechanism in the inside of synchronizer, to alleviate the gearshift power of synchronizer, a kind of novel Kyowa high performance synchronous device as the exploitation of German HOFER POWERTRAIN company, it adopts on gearshift synchronizer sliding sleeve and sets up power assisted gearshift spare, the chisel teeth that utilizes power assisted gearshift spare two axial ends to be provided with, when the synchronizer sliding sleeve is shifted gears conversion, form and regulate power-assisted, alleviate driver's gearshift firmly; The power assisted gearshift spare of this power assisted gearshift 8 is to be positioned on the synchronizer sliding sleeve 7 that cooperates with selector fork 6 (to see shown in Figure 6).The 2nd, adopt mode external or built-in cylinder to produce power-assisted, a cylinder 9 promptly is set is connected (seeing shown in Figure 7) with gearshift rocking arm 3, when gearshift, increase strength and form the power-assisted that promotes the gearshift rocking arm by cylinder operation, alleviate driver's gearshift firmly.These two kinds of power-assisted modes, all need increase component, but also need assemble, its structure is relative complex all, need to consider the mounting point, cause the structural design of speed change gear all will produce respective change, make the corresponding increase of cost of production, can't ensure the quality of products and the prerequisite of function under, reduce production costs.In existing speed changer structure, usually all be provided with drive range self-locking mechanism (seeing shown in Figure 8), this drive range self-locking mechanism is on the gearshift axle gearshift self-locking block to be set, it is corresponding with the gearshift self-locking block that the spring self-lock pin is set on case of transmission, be provided with the neutral position at gearshift self-locking block 10 circumference, the position of putting into gear forward, put into gear backward the position three arc grooves, the neutral position put into gear forward the position and put into gear between the position backward, neutral position arc groove 12 and put into gear forward an arc groove 13 and and put into gear backward respectively have respectively between the arc groove 14 one the gearshift trip segment 15, each gearshift trip segment is usually in 30 ° of scopes of central angle, these two gearshift trip segment are the arc section that overlaps with the arc of the self-locking block circumference of shifting gears, perhaps be and the vertical straightway of gearshift self-locking block radius that the starting point of each gearshift trip segment is identical apart from the distance in gearshift axle 4 centers of circle with terminal point.When the gearshift axle rotated, spring self-lock pin 11 can insert the corresponding arc groove automatically after neutral position process gearshift trip segment and form shift lock.Because this gearshift self-locking block structure is in shift process, just towards the direction in gearshift axle center, the gearshift trip segment is bigger to the reaction force of spring self-lock pin, causes shift control not smooth for the thrust that the spring self-lock pin produces, the driver is shifted gears firmly increase, allow people's discomfort; And existing gearshift self-locking mechanism also only has the function that automatically locks drive range, and do not have other functions.
Summary of the invention
The objective of the invention is deficiency at the prior art existence, a kind of gear shift assistor of vehicle is provided, it is by improving the structure of drive range self-locking mechanism, can realize the locking of gearshift position, can when gearshift, form power assisted gearshift again, alleviate driver's gearshift firmly, satisfy driving comfortability, compare with other power-assisted modes, also have the effect that reduces production costs.
The object of the present invention is achieved like this: comprise the gearshift self-locking block that is arranged on the gearshift axle, with the spring self-lock pin that is used to lock the gearshift self-locking block, described gearshift self-locking block protrudes from gearshift axle circumference, be respectively equipped with neutral position arc groove on the gearshift self-locking block, put into gear forward an arc groove and engage a gear position arc groove backward, its neutral position arc groove and an arc groove of putting into gear forward, one gearshift trip segment is respectively arranged respectively between the arc groove of engage a gear position backward, the described spring self-lock pin that is used to lock the gearshift self-locking block is installed in gear box casing, the spherical arc shape head end of this spring self-lock pin is over against neutral position arc groove, under the tension force effect of pressure spring, insert in the arc groove of neutral position, overhead gear arc groove of described gearshift self-locking block and the gearshift trip segment between the arc groove of putting into gear forward, and neutral position arc groove and the gearshift trip segment between the arc groove of engage a gear position backward, all be set to the inclined-plane, greater than the terminal point of the gearshift trip segment distance apart from the gearshift axle center of circle, the gearshift trip segment is 40～65 ° with arc groove center, neutral position to the angle between the straight line in a gearshift axle center to the gearshift trip segment by the distance in the start point distance of the neutral position arc groove one end gearshift axle center of circle.
A put into gear forward arc groove, the straight line in bottom land center to the gearshift axle axle center of engage a gear position arc groove, and the bottom land center of neutral position arc groove backward to the central angle between the straight line in gearshift axle axle center is respectively 20～40 °.
The inclined-plane of gearshift trip segment is a straight slope, or is parabolic bevel, or is the circular arc line inclined-plane.
Owing to adopted such scheme, with neutral position arc groove on the gearshift self-locking block of gearshift axle and the gearshift trip segment between the arc groove of putting into gear forward, and neutral position arc groove and the gearshift trip segment between the arc groove of engage a gear position backward, all be set to the inclined-plane, make the gearshift trip segment by the distance in the start point distance of the neutral position arc groove one end gearshift axle center of circle greater than the terminal point of gearshift trip segment distance apart from the gearshift axle center of circle.The driver handles gear level engage a gear or backward during engage a gear forward like this, the gearshift self-locking block is with rotating before shifting gears axially or rotating backward, the spring self-lock pin is withdrawed from from the arc groove of neutral position, being tight against inclined plane shape gearshift trip segment relatively moves, because the starting point of gearshift trip segment is higher than terminal point, the axle center line stretcher of spring self-lock pin is oblique with the gearshift trip segment and intersects, the spring self-lock pin is under the tension force effect of pressure spring, grant pressure by spherical arc shape head end to the gearshift trip segment, this pressure resolves into two pressure directions, a pressure direction is exerted pressure to the gearshift trip segment along the extension straight line of pressure spring, and this pressure direction is consistent with the self-lock pin installation direction; Partial pressure direction is perpendicular to the gearshift trip segment formation power assisted gearshift of exerting pressure, this partial pressure helps to promote the gearshift self-locking block and drives the gearshift axle and quicken to turn to the engage a gear locking bit, the spring self-lock pin can be inserted fast put into gear forward an arc groove or forms locking in the arc groove of engage a gear position backward.And gearshift trip segment and arc groove center, neutral position are to 40～65 ° of scopes of angle employing between the straight line in gearshift axle axle center, like this can be according to the power assisted gearshift size of vehicle needs, the angle of selecting to be suitable for this power assisted gearshift in this angular range is made gearshift trip segment inclined-plane.Also can realize simultaneously the size variation of power assisted gearshift by the tension force size of pressure spring.
An arc groove of putting into gear forward, the bottom land center of engage a gear position arc groove is to the straight line in gearshift axle axle center backward, and the bottom land center of neutral position arc groove to the angle between the straight line in gearshift axle axle center is 20～40 °, make put into gear a respectively and forward arc groove and the stroke distances of the gearshift trip segment between the arc groove of engage a gear position is moderate backward of neutral position arc groove, locking position after the self-locking block that both had been suitable for shifting gears rotates with the gearshift axle makes the gearshift trip segment have appropriate stroke distances to accept the power assisted gearshift of granting from the spring self-lock pin through the spring self-lock pin time again.
The present invention is simple in structure, and the improvement by to gearshift self-locking block structure need not increase component and cost of production, just can realize power assisted gearshift, improve the travelling comfort of gearshift when driving, and no longer adopt the synchronizer power-assisted mode or the cylinder power-assisted mode of speed changer, can reduce production costs.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the locking position of an engage a gear forward schematic representation of the present invention;
Fig. 3 is a power assisted gearshift schematic representation of the present invention;
Fig. 4 is the P place partial enlarged drawing of Fig. 3;
Fig. 5 is positioned at position view on the gearshift for the present invention;
Fig. 6 is the position view of the synchronizer power assisting device of prior art;
Fig. 7 is the cylinder power assisting device position view of prior art;
Fig. 8 is the structural representation of the drive range self-locking mechanism of prior art.
In the accompanying drawing, 1 is Joystick, and 2 is gear level, and 3 is rocking arm, 4 are the gearshift axle, and 5 is declutch shift shaft, and 6 is selector fork, 7 is the synchronizer sliding sleeve, and 8 is power assisted gearshift spare, and 9 is cylinder, 10 are the gearshift self-locking block, and 11 is the spring self-lock pin, and 12 is neutral circle of position arc fluting, 13 are engage a gear circle of position arc fluting forward, and 14 are engage a gear circle of position arc fluting backward, and 15 are the gearshift trip segment, 16 is pressure spring, and 17 is directional post, and 18 is gear box casing.
Embodiment
Referring to Fig. 1 to Fig. 4, gear shift assistor of vehicle of the present invention comprises the gearshift self-locking block 10 that is arranged on the gearshift axle 4, with the spring self-lock pin 11 that is used to lock the gearshift self-locking block, described gearshift self-locking block 10 protrudes from gearshift axle 4 circumference, is respectively equipped with neutral position arc groove 12, put into gear an arc groove 13 and engage a gear position arc groove 14 backward forward on the gearshift self-locking block 10.The described neutral position arc groove 12 and the arc groove 13 of putting into gear forward, backward have respectively between the engage a gear position arc groove 14 one the gearshift trip segment 15, two gearshift trip segment 15 all are set to the inclined-plane, the inclined-plane of gearshift trip segment 15 is a straight slope, each gearshift trip segment 15 by the starting point a of neutral position arc groove 12 1 ends apart from the distance in gearshift axle 4 centers of circle greater than the terminal point b of gearshift trip segment distance apart from gearshift axle 4 centers of circle.Described gearshift trip segment 15 and arc groove 12 centers, neutral position to the angle α between the straight line in gearshift axle 4 axle center be 40～65 °.Put into gear forward an arc groove 13, the straight line in bottom land center to gearshift axle 4 axle center of engage a gear position arc groove 14 backward, and the bottom land center of neutral position arc groove 12 is respectively 20～40 ° to the angle β between the straight line in gearshift axle 4 axle center, is good with 30 ° usually.The described spring self-lock pin 11 that is used to lock the gearshift self-locking block is installed in gear box casing 18, and the spherical arc shape head end of this spring self-lock pin 11 inserts under the tension force effect of pressure spring 16 in the neutral position arc groove 12 over against neutral position arc groove 12.Described spring self-lock pin 11 is a hollow pin, and this spring self-lock pin 11 is enclosed within on the pressure spring 16, and this pressure spring 16 is enclosed within on the directional post 17 that is fixed on the gear box casing 18, makes and leaves storage force-stroke distance between spring self-lock pin 11 and the gear box casing 18.
Referring to Fig. 5, when the present invention works, the driver drives gear level 2 actions by the Joystick 1 of handling gearshift, gear level 2 drives gearshift axle 4 by gearshift rocking arm 3 and rotates, gearshift self-locking block 10 on the gearshift axle 4 is with 4 rotations of gearshift axle, force spring self-lock pin 11 to be shunk back, from the arc groove of neutral position, move on the gearshift trip segment, propping up gearshift trip segment surface moves along the gearshift trip segment, at this moment spring self-lock pin 11 is granted the pressure of both direction to the gearshift trip segment that is the inclined-plane under the effect of pressure spring, the self-locking block 10 drive gearshift axles 4 that promote to shift gears rotate quickening generation power assisted gearshift, gearshift axle 4 rotates 5 motions of drive declutch shift shaft moves selector fork 6, selector fork 6 is stirred synchronizer sliding sleeve 7 and is moved on the axle of speed changer, drives driving gear and forms engagement with corresponding speed change gear, finishes gearshift.
The present invention not only is confined to the foregoing description, the inclined-plane of the gearshift trip segment on the described gearshift self-locking block also can adopt parabolic bevel or circular arc line inclined-plane, as long as form the gearshift trip segment by the starting point a of neutral position arc groove one end apart from the distance in the gearshift axle center of circle greater than the terminal point b of gearshift trip segment distance apart from the gearshift axle center of circle, and 40～65 ° of scopes are controlled to the angle α between the straight line in gearshift axle axle center in gearshift trip segment and arc groove center, neutral position, can realize power assisted gearshift equally, improve the comfortable travelling comfort of gearshift.
Structure of the present invention is used on heavy truck applicable to various vehicles, and the travelling comfort effect is especially obvious, and it is also more remarkable to reduce production costs.
Claims (4)
1. gear shift assistor of vehicle, comprise the gearshift self-locking block that is arranged on the gearshift axle, with the spring self-lock pin that is used to lock the gearshift self-locking block, described gearshift self-locking block protrudes from gearshift axle circumference, be respectively equipped with neutral position arc groove on the gearshift self-locking block, put into gear forward an arc groove and engage a gear position arc groove backward, its neutral position arc groove and an arc groove of putting into gear forward, one gearshift trip segment is respectively arranged respectively between the arc groove of engage a gear position backward, the described spring self-lock pin that is used to lock the gearshift self-locking block is installed in gear box casing, the spherical arc shape head end of this spring self-lock pin is over against neutral position arc groove, under the tension force effect of pressure spring, insert in the arc groove of neutral position, it is characterized in that: overhead gear arc groove of described gearshift self-locking block and the gearshift trip segment between the arc groove of putting into gear forward, and neutral position arc groove and the gearshift trip segment between the arc groove of engage a gear position backward, all be set to the inclined-plane, greater than the terminal point of the gearshift trip segment distance apart from the gearshift axle center of circle, the gearshift trip segment is 40～65 ° with arc groove center, neutral position to the angle between the straight line in a gearshift axle center to the gearshift trip segment by the distance in the start point distance of the neutral position arc groove one end gearshift axle center of circle.
2. gear shift assistor of vehicle according to claim 1, it is characterized in that: an arc groove of putting into gear forward, the straight line in bottom land center to the gearshift axle axle center of engage a gear position arc groove, and the bottom land center of neutral position arc groove backward to the central angle between the straight line in gearshift axle axle center are respectively 20～40 °.
3. gear shift assistor of vehicle according to claim 1 is characterized in that: the inclined-plane of gearshift trip segment is a straight slope.
4. gear shift assistor of vehicle according to claim 1 is characterized in that: the inclined-plane of gearshift trip segment is parabolic bevel or circular arc line inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010108874 CN101769374B (en) | 2010-02-11 | 2010-02-11 | Gear shift assistor of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010108874 CN101769374B (en) | 2010-02-11 | 2010-02-11 | Gear shift assistor of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101769374A true CN101769374A (en) | 2010-07-07 |
| CN101769374B CN101769374B (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010108874 Active CN101769374B (en) | 2010-02-11 | 2010-02-11 | Gear shift assistor of vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN101769374B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633093A (en) * | 2014-12-05 | 2015-05-20 | 奇瑞汽车股份有限公司 | Gear shifting assisting device |
| CN105090493A (en) * | 2014-05-09 | 2015-11-25 | 上汽通用五菱汽车股份有限公司 | Self locking system of MT (Manual Transmission) gear shifting mechanism |
| CN106812928A (en) * | 2015-11-25 | 2017-06-09 | 长城汽车股份有限公司 | A kind of gear shift barrier |
| CN110094501A (en) * | 2019-04-17 | 2019-08-06 | 北京航天发射技术研究所 | A kind of gas-cutting off device in advance for power assisted gearshift system |
| CN111946815A (en) * | 2019-05-17 | 2020-11-17 | Zf 腓德烈斯哈芬股份公司 | Locking device and transmission |
| CN112098811A (en) * | 2020-10-11 | 2020-12-18 | 强一半导体（苏州）有限公司 | Driving structure for amplitude modulation probe card |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087543B (en) * | 2016-11-22 | 2019-09-17 | 上海汽车集团股份有限公司 | Manual transmission and its gearshift, module of putting into gear |
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| CN100535485C (en) * | 2004-02-13 | 2009-09-02 | 卢克摩擦片和离合器两合公司 | Operating device for speed changer |
| CN201310617Y (en) * | 2008-12-05 | 2009-09-16 | 上海汽车变速器有限公司 | Shifting locator of gear box |
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| FR2730540A1 (en) * | 1995-02-15 | 1996-08-14 | Systeco Sa | Safety catch for manual gearbox for motor vehicles operated from gear shift lever |
| CN1322638A (en) * | 2000-05-05 | 2001-11-21 | 易通公司 | Stop pin and neutral gear sensor assembly |
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| CN100535485C (en) * | 2004-02-13 | 2009-09-02 | 卢克摩擦片和离合器两合公司 | Operating device for speed changer |
| CN101443581A (en) * | 2006-05-10 | 2009-05-27 | 孔斯贝格汽车公司 | Apparatus and method for changing gear in mechanical gearboxes |
| WO2008027054A1 (en) * | 2006-09-01 | 2008-03-06 | Mack Trucks, Inc. | Manual transmission with a gearshift locking arrangement and method |
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| CN201093061Y (en) * | 2007-09-30 | 2008-07-30 | 重庆建设摩托车股份有限公司 | Shifting position limitation device for engine gear shift mechanism |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090493A (en) * | 2014-05-09 | 2015-11-25 | 上汽通用五菱汽车股份有限公司 | Self locking system of MT (Manual Transmission) gear shifting mechanism |
| CN104633093A (en) * | 2014-12-05 | 2015-05-20 | 奇瑞汽车股份有限公司 | Gear shifting assisting device |
| CN106812928A (en) * | 2015-11-25 | 2017-06-09 | 长城汽车股份有限公司 | A kind of gear shift barrier |
| CN110094501A (en) * | 2019-04-17 | 2019-08-06 | 北京航天发射技术研究所 | A kind of gas-cutting off device in advance for power assisted gearshift system |
| CN110094501B (en) * | 2019-04-17 | 2020-08-04 | 北京航天发射技术研究所 | A device of cutting off gas in advance for helping hand system of shifting |
| CN111946815A (en) * | 2019-05-17 | 2020-11-17 | Zf 腓德烈斯哈芬股份公司 | Locking device and transmission |
| CN111946815B (en) * | 2019-05-17 | 2024-03-01 | Zf 腓德烈斯哈芬股份公司 | Locking device and transmission device |
| CN112098811A (en) * | 2020-10-11 | 2020-12-18 | 强一半导体（苏州）有限公司 | Driving structure for amplitude modulation probe card |
| CN112098811B (en) * | 2020-10-11 | 2021-05-11 | 强一半导体（苏州）有限公司 | Driving structure for amplitude modulation probe card |
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| Publication number | Publication date |
|---|---|
| CN101769374B (en) | 2013-07-10 |
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