CN2799311Y - Gear shifting device of automobile - Google Patents
Gear shifting device of automobile Download PDFInfo
- Publication number
- CN2799311Y CN2799311Y CN 200520034456 CN200520034456U CN2799311Y CN 2799311 Y CN2799311 Y CN 2799311Y CN 200520034456 CN200520034456 CN 200520034456 CN 200520034456 U CN200520034456 U CN 200520034456U CN 2799311 Y CN2799311 Y CN 2799311Y
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- Prior art keywords
- gear
- unit
- shift lever
- shifting device
- gear shifting
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Abstract
The utility model relates to a gear shifting device of an automobile. One end of a gear shifting bar is connected with an eccentric swinging position of an eccentric swinging unit by a rotatable type connecting structure through a transition transmission unit which has the function of the conversion of linear and rotation. Gear shifting bar can be reciprocated along the axis direction of the length and / or can be swung by taking a length axis as an axle. The eccentric swinging unit can be driven by a drive mechanism. When the swinging range of the eccentric swinging unit lies in the swinging limiting positions of both sides, a sharp included angle between the radical direction of the eccentric connecting position and the linear motion direction of the transition transmission unit is from 0 DEG to 30 DEG. Used as a gear shifting drive mechanism with high positioning accuracy, the utility model can make up the errors generated by electrons, electric appliances, etc. of an automatic actuating mechanism. The utility model adapts and meets the position requirement of high precision of the gear shifting bar.
Description
Technical field
The utility model relates to a kind of gear choosing and gear shifting device of self-propelled vehicle, the gear choosing and gear shifting device in particularly a kind of automatic guidance transmission for vehicles.
Background technology
Shifting apparatus in the current mobility car Transmission gear converter technique includes gear selecting and two mechanisms of gear shift.These two mechanisms are connected in by one respectively and can move back and forth vertically and/or be handled around the shift fork on the gear-shift lever that selects of this axis rotary oscillation, when elected gear-shift lever rotates, shift fork is selected the allocating slot on the respective notch slide bar respectively, to finish a gear selecting action; When elected gear-shift lever was mobile vertically, shift fork drove slide bar by allocating slot and moves, and finished a gear shift action.Difference according to the change-speed box inner structure is provided with also can exist and above-mentioned opposite motion and function corresponding relation.In addition, also exist in the part speed changer structure and will select gear shift to take apart to become independently selection lever and gear-shift lever or the like.
Be to finish gear selecting and gearshift procedure in the conventional art by one of manual handling and the leverage that selects gear-shift lever to be hinged.Selecting in the gear shift technical field of automobile mechanical transmission, the shelves manipulation of advancing that gear-shift lever is carried out exists very high position accuracy demand, it directly translates into the mesh degree of current two variable gears: if it is not enough to advance grade stroke, depth of engagement is not enough between gear, backlash increases, and can cause phenomenon out of supply when serious; If to advance grade stroke excessive, two gear overclosures then, these situations all will cause the severe wear of variable gear.For avoiding the generation of this phenomenon, in traditional manual operation, finish the artificial shifter bar that discharges behind the shift control, after gear-shift lever loses the external force effect, it is locked on the rational position by a self-locking bulb.
Under the above-mentioned situation,, advance shelves and finish the back, so the execution precision of actuating unit is just appeared out the importance of self suddenly owing to there is not the condition of a release actuating force when shift control is when carrying out by automechanism.In known relevant therewith actuating unit classification, all exist error in varying degrees.For example, when adopting hydraulic way as actuating unit, the electromagnetic switch of control oil channel valve exists the time constant of electromagnetic response; During as actuating unit, except that the factor of time constant, also there is the mechanical rotation inertia of motor rotor with electrical motor.The error that these intrinsic factors cause is all irrelevant with the mode of artificial control.No matter be and for example with simulation control or digital control, equally also irrelevant with control character, as a kind of open loop control or a kind of closed loop control or the like.In addition, precision from requisite position transduser to power element also may change with the variation of external condition such as the temperature in field, humidity, height above sea level, vehicle-mounted voltage, switching speed and/or mode of operation, and these tend to further strengthen above-mentioned error.
For overcoming these defectives, had different improved forms at operatorless device with selecting the annexation between the gear-shift lever, and different separately effects can have been arranged.For example,, in 416 " control system of speed variator " that propose, adopt, pass through a screw mechanism on the worm-wheel shaft again, and pass through two actions of the spring in gear-shift lever in the both sides of threaded nut with the direct motor drive worm and wormwheel in US Patent 4,449.In its gearshift procedure, electrical motor rotate to drive moving of nut, thereby oppresses a spring on the direction, makes gear-shift lever finish a gear shift action by the elastic force of spring.Like this, between actuating unit and gear-shift lever, realized that a kind of elasticity is connected,, also can be compensated, avoided above-mentioned harm variable gear by the elasticity annexation even actuating unit has a less error.Flexible connection mechanism similarly also once had more report in some other document, be not repeated.Adopt these flexible connection mechanisms all can have a common weakness, be after gearshift procedure is finished, spring is remaining the compressing power to gear-shift lever, and this compressing power must cause the transition scuffing thereby make greater than the summation of gearshift procedure gear engaging power and synchro simultaneous force again between variable gear.For solving this phenomenon, in nearly all similar means all to gear-shift lever or carry out the mode of mechanical position limitation, as being to adopt position-limited trough and position limiting slide block to reach this purpose in the above-mentioned US Patent.Because gearshift procedure needs bigger external force on the one hand, on the other hand after synchro is finished synchronously, the resistance of gear shift is eliminated, under the constant situation of outer application force, form a kind of impact in two variable gear ingear moments, this impact will directly act on above-mentioned mechanical position limitation mechanism, accuracy of positioning be changed, and variable gear is caused direct harm.
Notification number is that the Chinese patent literature of CN2361505Y discloses a kind of " electricity powered automatic mechanical transmission ", the bearing pin that is connected on the gear in its gear-selecting and shifting executing mechanism is stirred the shift fork that selects gear-shift lever by it and is made and select gear-shift lever to carry out axial motion.Be appreciated that by the common mechanical principle, its described pin can only be a kind of straight pin, with shift fork can only be a kind of line contact relation, for obtaining bigger stroke distances, need to increase the rotational angle of gear, thereby can cause the friction stroke between pin and the shift fork to increase, be unfavorable for the work life of this mechanism.
Notification number is that the Chinese patent literature of CN2323999Y also discloses a kind of " vehicle automatic range conversion controller ", wherein by an eccentric shoe that an end that selects gear-shift lever is connected, slide block embeds in a kind of groove of circular cam, drive the axial rotation of selecting gear-shift lever and move by cam rotation, thereby realize selecting the automatic guidance of gear shift, though wherein can obtain the error that actuating unit forms aspect gear shift, but because of it acts on the berth-changing strength that selects that selects on the shift shaft all is a kind of component, be applied to case of transmission and select gear-shift lever with the useless component of a certain direction under the heavy load conditions, cause wearing and tearing between the two, influenced the accuracy of mesh between variable gear thus, so the load characteristic of shift process is not good.
The utility model content
At above-mentioned situation, the purpose of this utility model is to provide a kind of accuracy of positioning high gear choosing and gear shifting device from the mechanics angle, to remedy the error that in the gear-selecting and shifting executing mechanism of automatic gear-shifting vehicle, causes, to adapt to the high precision position requirement of gear-shift lever because of aspects such as electronics, electrical equipment.
The gear choosing and gear shifting device of the utility model self-propelled vehicle, be to move back and forth and/or serve as the gear shift action actuating station of selecting gear-shift lever of axle swing along its length axes direction with this length axes, with turnable connection structure, radial type structure, tilting bearing or oscillating bearings such as for example common hinge with turning cylinder, bulb hinge and shift fork structure etc. have the connection structure of rotatable function, through having the transition gear unit of linearity/rotation translation function, be connected in the eccentric swing position of the eccentric swing unit that can drive by driver train.The hunting range of wherein said this eccentric swing unit is in when rolling to each side end position for it, and the sharp angle between the radial direction of this off-centre connecting portion on it and the direction of linear motion of transition gear unit is 0 °～30 °.
The form of said this eccentric swing unit in the said structure generally can be adopted as the rocker style configuration with extend radially, and the said and point of connection transition gear unit can be positioned at the eccentric position of rocking arm of its extend radially; Also can be adopted as the rotor wheel structure of common form, said and point of connection this transition gear unit then can be positioned at the eccentric position of its sagittal plane.
Which kind of form no matter above-mentioned the concrete structure of eccentric swing unit adopt, what it was done under driver trains such as motor drive all is to move around the swing form of its center shaft, all need by having the mode of motion translation function this transition gear unit its be connected with selecting gear-shift lever so that select the gear-shift lever crank motion in the required range of linearity and/or the crank motion in the angular position range when realizing gear selecting, shift.The simplest, commonly used form with this transition gear unit of mode of motion translation function, can adopt a kind of its two ends respectively with turnable connection structure such as above-mentioned hinged, shift fork respectively with select gear-shift lever and eccentric swing unit bonded assembly driving connecting rod structure.
Said transition gear unit is different with the connection mode of selecting gear-shift lever, and the eccentric swing unit drives the mode of motion that selects gear-shift lever by its transmission also can be corresponding different.For example, make the transition gear unit and select the point of connection of gear-shift lever to be positioned on the length axes direction of selecting gear-shift lever, can make and select gear-shift lever under the reciprocally swinging driving of eccentric swing unit, to be implemented in locational corresponding the moving back and forth of linear direction; Make transition gear unit and the point of connection that selects gear-shift lever be positioned at the eccentric position of the sagittal plane extending structure vertical, then can make and select gear-shift lever under the reciprocally swinging driving of eccentric swing unit, to realize moving with the another kind of reciprocally swinging formula of its length axes axis of orientation with the length axes of selecting gear-shift lever.Said this sagittal plane extending structure vertical under the latter event with the length axes of selecting gear-shift lever, version the most simply and easily is to adopt as shown in one embodiment to select the upwardly extending rocker structure in sagittal plane side of gear-shift lever at said this.
Be appreciated that by mechanistic groundwork, the movement relation of above-mentioned eccentric swing unit (for example above-mentioned a kind of rocking arm) and transition gear unit (for example above-mentioned a kind of connecting rod) is: for the same swing corner unit of eccentric swing unit, when the radial direction (for example length direction of above-mentioned rocking arm) and the angle theta between transition gear unit (for example direction of linear motion of above-mentioned connecting rod) of eccentric point of connection are more little, the linear movement distance of transition gear unit is more little; Level off to 0 ° the time in angle theta, in the same swing corner unit of eccentric swing unit, the linear movement distance of transition gear unit also levels off to 0.This groundwork is applied to producing in the said apparatus of the present utility model very desirable and satisfied effect:
At first, based on the groundwork of change-speed box, gear-shift lever has three position relations, and wherein Yun Dong two ends end position is respectively the engage position of two corresponding shifting gears; The middle part of two limit positions then is a Neutral Position.Because neutral gear does not relate to the engagement of variable gear, so positional precision is not had higher requirement.When gear-shift lever is in two end positions, be that variable gear is in engage position, this position just that is to say the end position at the swing two ends, eccentric swing unit in the utility model device, above-mentioned angle theta also is in a minimum value scope.To be very limited to the influence of gear meshing degree this moment when producing a corner deviation as if drive mechanism eccentric swing unit such as controlling and driving motors.
Secondly, berth-changing strength when the transfer law of power is also with gear shift between eccentric swing unit and the transition gear unit adapts: when elected gear-shift lever is positioned at Neutral Position, between eccentric swing unit and the transition gear unit this is connected that angle theta is in or near 90 ° maximum angle, the kinematic velocity of transition gear unit this moment on direction of linear motion is the fastest, under the constant situation of moment of torsion of the driver train that drives eccentric swing unit rotary oscillation, the moment that form this moment is minimum relatively; And when moving when carrying out gear shift to a certain gear from Neutral Position, the eccentric swing unit is to rotate to the direction of its swing limit point, along with reducing gradually of this angle theta between itself and transition gear unit, the kinematic velocity of transition gear unit on its direction of linear motion slows down gradually, and the moment of formation is corresponding to be increased gradually.This situation in the inner role and influence that produce of change-speed box is: during at Neutral Position, owing to be in released state between the variable gear, gear-shift lever is load not; When gear shift, gear-shift lever is to the engagement direction motion of variable gear, and at first be subjected to one from the ascending friction drag of synchro (simultaneous force), after finishing synchronously in the two gear mesh processes, also be subjected to simultaneously from gear meshing power (gear engaging power), therefore reflect a kind of ascending change procedure of moment that needs.In addition, in above-mentioned synchronizing process, also need certain synchronization time, when synchronization time is too short, can aggravate the wearing and tearing of synchronizing sleeve, and when engagement process, form impact or the like.
Can fully understand that thus the motion characteristics of the utility model said apparatus, to aspects such as the transfer law of moment and movement position rules is to coincide mutually and adapt to the actual motion feature of speed variator shift process and the characteristics of motion etc.
In the said apparatus of the present utility model, be used at eccentric swing unit and transition gear unit, and/or at the transition gear unit and select said this turnable connection structure of bonded assembly between gear-shift lever, especially with the structure of forms such as radial type structure, tilting bearing or oscillating bearing such as the hinge that adopts as have turning cylinder, bulb hinge for well, because it is the work of a kind of the way of contact when being in transmission connection, therefore when the corner of eccentric swing unit increases, can not impact a certain drive element.
Below, foregoing of the present utility model is described in further detail again by the specific embodiment by the accompanying drawing illustrated embodiment.
Description of drawings
Fig. 1 is the scheme drawing of a kind of structural principle of the utility model gear choosing and gear shifting device.
Fig. 2 be among Fig. 1 P to the structure of state and make the basic principle schematic of linear reciprocal movement.
Fig. 3 is the scheme drawing of the another kind of structural principle of the utility model gear choosing and gear shifting device.
Fig. 4 is a kind of structural representation with the utility model gear choosing and gear shifting device of composite structure form.
The specific embodiment
Illustrated in figures 1 and 2, be a kind of version of the utility model gear choosing and gear shifting device.Can along its length axes direction move back and forth and/or with this length axes serve as axle swing select gear-shift lever 4, end with its length direction is articulated in connecting rod 2 one ends with bolt end construction through hinged cover 3, another bolt structure end of connecting rod 2 then be articulated in can under driver train drives, do reciprocally swinging the swing end of eccentering arm 1.The hunting range of eccentering arm 1 should be when it and is in when rolling to each side end position, and it is sharp angle θ≤30 between the vibration-direction of (being the length of eccentering arm) direction and connecting rod 2 ° radially.Select gear-shift lever 4 the hinged cover 3 of combined type to be connected with connecting rod through being hinged with orthogonal manner, can not can when selecting gear-shift lever to rotate the formation mechanical interference.When eccentering arm 1 reciprocally swinging, drivening rod 2 is based on the crank motion of horizontal direction, and start hinged cover 3 do along select shift lever shaft to horizontal motion.Since hinged cover 3 with select homoaxial groove socket on the gear-shift lever, can drive and select gear-shift lever to move merit vertically, to finish a gear selecting or gearshift procedure.State when Fig. 2-A and 2-B have represented respectively that eccentering arm 1 is rocked to end position on two different directions, this moment this eccentering arm 1 the vibration-direction of radial direction and connecting rod 2 between sharp angle θ answer≤30 °.By being not difficult to find out among the figure: eccentering arm 1 is in A shows the identical corner unit of direction, and angle theta is more little, selects moving axially of gear-shift lever 4 also corresponding more little apart from B; When angle theta levels off to 0 the time, what connecting rod moved also levels off to 0 apart from B.
Shown in Figure 3, be the another kind of version of the utility model gear choosing and gear shifting device.Be with the difference of structure shown in Figure 2, with these connecting rod 2 ends of selecting gear-shift lever 4 to be connected is not to be connected the length axes direction position of selecting gear-shift lever 4, but is connected the swing end of radially extending Rocker arm 5 vertical with its length axes direction in hinged way.The reciprocating motion type transmission of the swing of eccentering arm 1 by connecting rod 2 can make this radial arm 5, and drive and select gear-shift lever 4 to finish motion around the reciprocally swinging formula of selecting gear-shift lever 4 major axis synchronously, to finish a gear selecting or gearshift procedure.Identical with the situation of last example: eccentering arm 1 is in C shows a same units corner of direction, and this angle theta that eccentering arm 1 and connecting rod are 2 is more little, selects the rotational angle D of swing of gear-shift lever 4 also more little; When this angle theta levels off to 0 the time, the rotational angle D of swing also levels off to 0.
Fig. 4 is with a kind of gear choosing and gear shifting device version with composite structure after Fig. 1 and two kinds of structures combinations of Fig. 3.Wherein select gear-shift lever 4 with its end directly with connecting rod 21, with and the radially extension Rocker arm 5 located of end respectively through two connecting rods 21 and 22, each is connected with 12 with an eccentering arm 11, wherein, what two coupling ends of connecting rod 22 adopted respectively is that a kind of tilting bearing or oscillating bearing 6 are connected with Rocker arm 5 with eccentering arm 12, connecting rod 22 is caused mechanical interference when avoiding selecting gear-shift lever 4 to move axially.Its working process respectively with the similar of Fig. 2 and Fig. 3: eccentering arm 11 can drive through connecting rod 21 and select gear-shift lever 4 to make linear reciprocal movement; Eccentering arm 12 can drive the hunting motion of selecting gear-shift lever 4 to do around the reciprocating type rotation of its major axis through connecting rod 22.
Can be to having clearer understanding in of the present utility model by the above embodiments, but these embodiment should be interpreted as it is restriction to the utility model subject area.Not breaking away from and changing under the above-mentioned technological thought situation of the utility model,, all belong to scope of the present utility model equally according to the ordinary skill knowledge of this area and/or the replacement or the change of other various ways that customary means is made.
Claims (10)
1. the gear choosing and gear shifting device of self-propelled vehicle, it is characterized in that can along its length axes direction move back and forth and/or with this length axes serve as the end that selects gear-shift lever (4) of axle swing with turnable connection structure through having the transition gear unit (2) of linearity/rotation translation function, be connected in the eccentric swing position of the eccentric swing unit (1) that can drive by driver train, the hunting range of eccentric swing unit (1) is in when rolling to each side end position for it, and the sharp angle between the direction of linear motion of the radial direction of this off-centre connecting portion on it and transition gear unit (2) is 0 °～30 °.
2. the gear choosing and gear shifting device of self-propelled vehicle as claimed in claim 1 is characterized in that said eccentric swing unit (1) for having the rocker style configuration of extend radially, is positioned at the eccentric position of rocking arm of its extend radially with the point of connection of transition gear unit (2).
3. the gear choosing and gear shifting device of self-propelled vehicle as claimed in claim 1 is characterized in that said eccentric swing unit (1) is the rotor wheel structure, and said and point of connection this transition gear unit (2) is positioned at the eccentric position of its sagittal plane.
4. the gear choosing and gear shifting device of self-propelled vehicle as claimed in claim 1, it is characterized in that said transition gear unit (2) for two ends respectively with turnable connection structure with select gear-shift lever (4) and eccentric swing unit (1) bonded assembly driving connecting rod.
5. the gear choosing and gear shifting device of self-propelled vehicle as claimed in claim 1 is characterized in that said transition gear unit (2) and selects the point of connection of gear-shift lever (4) to be positioned on the length axes direction of selecting gear-shift lever (4).
6. the gear choosing and gear shifting device of self-propelled vehicle as claimed in claim 1 is characterized in that said transition gear unit (2) and the point of connection that selects gear-shift lever (4) are positioned at the position of the sagittal plane extending structure (5) vertical with the length axes of selecting gear-shift lever (4).
7. the gear choosing and gear shifting device of self-propelled vehicle as claimed in claim 6 is characterized in that the said sagittal plane extending structure (5) vertical with the length axes of selecting gear-shift lever (4) is upwardly extending second rocking arm in said sagittal plane side.
8. as the gear choosing and gear shifting device of the described self-propelled vehicle of one of claim 1 to 7, it is characterized in that said turnable connection structure is the hinge type structure.
9. as the gear choosing and gear shifting device of the described self-propelled vehicle of one of claim 1 to 7, it is characterized in that said transition gear unit (2) and selecting the turnable connection structure between gear-shift lever (4) is the combined type hinge arrangement that is hinged with orthogonal manner.
10. as the gear choosing and gear shifting device of the described self-propelled vehicle of one of claim 1 to 7, it is characterized in that said turnable connection structure is bearing pin/fork type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034456 CN2799311Y (en) | 2005-06-10 | 2005-06-10 | Gear shifting device of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520034456 CN2799311Y (en) | 2005-06-10 | 2005-06-10 | Gear shifting device of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799311Y true CN2799311Y (en) | 2006-07-26 |
Family
ID=36841808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520034456 Expired - Fee Related CN2799311Y (en) | 2005-06-10 | 2005-06-10 | Gear shifting device of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2799311Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676139B (en) * | 2008-09-16 | 2013-12-25 | 德韧汽车系统有限公司 | Actuating device for shifting and activating brake device |
-
2005
- 2005-06-10 CN CN 200520034456 patent/CN2799311Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676139B (en) * | 2008-09-16 | 2013-12-25 | 德韧汽车系统有限公司 | Actuating device for shifting and activating brake device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SANXING INDUSTRIAL DEVELOPMENT CO., LTD., JIANGXI Free format text: FORMER OWNER: CHENGDU EMTA HIGH-TECH CO., LTD. Effective date: 20080104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080104 Address after: C, building 601, Sanxing building, 289 West Station Road, Jiangxi, Nanchang, China, 330002 Patentee after: Jiangxi Sanxing Industiral Co., Ltd. Address before: No. two, 1, Ke garden, Chengdu hi tech Zone, Sichuan, China: 610041 Patentee before: Chengdu Emta High-Tech Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: NANCHANG ZHENGDAO SCIENTIFIC AND TECHNICAL INDUSTR Free format text: FORMER OWNER: JIANGXI SAMSUNG INDUSTRIAL DEVELOPMENT CO., LTD. Effective date: 20100330 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 330002 601, TOWER C, SAMSUNG BUILDING, NO.289, ZHANQIAN WEST ROAD, NANCHANGCITY, JIANGXI PROVINCE TO: 330039 NORTH SECTION, QINGSHANHU AVENUE, NANCHANG CITY, JIANGXI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100330 Address after: 330039 north section of Qingshan Lake Road, Jiangxi, Nanchang Patentee after: Nanchang Zhengdao Technology Industries Co.,Ltd. Address before: 330002 C building, Sanxing building, 289 West Station Road, Nanchang, Jiangxi, 601 Patentee before: Jiangxi Sanxing Industiral Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060726 Termination date: 20120610 |