CN104373584B - A kind of selector for double-clutch automatic gearbox - Google Patents

A kind of selector for double-clutch automatic gearbox Download PDF

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Publication number
CN104373584B
CN104373584B CN201310355067.2A CN201310355067A CN104373584B CN 104373584 B CN104373584 B CN 104373584B CN 201310355067 A CN201310355067 A CN 201310355067A CN 104373584 B CN104373584 B CN 104373584B
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CN
China
Prior art keywords
drag
selector
shift bar
double
center
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Active
Application number
CN201310355067.2A
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Chinese (zh)
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CN104373584A (en
Inventor
谭火南
刘志刚
文韬
郑威
陈振文
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN201310355067.2A priority Critical patent/CN104373584B/en
Publication of CN104373584A publication Critical patent/CN104373584A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • F16H59/105—Range selector apparatus comprising levers consisting of electrical switches or sensors
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/36—Generation or transmission of movements for final actuating mechanisms with at least one movement being transmitted by a cable
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/026—Details or special features of the selector casing or lever support

Abstract

The present invention provides a kind of selector for double-clutch automatic gearbox, including: shift bar assembly, including becoming first and second of bending relation, be provided with the location division downwardly extended at the end of second, this shift bar assembly can rotate around the first center of rotation being arranged on first end；Shift bar, is connected with this shift bar assembly；Drag-line connects fork, is provided with the groove for accommodating location division, and one of them plane adjacent with groove is the planing surface slided for this location division, is provided with the second center of rotation；This drag-line connects fork can connect the second center of rotation rotation bottom fork around being arranged on drag-line, and makes coupled gear shift pulling cable have stroke output, for realizing R shelves or the P shelves of shift bar；When this position point is on this planing surface, it is used for realizing other gears of this shift bar.The present invention uses brand-new technical scheme to make selector no longer for drag-line total travel formula selector, the use of minimizing drag-line.

Description

A kind of selector for double-clutch automatic gearbox
Technical field
The present invention relates to automobile technical field, particularly to a kind of for double-clutch automatic gearbox Selector.
Background technology
Double-clutch automatic gearbox (Dual Clutch Transmission, DCT) is as a kind of new Type automatic transmission, combines electric control mechanical speed changer (Automatic Manual Transmission, AMT) transmission efficiency high, mechanism simple, good, the manufacturing cost that produces inheritance Numerous advantages such as low and automatic transmission (Automatic Transmission, AT) power shift excellent Point, has good gear shifting quality and power performance, economy.
Growing along with automobile industry, double-clutch speed changer is increasingly used on vehicle. Therefore the demand of the selector being developed for double-clutch automatic gearbox is occurred in that.Use on the market at present Selector in double-clutch automatic gearbox is drag-line total travel formula selector, i.e. shift bar often warp Cross a gear, gear shift pulling cable corresponding sports one segment distance, the principle of this kind of selector with for double from The selector of clutch automatic transmission is consistent, it is seen then that be not the most specifically designed to double clutch in prior art The selector of device automatic transmission.
Summary of the invention
The features and advantages of the present invention are partly stated, or can show from this description And be clear to, or can learn by putting into practice the present invention.
For overcoming problem of the prior art, the present invention provides a kind of for double-clutch automatic gearbox Selector, uses shift bar assembly and drag-line to connect the technical scheme that fork cooperates, so that changing Frequency modulator is no longer drag-line total travel formula selector, reduces the use of drag-line.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem used:
According to an aspect of the present invention, it is provided that a kind of selector for double-clutch automatic gearbox, Including shift bar assembly, including becoming first and second of bending relation, at this second End is provided with the location division downwardly extended, and has the first center of rotation at this end of first, and this changes Lever assembly can rotate around this first center of rotation；Gear level, is connected with this shift bar assembly；Drag-line Connect fork, be provided with the groove for accommodating this location division, one of them plane adjacent with this groove For the planing surface slided for this location division, this drag-line connects the bottom of fork and is provided with the second center of rotation； This drag-line connects fork and can rotate around this second center of rotation, and makes coupled gear shift pulling cable have Stroke exports, for realizing R shelves or the P shelves of shift bar；When this position point is on this planing surface, should Drag-line connects fork and does not rotates, and makes this gear shift pulling cable not have stroke to export, and is used for realizing this shift bar Other gears.
According to one embodiment of present invention, this location division cross section vertically by the first vertical edge, Second vertical edge and the first horizontal edge surround, and this first vertical edge is with this first horizontal edge by the first circular arc even Connecing, this first circular arc is used for sliding on this planing surface.
According to one embodiment of present invention, this first circular arc comes from the first center of rotation as the center of circle Circumference.
According to one embodiment of present invention, this planing surface is an arc section, this arc section with this first Circular arc is from same circumference.
According to one embodiment of present invention, when this position point is in this groove, this first vertical edge Respectively and contact with two drift angles of this groove with the second vertical edge, to prevent this drag-line from connecting fork rotation Turn.
According to one embodiment of present invention, this direction slided towards this bottom portion of groove tilts, so that This location division can smoothly be slided on this planing surface.
According to one embodiment of present invention, the first group of sensing being arranged on pcb board assembly is also included Device, this shift bar assembly is additionally provided with a permanent magnet, for not having stroke to export at this gear shift pulling cable Time, trigger this sensor to determine the gear residing for this shift bar.
According to one embodiment of present invention, this pcb board assembly is additionally provided with second group of sensor, uses In time having stroke to export at this gear shift pulling cable, further determine that the gear residing for this shift bar.
The invention provides a kind of selector for double-clutch automatic gearbox, including can be around first Center of rotation rotate shift bar assembly and can around second center of rotation rotate drag-line connect fork, And the location division on this shift bar assembly can this drag-line connect fork planing surface on slide, and when should When the location division of shift bar is slided on this planing surface, the gear shift pulling cable being connected fork with drag-line connected does not has Stroke is had to export.The present invention is by the sensor on pcb board assembly and the permanent magnetism on shift bar assembly Ferrum cooperation determines the gear residing for this shift bar and is distributed in CAN network.The selector of the present invention subtracts Lack the use to drag-line, the selector of double-clutch automatic gearbox can be preferably applied for.And this Invent the ingenious drag-line connecting pin utilized on shift bar assembly and realize the function of automatic transmission (AT).
By reading description, those of ordinary skill in the art will be best understood these technical schemes Feature and content.
Accompanying drawing explanation
Below with reference to accompanying drawing and combine example and be specifically described the present invention, advantages of the present invention and reality Existing mode will become apparent from, and wherein content shown in accompanying drawing is only used for explanation of the present invention, and Do not constitute the restriction gone up in all senses to the present invention, in the accompanying drawings:
Fig. 1 is that the shift bar assembly of the embodiment of the present invention connects the schematic diagram slided on fork at drag-line.
Fig. 2 is the structural representation of the shift bar assembly of first embodiment of the invention.
Fig. 3 is that the location division of the embodiment of the present invention will be left drag-line and connects the signal of the groove on fork Figure.
Fig. 4 is the position point of embodiment of the present invention schematic diagram in the groove that drag-line connects on fork.
Fig. 5 A is the structural representation of the pcb board assembly of the embodiment of the present invention.
Fig. 5 B is the positional structure schematic diagram of the permanent magnet of the embodiment of the present invention.
Fig. 5 C is that the sensor of the embodiment of the present invention coordinates the schematic diagram realizing gear confirmation with permanent magnet.
Fig. 6 is the structural representation of the shift bar assembly of second embodiment of the invention.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides a kind of changing for double-clutch automatic gearbox Frequency modulator, connects fork 20 including shift bar assembly 10, gear level 30 and drag-line.Wherein gear level group Part 10 includes into first 14 and second 13 of bending relation, has at this end of first 14 First center of rotation 12, this shift bar assembly 10 is connected with shift bar 30, and can be in this first rotation The heart 12 rotates；The location division 11 downwardly extended it is provided with, this edge, location division 11 at this end of second 13 The cross section of vertical direction is surrounded by first vertical edge the 111, second vertical edge 112 and the first horizontal edge 113, and First vertical edge 111 is connected by the first circular arc 114 with the first horizontal edge 113, wherein this first circular arc 114 From in the circumference with the first center of rotation 12 as the center of circle.
Drag-line connects fork 20 and is provided with the groove 21 for accommodating this location division 11, with this groove 21 phase One of them adjacent plane is the planing surface 23 slided for this location division, in the present embodiment, planing surface 23 tilt to the direction of this bottom portion of groove, so that location division 11 can smoothly be slided on this planing surface 23.
This drag-line connect fork 20 bottom be provided with the second center of rotation 22, it is additionally provided with for change The drag-line connecting pin 24 that shelves drag-line (not shown) is connected.Drag-line connect fork 20 can around this second Center of rotation 22 rotates, and makes coupled gear shift pulling cable have stroke output, is used for realizing gear shift The R shelves of bar or P shelves.And this location division 11 is when being positioned on planing surface 23, this drag-line connects fork 20 and does not revolves Turn, make this gear shift pulling cable not have stroke to export, be used for realizing other gears of this shift bar.Concrete next Saying, drag-line connects fork 20 and utilizes location division 11 to be applied to the power winding of the drift angle 24,25 with groove 21 Put the second center of rotation 22 connected bottom fork 20 at drag-line to rotate, and make by drag-line connecting pin 24 Coupled gear shift pulling cable has stroke output, for realizing R shelves or the P shelves of shift bar；This location When portion 11 is positioned on planing surface 23, two drift angles 24,25 of this groove do not stress, and this drag-line connects pendulum Bar 20 will not rotate around the second center of rotation 22, makes this gear shift pulling cable not have stroke to export, and is used for realizing Other gears of this shift bar.
In the present embodiment, above-mentioned location division 11 is to utilize the first circular arc 114 to slide on this planing surface 23 , in order to be able to preferably slide effect, this planing surface 23 is set to an arc section, and this arc section With the first circular arc 114 of location division 11 from same circumference, i.e. there is the identical center of circle and radius, so, The planing surface 23 of just fitting completely of the first circular arc 114 on location division 11 slides.
In the present embodiment, on this planing surface 23 position in addition to starting ends, this location division 11, it is used for Realize this shift bar 30 all gears in addition to R shelves with P shelves, namely N shelves, D shelves and S shelves.Specifically For, when shift bar assembly 10 rotates counterclockwise, drag-line connects fork 20 and does not stresses, therefore gear shift It is independently rotated that bar assembly 10 can depart from drag-line connection fork 20, is respectively moved to N shelves, D shelves and S shelves. Owing to planing surface 23 and the first circular arc 114 are all with the first center of rotation 12 as the center of circle, and have identical half Footpath, therefore planing surface 23 and the first circular arc 114 moment keep laminating, if drag-line connects fork 20 and has suitable The trend that hour hands rotate, owing to planing surface 23 rotates around the second center of rotation 22, certainly will cause planing surface 23 away from the trend of the first center of rotation 12, and the first circular arc 114 can stop planing surface 23 away from the first rotation Turning center 12, therefore shift bar assembly 10 rotates counterclockwise to any position and can effectively prevent drag-line Connection fork 20 is rotated clockwise to P shelves causes trip stop.
Referring again to Fig. 3 and Fig. 4, in Fig. 3, this location division 11 is in the starting ends of this planing surface, is used for Realize P shelves or the R shelves of this shift bar 30；In Fig. 4, this location division 11 is positioned at this groove 21, is used for realizing The R shelves of this shift bar 30 or P shelves；In the present embodiment, Fig. 3 is accomplished that R shelves, and Fig. 4 is accomplished that P shelves.
When shift bar assembly 10 turns clockwise on the basis of Fig. 1, the second vertical edge 112 can be at groove Apply active force on the drift angle 25 of 21, promote drag-line to connect fork 20 and turn clockwise, and when drag-line connects Connect fork 20 when turning clockwise, the drift angle 24 of groove 21 and the contact point of the first vertical edge 111 and drift angle 25 and second the contact point of vertical edge 112 all have the trend away from the first center of rotation 12, therefore drift angle 24 with The contact point of the first vertical edge 111 and the contact point of drift angle 25 and the second vertical edge 112 can be respectively along first Move on vertical edge 111 and the second vertical edge 112, arrive position (P shelves) shown in Fig. 4, when this location division 11 is positioned at Time in this groove 21, the first vertical edge 111 of this location division 11 and the second vertical edge 112 respectively with this groove Two drift angles 24,25 contact, and effectively prevent drag-line from connecting fork 20 and rotate, force gear shift pulling cable to stop Stay P file location.
Now when shift bar assembly 10 rotates counterclockwise, i.e. by P shelves movement to R shelves, the first vertical edge 111 The drift angle 24 of groove 21 applies active force, promotes drag-line to connect fork 20 and rotate counterclockwise, simultaneously The drift angle 24 of groove 21 glides along the first vertical edge 111 with the contact point of the first vertical edge 111, until Fig. 3 position Put, i.e. R file location.Simultaneously shift bar assembly 10 limit drag-line connect fork 20 turn clockwise, force Drag-line connects fork 20 and rests on R file location.
Owing to the selector in the present embodiment only has P shelves, R shelves to be intended to be transferred to by gear shift by gear shift pulling cable Variator, other gear drag-line attonitys, it is therefore desirable to gear shift is intended to by the approach beyond drag-line Send, such as, send gear shift by CAN with the form of message and be intended to.
As shown in Figure 5A, the pcb board assembly 40 on selector be provided with sensor 41,42,43,44, 45, wherein 43,44,45 is first group of sensor, when corresponding location division 11 is slided on planing surface 23 N shelves, D shelves, S shelves；And 41,42 is second group of sensor, the most corresponding R shelves, P shelves.Certainly, Owing to P shelves and R shelves can be by what gear shift pulling cable transmission gear shift was intended to, so arranging sensor being This group sensor comprising 43,44,45 can be only set.In the present embodiment, this sensor is permissible Use Hall element.
As shown in Fig. 5 B, 5C, shift bar assembly 10 is provided with a permanent magnet 14, is used for triggering those Sensor is to determine the gear residing for this shift bar.When shift bar assembly 10 is in and P, R, N, D, S During shelves position corresponding to one of them gear, the Hall element that permanent magnet is corresponding with this gear aligns, And trigger Hall element with this, trigger signal and turn after the translation transmitting element 46 of pcb board assembly is collected Being translated into message to be distributed in CAN network, variator is retrieved with this and is learnt that gear shift is intended to.
If be also provided with the sensor 42,41 of correspondence at P shelves, R shelves, then variator draws receiving gear shift Both are first entered by shift signal that rope is corresponding after retrieving the shift signal that message in CAN network is corresponding Row contrasts, and when comparison is consistent, then performs gear shift action, the most just plays the work of a dual fail-safe With.
Structural representation referring again to the shift bar assembly that Fig. 6, Fig. 3 are second embodiment of the invention. In the present embodiment, this shift bar assembly 10 has a drag-line connecting pin 13, be used in applicable routine Automatic transmission time, connect gear shift pulling cable.Owing to shift bar assembly 10 starts shipment with shift bar one all the time Dynamic, therefore drag-line connecting pin 13 can be followed shift bar and pulled gear shift pulling cable to move one respectively at each gear Set a distance, to realize the selector function of automatic transmission (AT).As can be seen here, in normal condition Under, what this selector of the present invention was suitable for is double-clutch automatic gearbox, is applied to if necessary During automatic gear changer (AT), only gear shift pulling cable need to be connected on shift bar assembly 10 drag-line even Pin 13, in order to cost-effective, also can remove drag-line and connect fork when selector produces assembling 20。
The invention provides a kind of selector for double-clutch automatic gearbox, including can be around first Center of rotation rotate shift bar assembly and can around second center of rotation rotate drag-line connect fork, And the location division on this shift bar assembly can this drag-line connect fork planing surface on slide, and when should When the location division of shift bar is slided on this planing surface, the gear shift pulling cable being connected fork with drag-line connected does not has Stroke is had to export.In order to preferably slide effect, the present invention utilizes the first circular arc on location division to enter Row slides, and the first circular arc and planing surface be from the same circumference with the first center of rotation as the center of circle 's.The present invention is coordinated with the permanent magnet on shift bar assembly by the sensor on pcb board assembly and determines Gearshift intention is also informed variator by gear residing for this shift bar, and when P shelves and R shelves, can To be carried out dual confirmation by gear shift pulling cable and message.The selector that the present invention provides can be used not only for double Clutch automatic transmission, more can apply to automatic transmission (AT).
Illustrating the preferred embodiments of the present invention above by reference to accompanying drawing, those skilled in the art are without departing from this The scope and spirit of invention, can have multiple flexible program to realize the present invention.For example, as one The feature shown partially or that describe of individual embodiment can be used for another embodiment to obtain another embodiment. These are only the embodiment that the present invention is the most feasible, not thereby limit to the interest field of the present invention, The equivalence change that all utilization description of the invention and accompanying drawing content are made, is both contained in the right of the present invention Within the scope of.

Claims (8)

1. the selector for double-clutch automatic gearbox, it is characterised in that including:
Shift bar assembly, including becoming first and second of bending relation, at described second End is provided with the location division downwardly extended, and has the first center of rotation, institute at the end of described first State shift bar assembly to rotate around described first center of rotation；
Gear level, is connected with described shift bar assembly；
Drag-line connects fork, is provided with the groove for accommodating described location division, adjacent with described groove One of them plane is the planing surface slided for described location division, and described drag-line connects the bottom of fork and sets There is the second center of rotation；
Described drag-line connects fork and can rotate around described second center of rotation, and makes coupled gear shift Drag-line has stroke output, for realizing R shelves or the P shelves of shift bar；Described position point is in described Time on planing surface, described drag-line connects fork and does not rotates, and makes described gear shift pulling cable not have stroke to export, It is used for realizing other gears of described shift bar.
Selector for double-clutch automatic gearbox the most according to claim 1, its feature Being, described location division cross section vertically is horizontal by the first vertical edge, the second vertical edge and first Skirt becomes, and described first vertical edge passes through the first circular sliding slopes, described first circle with described first horizontal edge Arc is used for sliding on described planing surface.
Selector for double-clutch automatic gearbox the most according to claim 2, its feature Being, described first circular arc comes from the circumference with the first center of rotation as the center of circle.
Selector for double-clutch automatic gearbox the most according to claim 2, its feature Being, described planing surface is an arc section, and described arc section and described first circular arc are from same circumference.
Selector for double-clutch automatic gearbox the most according to claim 2, its feature Be, when described position point is in described groove, described first vertical edge and the second vertical edge respectively and Contact with two drift angles of described groove, rotate to prevent described drag-line from connecting fork.
Selector for double-clutch automatic gearbox the most according to claim 1, its feature Be, described in slide towards described bottom portion of groove direction tilt so that described location division can be smoothly Described planing surface slides.
Selector for double-clutch automatic gearbox the most according to claim 1, its feature It is, also includes the first group of sensor being arranged on pcb board assembly, on described shift bar assembly also It is provided with a permanent magnet, for when described gear shift pulling cable does not has stroke to export, triggers described sensor To determine the gear residing for described shift bar.
Selector for double-clutch automatic gearbox the most according to claim 7, its feature It is, described pcb board assembly is additionally provided with second group of sensor, for having row at described gear shift pulling cable During journey output, further determine that the gear residing for described shift bar.
CN201310355067.2A 2013-08-14 2013-08-14 A kind of selector for double-clutch automatic gearbox Active CN104373584B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490291A (en) * 1968-07-15 1970-01-20 Gen Motors Corp Transmission control
US4850238A (en) * 1986-11-29 1989-07-25 Isuzu Motors Limited Shiftlever mechanism for an automatic transmission
KR20030030457A (en) * 2001-10-11 2003-04-18 현대자동차주식회사 shift locking device for automatic transmission
CN200971909Y (en) * 2006-11-01 2007-11-07 上汽通用五菱汽车股份有限公司 Fastening shifting flexible shaft
CN203442106U (en) * 2013-08-14 2014-02-19 广州汽车集团股份有限公司 Shifter used for dual clutch transmission

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490291A (en) * 1968-07-15 1970-01-20 Gen Motors Corp Transmission control
US4850238A (en) * 1986-11-29 1989-07-25 Isuzu Motors Limited Shiftlever mechanism for an automatic transmission
KR20030030457A (en) * 2001-10-11 2003-04-18 현대자동차주식회사 shift locking device for automatic transmission
CN200971909Y (en) * 2006-11-01 2007-11-07 上汽通用五菱汽车股份有限公司 Fastening shifting flexible shaft
CN203442106U (en) * 2013-08-14 2014-02-19 广州汽车集团股份有限公司 Shifter used for dual clutch transmission

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