CN101603592B - Electric automatic shift device of motor vehicle - Google Patents
Electric automatic shift device of motor vehicle Download PDFInfo
- Publication number
- CN101603592B CN101603592B CN 200910104305 CN200910104305A CN101603592B CN 101603592 B CN101603592 B CN 101603592B CN 200910104305 CN200910104305 CN 200910104305 CN 200910104305 A CN200910104305 A CN 200910104305A CN 101603592 B CN101603592 B CN 101603592B
- Authority
- CN
- China
- Prior art keywords
- gearshift
- shift
- spring
- moving direction
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses an electric automatic shift device of a motor vehicle. A shift motor drives a shift finger through a transmission device to drive a shift fork to slide to and fro along a shift shaft. The electric automatic shift device also comprises a shell, and a shift spring I and a shift spring II which are arranged in the shell; a slide block is fixedly arranged at two sides of the shift finger along the shift moving direction respectively; the shift spring I and the shift spring II are propped at two sides of the shift finger along the shift moving direction through the corresponding slide blocks thereof; and the shift spring II is propped between a reciprocating motion power output shaft of the transmission device and the slide block corresponding to the shift spring II. The electric automatic shift device of the motor vehicle can avoid overlarge impact borne by a shift mechanism, realize soft shift motion and improve the stability and accuracy of an engagement mechanism during operating so as to improve the reliable operation of engagement, reduce the abrasion and impact of the synchronizer slide blocks at the same time of ensuring enough shift force, and reduce the fault rate and maintenance cost of the motor vehicle; and the electric automatic shift device has the advantages of less mass, simple structure, reliable work and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of Motor Vehicle gearshift assembly, particularly a kind of electric automatic shift device of motor vehicle.
Background technique
The electric control mechanical type automatic speed variator gear shifting actuating mechanism mainly adopts electric-controlled hydraulic and two kinds of driving mode of electricity powered.And the electricity powered gear shifting actuating mechanism is because little, the compact structure of volume, quality is light and cost is low obtains using comparatively widely.Electric control mechanical type automatic speed variator is to realize the gearshift action of conventional manual speed changer by automatic control gear shifting actuating mechanism, realize by pure mechanical transmission course, mainly comprise actuating motor and drive unit, actuating motor drives selector fork by drive unit and realizes gearshift, get rid of manual operation, automaticity is higher, saves driver's the amount of labour.Participate in although automatic control gear shifting actuating mechanism of the prior art is got rid of people's subjectivity, the driver is freed from the driving procedure of complexity, driver by rule of thumb subjective operation is a kind of soft shift process, and is less to the impact of gearshift.In the ideal situation, the shift process of automatic transmission is as long as the rational gearshift time of regulation can reach setting and surpass manual shift, and shift process impacts little to gearshift.But, Motor Vehicle car load running environment and road conditions are comparatively complicated and changeable, when shift process can not be finished according to ideal process smoothly because of environmental factor, motoring machinery mechanism proceeds shift process, thereby unavoidably can produce impact force to gearshift, and can cause deforming of gearshift, the pressure of slide block and gear of synchronizer inner room is crossed ambassador's slider wear, the operation conditions of Motor Vehicle is worsened, improve rate of fault and maintenance cost.
For overcoming the above problems, a kind of mechanism that cushions the engage a gear process by spring is set has appearred, and still, this mechanism can't guarantee the stability of engage a gear process, causes the engage a gear difficulty, and is malfunctioning, causes operational difficulty.
Therefore, need to transform existing automatic gear shift apparatus, can avoid mechanical splice very stiff and demanding when gearshift, realize soft gearshift action, alleviate wearing and tearing and the impact of synchronizer key when guaranteeing enough gear shifting forces, simultaneously, improve the stability of gear mechanism when operation with accurately fixed, thereby improve reliably carrying out of engage a gear, reduce vehicle trouble rate and maintenance cost.
Summary of the invention
In view of this, purpose of the present invention provides a kind of electric automatic shift device of motor vehicle, can avoid mechanical splice very stiff and demanding when gearshift, realize soft gearshift action, alleviate wearing and tearing and the impact of synchronizer key when guaranteeing enough gear shifting forces, simultaneously, improve stability and the accuracy of gear mechanism when operation, thereby improve reliably carrying out of engage a gear, reduce vehicle trouble rate and maintenance cost.
Electric automatic shift device of motor vehicle of the present invention, comprise the gearshift drive motor, the gearshift reversal means, selector fork, shifting shaft and power are output as reciprocating transmission device, described shift motor drives selector fork by actuator drives gearshift reversal means and can reciprocatingly slide along shifting shaft, also comprise the gear shift damping device, comprise housing and be arranged on the gearshift spring I in the housing and the spring II that shifts gears, be positioned at the gearshift reversal means and along gearshift moving direction both sides slide block be set respectively, in gearshift moving direction secure fit, gearshift spring I and gearshift spring II withstand on gearshift reversal means both sides by the slide block corresponding with it along gearshift moving direction respectively between two slide blocks and the gearshift reversal means; Gearshift spring II withstands between the to-and-fro motion clutch end and the slide block corresponding with it of transmission device; Described slide block and shell inner surface are cooperating along the mode gapless that gearshift moving direction is slided, and housing arranges the bar shaped groove along gearshift moving direction, and the gearshift reversal means is passed bar shaped groove and selector fork in the moving direction secure fit of shifting gears.
Further, described housing one end arranges end cap, and gearshift spring I one end withstands the end cap internal surface, and the other end withstands on the slide block side corresponding with it; The gearshift drive motor is fixedly installed on the housing the other end, and the pto＝power take-off of gearshift drive motor is connected in the power intake of transmission device;
Further, be fixedly connected with by set screw nut by stud bolt between described two slide blocks, stud bolt pass the gearshift reversal means and with its in gearshift moving direction secure fit;
Further, between described slide block and the shell inner surface cooperating along the mode gapless that gearshift moving direction is slided;
Further, described transmission device is lead-screw drive mechanism, comprise screw mandrel and the nut that is spun on the leading screw, the pto＝power take-off of described leading screw and gearshift drive motor is in the circumferencial direction secure fit, and nut is arranged in the housing with housing cooperating along the mode that gearshift moving direction slip circumferencial direction is fixed; Gearshift spring II withstands between nut and the gearshift reversal means;
Further, described nut surface arranges the bar shaped restraining groove along gearshift moving direction, and stop screw is set on the housing, and the bar shaped restraining groove is stretched in described stop screw end;
Further, described housing arranges fixed support.
Beneficial effect of the present invention: electric automatic shift device of motor vehicle of the present invention, in gearshift reversal means both sides the gearshift spring is set respectively, and the lateral displacement by slide block structure restriction reversal means, not only utilize the pretightening force of drive unit and spring to drive the gearshift reversal means, can avoid mechanical splice very stiff and demanding when gearshift when making selector fork stir the synchronizer sliding sleeve, avoid gearshift to bear excessive impact, realize soft gearshift action, can also improve stability and the accuracy of gear mechanism when operation, thereby improve reliably carrying out of engage a gear, the wearing and tearing and the impact that alleviate synchronizer key when further guaranteeing enough gear shifting forces, reduce vehicle trouble rate and maintenance cost, quality of the present invention is little, and is simple in structure, reliable operation, low cost of manufacture.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Accompanying drawing is structural representation of the present invention.
Embodiment
Accompanying drawing is structural representation of the present invention, as shown in the figure: the electric automatic shift device of motor vehicle of the present embodiment, comprise gearshift drive motor 1 (actuating motor), gearshift reversal means 11, selector fork 20, shifting shaft 19 and power are output as reciprocating transmission device, described gearshift drive motor 1 drives selector fork 20 by actuator drives gearshift reversal means 11 and can reciprocatingly slide along shifting shaft 19, also comprise the gear shift damping device, comprise housing and be arranged on housing interior gearshift spring I 16 and gearshift spring II 5 with preload pressure, be arranged in gearshift reversal means 11 in the housing 6 and along gearshift moving direction both sides slide block (figure is respectively slide block 13 and slide block 9) be set respectively, described slide block 13 and slide block 9 and housing 6 internal surfaces are cooperating along the mode that gearshift moving direction is slided, between slide block 13 and slide block 9 and the gearshift reversal means 11 in gearshift moving direction secure fit, gearshift spring I 16 and gearshift spring II 5 withstand on gearshift reversal means 11 both sides by the slide block corresponding with it (slide block 13 and slide block 9) along gearshift moving direction respectively, between the to-and-fro motion clutch end that gearshift spring II 5 withstands on transmission device and gearshift reversal means 11 sides and its corresponding slide block (being slide block 9 among the figure); Housing 6 arranges bar shaped groove 61 along the gearshift moving direction, and gearshift reversal means 11 is passed bar shaped groove 61 and selector fork 20 in gearshift moving direction secure fit, and bar shaped groove 61 is positioned at an end opening of housing, is beneficial to the installation of gearshift reversal means 11; Adopt slide block structure, the effectively also accurate spring force of determining the gearshift spring, and restriction is shifted gears reversal means in horizontal degrees of freedom, guarantees that shift process accurately carries out.
In the present embodiment, described housing 6 one ends arrange end cap 17, and gearshift spring I 16 1 ends withstand end cap 17 internal surfaces, and the other end withstands on the slide block corresponding with it 13 sides; Gearshift drive motor 1 is fixedly installed on housing 6 the other ends, and the pto＝power take-off of gearshift drive motor 1 is connected in the power intake of transmission device; Simple and compact for structure, installation and removal easily improve and install and maintenance efficiency.
In the present embodiment, be fixedly connected with by two set screw nuts (being respectively set screw nut 15 and set screw nut 7 among the figure) by stud bolt 10 between described slide block 13 and the slide block 9, set screw nut 15 and set screw nut 7 arrange respectively elastic washer (being respectively elastic washer 14 and elastic washer 8 among the figure) between the slide block of correspondence, prevent from becoming flexible the reliability of assurance device; Stud bolt 10 pass gearshift reversal means 11 and with its in gearshift moving direction secure fit; The present embodiment is horizontally through stud bolt 10 by resilient key 12 and gearshift reversal means 11 achieves a fixed connection, and is simple and compact for structure, installs easily.
In the present embodiment, between described slide block 13 and slide block 9 and housing 6 internal surfaces cooperating along the mode gapless that gearshift moving direction is slided; The located lateral effect is better, avoids the accuracy because of the lateral displacement impact gearshift of slide block.
In the present embodiment, described transmission device is lead-screw drive mechanism, comprise screw mandrel 2 and the nut 3 that is spun on the leading screw 2, the pto＝power take-off of described leading screw 2 and gearshift drive motor 1 is in the circumferencial direction secure fit, and nut 3 is arranged in the housing 6 with housing 6 cooperating along the mode that gearshift moving direction slip circumferencial direction is fixed; Gearshift spring II5 withstands between nut 3 and the gearshift reversal means 11; Transmission is accurately reliable, and is simple in structure, guarantees to shift gears to carry out accurately and reliably; Certainly, also can adopt other driving mechanism, such as the gear rack transmission, also can reach goal of the invention, but the drive characteristic of gear rack is complicated, can affect the gearshift effect because of return difference, and structure is comparatively complicated.
In the present embodiment, described nut 3 surfaces arrange bar shaped restraining groove 31 along gearshift moving direction, and stop screw 4 is set on the housing 6, and bar shaped restraining groove 31 is stretched in described stop screw 4 ends, prevents that nut from rotating at circumferencial direction; Limit structure is simple, and installation and removal are convenient.
In the present embodiment, described housing 6 arranges fixed support 18, makes things convenient for the installation of gear shifting actuating mechanism to fix.
The present invention in use, gearshift drive motor 1 can be realized forward and reverse rotation by ECU (Electrical Control Unit) control, when ECU (Electrical Control Unit) is sent gear shifting signal, when gearshift drive motor 1 needs forward rotation to move to realize shifting gears, leading screw 2 drive nuts 3 move to the left along gearshift moving direction, make gearshift spring II 5 compressions, and compression gearshift spring I 16, slide block 13 and slide block 9 move to the left along gearshift moving direction simultaneously, thereby so that gearshift reversal means 11 is driven selector fork 20 along declutch shift shaft 19 axial motions, to realize hanging the action of high gear; And when gearshift drive motor 1 needs backward rotation to move to realize shifting gears, the vertically right side motion of leading screw 2 drive nuts 3, under the effect of gearshift spring I 16, the vertically right side motion of slide block 13 and slide block 9 drives the action to realize hanging to hang down gear of gearshift reversal means 11 and selector fork 20.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. electric automatic shift device of motor vehicle, comprise the gearshift drive motor, the gearshift reversal means, selector fork, shifting shaft and power are output as reciprocating transmission device, described gearshift drive motor drives selector fork by actuator drives gearshift reversal means and can reciprocatingly slide along shifting shaft, it is characterized in that: also comprise the gear shift damping device, comprise housing and be arranged on the gearshift spring I in the housing and the spring II that shifts gears, be positioned at the gearshift reversal means and along gearshift moving direction both sides slide block be set respectively, in gearshift moving direction secure fit, gearshift spring I and gearshift spring II withstand on gearshift reversal means both sides by the slide block corresponding with it along gearshift moving direction respectively between two slide blocks and the gearshift reversal means; Gearshift spring II withstands between the to-and-fro motion clutch end and the slide block corresponding with it of transmission device; Described slide block and shell inner surface are cooperating along the mode gapless that gearshift moving direction is slided, and housing arranges the bar shaped groove along gearshift moving direction, and the gearshift reversal means is passed bar shaped groove and selector fork in the moving direction secure fit of shifting gears; Described housing one end arranges end cap, and gearshift spring I one end withstands the end cap internal surface, and the other end withstands on the slide block side corresponding with it; The gearshift drive motor is fixedly installed on the housing the other end, and the pto＝power take-off of gearshift drive motor is connected in the power intake of transmission device; Be fixedly connected with by set screw nut by stud bolt between described two slide blocks, stud bolt pass the gearshift reversal means and with its in gearshift moving direction secure fit.
2. electric automatic shift device of motor vehicle according to claim 1, it is characterized in that: described transmission device is lead screw transmission mechanism, comprise screw mandrel and the nut that is spun on the screw mandrel, the pto＝power take-off of described screw mandrel and gearshift drive motor is in the circumferencial direction secure fit, and nut is arranged in the housing with housing cooperating along the mode that gearshift moving direction slip circumferencial direction is fixed; Gearshift spring II withstands between nut and the gearshift reversal means.
3. electric automatic shift device of motor vehicle according to claim 2 is characterized in that: described nut surface arranges the bar shaped restraining groove along gearshift moving direction, and stop screw is set on the housing, and the bar shaped restraining groove is stretched in described stop screw end.
4. electric automatic shift device of motor vehicle according to claim 3, it is characterized in that: described housing arranges fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910104305 CN101603592B (en) | 2009-07-10 | 2009-07-10 | Electric automatic shift device of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910104305 CN101603592B (en) | 2009-07-10 | 2009-07-10 | Electric automatic shift device of motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101603592A CN101603592A (en) | 2009-12-16 |
| CN101603592B true CN101603592B (en) | 2013-04-24 |
Family
ID=41469443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910104305 Expired - Fee Related CN101603592B (en) | 2009-07-10 | 2009-07-10 | Electric automatic shift device of motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101603592B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020011697A1 (en) * | 2018-07-09 | 2020-01-16 | Zf Friedrichshafen Ag | Actuating device for a clutch, and clutch assembly having the actuating device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206529A (en) * | 2013-04-07 | 2013-07-17 | 无锡金田元丰科技股份有限公司 | Linear movement buffering type speed change control mechanism and automatic speed change device |
| CN104776219A (en) * | 2015-04-22 | 2015-07-15 | 浙江万里扬变速器股份有限公司 | Self-adaptive shifting fork assembly |
| CN106956579B (en) * | 2017-05-08 | 2023-12-01 | 重庆大学 | Hollow motor type electric automobile driving switching and transmission speed changing system |
| CN110319188A (en) * | 2018-03-29 | 2019-10-11 | 广州汽车集团股份有限公司 | A kind of shift linkage and gearshift |
| CN114658840B (en) * | 2022-03-24 | 2024-03-01 | 江苏新能源汽车研究院有限公司 | Active speed-regulating gear shifting mechanism and method for automobile power system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851733Y (en) * | 2005-10-28 | 2006-12-27 | 一品机械股份有限公司 | Speed changing mechanism of electric vehicle servo motor |
| CN101245850A (en) * | 2008-03-20 | 2008-08-20 | 重庆大学 | Mechanical automatic speed-changing direct-shifting hydraulic actuator of heavy vehicle |
-
2009
- 2009-07-10 CN CN 200910104305 patent/CN101603592B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851733Y (en) * | 2005-10-28 | 2006-12-27 | 一品机械股份有限公司 | Speed changing mechanism of electric vehicle servo motor |
| CN101245850A (en) * | 2008-03-20 | 2008-08-20 | 重庆大学 | Mechanical automatic speed-changing direct-shifting hydraulic actuator of heavy vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020011697A1 (en) * | 2018-07-09 | 2020-01-16 | Zf Friedrichshafen Ag | Actuating device for a clutch, and clutch assembly having the actuating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101603592A (en) | 2009-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101603592B (en) | Electric automatic shift device of motor vehicle | |
| CN202182174U (en) | Automobile electric gearshift mechanism | |
| CN101440846B (en) | Clutch actuating mechanism of automatic mechanical speed variator | |
| CN202579994U (en) | AMT (Automated Mechanical Transmission) gear selecting and shifting actuator | |
| CN102109018A (en) | Clutch execution mechanism for electric control automatic mechanical transmission | |
| CN101021265A (en) | Automatic speed variator gear-selecting and shifting executing mechanism | |
| CN102494044B (en) | Gear-type clutch device | |
| CN105697708A (en) | Novel mechanical stepless speed change device | |
| CN111692240A (en) | Electric clutch separating system for commercial vehicle | |
| CN201963858U (en) | Automatic gearshift of automobile transmission | |
| CN1804437A (en) | Programmable logic control device for automobile transmission case with manual gearshift | |
| CN211624103U (en) | Gear box shifting device | |
| CN102200177A (en) | Transmission gear system of motor vehicle | |
| CN103511608B (en) | A kind of electronic gear shifting actuating mechanism | |
| CN209909141U (en) | Automatic gear shifting actuating mechanism | |
| CN2878809Y (en) | Programmable logic controlling unit for hand-gear vehicle gearbox | |
| CN2582988Y (en) | Stoplever changing device of small power outboard machine | |
| CN2439380Y (en) | Sawtooth gear type transmission mechanism | |
| CN216742785U (en) | Gear shifting stroke limiting device of loader gearbox | |
| CN112943921B (en) | Two-gear power assembly system capable of adaptively shifting gears | |
| CN2643078Y (en) | Automatic shifter for automobile or tricycle | |
| CN213981862U (en) | Electric automobile and gearbox thereof | |
| CN108730367B (en) | Clutch release system | |
| CN102213311B (en) | Hydraulic automatic shift module of transmission | |
| CN219139787U (en) | Gear shifting executing mechanism for hybrid electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20200710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |