CN102303639A - Automobile steering device - Google Patents
Automobile steering device Download PDFInfo
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- CN102303639A CN102303639A CN201110210376A CN201110210376A CN102303639A CN 102303639 A CN102303639 A CN 102303639A CN 201110210376 A CN201110210376 A CN 201110210376A CN 201110210376 A CN201110210376 A CN 201110210376A CN 102303639 A CN102303639 A CN 102303639A
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- steering
- gear
- shaft
- shift fork
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Abstract
The invention provides an automobile steering device, which belongs to the technical field of vehicle, and solves the problems of poor operability, large occupied space and the like existing in the steering wheel of the traditional automobile steering device as well as high work intensity and hazard of an automobile in case of loss of power assistance during driving. The automobile steering device comprises a steering wheel and a steering gear, wherein a steering column is connected to the steering wheel, and a steering transmission shaft is connected to the steering gear; and a transmission mechanism driven through a gear is arranged between the steering column and the steering transmission shaft and comprises at least a driving gear, at least two driven gear and a switching component, and the transmission relation is formed the driving gear and an arbitrary driven gear through the switching component, and not all transmission ratios of the formed transmission relations are the same. In an automobile equipped with the steering device, the diameter of the steering wheel is reduced, therefore the driving suitability of the automobile is improved, the labor intensity of the driver is reduced, and the safety of automobile driving is increased.
Description
Technical field
The invention belongs to the vehicle technology field, relate to a kind of automobile, particularly a kind of auto steerer.
Background technology
Automobile is meant that the engine installation of self equipment drives, and generally has four or more wheel, does not rely on track or stringing and at the vehicle of land locomotion.Automobile can be divided into the automobile of car, passenger vehicle, lorry and special purpose by purposes.
At present, servo steering device is housed all in the steering swivel system of automobile, it is meant can be by the help of external force, the device that the strength of operation steering handwheel is alleviated; Therefore weak women also can operate driving.Though this servo steering device has reduced driving intensity widely and has improved driving enjoyment, still can be when normal driving the servo steering device et out of order, cause losing problems such as power-assisted.
If car loses power-assisted, then because car load is lighter, perhaps still can operating and controlling vehicle.But, lose steering effort increase several times after the power-assisted because vehicle front axles such as passenger vehicle and truck load is heavy; So the steering wheel diameter of such vehicle is mostly about 500mm.Why steering handwheel is done be so greatly because in " basic demand of GB17675 automotive steering " require that hydraulic pressure, air pressure or electric component in the steering swivel system is some or all of to lose power-assisted the time, steering effort also is not more than the numerical value of regulation.Problems such as though this structure has satisfied national standard through the steering wheel diameter size, obviously to exist operability poor for this steering handwheel, and it is big to take up room; Also exist simultaneously to drive and lose power-assisted automobile labour intensity, dangerous high problem.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of auto steerer, can increase steering inner articulated shaft torsion through handling this steering hardware to existing technology.
The object of the invention can be realized through following technical proposal: a kind of auto steerer, and it comprises steering handwheel and steering box; Be connected with Steering gear on the described steering handwheel, be connected with steering inner articulated shaft on the described steering box; Be provided with between described Steering gear and the steering inner articulated shaft through gear-driven transmission device; Described transmission device comprises at least one driving gear, has at least two driven gears and to switch assembly, makes the whole transmitting ratios that form drive connection between described driving gear and any one driven gear and form drive connection incomplete same through this changeover module.
This auto steerer is arranged in the automobile, and its optimum is applied on lorry or the motorcoach.Link to each other through gear-driven transmission device between Steering gear and the steering inner articulated shaft, therefore rotate steering handwheel and drive Steering gear and steering inner articulated shaft rotation successively, and then realize turning to.Because driving gear can and any one driven gear between form drive connection and form whole transmitting ratios of drive connection incomplete same; Be that this transmission device has a plurality of transmitting ratios; The drive connection that the drive connection that transmitting ratio is high is low with respect to transmitting ratio has reduction of speed and increases the function of turning round, and therefore this transmission device can adopt the low drive connection of transmitting ratio when work-saving device is in normal working; This transmission device can adopt the high drive connection of transmitting ratio after work-saving device loses power-assisted; Above-mentioned two kinds of drive connections switch through handling changeover module.In a word, be equipped with the diameter that this steering hardware automobile can reduce steering handwheel; Its reason is, can change transmission torsion through switching drive connection, can reduce the torsion of input.
In above-mentioned auto steerer, described transmission device comprise two along steering stem shaft to the driving gear that is set up in parallel and two driven gears that are set up in parallel along steering inner articulated shaft; Described two driving gears are meshed with two driven gears correspondingly, and a described driving gear diameter is less than the diameter of another driving gear; Described changeover module links to each other between two driven gears and with steering inner articulated shaft.
In above-mentioned auto steerer, described transmission device comprises input shaft, tween drive shaft and output shaft, and the axle center of input shaft and the axle center of output shaft are located along the same line; Described input shaft links to each other with Steering gear, and described output shaft links to each other with steering inner articulated shaft; The end of described input shaft is fixed with a driving gear, and the end of described output shaft is arranged with two driven gears that are set up in parallel along steering inner articulated shaft; Be fixed with three intermediate gears that axially are set up in parallel along tween drive shaft on the described tween drive shaft; One of them intermediate gear is meshed with driving gear; Two intermediate gears are meshed with two driven gears correspondingly in addition, and a described driven gear diameter is less than the diameter of another driven gear; Described changeover module links to each other between two driven gears and with steering inner articulated shaft.
This structure input shaft, tween drive shaft are connected Steering gear and steering inner articulated shaft with output shaft; Can solve the problem of Steering gear and steering inner articulated shaft decentraction; Simultaneously can guarantee that input shaft and output shaft are positioned on the same axis, can guarantee that like this compactedness and easy of structure is reequiped original vehicle.This transmission device mainly comprises axle and gear, so productive costs is lower.
In above-mentioned auto steerer, transmitting ratio between described intermediate gear and the driving gear and intermediate gear equate with transmitting ratio between one of them driven gear.When the transmitting ratio between the intermediate gear in the transmission device and the driving gear and intermediate gear when transmitting ratio between the driven gear equates, Steering gear equates with steering inner articulated shaft torsion when the force aid system normal operation; Can guarantee that promptly this vehicle uses and handle consistent with other vehicles under this state.
In above-mentioned auto steerer, be provided with support between described Steering gear and the steering inner articulated shaft, described input shaft, tween drive shaft and output shaft all are positioned on the support.Support is mainly used in each axle of location, and then the installation of convenient axle and the stability of rotation.This support can also be made and be the case shape, also is used to store lubricating oil simultaneously, and one improves the alerting ability between the gear.
In above-mentioned auto steerer, described support is fixed on the auto body.This support can also be positioned on Steering gear and the steering inner articulated shaft.
In above-mentioned auto steerer, described changeover module comprises a combined cover and two zygotes; Described combined cover circumferentially is fixed on the output shaft; Two zygotes lay respectively at the two ends of combined cover and are fixed on correspondingly on two driven gears; Described support is provided with shift fork, and an end of shift fork links to each other with combined cover, and the other end is connected with and can drives the actuator that shift fork moves.
This changeover module is that actuator drives shift fork and moves through the manipulation actuator; Shift fork drives combined cover and moves axially along output shaft, and then combined cover can be captiveed joint with any one zygote is circumferential.Therefore the driven gear that links to each other with combined cover is through driving zygote and combined cover successively, and then the drive output shaft circumferentially rotates.In general, all be through the spline bonded assembly between combined cover and the output shaft and between combined cover and the zygote.
In above-mentioned auto steerer, described actuator is an electromagnet, and electromagnet is fixed on the support, and shift fork links to each other with the iron core of electromagnet.The transmitting ratio of transmission device was in little value when this electromagnet is generally formula open in usual and electromagnet was in opening.Close through circuit controling electromagnetic valve, and then iron core drives shift fork and moves the transmitting ratio that makes above-mentioned transmission device and switch to the higher value place.
In above-mentioned auto steerer, described actuator is handle, and described handle is hinged on the vehicle body, and described handle is connected with shift fork through drag-line.
In above-mentioned auto steerer, the path of motion two ends of described shift fork the other end are equipped with a limiting stopper; Described limiting stopper is fixed on the support.
In above-mentioned auto steerer, be provided with between described one of them limiting stopper and shift fork the other end shift fork the other end is had to another limiting stopper direction near the spring of trend all the time.In general, shift fork makes combined cover have the trend that moves to one of them zygote direction all the time under the elastic force effect of spring, this zygote be with transmission device in be connected mutually than the driven gear of underneath drive ratio.Be spring can guarantee that drag devices can normal operation the time combined cover can automatically and firmly link to each other with zygote.After pulling handle or electromagnet energising, this spring was compressed when transmission device was switched.
Compared with prior art, this auto steerer has the following advantages:
1, is equipped with the diameter that this steering hardware automobile can reduce steering handwheel; Therefore improve the driving suitability of vehicle, reduce driver's labour intensity, increase the safety of vehicle '.
2, this steering hardware has simple in structurely and compact, reasonable in design, produces or the low advantage of improvement expenses.
3, this steering hardware also has the advantage that manipulation is simple and convenient, stability is strong.
Description of drawings
Fig. 1 is the perspective view of this auto steerer.
Fig. 2 is the enlarged drawing at transmission device place in this auto steerer.
Fig. 3 is the main TV structure scheme drawing of the transmission device of this auto steerer.
Among the figure, 1, input shaft; 2, tween drive shaft; 3, output shaft; 4, driving gear; 5, intermediate gear; 51, intermediate gear one; 52, intermediate gear two; 53, intermediate gear three; 6, driven gear; 61, driven gear one; 62, driven gear two; 7, combined cover; 8, zygote; 9, shift fork; 10, limiting stopper; 11, spring; 12, handle; 13, drag-line; 14, support; 15, steering handwheel; 16, Steering gear; 17, universal-joint; 18, steering inner articulated shaft.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
As shown in Figure 1, this auto steerer comprises the transmission device of steering handwheel 15, steering box, Steering gear 16, steering inner articulated shaft 18 and connection Steering gear 16 and steering inner articulated shaft 18.
Specifically, the upper end of Steering gear 16 is connected with steering handwheel 15 mutually; The lower end and the steering box of steering inner articulated shaft 18 link.
As 1 to shown in Figure 3, this transmission device is through gear-driven.Transmission device comprises support 14, changeover module, input shaft 1, output shaft 3, tween drive shaft 2, driving gear 4, driven gear 6 and intermediate gear 5.
More particularly, as shown in Figures 2 and 3, support 14 is fixed on the vehicle body; Input shaft 1, tween drive shaft 2 and output shaft 3 axial location are on support 14, and input shaft 1 is parallel with tween drive shaft 2 with output shaft 3 concentrics and input shaft 1.One end of input shaft 1 is through the lower ends of universal-joint 17 with Steering gear 16; One end of output shaft 3 links to each other with the upper end of steering inner articulated shaft 18 through universal-joint 17.
The other end of input shaft 1 is fixed with a driving gear 4; Be fixed with three intermediate gears 5 on the axle part axle, promptly intermediate gear one 51 to three; Axial restraint has two driven gears 6 on the output shaft 3, and driven gear 6 can circumferentially rotate along output shaft 3, i.e. driven gear 1 and driven gear 2 62.Intermediate gear 3 53 is meshed with driving gear 4; Intermediate gear 2 52 is meshed with driven gear 2 62; Intermediate gear 1 is meshed with driven gear 1.Intermediate gear 1 is identical with the transmitting ratio between intermediate gear 3 53 and the driving gear 4 with transmitting ratio between the driven gear 1 and be preferably 1.The diameter of intermediate gear 2 52 is less than the diameter of intermediate gear 1, and then to make the transmitting ratio between intermediate gear 2 52 and the driven gear 2 62 be 2～4 greater than transmitting ratio between intermediate gear 1 and the driven gear 1 and ratio.Therefore, when rotating steering handwheel 15, steering handwheel 15 drives Steering gear 16, input shaft 1, driving gear 4, intermediate gear 5 and driven gear 6 successively and rotates.
Changeover module is to make any one driven gear 6 drive output shafts 3 to rotate and can make the coupled condition between output shaft 3 and two driven gears 6 freely to switch synchronously.Changeover module comprises a combined cover 7, two zygotes 8, shift fork 9 and actuators.
Combined cover 7 and two zygotes 8 are all between two driven gears 6.Combined cover 7 circumferentially is fixedly connected on the output shaft 3 through spline and can endwisely slips along output shaft 3.Two zygotes 8 are fixed on two driven gears 6 correspondingly, all have spline on the inwall of the outer wall of zygote 8 and combined cover 7; And when combined cover 7 is set in 8 last times of zygote, zygote 8 is circumferentially fixing with combined cover 7, and promptly driven gear 6 rotates and drives output shafts 3 and rotate synchronously.
Shift fork 9 is the attaching partss that connect actuator and combined cover 7.One end of shift fork 9 and combined cover 7, the other end and actuator link.Because need between Steering gear 16 and the steering inner articulated shaft 18 to keep transmission, so on support 14, be provided with a spring 11, this spring 11 is positioned at the other end of shift fork 9 for compression spring 11 and one of which end.Shift fork 9 combined cover 7 under the elastic force effect of spring 11 has to the close trend of the less driven gear of diameter 6 all the time.When actuator not when shift fork 9 applies pulling force combined cover 7 be to be inserted in zygote 8 on the less driven gear 6 of diameter.
The path of motion two ends of shift fork 9 the other end are equipped with a limiting stopper 10; Limiting stopper 10 is fixed on the support 14, and the other end of spring 11 is positioned on the limiting stopper 10.That is to say when actuator being resisted against on the limiting stopper 10 of shift fork 9 when shift fork 9 applies pulling force not.Therefore, avoid spring 11 to promote shift fork 9 muscle-bounds and caused problem such as spring 11 disengagings.Improve the stability that shift fork 9 is positioned simultaneously, guaranteed the stability of steering hardware operation.
Automobile with this steering hardware uses by following mode: handle handle 12 during force aid system normal operation in the automobile and guarantee that combined covers 7 link to each other with zygote 8 on the less driven gear 6.Force aid system in the automobile can't normal operation and when losing power-assisted, and pulling handle 12 and forward that deflector guarantees that combined cover 7 has linked to each other with zygote 8 on the big driven gear 6 to and 12 locate shaking hands stops.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used input shaft 1 morely; Tween drive shaft 2; Output shaft 3; Driving gear 4; Intermediate gear 5; Intermediate gear 1; Intermediate gear 2 52; Intermediate gear 3 53; Driven gear 6; Driven gear 1; Driven gear 2 62; Combined cover 7; Zygote 8; Shift fork 9; Limiting stopper 10; Spring 11; Handle 12; Drag-line 13; Support 14; Steering handwheel 15; Steering gear 16; Universal-joint 17; Steering inner articulated shaft 18 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. auto steerer, it comprises steering handwheel (15) and steering box; Be connected with Steering gear (16) on the described steering handwheel (15), be connected with steering inner articulated shaft (18) on the described steering box; It is characterized in that; Be provided with through gear-driven transmission device between described Steering gear (16) and the steering inner articulated shaft (18); Described transmission device comprises at least one driving gear (4), has at least two driven gears (6) and to switch assembly, makes the whole transmitting ratios that form drive connection between described driving gear (4) and any one driven gear (6) and form drive connection incomplete same through this changeover module.
2. auto steerer according to claim 1 is characterized in that, described transmission device comprises two driving gear (4) and two driven gears (6) that are set up in parallel along steering inner articulated shaft (18) of axially being set up in parallel along Steering gear (16); Described two driving gears (4) are meshed with two driven gears (6) correspondingly, and a described driving gear (4) diameter is less than the diameter of another driving gear (4); Described changeover module is positioned between two driven gears (6) and with steering inner articulated shaft (18) and links to each other.
3. auto steerer according to claim 1 is characterized in that, described transmission device comprises input shaft (1), tween drive shaft (2) and output shaft (3), and the axle center of the axle center of input shaft (1) and output shaft (3) is located along the same line; Described input shaft (1) links to each other with Steering gear (16), and described output shaft (3) links to each other with steering inner articulated shaft (18); The end of described input shaft (1) is fixed with a driving gear (4), and the end of described output shaft (3) is arranged with two driven gears (6) that are set up in parallel along steering inner articulated shaft (18); Be fixed with three intermediate gears (5) that axially are set up in parallel along tween drive shaft (2) on the described tween drive shaft (2); One of them intermediate gear (5) is meshed with driving gear (4); Two intermediate gears (5) are meshed with two driven gears (6) correspondingly in addition, and a described driven gear (6) diameter is less than the diameter of another driven gear (6); Described changeover module is positioned between two driven gears (6) and with steering inner articulated shaft (18) and links to each other.
4. auto steerer according to claim 3 is characterized in that, transmitting ratio between described intermediate gear (5) and the driving gear (4) and intermediate gear (5) equate with transmitting ratio between one of them driven gear (6).
5. according to claim 3 or 4 described auto steerers, it is characterized in that be provided with support (14) between described Steering gear (16) and the steering inner articulated shaft (18), described input shaft (1), tween drive shaft (2) and output shaft (3) all are positioned on the support (14).
6. auto steerer according to claim 5 is characterized in that, described changeover module comprises a combined cover (7) and two zygotes (8); Described combined cover (7) circumferentially is fixed on the output shaft (3); Two zygotes (8) lay respectively at the two ends of combined cover (7) and are fixed on correspondingly on two driven gears (6); Described support (14) is provided with shift fork (9), and an end of shift fork (9) links to each other with combined cover (7), and the other end is connected with and can drives the actuator that shift fork (9) moves.
7. auto steerer according to claim 6 is characterized in that, described actuator is an electromagnet, and electromagnet is fixed on the support (14), and shift fork (9) links to each other with the iron core of electromagnet.
8. auto steerer according to claim 6 is characterized in that, described actuator is handle (12), and described handle (12) is hinged on the vehicle body, and described handle (12) is connected with shift fork (9) through drag-line (13).
9. auto steerer according to claim 6 is characterized in that, the path of motion two ends of described shift fork (9) the other end are equipped with a limiting stopper (10); Described limiting stopper (10) is fixed on the support (14).
10. auto steerer according to claim 9; It is characterized in that, be provided with between described one of them limiting stopper (10) and shift fork (9) the other end shift fork (9) the other end is had to another limiting stopper (10) direction near the spring (11) of trend all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210376.1A CN102303639B (en) | 2011-07-26 | 2011-07-26 | Automobile steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210376.1A CN102303639B (en) | 2011-07-26 | 2011-07-26 | Automobile steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303639A true CN102303639A (en) | 2012-01-04 |
| CN102303639B CN102303639B (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110210376.1A Active CN102303639B (en) | 2011-07-26 | 2011-07-26 | Automobile steering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102303639B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260776A (en) * | 2014-09-19 | 2015-01-07 | 江苏大学 | Locking device of dynamic steering system |
| CN106080754A (en) * | 2016-07-07 | 2016-11-09 | 吉林大学 | Line traffic control independent steering manipulation device and method of operating thereof for unilateral electrical fault |
| CN107054444A (en) * | 2017-05-03 | 2017-08-18 | 河南职业技术学院 | Steering machine and automobile steering system |
| CN107097841A (en) * | 2017-04-13 | 2017-08-29 | 北京汽车股份有限公司 | Steering mechanism and the vehicle with it |
| CN110126909A (en) * | 2019-06-24 | 2019-08-16 | 安徽安凯汽车股份有限公司 | A kind of steering system based on integral new-energy passenger |
| CN112687482A (en) * | 2021-01-22 | 2021-04-20 | 何贵庭 | Connecting device with two non-concentric shafts |
| CN114044048A (en) * | 2021-12-17 | 2022-02-15 | 东风汽车集团股份有限公司 | Variable transmission ratio tubular column |
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| JP2006213213A (en) * | 2005-02-04 | 2006-08-17 | Jtekt Corp | Transmission ratio variable steering device |
| CN101089420A (en) * | 2006-06-16 | 2007-12-19 | 比亚迪股份有限公司 | Double-clutch automatic transmission mechanism |
| CN101293532A (en) * | 2007-04-26 | 2008-10-29 | 日产自动车株式会社 | Variable gear ratio steering apparatus |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260776A (en) * | 2014-09-19 | 2015-01-07 | 江苏大学 | Locking device of dynamic steering system |
| CN104260776B (en) * | 2014-09-19 | 2017-01-11 | 江苏大学 | Locking device of dynamic steering system |
| CN106080754A (en) * | 2016-07-07 | 2016-11-09 | 吉林大学 | Line traffic control independent steering manipulation device and method of operating thereof for unilateral electrical fault |
| CN106080754B (en) * | 2016-07-07 | 2018-03-13 | 吉林大学 | For the line traffic control independent steering manipulation device and its method of operating of unilateral electrical fault |
| CN107097841A (en) * | 2017-04-13 | 2017-08-29 | 北京汽车股份有限公司 | Steering mechanism and the vehicle with it |
| CN107054444A (en) * | 2017-05-03 | 2017-08-18 | 河南职业技术学院 | Steering machine and automobile steering system |
| CN110126909A (en) * | 2019-06-24 | 2019-08-16 | 安徽安凯汽车股份有限公司 | A kind of steering system based on integral new-energy passenger |
| CN110126909B (en) * | 2019-06-24 | 2023-11-28 | 安徽安凯汽车股份有限公司 | Steering system based on new energy bus |
| CN112687482A (en) * | 2021-01-22 | 2021-04-20 | 何贵庭 | Connecting device with two non-concentric shafts |
| CN114044048A (en) * | 2021-12-17 | 2022-02-15 | 东风汽车集团股份有限公司 | Variable transmission ratio tubular column |
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|---|---|
| CN102303639B (en) | 2014-09-17 |
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