CN101973306B - Steering post for vehicles - Google Patents
Steering post for vehicles Download PDFInfo
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- CN101973306B CN101973306B CN2010105001322A CN201010500132A CN101973306B CN 101973306 B CN101973306 B CN 101973306B CN 2010105001322 A CN2010105001322 A CN 2010105001322A CN 201010500132 A CN201010500132 A CN 201010500132A CN 101973306 B CN101973306 B CN 101973306B
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- 230000009365 direct transmission Effects 0.000 abstract 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses a steering post for vehicles, a gear transmission mechanism, a direct transmission shaft (12) and a switching handle (13) are additionally arranged on a traditional steering post for vehicles. The input and output torque ratio is changed through the gear transmission mechanism, and the steering post for the vehicles has two work states: the conventional transmission ratio and the variable transmission ratio, and can meet the steering requirements required by high-speed and low-speed safe driving of the vehicles. The two work states of the steering post for the vehicles are controlled through the switching handle (13). The steering post for the vehicles can meet the steering requirements required by safe driving at different vehicle speeds, simultaneously maintains the design of the collision protection, and can provide safe protection for drivers during the vehicle collision. The invention is simple in structure and convenient in operation, and can meet the requirements for safety and humanization of the vehicles.
Description
Technical field
The present invention relates to the Vehicular turn field, be specifically related to a kind of steering column of vehicle.
Background technology
The Steering gear product of vehicle employing at present, the overwhelming majority is the structure of through-coupling form, and promptly chaufeur is added in the torque input on the bearing circle, directly is passed to deflector output through Steering gear, and the transmitting ratio of input end and mouth is 1: 1.At present most Steering gears be a separable structure up and down, and it protects the function of chaufeur when also having vehicle collision except that having the function of turning to.
In daily life; Consider from vehicle drive safety aspect; The Vehicular turn characteristic that chaufeur needs is: when vehicle original place idling or low speed driving turn to, hope that vehicle can be main with sensitivity, just under the condition of as far as possible lacking steering wheel rotation, accomplish the steering operation of expectation; When high vehicle speeds turns to, do not hope that then vehicle is too sensitive, just hope under the condition of changeing many steering wheel rotations relatively, to accomplish the steering operation of expectation.The cornering properties of vehicle can be controlled through Steering gear input and output torque transmission ratios: when promptly automotive steering angle was identical, output torque was little, needed more steering wheel rotation; Output torque is big, then only needs less steering wheel rotation.Above said conventional Steering gear owing to have only a kind of input and output torque transmission ratios, can't satisfy these two kinds simultaneously and turn to demand.
Summary of the invention
Technical matters to be solved by this invention provides a kind of steering column of vehicle, satisfies two kinds of required Vehicular turn demands of vehicle security drive on the one hand, the function of protection chaufeur when keeping vehicle collision on the other hand.
To achieve these goals, the technical scheme of the present invention's employing is:
Described this steering column of vehicle comprises tubular axis, steering shaft, support, gear drive, elastic support, direct drive shaft, switching handle.
Described tubular axis is divided into two, and is divided into tubular axis and reaches tubular axis down.
Described steering shaft is divided into two, and is divided into axle and lower shaft.
Support is used for fixing tubular axis and steering shaft, is divided into upper bracket and lower bracket.
Last axle mounting is in last tubular axis, and last tubular axis and the fixing end of last axle are fixed on the upper bracket, and lower shaft is installed in down in the tubular axis, and the fixing end of following tubular axis and lower shaft is fixed on the lower bracket.
The free end of following tubular axis is connected with the free end of last tubular axis.As the preferred scheme of the present invention, last tubular axis free end adopts the mode of interference fit to be connected with following tubular axis free end, and following tubular axis free end is pressed in the tubular axis free end.
The free end of last axle has through hole, and the free end of lower shaft has through hole.
Gear drive is used for the torque transmission ratios of conversion Steering gear, the big or small visual particular case adjustment of transmitting ratio.
As the preferred scheme of the present invention, the transmitting ratio of gear drive is 1: 0.8.
Gear drive comprises first gear, second gear and gear wheel shaft.First gear and second gear can be selected spur gear wheel.
Elastic support is divided into first elastic support and second elastic support, is used for fixing gear wheel shaft.
The driving wheel of first gear is fixed on the free end of axle, and the flower wheel of first gear is fixed on the end of gear wheel shaft, and the driving wheel of second gear is fixed on the other end of gear wheel shaft, and the flower wheel of second gear is fixed on the free end of lower shaft.
Gear wheel shaft is fixed on tubular axis and the following tubular axis through first elastic support and second elastic support.First elastic support is welded on the tubular axis, and second elastic support is welded on down on the tubular axis.
Direct drive shaft is used to connect the upward axle and the lower shaft of said steering column of vehicle, transmission torque.The two ends of direct drive shaft are connected with last axle and lower shaft free end, and the two ends of direct drive shaft are stretched in axle and the free-ended through hole of lower shaft.
As the preferred scheme of the present invention, direct drive shaft is connected through spline with last axle and lower shaft, has cooresponding keyway in the through hole of last axle and lower shaft, and the two ends of direct drive shaft have cooresponding keyway.
The switching handle is used to control the position of direct drive shaft, realizes the switching of two kinds of torque transmission ratios of described steering column of vehicle.
Switch handle and be installed on the direct drive shaft, a described side that goes up tubular axis has slotted eye, and the handle end that switches handle passes from slotted eye.
The invention has the advantages that:
1, on traditional steering column of vehicle, increases gear drive, direct drive shaft and switching handle; Through simple operations; Satisfy the needed two kinds of cornering propertieses of safe driving of vehicle, the present invention is simple in structure, easy to operate, can satisfy the demand that vehicle safety is driven.
2, through Steering gear being made the mode of separating up and down, protect the function of chaufeur when vehicle collision is provided, the present invention satisfies safety and hommization requirement, and the present invention has practical value.
Description of drawings
Face the content of each width of cloth accompanying drawing expression of specification sheets of the present invention and the mark among the figure down and make brief description:
Fig. 1 is the said steering column of vehicle first working state structure scheme drawing;
Fig. 2 is the said steering column of vehicle second working state structure scheme drawing;
Said steering column of vehicle functional schematic when Fig. 3 is vehicle collision;
Mark among the above-mentioned figure is:
1, upper bracket, 2, go up axle, 3, first elastic support, 4, go up tubular axis, 5, first gear, 6, gear wheel shaft, 7, second gear, 8, central siphon down, 9, second elastic support, 10, lower shaft, 11, lower bracket, 12, direct drive shaft, 13, switch handle.
The specific embodiment
Contrast accompanying drawing below; Through description to embodiment; The effect and the principle of work of mutual alignment between the shape of specific embodiments of the invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc.; Do further detailed explanation, design of the present invention, technical scheme are had more complete, accurate and deep understanding to help those skilled in the art.
Steering column of vehicle as shown in Figure 1, comprise upper bracket 1, go up axle 2, first elastic support 3, go up tubular axis 4, first gear 5, gear wheel shaft 6, second gear 7, down central siphon 8, second elastic support 9, lower shaft 10, lower bracket 11, direct drive shaft 12, switch handle 13.
The free end interference fit of the free end of last tubular axis 4 and following central siphon 8, last tubular axis 4 is pressed into down in the tubular axis 8.
The free end of last axle 2 has through hole, and the free end of lower shaft 10 has through hole.
One end of direct drive shaft 12 stretches in the through hole of axle 2, and the other end of direct drive shaft 12 stretches in the through hole of lower shaft 10.
The driving wheel of first gear 5 is fixed on the free end of axle 2, and the flower wheel of first gear 5 is fixed on the end of gear wheel shaft 6, and the driving wheel of second gear 7 is fixed on the other end of gear wheel shaft 6, and the flower wheel of second gear 7 is fixed on the free end of lower shaft 10.
A described side that goes up tubular axis 4 has slotted eye, and the handle end that switches handle 13 passes from slotted eye.
Principle of work of the present invention is: described steering column of vehicle has two mode of operations, can satisfy the required cornering properties of safe driving of vehicle.Be specially:
Steering gear first mode of operation as shown in Figure 1: switch handle 13 in the initial position; Direct drive shaft 12 is connected with last axle 2 and lower shaft 10; Input torque is through last axle 2, direct drive shaft 12 and lower shaft 10; By mouth output, the input and output torque transmission ratios is 1: 1, and corresponding vehicle turns to demand when scorch.
Steering gear second mode of operation as shown in Figure 2: move and switch handle 13; The disconnection that is connected of direct drive shaft 12 and lower shaft 10; Input torque is through last axle 2, gear wheel shaft 3 and lower shaft 10, and by mouth output, the input and output torque transmission ratios is a gear multiplication; Choosing gear multiplication is 1: 0.8, and corresponding vehicle is idling or turn to demand when driving at low speed in the original place.
Said steering column of vehicle functional schematic during vehicle collision as shown in Figure 3; When collision happens, upper bracket 1 is cut off under the effect of power, and last axle 2 and last tubular axis 4 move down; First elastic support 3 is cut off; The engagement of first gear 5 is broken off, and last axle 2 and last tubular axis 4 continue to move down, for chaufeur provides required crash protection distance.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (6)
1. steering column of vehicle; Comprise upper bracket (1), lower bracket (11), last axle (2), a lower shaft (10), go up tubular axis (4), following tubular axis (8); Last axle (2) is installed in the tubular axis (4); Last tubular axis (4) is installed on the upper bracket (1) with the fixing end of last axle (2), and lower shaft (10) is installed in down in the tubular axis (8), and following tubular axis (8) is installed on the lower bracket (11) with the fixing end of lower shaft (10); The free end of following tubular axis (8) is connected with the free end of last tubular axis (4), it is characterized in that: it also comprises direct drive shaft (12), switches handle (13), gear drive, first elastic support (3) and second elastic support (9); Described switching handle (13) is installed on the direct drive shaft (12); The described free end of going up axle (2) and lower shaft (10) has through hole, and the two ends of direct drive shaft (12) are connected with the free end of last axle (2) and lower shaft (10) respectively, and a described side that goes up tubular axis (4) has slotted eye, switches handle (13) and passes from slotted eye; Described gear drive comprises first gear (5), second gear (7) and gear wheel shaft (6); The driving wheel of first gear (5) is fixed on the free end of axle (2); The flower wheel of first gear (5) is fixed on the end of gear wheel shaft (6); The flower wheel of second gear (7) is fixed on down the free end of tubular axis (8), and the driving wheel of second gear (7) is fixed on the other end of gear wheel shaft (6); Gear wheel shaft (6) is fixed on tubular axis (4) and the following tubular axis (8) through first elastic support (3) and second elastic support (9).
2. according to the described steering column of vehicle of claim 1, it is characterized in that: the two ends of direct drive shaft (12) are stretched in the through hole of axle (2) and lower shaft (10), and direct drive shaft (12) is connected through spline with last axle (2) and lower shaft (10).
3. according to claim 1 or 2 described steering column of vehicle, it is characterized in that: first elastic support (3) and last tubular axis (4) welding, second elastic support (9) and following tubular axis (8) welding.
4. according to the described steering column of vehicle of claim 3, it is characterized in that: following tubular axis (8) is connected through interference fit with last tubular axis (4).
5. according to the described steering column of vehicle of claim 4, it is characterized in that: first gear (5) is 1: 0.8 with the transmitting ratio of second gear (7).
6. according to the described steering column of vehicle of claim 5, it is characterized in that: first gear (5) and second gear (7) are spur gear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105001322A CN101973306B (en) | 2010-09-30 | 2010-09-30 | Steering post for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105001322A CN101973306B (en) | 2010-09-30 | 2010-09-30 | Steering post for vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101973306A CN101973306A (en) | 2011-02-16 |
| CN101973306B true CN101973306B (en) | 2012-06-27 |
Family
ID=43573224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105001322A Active CN101973306B (en) | 2010-09-30 | 2010-09-30 | Steering post for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101973306B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196954A (en) * | 2015-10-12 | 2015-12-30 | 北京汽车股份有限公司 | Automobile steering control system and automobile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406894Y (en) * | 2000-01-24 | 2000-11-22 | 任叶林 | Safety steering column for steering wheel |
| CN201217446Y (en) * | 2008-05-19 | 2009-04-08 | 肖津桃 | Steering mechanism with variable-gear-ratio of automobile |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3908093B2 (en) * | 2002-06-11 | 2007-04-25 | 株式会社ジェイテクト | Variable transmission ratio steering device |
| JP2006290249A (en) * | 2005-04-13 | 2006-10-26 | Nissan Motor Co Ltd | Vehicular variable steering angle device |
| JP2006290250A (en) * | 2005-04-13 | 2006-10-26 | Nissan Motor Co Ltd | Variable steering angle device for vehicle |
-
2010
- 2010-09-30 CN CN2010105001322A patent/CN101973306B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406894Y (en) * | 2000-01-24 | 2000-11-22 | 任叶林 | Safety steering column for steering wheel |
| CN201217446Y (en) * | 2008-05-19 | 2009-04-08 | 肖津桃 | Steering mechanism with variable-gear-ratio of automobile |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2004-9981A 2004.01.15 |
| JP特开2006-290249A 2006.10.26 |
| JP特开2006-290250A 2006.10.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101973306A (en) | 2011-02-16 |
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