CN206691183U - A kind of collapsible steering shaft mechanism based on rack-and-pinion - Google Patents
A kind of collapsible steering shaft mechanism based on rack-and-pinion Download PDFInfo
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- CN206691183U CN206691183U CN201720459650.1U CN201720459650U CN206691183U CN 206691183 U CN206691183 U CN 206691183U CN 201720459650 U CN201720459650 U CN 201720459650U CN 206691183 U CN206691183 U CN 206691183U
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- steering spindle
- steering
- rack
- sleeve column
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Abstract
The utility model discloses a kind of collapsible steering shaft mechanism based on rack-and-pinion, including steering spindle and adjusting part, the steering spindle includes steering spindle one and the flexible steering spindle two for being arranged on the lower end of steering spindle one, the adjusting part includes the sleeve column being enclosed in steering spindle one and the Bidirectional output electric machine for being arranged on sleeve column side, and it is arranged on the rack on the vehicle frame of steering spindle both sides, the steering spindle one is rotatablely connected with sleeve column, gear is fixedly connected with the output shaft at the Bidirectional output electric machine both ends, the wheel and rack is meshed.The utility model makes steering spindle automatic telescopic function can be achieved after artificial and automatic mode mutually switches, and substantial amounts of activity space is vacateed to human pilot, suitable for pilotless automobile field.
Description
Technical field
A kind of collapsible steering shaft mechanism based on rack-and-pinion is the utility model is related to, is applicable pilotless automobile direction
Disk adjusts field.
Background technology
It is well known that major small enterprise of the world researches and develops pilotless automobile, it, which has, is swift in response, safe and reliable etc.
Advantage.At present, pilotless automobile not yet realizes overall safety automatic Pilot, still maintains pilot steering function.When nobody drives
When sailing automatic driving, steering wheel does not work, and occupies the larger space of operating seat, influences passenger inside the vehicle
Comfort level.
The content of the invention
Technical problem to be solved in the utility model is the defects of overcoming prior art, there is provided one kind is based on rack-and-pinion
Collapsible steering shaft mechanism, realize the automatic telescopic of steering wheel, realize freely cutting for steering wheel artificial mode and automatic mode
Change, the comfort level that increase driver rides.
The utility model solves above-mentioned technical problem and adopted the technical scheme that：A kind of telescopic turn based on rack-and-pinion
To axis mechanism, including steering spindle and adjusting part, the steering spindle includes steering spindle one and stretched to be arranged on the lower end of steering spindle one
Steering spindle two, the adjusting part includes the sleeve column that is enclosed in steering spindle one and the bidirectional output electricity for being arranged on sleeve column side
Machine, and the rack being arranged on the vehicle frame of steering spindle both sides, the steering spindle one are rotatablely connected with sleeve column, the bidirectional output electricity
Gear is fixedly connected with the output shaft at machine both ends, the wheel and rack is meshed.
Further, the upper end of the steering spindle one is fixedly connected with steering wheel, and the lower end of the steering spindle two turns with in-car
It is fixedly connected to device.Driver passes sequentially through steering spindle one and steering spindle two drives steering gear to turn when steering wheel rotation
It is dynamic.
Further, the steering spindle one and sleeve column connecting place periphery are provided with some bulge loops, be provided with the sleeve column with
The annular groove that bulge loop matches, by the cooperation of bulge loop and annular groove, the steering spindle one is rotatablely connected with sleeve column.Driver is utilizing
When steering wheel rotates steering spindle one, in order to prevent sleeve column from following steering spindle one to rotate, between the two using rotation connection, profit
Realize that steering spindle one freely rotates in sleeve column with rotation of the bulge loop in annular groove.
Further, some axial bar teeth, the steering spindle are provided with the outer wall of the steering spindle one below the sleeve column
Two be hollow structure, is provided with the teeth groove to match with bar tooth on its inwall, and the steering spindle one is nibbled by bar tooth and teeth groove
Close the flexible upper end for being arranged on steering spindle two.Steering spindle one is transmitted by the cooperation of bar tooth and teeth groove and turned during rotation
Square, so as to drive steering spindle two to rotate, and can bar tooth realize that steering spindle one is flexible in steering spindle two in the teeth groove.
Further, the both ends of the rack are respectively arranged with limited block.During gear moves up and down on rack, tooth
The limited block at bar both ends can be limited gear, so as to which the flexible of steering spindle is limited in certain scope.
Further, the Bidirectional output electric machine is provided at both ends with support, and the support is bolted on sleeve column,
The output shaft of the Bidirectional output electric machine is connected through support with gear.Bidirectional output electric machine is fixed on set by the support at both ends
On post.
After employing above-mentioned technical proposal, the utility model has following beneficial effect：The utility model is using two-way
Output motor band moving gear moves on rack, and moving up and down for gear drives sleeve column movement to realize that steering spindle one is turning to
It is upper and lower flexible in axle two, reach the effect of regulation steering wheel height, realize the automatic of automobile artificial mode and automatic mode
Switching, add the comfortableness that driver rides.
Brief description of the drawings
Fig. 1 is a kind of structure chart of the collapsible steering shaft mechanism based on rack-and-pinion of the present utility model；
Fig. 2 is a kind of peace of the Bidirectional output electric machine of the collapsible steering shaft mechanism based on rack-and-pinion of the present utility model
Assembling structure figure；
Fig. 3 be a kind of collapsible steering shaft mechanism based on rack-and-pinion of the utility model between steering spindle one and sleeve column
The profile of junction when three groups of bulge loops and annular groove are set；
Fig. 4 is steering spindle one and steering spindle in a kind of collapsible steering shaft mechanism based on rack-and-pinion of the present utility model
The cross-sectional view of junction when four groups of bar teeth and teeth groove are set between two；
In figure：1. steering spindle one, 2. steering spindles two, 3. sleeve columns, 4. Bidirectional output electric machines, 5. vehicle frames, 6. racks, 7. teeth
Wheel, 8. steering wheels, 9. bulge loops, 10. annular grooves, 11. teeth, 12. teeth groove, 13. limited blocks, 14. supports.
Embodiment
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail to the utility model.
As Figure 1-4, a kind of collapsible steering shaft mechanism based on rack-and-pinion, including steering spindle and adjusting part,
The steering spindle includes steering spindle 1 and the flexible steering spindle 22 for being arranged on the lower end of steering spindle 1, and the adjusting part includes
The sleeve column 3 that is enclosed in steering spindle 1 and the Bidirectional output electric machine 4 of the side of sleeve column 3 is arranged on, and is arranged on steering spindle both sides car
Rack 6 on frame 5, the steering spindle 1 are rotatablely connected with sleeve column 3, fixed on the output shaft at the both ends of Bidirectional output electric machine 4
Gear 7 is connected with, the gear 7 is meshed with rack 6.
The upper end of the steering spindle 1 is fixedly connected with steering wheel 8, lower end and the in-car steering gear of the steering spindle 22
It is fixedly connected.
The steering spindle 1 and the connecting place periphery of sleeve column 3 are provided with some bulge loops 9, are provided with the sleeve column 3 and bulge loop
9 annular grooves 10 to match, by the cooperation of bulge loop 9 and annular groove 10, the steering spindle 1 is rotatablely connected with sleeve column 3.
Some axial bar teeth 11, the steering spindle 22 are provided with the outer wall of the steering spindle 1 of the lower section of sleeve column 3
For hollow structure, the teeth groove 12 to match with bar tooth 11 is provided with its inwall, the steering spindle 1 passes through bar tooth 11 and teeth groove
The 12 flexible upper end for being arranged on steering spindle 22 of engagement.
The both ends of the rack 6 are respectively arranged with limited block 13.
The Bidirectional output electric machine 4 is provided at both ends with support 14, and the support 14 is bolted on sleeve column 3,
The output shaft of the Bidirectional output electric machine 4 is connected through support 14 with gear 7.
When vehicle stopping or automatic Pilot, two gears 7 are attached to two limited blocks 13 of two tail ends of rack 6
On, bidirectional output motor 4 stops, and steering spindle is retracted to most short position, and steering wheel 8 is attached on vehicle frame 5.
When pilot steering is needed, bidirectional output motor 4 is run, and two gears 7 rotate, due to two racks 6
It is fixed on vehicle frame 5, two gears 7 move with sleeve column 3 along two racks 6, when steering wheel 8 rises to correct position,
Bidirectional output electric machine 4 is stopped, and gear 7 stops movement.And when two gears 7 touch two limits on two tops of rack 6
When block 13 of position, steering spindle reaches most long position.
Compared with prior art, the utility model achievable steering spindle after artificial and automatic mode mutually switches is stretched automatically
Contracting function, substantial amounts of activity space is vacateed to human pilot.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect solved to the utility model are entered
Further description is gone, should be understood that and the foregoing is only specific embodiment of the utility model, and do not have to
In limitation the utility model, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements done
Deng should be included within the scope of protection of the utility model.
Claims (6)
- A kind of 1. collapsible steering shaft mechanism based on rack-and-pinion, it is characterised in that：It is described including steering spindle and adjusting part Steering spindle includes steering spindle one and the flexible steering spindle two for being arranged on the lower end of steering spindle one, and the adjusting part includes being enclosed on steering Sleeve column on axle one and the Bidirectional output electric machine of sleeve column side is arranged on, and the rack being arranged on the vehicle frame of steering spindle both sides, The steering spindle one is rotatablely connected with sleeve column, and gear is fixedly connected with the output shaft at the Bidirectional output electric machine both ends, described Wheel and rack is meshed.
- A kind of 2. collapsible steering shaft mechanism based on rack-and-pinion according to claim 1, it is characterised in that：Described turn Steering wheel is connected with to the upper end of axle one, the lower end of the steering spindle two is fixedly connected with in-car steering gear.
- A kind of 3. collapsible steering shaft mechanism based on rack-and-pinion according to claim 2, it is characterised in that：Described turn Axle one and sleeve column connecting place periphery are provided with some bulge loops, the annular groove to match with bulge loop is provided with the sleeve column, is passed through The cooperation of bulge loop and annular groove, the steering spindle one are rotatablely connected with sleeve column.
- A kind of 4. collapsible steering shaft mechanism based on rack-and-pinion according to claim 3, it is characterised in that：The set It is provided with some axial bar teeth on the outer wall of steering spindle one below post, the steering spindle two is hollow structure, on its inwall It is provided with the teeth groove to match with bar tooth, the steering spindle one flexible is arranged on steering spindle two by engaging for bar tooth and teeth groove Upper end.
- A kind of 5. collapsible steering shaft mechanism based on rack-and-pinion according to claim 4, it is characterised in that：The tooth The both ends of bar are respectively arranged with limited block.
- A kind of 6. collapsible steering shaft mechanism based on rack-and-pinion according to claim 5, it is characterised in that：It is described double To the support that is provided at both ends with of output motor, the support is bolted on sleeve column, the Bidirectional output electric machine it is defeated Shaft is connected through support with gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459650.1U CN206691183U (en) | 2017-04-28 | 2017-04-28 | A kind of collapsible steering shaft mechanism based on rack-and-pinion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459650.1U CN206691183U (en) | 2017-04-28 | 2017-04-28 | A kind of collapsible steering shaft mechanism based on rack-and-pinion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206691183U true CN206691183U (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720459650.1U Active CN206691183U (en) | 2017-04-28 | 2017-04-28 | A kind of collapsible steering shaft mechanism based on rack-and-pinion |
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| CN (1) | CN206691183U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625077A (en) * | 2018-12-10 | 2019-04-16 | 内蒙古麦酷智能车技术有限公司 | A kind of shrinkable steering wheel for pilotless automobile |
| WO2020043387A1 (en) * | 2018-08-28 | 2020-03-05 | Volkswagen Aktiengesellschaft | Electrically adjustable steer-by-wire steering column and motor vehicle |
| CN111731372A (en) * | 2019-03-25 | 2020-10-02 | Zf汽车业德国有限公司 | Steer-by-wire steering system |
| CN112606820A (en) * | 2020-12-17 | 2021-04-06 | 山东得知科技发展有限公司 | Automobile safety system |
-
2017
- 2017-04-28 CN CN201720459650.1U patent/CN206691183U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020043387A1 (en) * | 2018-08-28 | 2020-03-05 | Volkswagen Aktiengesellschaft | Electrically adjustable steer-by-wire steering column and motor vehicle |
| CN109625077A (en) * | 2018-12-10 | 2019-04-16 | 内蒙古麦酷智能车技术有限公司 | A kind of shrinkable steering wheel for pilotless automobile |
| CN109625077B (en) * | 2018-12-10 | 2022-05-27 | 内蒙古麦酷智能车技术有限公司 | A collapsible steering wheel for unmanned car |
| CN111731372A (en) * | 2019-03-25 | 2020-10-02 | Zf汽车业德国有限公司 | Steer-by-wire steering system |
| CN111731372B (en) * | 2019-03-25 | 2024-04-12 | Zf汽车业德国有限公司 | Steer-by-wire steering system |
| CN112606820A (en) * | 2020-12-17 | 2021-04-06 | 山东得知科技发展有限公司 | Automobile safety system |
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