CN205292777U - Electronic power assisted steering ware of electric automobile - Google Patents
Electronic power assisted steering ware of electric automobile Download PDFInfo
- Publication number
- CN205292777U CN205292777U CN201521094471.XU CN201521094471U CN205292777U CN 205292777 U CN205292777 U CN 205292777U CN 201521094471 U CN201521094471 U CN 201521094471U CN 205292777 U CN205292777 U CN 205292777U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- worm
- power
- steering
- power shaft
- 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.)
- Active
Links
Landscapes
- Power Steering Mechanism (AREA)
Abstract
The utility model belongs to the technical field of the car. An electronic power assisted steering ware of electric automobile, include steering gear rack shaft, cladding setting at the steering gear casing in the steering gear rack shaft outside with set up the drag link at steering gear rack shaft both ends, the steering gear casing be provided with input shaft assembly and worm gear helping hand assembly respectively in both ends about, the worm wheel of motor output and worm gear mechanism match the meshing, the worm output and the steering gear rack shaft of worm gear mechanism match the meshing, torque sensor have a controller through wiring harness connection, by the go to action of controller control motor with input shaft synchro -driven steering gear rack shaft. The utility model discloses an input shaft and worm gear mechanism carry out the motion of synchro -driven steering gear rack shaft, and drive power is big, can be fit for turning to of big axle load vehicle, and its stability is good, power -assisted steering big, the reaction is sensitive, high transmission efficiency, and the energy consumption is low.
Description
Technical field
This utility model belongs to automobile technical field, is specifically related to a kind of electric automobile electric booster steering device.
Background technology
In current China market, widely used automobile booster steering gear has hydraulic power steering gear and electric booster steering device. It is slow to there is reaction in hydraulic power steering gear, it is easy to leakage of oil, the shortcoming that noise is big, and increases fuel oil consumption; Electric booster steering device is in the majority with steering tube pillar, insufficient rigidity, and power-assisted is less, noise is bigger than normal, and along with the structural design to automotive light weight technology, it is necessary to for the weight of whole steering gear and structure innovation simultaneously, it is ensured that the stability of structure, transmission power-assisted are big, good rigidity, energy consumption are low.
Utility model content
The purpose of this utility model is for above-mentioned Problems existing and deficiency, it is provided that a kind of reasonable in design, is quick on the draw, rigidity is big and energy consumption is low electric automobile electric booster steering device.
For reaching above-mentioned purpose, adopted the technical scheme that:
A kind of electric automobile electric booster steering device, it is arranged on the steering gear housing outside steering gear rack axle including steering gear rack axle, cladding and is arranged on the drag link at steering gear rack axle two ends, the two ends, left and right of described steering gear housing are respectively arranged with power shaft assembly and worm and gear power-assisted assembly, and described power shaft assembly includes power shaft assembly shell, end and mates the power shaft engaged and the torque sensor being arranged in power shaft assembly shell with steering gear rack axle; Described worm and gear power-assisted assembly includes worm and gear power-assisted assembly shell, motor and worm-and-wheel gear, described motor output end engages with the worm gear coupling of worm-and-wheel gear, and the worm screw outfan of worm-and-wheel gear engages with steering gear rack axle coupling; Described torque sensor is connected to controller by wire harness, controller control the motor go to action that drive steering gear rack axle Tong Bu with power shaft.
Described steering gear housing includes the left section of steering gear housing in hollow structure and right section of steering gear housing, described power shaft assembly shell includes power shaft assembly upper shell and power shaft assembly lower house, and described worm and gear power-assisted assembly shell includes worm and gear power-assisted assembly upper shell and worm and gear power-assisted assembly lower house;Wherein left section of steering gear housing is integrated casting with power shaft assembly lower house, right section of described steering gear housing and worm and gear power-assisted assembly lower house are integrated casting, described steering gear housing, power shaft assembly shell, worm and gear power-assisted assembly shell material be aluminium alloy.
Left section of described steering gear housing and right section of steering gear housing it is provided with installing hole, and left section of steering gear housing and right section of steering gear housing outer wall are provided with strengthening rib strip.
Adopt technique scheme, acquired provide the benefit that:
1. this utility model is undertaken synchronizing to drive the motion of steering gear rack axle by power shaft and worm-and-wheel gear, and driving force is big, it is possible to be suitable for the turning to of big axle load vehicle, and its good stability, power steering are big, be quick on the draw, transmission efficiency is high, and energy consumption is low.
2. steering gear housing of the present utility model, power shaft assembly shell, worm and gear power-assisted assembly shell material all adopt aluminium alloy, thus effectively reducing the weight of steering gear, simultaneously by the design of steering gear housing structure be greatly strengthen its intensity, and then by the integrally casting molding to left section of steering gear housing Yu power shaft assembly lower house, integrally casting molding to right section of steering gear housing Yu worm and gear power-assisted assembly lower house, so that the structural stability of whole power-assisted steering device is better, rigidity is bigger, coordinate more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is A-A in Fig. 1 to structural representation.
Fig. 3 is B-B in Fig. 1 to structural representation.
Fig. 4 be Fig. 1 look up structural representation.
Sequence number in figure: 1 be left section of steering gear housing, 2 be right section of steering gear housing, 3 be drag link, 4 be power shaft assembly upper shell, 5 be power shaft assembly lower house, 6 be power shaft, 7 be torque sensor, 8 be worm and gear power-assisted assembly upper shell, 9 be worm and gear power-assisted assembly lower house, 10 be motor, 11 be worm-and-wheel gear, 12 be wire harness, 13 be installing hole, 14 be strengthening rib strip, 15 be steering gear rack axle.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
Participate in Fig. 1-Fig. 4, this utility model one electric automobile electric booster steering device, it is arranged on the steering gear housing outside steering gear rack axle 15 including steering gear rack axle 15, cladding and is arranged on the drag link 3 at steering gear rack axle 15 two ends, described steering gear housing includes the left section of steering gear housing 1 in hollow structure and right section of steering gear housing 2, left section of described steering gear housing 1 and right section of steering gear housing 2 it is provided with installing hole 13, and left section of steering gear housing 1 and right section of steering gear housing 2 outer wall are provided with strengthening rib strip 14.
The two ends, left and right of wherein said steering gear housing are respectively arranged with power shaft assembly and worm and gear power-assisted assembly, and described power shaft assembly includes power shaft assembly shell, end and mates the power shaft 6 engaged and the torque sensor 7 being arranged in power shaft assembly shell with steering gear rack axle 15; Described worm and gear power-assisted assembly includes worm and gear power-assisted assembly shell, motor 10 and worm-and-wheel gear 11, described motor 10 outfan engages with the worm gear coupling of worm-and-wheel gear, and the worm screw outfan of worm-and-wheel gear engages with steering gear rack axle 15 coupling; Described torque sensor 7 is connected to controller by wire harness, controller control motor 10 go to action that drive steering gear rack axle 15 synchronize with power shaft 6.
Described power shaft assembly shell includes power shaft assembly upper shell 4 and power shaft assembly lower house 5, and described worm and gear power-assisted assembly shell includes worm and gear power-assisted assembly upper shell 8 and worm and gear power-assisted assembly lower house 9; Wherein left section of steering gear housing 1 is integrated casting with power shaft assembly lower house 5, described right section of steering gear housing 2 and worm and gear power-assisted assembly lower house 9 are integrated casting, described steering gear housing, power shaft assembly shell, worm and gear power-assisted assembly shell material be aluminium alloy.
Operation principle of the present utility model is: torque sensor is enclosed in input shaft housing, and torque sensor is electrically connected with the controller, and motor is electrically connected with the controller, and motor drives worm gear structure motion. When power shaft rotates, torque sensor gathers signal and is supplied to controller, controller is according to the speed detected from vehicle, moment of torsion, angular signal, calculate rotating speed and the moment of torsion of motor, and drive motor rotates, driven by motor worm-and-wheel gear moves, and worm screw outfan drives steering gear rack axle to move, thus jointly being driven steering gear to complete to turn to by power shaft and motor.
This utility model is undertaken synchronizing to drive the motion of steering gear rack axle by power shaft and worm-and-wheel gear, driving force is big, turning to of big axle load vehicle can be suitable for, its good stability, power steering is big, it is quick on the draw, transmission efficiency is high, and energy consumption is low, steering gear housing of the present utility model, power shaft assembly shell, the material of worm and gear power-assisted assembly shell all adopts aluminium alloy, thus effectively reducing the weight of steering gear, simultaneously by the design of steering gear housing structure be greatly strengthen its intensity, and then by the integrally casting molding to left section of steering gear housing Yu power shaft assembly lower house, integrally casting molding to right section of steering gear housing Yu worm and gear power-assisted assembly lower house, so that the structural stability of whole power-assisted steering device is better, rigidity is bigger, coordinate more stable.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described. Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; simply principles of the invention described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within claimed the scope of the present invention. The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (3)
1. an electric automobile electric booster steering device, it is arranged on the steering gear housing outside steering gear rack axle including steering gear rack axle, cladding and is arranged on the drag link at steering gear rack axle two ends, it is characterized in that: the two ends, left and right of described steering gear housing are respectively arranged with power shaft assembly and worm and gear power-assisted assembly, described power shaft assembly includes power shaft assembly shell, end and mates the power shaft engaged and the torque sensor being arranged in power shaft assembly shell with steering gear rack axle; Described worm and gear power-assisted assembly includes worm and gear power-assisted assembly shell, motor and worm-and-wheel gear, described motor output end engages with the worm gear coupling of worm-and-wheel gear, and the worm screw outfan of worm-and-wheel gear engages with steering gear rack axle coupling; Described torque sensor is connected to controller by wire harness, controller control the motor go to action that drive steering gear rack axle Tong Bu with power shaft.
2. electric automobile electric booster steering device according to claim 1, it is characterized in that: described steering gear housing includes the left section of steering gear housing in hollow structure and right section of steering gear housing, described power shaft assembly shell includes power shaft assembly upper shell and power shaft assembly lower house, and described worm and gear power-assisted assembly shell includes worm and gear power-assisted assembly upper shell and worm and gear power-assisted assembly lower house; Wherein left section of steering gear housing is integrated casting with power shaft assembly lower house, right section of described steering gear housing and worm and gear power-assisted assembly lower house are integrated casting, described steering gear housing, power shaft assembly shell, worm and gear power-assisted assembly shell material be aluminium alloy.
3. electric automobile electric booster steering device according to claim 2, it is characterized in that: left section of described steering gear housing and right section of steering gear housing be provided with installing hole, and left section of steering gear housing and right section of steering gear housing outer wall are provided with strengthening rib strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521094471.XU CN205292777U (en) | 2015-12-26 | 2015-12-26 | Electronic power assisted steering ware of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521094471.XU CN205292777U (en) | 2015-12-26 | 2015-12-26 | Electronic power assisted steering ware of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292777U true CN205292777U (en) | 2016-06-08 |
Family
ID=56472657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521094471.XU Active CN205292777U (en) | 2015-12-26 | 2015-12-26 | Electronic power assisted steering ware of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205292777U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226129A (en) * | 2017-06-22 | 2017-10-03 | 安徽德孚转向系统股份有限公司 | A kind of new automobile electric power-assisted steering apparatus |
| CN112590920A (en) * | 2020-12-23 | 2021-04-02 | 昌辉汽车转向系统（黄山）有限公司 | Automotive double-gear type electric power steering system and automobile |
-
2015
- 2015-12-26 CN CN201521094471.XU patent/CN205292777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226129A (en) * | 2017-06-22 | 2017-10-03 | 安徽德孚转向系统股份有限公司 | A kind of new automobile electric power-assisted steering apparatus |
| CN112590920A (en) * | 2020-12-23 | 2021-04-02 | 昌辉汽车转向系统（黄山）有限公司 | Automotive double-gear type electric power steering system and automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102673637A (en) | Electric power-assisted steering system for commercial vehicle | |
| CN205292777U (en) | Electronic power assisted steering ware of electric automobile | |
| CN105346592A (en) | Universal drive module | |
| CN202345754U (en) | Automotive electric power-assisted steering system based on controller area network (CAN) bus | |
| CN104210536A (en) | Electric power steering apparatus for vehicle | |
| CN203739970U (en) | Circulating ball type electric power steering gear adopting novel sensor | |
| CN205327155U (en) | Electronic steering gear of circulation ball formula | |
| CN205154984U (en) | Electronic parking brake power assembly mechanism | |
| CN204055356U (en) | The electric differential drive axle of planetary gear construction | |
| CN204355140U (en) | A kind of pinion and-rack electric booster steering device | |
| CN105128927A (en) | Automobile electric power steering device | |
| CN101885366B (en) | Gearbox improvement structure for electric vehicle | |
| CN101780809A (en) | Electric power steering gear | |
| CN205010311U (en) | Electronic helping hand auto steering ware | |
| CN203713508U (en) | Installation structure of electric vehicle powertrain | |
| CN203294176U (en) | Electric power steering device of four-wheel motor vehicle | |
| CN207328562U (en) | A kind of high-power electric power-assisted steering tubular column | |
| CN207644294U (en) | A kind of automobile dismountable vehicle target | |
| CN203177838U (en) | Angle and torque sensor assembly used for automobile electric power assisted steering | |
| CN206813093U (en) | A kind of power steering apparatus suitable for minicar | |
| CN202608866U (en) | Electric power-assisted steering system of hybrid electrical vehicle | |
| CN201009987Y (en) | Model tricycle with improved toothed wheel | |
| CN201534564U (en) | Electric power-assisted steering gear | |
| CN205524442U (en) | Electronic steering helping hand system suitable for mechanical steering fork truck | |
| CN203747614U (en) | Integrated brushless DC motor device for scooter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |