CN215154992U - Electric steering control mechanism - Google Patents
Electric steering control mechanism Download PDFInfo
- Publication number
- CN215154992U CN215154992U CN202120770809.8U CN202120770809U CN215154992U CN 215154992 U CN215154992 U CN 215154992U CN 202120770809 U CN202120770809 U CN 202120770809U CN 215154992 U CN215154992 U CN 215154992U
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- steering
- angle sensor
- drive
- screw rod
- steering wheel
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Abstract
The utility model belongs to the technical field of the car and specifically relates to an electric steering control mechanism, hang down the arm including steering wheel, angle sensor, drive controller, drive arrangement, steering gear and turning to, the steering wheel links firmly with the angle sensor is coaxial, just angle sensor through first connecting cable with drive controller links to each other, drive arrangement with turn to hang down the arm all install in on the steering gear, drive arrangement passes through drive controller control opens and stops, turn to and hang down the arm and pass through the drive arrangement drive is rotatory, drive arrangement passes through steering gear transmission torque. The utility model discloses make and realize flexonics between steering wheel and the steering gear, make the driver's cabin arrange as required at will, needn't receive rigid connection structure restriction such as tubular column again.
Description
Technical Field
The utility model belongs to the technical field of the car and specifically relates to an electric steering controls mechanism.
Background
In the vehicle operation process, the direction control who relates to is realized by the steering control mechanism, the steering that current vehicle adopted has hydraulic power steering and the electronic power steering of column type, wherein the electronic power steering of column type is often in electric automobile, the control of steering gear is realized through steering wheel and tubular column to the navigating mate, and then the drive turns to the arm that hangs down and realizes turning to, but among the vehicle structure among the prior art, its steering wheel, tubular column, steering gear etc. all are rigid connection, space arrangement need consider man-machine engineering and driver's cabin space arrangement, receive very big restriction.
With the development of the technology, some electric power steering mechanisms which are convenient to arrange also appear in the prior art, for example, chinese patent publication No. CN112477979A discloses an electric power steering mechanism, which has an electric power steering device arranged between an operating mechanism and a steering mechanism, does not occupy the cab space, is convenient to install and arrange, and controls the input current of the electric power steering device by using a controller to control the aligning torque, but the steering wheel, the steering column, the bracket, the universal joint and other structures of the structure still occupy the cab space. If another electric steering system is disclosed in the chinese utility model patent with the publication number CN206288069U, it is provided with a torque sensor and a steering sensor on the steering rod of the steering wheel lower part to send signals to control the steering controller to turn the steering motor, but the steering motor of this structure is connected with the steering rocker arm through a speed reduction mechanism, the speed reduction mechanism adopts the conventional transmission structure such as worm gear speed reduction mechanism or gear train, so that the motor directly controls the steering rocker arm to rotate, although the structure is more simplified, the speed reduction mechanism still occupies a large installation space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic steering controls mechanism realizes flexonics between steering wheel and the steering gear, makes the driver's cabin arrange as required at will, needn't receive rigid connection structure restriction such as tubular column again.
The purpose of the utility model is realized through the following technical scheme:
an electric steering control mechanism comprises a steering wheel, an angle sensor, a driving controller, a driving device, a steering gear and a steering plumbing arm, wherein the steering wheel is coaxially and fixedly connected with the angle sensor, the angle sensor is connected with the driving controller through a first connecting cable, the driving controller is connected with the driving device through a second connecting cable, and the driving device and the steering plumbing arm are both arranged on the steering gear; the steering gear comprises a screw rod, a nut, a sector and a shell, wherein the screw rod is integrally arranged in the shell, the screw rod connecting end is provided with an inner connecting hole and connected with an output shaft of the driving device, the nut is sleeved on the screw rod, a rack is arranged on the nut and meshed with the sector, the sector is of a three-tooth structure, and the steering plumbing arm passes through the sector and drives the sector to rotate.
And two ends of the screw rod are supported and arranged in the shell through bearings.
The input of screw rod is equipped with the oil blanket, just the oil blanket is located in the inside wall of casing.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses be equipped with angle sensor at steering wheel pivot lower extreme, all realize the flexonics between angle sensor and the drive control ware and between drive control ware and the steering gear, make the driver's cabin arrange as required at will, needn't receive rigid connection structure restriction such as tubular column again.
2. The utility model discloses utilize the drive arrangement of accurate control steering gear such as angle sensor, drive controller, guarantee steering control.
3. The utility model discloses a set up the internal connection hole in the steering gear screw rod link and connect, can reduce 20mm at least axial space, in addition the sector is changed into the tridentate by traditional five teeth, can make casing jar chamber reduce to reduce installation space.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
fig. 2 is a schematic view of the diverter of fig. 1.
The steering wheel comprises a steering wheel 1, an angle sensor 2, a first connecting cable 3, a driving controller 4, a second connecting cable 5, a driving device 6, a steering gear 7, a screw 701, a nut 702, a sector 703, a housing 704, a bearing 705, an oil seal 706, a connecting shaft 707, an inner connecting hole 708 and a steering vertical arm 8.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model discloses a steering wheel 1, angle sensor 2, drive control ware 4, drive arrangement 6, steering gear 7 and the arm 8 that hangs down that turns to, steering wheel 1 links firmly with 2 coaxial of angle sensor, just angle sensor 2 through first connecting cable 3 with drive control ware 4 links to each other, 2 real-time detection steering wheel 1's of angle sensor rotation angle and with data transmit drive control ware 4 through first connecting cable 3, drive control ware 4 links to each other with drive arrangement 6 through second connecting cable 5, just drive arrangement 6 passes through drive control ware 4 signal emission control opens and stops, drive arrangement 6 with turn to hang down arm 8 and all install in on the steering gear 7. The angle sensor 2 and the driving controller 4 are well known in the art and are commercially available products, and in this embodiment, the driving device 6 is a servo motor.
As shown in fig. 2, a screw 701, a nut 702 and a sector 703 are disposed in the steering gear 7, wherein an inner connection hole 708 is disposed at a connection end of the screw 701 and connected to an output shaft of the driving device 6, the inner connection hole 708 may be an inner spline hole or an inner thread hole, the nut 702 is sleeved on the screw 701, a rack is disposed on the nut 702 and engaged with the sector 703, and the sector 703 is coaxially and fixedly connected to the steering arm 8 through a connection shaft 707. When the mechanism works, the driving device 6 drives the screw rod 701 to rotate, so as to drive the nut 702 to move, the nut 702 moves to drive the sector 703 to rotate, and the sector 703 further drives the steering plumbing arm 8 to rotate through the connecting shaft 707 to realize steering. The inner connecting holes 708 are arranged in the screw rod connecting end for connection, so that the axial space of at least 20mm can be reduced, and in addition, the sector 703 is changed from the traditional five teeth into three teeth, so that the cylinder cavity of the shell can be reduced, the size is further reduced, and the installation space is reduced.
As shown in fig. 2, the screw 701, the nut 702 and the sector gear 703 are all disposed in a housing 704, wherein both ends of the screw 701 are supported by bearings 705 and are integrally disposed in the housing 704, an oil seal 706 is disposed at an input end of the screw 701, and the oil seal 706 is disposed in an inner side wall of the housing 704.
The utility model discloses a theory of operation does:
the utility model discloses the during operation, driver rotation steering wheel 1, steering wheel 1's rotation angle is detected by angle sensor 2 and is turned into its signal of telecommunication and send for drive controller 4, and drive controller 4 receives control behind the signal drive arrangement 6 is rotatory, and then the screw rod 701 in the drive steering gear 7 rotates, realizes turning to the arm 8 rotation that hangs down, also realizes turning to. The utility model discloses a realize flexonics through the cable between steering wheel 1 and the steering gear 7, steering wheel 1, angle sensor 2, drive controller 4 and steering gear 7 can arrange as required at will, needn't receive rigid connection structure restriction such as tubular column again.
Claims (3)
1. An electric steering control mechanism, characterized in that: the steering wheel structure comprises a steering wheel (1), an angle sensor (2), a driving controller (4), a driving device (6), a steering gear (7) and a steering plumbing arm (8), wherein the steering wheel (1) is coaxially and fixedly connected with the angle sensor (2), the angle sensor (2) is connected with the driving controller (4) through a first connecting cable (3), the driving controller (4) is connected with the driving device (6) through a second connecting cable (5), and the driving device (6) and the steering plumbing arm (8) are both installed on the steering gear (7); the steering gear (7) comprises a screw rod (701), a nut (702), a sector (703) and a shell (704), wherein the screw rod (701) is integrally arranged in the shell (704), an inner connecting hole (708) is formed in the connecting end of the screw rod (701) and connected with an output shaft of the driving device (6), the nut (702) is sleeved on the screw rod (701), a rack is arranged on the nut (702) and meshed with the sector (703), the sector (703) is of a three-tooth structure, and the steering vertical arm (8) is driven to rotate by the sector (703).
2. The electric power steering mechanism according to claim 1, characterized in that: the two ends of the screw rod (701) are supported and arranged in the shell (704) through bearings (705).
3. The electric power steering mechanism according to claim 2, characterized in that: the input of screw rod (701) is equipped with oil blanket (706), just oil blanket (706) are located in the inside wall of casing (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120770809.8U CN215154992U (en) | 2021-04-15 | 2021-04-15 | Electric steering control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120770809.8U CN215154992U (en) | 2021-04-15 | 2021-04-15 | Electric steering control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215154992U true CN215154992U (en) | 2021-12-14 |
Family
ID=79357972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120770809.8U Active CN215154992U (en) | 2021-04-15 | 2021-04-15 | Electric steering control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215154992U (en) |
-
2021
- 2021-04-15 CN CN202120770809.8U patent/CN215154992U/en active Active
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