WO2019233048A1

WO2019233048A1 - Automobile power actuated adjustable steering column

Info

Publication number: WO2019233048A1
Application number: PCT/CN2018/117695
Authority: WO
Inventors: 王建明; 范建萍; 徐洁; 朱国平; 卢银
Original assignee: 江苏格尔顿传动有限公司
Priority date: 2018-06-06
Filing date: 2018-11-27
Publication date: 2019-12-12
Also published as: DE112018003008T5; CN108657262A

Abstract

An automobile power actuated adjustable steering column comprises a steering shaft (1), an upper support (3), a left side plate (4), and a right side plate (5). Two ends of the steering shaft (1) are provided inside the upper support (3) via a bearing (2). The outer side of the upper support (3) is provided with a manual controller (6), and a first sliding groove (8) and a second hole site (9) are symmetrically provided in the left and right sides of the upper support (3). A third sliding groove (10) and a fourth sliding groove (11) are each symmetrically provided in the left side plate (4) and the right side plate (5). The inner side of the right side plate (5) is provided with an up-down telescopic motor (12) connected to an adapter plate (13). The lower end of the adapter plate (13) is connected to a front-rear angle motor (14) connected to a connecting plate (15). The steering device features a high degree of automation, and the power actuated adjustment has a large range and low operating force. A screw rod of the motor can be automatically corrected during moving, and the adjustment is steady and smooth, prolonging the service life of the motor.

Description

Automobile electric control adjustment steering column

Technical field

The present invention relates to the technical field of automobile accessories, and in particular to an automobile electric-controlled steering column.

Background technique

At present, various types of steering gears with adjustments configured by domestic automobile manufacturers adjust the steering wheel by manually or pneumatically opening the locking mechanism. Manual adjustment is more troublesome, laborious, inconvenient, and the need to loosen or brake the handle Certain hand force, insufficient hand force, it is difficult to open the locking mechanism, which makes the steering wheel adjustment laborious. At the same time, it will cause unstable steering wheel operation and abnormal vibration when locked. When pneumatic adjustment, the air pressure must be greater than 0.5MPa, the pipe string can be adjusted. It cannot be adjusted when the air supply or air pressure is insufficient.

Summary of the Invention

The purpose of the present invention is to overcome the above-mentioned shortcomings, and provide an electric control steering column for an automobile, which has a high degree of automation and electric adjustment, is not controlled by the air source, has a small operating force, a large up-down adjustment range, a large front-to-back adjustment angle, and labor. Low intensity.

The object of the present invention is achieved as follows:

An electric control steering column for an automobile includes a steering shaft, an upper bracket, a left side plate, and a right side plate. Both ends of the steering shaft are installed in an upper bracket through bearings, and a hand controller is provided on the outer side of the upper bracket. The left and right sides of the upper bracket are symmetrically provided with a first chute and a second hole. The left and right plates are symmetrically distributed on the outer side of the upper bracket, and the left and right plates are symmetrically provided. A third chute and a fourth chute, the upper and lower telescopic motors are arranged inside the right side plate, the upper and lower telescopic motors are connected to the adapter plate, the lower end of the adapter plate is connected to the front and rear angle motors, and the front and rear angle motors are connected A connecting plate, a through hole corresponding to the connecting plate on the left side of the upper bracket is connected with the connecting plate by a second bolt; the upper end of the adapter plate is connected with a threaded shaft, and the first The chute and the third chute are connected by a first double-headed stud, one end of the first double-headed stud is connected to one end of the threaded shaft, and the other end of the double-headed stud is connected to one end of the left pull plate, on the same side The fourth chute and the second hole of the upper bracket pass the first bolt Connection, the first bolt is connected to the other end of the left pull plate, the first chute on the right side and the third chute are connected through a threaded shaft, one end of the threaded shaft is connected to one end of the right pull plate, and the first on the right side Bolt the other end of the right pull plate.

Preferably, the first sliding groove is a waist groove, and the waist groove is centered on the first bolt.

Preferably, abrasion-resistant nylon washers are provided between the two ends of the left and right pull plates and the third and fourth slide grooves on the same side.

Preferably, both the bottom of the left plate and the bottom of the right plate are provided with a side plate base.

Preferably, the first motor base of the upper and lower telescopic motors is hinged to the first motor housing, the first motor base is fixedly connected to the right side plate, and the second motor base of the front-rear angle motor is hinged to the second motor housing, The second motor base is fixedly connected to the adapter plate.

Preferably, the screw of the up and down telescopic motor is connected to the adapter plate, and the worm wheel of the up and down telescopic motor rotates the screw to move up and down; the screw of the front and back angle motor is connected to the connecting plate, and the worm wheel of the front and back angle motor rotates the screw back and forth mobile.

Preferably, the upper and lower telescopic motors are connected to the adapter plate by bolts, and the rotation of the screw of the upper and lower telescopic motors drives the upper bracket to move up and down; the front and rear angle motors are connected to the connection plate by bolts, and the screw of the front and rear angle motors is driven to rotate The stand rotates back and forth.

A control method of an automobile electric control adjustment steering column. The control method steps are as follows:

First, adjust the up and down keys of the manual controller, the screw of the up and down contraction motor moves up and down, the up and down contraction motor drives the adapter plate and the threaded shaft to move up and down, the front and rear steering motors on the adapter plate move up and down with the adapter plate, and the thread The first double-headed stud is fixed by the shaft to drive the first chute on both sides and the third chute on both sides to slide. The left and right pull plates drive the first bolt to follow, and the second hole and the fourth chute pass through the first The bolts slide relative to each other to move the upper bracket up and down;

2. Adjust the front and back keys of the hand controller. The front and rear steering motors drive the connection plate to move forward and backward. The connection plate drives the first chute to take the first bolt as the center of rotation, and rotate back and forth relative to the first stud and the threaded shaft. The upper bracket can be rotated forward and backward.

The beneficial effects of the present invention are:

The invention has high degree of automation, electric adjustment, not controlled by air source, large up-and-down adjustment range, large front-to-back adjustment angle, small operating force, and low labor intensity of the operator. The screw of the motor can be automatically calibrated during movement to make up-and-down and front-to-back adjustment. Smoother and smoother, greatly improving the service life of the motor.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a structural schematic diagram 1 of the present invention.

FIG. 2 is a schematic structural view 2 of the present invention.

FIG. 3 is a schematic diagram of an up-down telescopic motor (front-back angle motor).

Among them: steering shaft 1; side plate base 2; upper bracket 3; left side plate 4; right side plate 5; hand controller 6; wear-resistant nylon washer 7; first chute 8; second hole position 9; third Chute 10; Fourth Chute 11; Up and down telescopic motor 12, Adapter plate 13; Front and rear angle motor 14; Connection plate 15; Second bolt 16; Threaded shaft 17; First stud 18; Left pull plate 19 First bolt 20; right pull plate 21; first motor base 12.1; first motor housing 12.2; second motor base 14.1; second motor housing 14.2.

Detailed ways

Referring to FIGS. 1-3, the present invention relates to an electric steering column for an electric control of an automobile, which includes a steering shaft 1, an upper bracket 3, a left side plate 4, and a right side plate 5. Both ends of the steering shaft 1 are mounted on bearings through bearings. The upper bracket 3 is fixed inside with a retaining ring with a shaft. A hand controller 6 is provided on the outer side of the upper bracket 3. The upper bracket 3 is provided with first slide grooves 8 and second hole positions 9 symmetrically on the left and right sides. The left side plate 4 and the right side plate 5 are symmetrically distributed on the outer side of the upper bracket 3, and the left side plate 4 and the right side plate 5 are symmetrically provided with a third slide slot 10 and a fourth slide slot 11. 5 There is a vertical telescopic motor 12 on the inside. The vertical telescopic motor 12 is connected to the adapter plate 13, and the lower end of the adapter plate 13 is connected to the front and rear angle motor 14, the front and rear angle motor 14 is connected to the connection plate 15, and the upper bracket. 3 The left side of the corresponding connecting plate 13 is provided with a through hole, which is connected to the connecting plate 13 by a second bolt 16; the upper end of the adapter plate 15 is connected to a threaded shaft 17, and the first on the left side of the steering column tube 2 The chute 8 and the third chute 10 are connected by a first double-headed stud 18, and one end of the first double-headed stud 18 is connected to one end of the threaded shaft 17, and the first The other end of the head stud 18 is connected to one end of the left pull plate 19, and the second hole 9 on the same side and the fourth slide slot 11 are connected by a first bolt 20, and the first bolt 20 is connected to the other end of the left pull plate 19 The right first chute 8 and the third chute 10 are connected by a threaded shaft 17, one end of the threaded shaft 17 is connected to one end of the right pull plate 21, and the first bolt 20 on the right is connected to the other of the right pull plate 21 One end. The left and right pull plates make the upper bracket move more smoothly back and forth and left and right.

The first sliding groove 8 is a waist-shaped groove, the waist-shaped groove 8 is centered on the first bolt 20, and the angle formed between the two ends of the waist-shaped groove and the first bolt 20 can be up to 35 °. The distance between the first bolt 20 and the first double-headed stud 18 is the rotation radius of the first chute 8.

Wear-resistant nylon washers 7 are provided between the two ends of the left pull plate 19 and the right pull plate 21 and the third chute 10 and the fourth chute 11 on the same side.

A side plate base 2 is provided at the bottom of the left side plate 4 and the bottom of the right side plate 5.

The first motor base 12.1 of the up and down telescopic motor 12 is hinged to the first motor housing 12.2, the first motor base 12.1 is fixedly connected to the right side plate 5, and the second motor base 14.1 and the second of the front-back angle motor 14 The motor housing 14.2 is hinged, and the second motor base 14.1 is fixedly connected to the adapter plate 15. The screws of the up-down telescopic motor 12 and the front-rear steering motor 14 can be automatically adjusted to adjust the force balance of the screw, so that the linear movement of the screw is smoother and smoother, avoiding premature screw damage, and prolonging the service life of the motor.

The screw of the up and down telescopic motor 12 is connected to the adapter plate 13, and the worm wheel of the up and down telescopic motor 12 drives the screw to move up and down; the screw of the front and back angle motor 14 is connected to the connection plate 15, and the worm wheel of the front and back angle motor 14 rotates Drive the screw back and forth.

The up-and-down telescopic motor 12 is connected to the adapter plate 13 by bolts. The rotation of the screw of the up-and-down telescopic motor 12 drives the upper bracket to move up and down, with a maximum distance of 75 mm. The front-to-back angle motor 14 is connected to the connecting plate 15 by bolts. The rotation of the screw of the front-back angle motor 14 drives the upper bracket to rotate back and forth.

The control method of the present invention is as follows:

Adjust the up and down keys of the manual controller, the screw of the up and down contraction motor moves up and down, the up and down contraction motor drives the adapter plate and the screw shaft to move up and down, the front and rear steering motors on the adapter plate move up and down with the adapter plate, and the screw shaft is fixed The first double-headed stud drives the first chute on both sides and the third chute on both sides to relatively slide, the left and right pull plates drive the first bolt to follow, and the second hole position and the fourth chute are made by the first bolt. Relative sliding to move the upper bracket up and down;

In addition to the above embodiments, the present invention also includes other embodiments. Any technical solution formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the claims of the present invention.

Claims

An electric control steering column for an automobile is characterized in that it includes a steering shaft (1), an upper bracket (3), a left side plate (4), and a right side plate (5). Both ends of the steering shaft (1) The bearing (2) is installed in the upper bracket (3). A hand controller (6) is provided on the outer side of the upper bracket (3). The upper bracket (3) is provided with first slide grooves on both left and right sides. (8) and the second hole position (9), the left side plate (4) and the right side plate (5) are symmetrically distributed outside the upper bracket (3), and the left side plate (4) and the right side plate ( 5) A third chute (10) and a fourth chute (11) are symmetrically provided, and an up-and-down telescopic motor (12) is provided inside the right side plate (5), and the up-and-down telescopic motor (12) is connected to a rotary The adapter plate (13), the lower end of the adapter plate (13) is connected to the front and rear angle motor (14), the front and rear angle motor (14) is connected to the connection plate (15), and the left side of the upper bracket (3) is correspondingly connected The plate (13) is provided with a through hole, and the through hole is connected with the connecting plate (13) by a second bolt (16); the upper end of the adapter plate (15) is connected with a threaded shaft (17), and the steering column pipe ( 2) The first chute (8) and the third chute (10) on the left are connected by a first double-headed stud (18), and one end of the first double-headed stud (18) is connected One end of the threaded shaft (17), the other end of the first double-headed stud (18) is connected to one end of the left pull plate (19), the second hole position (9) and the fourth chute (11) on the same side It is connected by a first bolt (20), which is connected to the other end of the left pull plate (19), and the first chute (8) and the third chute (10) on the right side are passed through a threaded shaft ( 17) connection, one end of the threaded shaft (17) is connected to one end of the right pull plate (21), and the first bolt (20) on the right is connected to the other end of the right pull plate (21).
The electric control steering column for an automobile according to claim 1, wherein the first sliding groove (8) is a waist groove, and the waist groove (8) is formed by a first bolt (20). For the center.
The steering column for electric control of an automobile according to claim 1, characterized in that both ends of the left pull plate (19) and right pull plate (21) and a third chute (10) on the same side There are wear-resistant nylon washers (7) between the fourth chute (11).
The steering column for electric control of an automobile according to claim 1, characterized in that: the bottom of the left plate (4) and the bottom of the right plate (5) are each provided with a side plate base (2).
The steering column for electric control of an automobile according to claim 1, characterized in that: a first motor base (12.1) of the up-and-down telescopic motor (12) is hinged with a first motor housing (12.2), and the first A motor base (12.1) is fixedly connected to the right side plate (5), a second motor base (14.1) of the front-back angle motor (14) is hinged with a second motor housing (14.2), and the second motor base (14.1) ) Is fixedly connected to the adapter plate (15).
The steering column for electric control of an automobile according to claim 1, characterized in that: the screw of the upper and lower telescopic motor (12) is connected to the adapter plate (13), and the worm wheel of the upper and lower telescopic motor (12) rotates Drive the screw to move up and down; the screw of the front-back angle motor (14) is connected to the connecting plate (15), and the worm wheel of the front-back angle motor (14) rotates to drive the screw back and forth.
The steering column for electric control of an automobile according to claim 1, characterized in that: the upper and lower telescopic motors (12) are connected to an adapter plate (13) by bolts, and the screws of the upper and lower telescopic motors (12) rotate The upper bracket is driven to move up and down; the front and rear angle motor (14) is connected to the connecting plate (15) by bolts, and the rotation of the screw of the front and back angle motor (14) drives the upper bracket to move back and forth.
A control method for an electric steering column of an electric control of an automobile adopts the electric steering column for an electric control of an automobile as claimed in any one of claims 1 to 7, and the control method steps are as follows:

First, adjust the up and down keys of the manual controller, the screw of the up and down contraction motor moves up and down, the up and down contraction motor drives the adapter plate and the threaded shaft to move up and down, the front and rear steering motors on the adapter plate move up and down with the adapter plate, and the thread The first double-headed stud is fixed by the shaft to drive the first chute on both sides and the third chute on both sides to slide. The left and right pull plates drive the first bolt to follow, and the second hole and the fourth chute pass through the first The bolts slide relative to each other to move the upper bracket up and down;

2. Adjust the front and back keys of the hand controller. The front and rear steering motors drive the connection plate to move forward and backward. The connection plate drives the first chute to take the first bolt as the center of rotation, and rotate back and forth relative to the first stud and the threaded shaft. The upper bracket can be rotated forward and backward.