阅读说明：本技术 一种角度可调的汽车转向轴 (Angle-adjustable automobile steering shaft ) 是由 朱苗令 于 2021-06-29 设计创作，主要内容包括：本发明公开了一种角度可调的汽车转向轴,包括上轴体、中轴体、管柱、花键套、滚轮、安装架、液压油缸、第一控制器,所述管柱套在上轴体的外部,管柱两侧各设有一个滚轮,两个滚轮分别位于管柱的靠近驾驶者侧和远离驾驶者侧,每个滚轮均配有一个安装架,滚轮安装在安装架上,每个安装架均与一个液压油缸相连,两个液压油缸均固定不动,所述第一控制器上设有手动操作部,第一控制器内设有用于对两个液压油缸分别进行控制的控制装置,所述管柱内部固定有两个第一轴承。本发明通过将滚轮、液压油缸、第一控制器相配合,使得转向轴的角度可调,使得装置具有很好的适应性,可适应不同的驾驶者,使得方向盘具有更好的操控性。(The invention discloses an automobile steering shaft with an adjustable angle, which comprises an upper shaft body, a middle shaft body, a pipe column, a spline housing, idler wheels, mounting frames, hydraulic cylinders and a first controller, wherein the pipe column is sleeved outside the upper shaft body, the idler wheels are respectively arranged on two sides of the pipe column, the two idler wheels are respectively positioned on the side, close to a driver, of the pipe column and the side, far away from the driver, of the pipe column, each idler wheel is provided with one mounting frame, the idler wheels are mounted on the mounting frames, each mounting frame is connected with one hydraulic cylinder, the two hydraulic cylinders are fixed, a manual operation part is arranged on the first controller, a control device for respectively controlling the two hydraulic cylinders is arranged in the first controller, and two first bearings are fixed in the pipe column. According to the invention, the roller, the hydraulic oil cylinder and the first controller are matched, so that the angle of the steering shaft is adjustable, the device has good adaptability, can be suitable for different drivers, and the steering wheel has better controllability.)

1. The utility model provides an angularly adjustable automobile steering axle which characterized in that: comprises an upper shaft body (5), a middle shaft body (6), a pipe column (1), a spline housing (7), rollers (2), a mounting frame (3), hydraulic oil cylinders (4) and a first controller (45), wherein the pipe column (1) is sleeved outside the upper shaft body (5), the two sides of the pipe column (1) are respectively provided with one roller (2), the two rollers (2) are respectively positioned at the side of the pipe column (1) close to a driver and the side of the pipe column far away from the driver, each roller (2) is provided with one mounting frame (3), the rollers (2) are arranged on the mounting frame (3), each mounting frame (3) is connected with one hydraulic oil cylinder (4), the two hydraulic oil cylinders (4) are fixed, a manual operation part is arranged on the first controller (45), a control device for respectively controlling the two hydraulic oil cylinders (4) is arranged in the first controller (45), two first bearings (11) are fixed in the pipe column (1), two first bearings (11) are located the upper end and the lower extreme of tubular column (1) respectively, and two first bearings (11) overlap on last axis body (5), go up axis body (5) upper end and steering wheel subassembly and link to each other, go up axis body (5) lower extreme and link to each other with well axis body (6) through universal joint (50), be equipped with on well axis body (6) outer wall with spline housing (7) matched with external splines, well axis body (6) are inserted on spline housing (7), and spline housing (7) lower extreme passes through universal joint (50) and links to each other with the steering gear assembly.

2. An angularly adjustable steering shaft for vehicles as claimed in claim 1, wherein: the middle of the wheel surface of the roller (2) is provided with a circle of annular groove (20), the section of the annular groove (20) is arc-shaped, and the inner wall of the annular groove (20) is adapted to the outer wall of the pipe column (1).

3. An angularly adjustable steering shaft for vehicles as claimed in claim 2, wherein: be equipped with 2 groups of sand grip (10) on tubular column (1), every group sand grip (10) corresponds an gyro wheel (2), and every group sand grip (10) comprises 2 sand grip (10), hugs closely the wheel face of corresponding gyro wheel (2) with 2 sand grip (10) in a set of, and 2 sand grip (10) in the same set of are located the both sides of ring channel (20) of corresponding gyro wheel (2) respectively.

4. An angularly adjustable steering shaft for vehicles as claimed in claim 1, wherein: include one mounting groove (30) that are the U-shaped on mounting bracket (3), install in mounting groove (30) gyro wheel (2), gyro wheel (2) both sides all are equipped with a pivot (21), and the cover has second bearing (22) on pivot (21), and second bearing (22) inlay on the lateral wall of mounting groove (30), all be equipped with a plurality of rings of concentric first sliding tray (25) on two lateral walls of gyro wheel (2), be equipped with a plurality of rings and first sliding tray (25) corresponding second sliding tray (35) on the inner wall of mounting groove (30), be equipped with a plurality of ball (26) between corresponding first sliding tray (25) and second sliding tray (35), ball (26) imbed in first sliding tray (25) and second sliding tray (35).

5. An angularly adjustable steering shaft for vehicles as claimed in claim 1, wherein: the hydraulic oil cylinder (4) comprises an emergency pressure relief electric control valve (40), the emergency pressure relief electric control valve is provided with a second controller (46), and the second controller (46) is linked with an air bag in the steering wheel assembly.

6. An angularly adjustable steering shaft for vehicles as claimed in claim 1, wherein: be equipped with a plurality of fuel sprayer (12) on the inner wall of tubular column (1), every first bearing (11) corresponds fuel sprayer (12) at least, and fuel sprayer (12) are close to and aim at corresponding first bearing (11), be equipped with a plurality of and fuel sprayer (12) one-to-one auxiliary hole (13) on tubular column (1), auxiliary hole (13) are linked together with corresponding fuel sprayer (12), and it has auxiliary screw rod (14) that are used for processing auxiliary hole (13) and stop up to twist on auxiliary hole (13).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of automobile parts, in particular to the technical field of steering shafts.

[ background of the invention ]

Steering shafts are important components of automobiles and cooperate with steering wheel assemblies for steering the automobile. The angle of the existing steering shaft is often not adjustable, and the existing steering shaft cannot well adapt to the use requirements of different drivers.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides an angle-adjustable automobile steering shaft, which can enable the steering shaft to be adjustable and has good adaptability.

In order to achieve the purpose, the invention provides an angle-adjustable automobile steering shaft, which comprises an upper shaft body, a middle shaft body, a pipe column, a spline housing, rollers, mounting frames, hydraulic oil cylinders and a first controller, wherein the pipe column is sleeved outside the upper shaft body, the two sides of the pipe column are respectively provided with one roller, the two rollers are respectively positioned at the side close to a driver and the side far away from the driver of the pipe column, each roller is provided with one mounting frame, the roller is mounted on the mounting frame, each mounting frame is connected with one hydraulic oil cylinder, the two hydraulic oil cylinders are fixed, the first controller is provided with a manual operation part, a control device for respectively controlling the two hydraulic oil cylinders is arranged in the first controller, two first bearings are fixed in the pipe column and are respectively positioned at the upper end and the lower end of the pipe column, the two first bearings are sleeved on the upper shaft body, the upper end of the upper shaft body is connected with a steering wheel assembly, the lower end of the upper shaft body is connected with the middle shaft body through a universal joint, an external spline matched with the spline housing is arranged on the outer wall of the middle shaft body, the middle shaft body is inserted on the spline housing, and the lower end of the spline housing is connected with the steering gear assembly through the universal joint.

Preferably, the middle part of the wheel surface of the roller is provided with a circle of annular groove, the section of the annular groove is arc-shaped, and the inner wall of the annular groove is matched with the outer wall of the pipe column.

Preferably, be equipped with 2 groups of sand grips on the tubular column, every group sand grip corresponds a gyro wheel, and every group sand grip comprises 2 sand grips, and 2 sand grips in the same group hug closely the wheel face of corresponding gyro wheel, and 2 sand grips in the same group are located the both sides of the ring channel of corresponding gyro wheel respectively.

As preferred, include a mounting groove that is the U-shaped on the mounting bracket, the gyro wheel is installed in the mounting groove, and the gyro wheel both sides all are equipped with a pivot, and the cover has the second bearing in the pivot, and the second bearing inlays on the lateral wall of mounting groove, all be equipped with the endocentric first sliding tray of a plurality of rings on two lateral walls of gyro wheel, be equipped with the second sliding tray that a plurality of rings and first sliding tray correspond on the inner wall of mounting groove, be equipped with a plurality of ball between corresponding first sliding tray and the second sliding tray, in ball embedding first sliding tray and the second sliding tray.

Preferably, the hydraulic oil cylinder comprises an emergency pressure relief electric control valve, the emergency pressure relief electric control valve is provided with a second controller, and the second controller is linked with an air bag in the steering wheel assembly.

Preferably, a plurality of oil nozzles are arranged on the inner wall of the pipe column, each first bearing at least corresponds to one oil nozzle, the oil nozzles are close to and aim at the corresponding first bearings, a plurality of auxiliary holes in one-to-one correspondence with the oil nozzles are arranged on the pipe column, the auxiliary holes are communicated with the corresponding oil nozzles, and auxiliary screws for processing the auxiliary holes to be blocked are screwed on the auxiliary holes.

The invention has the beneficial effects that: according to the invention, the roller, the hydraulic oil cylinder and the first controller are matched, so that the angle of the steering shaft is adjustable, the device has good adaptability, can adapt to different drivers, and the steering wheel has better controllability; the emergency pressure relief electric control valve is matched with the second controller, so that the steering shaft can rotate when the safety airbag is triggered in the collision of the vehicle, and the impact force of the rotating shaft on a driver is reduced.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of an angularly adjustable automotive steering shaft of the present invention;

FIG. 2 is a schematic view of a roller of an angularly adjustable steering shaft of an automobile according to the present invention;

FIG. 3 is a schematic view of a steering shaft for an automobile with an adjustable angle of the present invention.

In the figure: the hydraulic control system comprises a pipe column 1, a roller 2, a mounting frame 3, a hydraulic oil cylinder 4, an upper shaft body 5, a middle shaft body 6, a spline housing 7, a convex strip 10, a first bearing 11, an oil nozzle 12, an auxiliary hole 13, an auxiliary screw 14, an annular groove 20, a rotating shaft 21, a second bearing 22, a first sliding groove 25, a ball 26, a mounting groove 30, a second sliding groove 35, an emergency pressure relief electric control valve 40, a first controller 45, a second controller 46 and a universal joint 50.

[ detailed description ] embodiments

Referring to fig. 1, 2 and 3, the angle-adjustable steering shaft for the automobile comprises an upper shaft body 5, a middle shaft body 6, a pipe column 1, a spline housing 7, rollers 2, mounting frames 3, hydraulic oil cylinders 4 and a first controller 45, wherein the pipe column 1 is sleeved outside the upper shaft body 5, the rollers 2 are respectively arranged on two sides of the pipe column 1, the two rollers 2 are respectively arranged on the side, close to a driver, and the side, far away from the driver, of the pipe column 1, each roller 2 is provided with one mounting frame 3, each roller 2 is mounted on the mounting frame 3, each mounting frame 3 is connected with one hydraulic oil cylinder 4, the two hydraulic oil cylinders 4 are fixed, a manual operation part is arranged on the first controller 45, a control device for respectively controlling the two hydraulic oil cylinders 4 is arranged in the first controller 45, two first bearings 11 are fixed in the pipe column 1, the two first bearings 11 are respectively arranged at the upper end and the lower end of the pipe column 1, the two first bearings 11 are sleeved on an upper shaft body 5, the upper end of the upper shaft body 5 is connected with a steering wheel assembly, the lower end of the upper shaft body 5 is connected with a middle shaft body 6 through a universal joint 50, the outer wall of the middle shaft body 6 is provided with an external spline matched with a spline housing 7, the middle shaft body 6 is inserted on the spline housing 7, the lower end of the spline housing 7 is connected with a steering gear assembly through the universal joint 50, the middle part of the wheel surface of each roller 2 is provided with a ring-shaped annular groove 20, the section of the annular groove 20 is arc-shaped, the inner wall of the annular groove 20 is matched with the outer wall of a pipe column 1, the pipe column 1 is provided with 2 groups of convex strips 10, each group of convex strips 10 corresponds to one roller 2, each group of convex strips 10 consists of 2 convex strips 10, the 2 convex strips 10 in the same group are tightly attached to the wheel surface of the corresponding roller 2, the 2 convex strips 10 in the same group are respectively positioned at two sides of the annular grooves 20 of the corresponding roller 2, the mounting rack 3 comprises a U-shaped mounting groove 30, the roller 2 is installed in the installation groove 30, two sides of the roller 2 are both provided with a rotating shaft 21, the rotating shaft 21 is sleeved with a second bearing 22, the second bearing 22 is embedded on the side wall of the installation groove 30, two side walls of the roller 2 are both provided with a plurality of rings of concentric first sliding grooves 25, the inner wall of the installation groove 30 is provided with a plurality of rings of second sliding grooves 35 corresponding to the first sliding grooves 25, a plurality of balls 26 are arranged between the corresponding first sliding grooves 25 and the second sliding grooves 35, the balls 26 are embedded in the first sliding grooves 25 and the second sliding grooves 35, the hydraulic oil cylinder 4 comprises an emergency pressure-relief electric control valve 40, the emergency pressure-relief electric control valve is provided with a second controller 46, the second controller 46 is linked with an airbag in the steering wheel assembly, the inner wall of the tubular column 1 is provided with a plurality of oil nozzles 12, each first bearing 11 at least corresponds to one oil nozzle 12, the oil nozzle 12 is close to and aligned with the corresponding first bearing 11, the pipe column 1 is provided with a plurality of auxiliary holes 13 which are in one-to-one correspondence with the oil nozzles 12, the auxiliary holes 13 are communicated with the corresponding oil nozzles 12, and auxiliary screws 14 used for processing the auxiliary holes 13 to block the auxiliary holes 13 are screwed on the auxiliary holes 13.

The working process of the invention is as follows:

in the working process of the angle-adjustable automobile steering shaft, the roller 2, the hydraulic oil cylinder 4 and the first controller 45 are matched, so that the angle of the steering shaft is adjustable, the device has good adaptability, can be suitable for different drivers, and the steering wheel has better controllability; the emergency pressure relief electric control valve 30 is matched with the second controller 46, so that the steering shaft can rotate when the safety air bag is triggered in the collision of the vehicle, and the impact force of the rotating shaft on a driver is reduced.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.