KR19980067145A - Shock-absorbing eccentric steering shaft device of automobile - Google Patents

Abstract

The present invention relates to a shock-absorbing eccentric steering shaft device of a vehicle, the technical gist of which is connected to the steering wheel (1) installed so as to rotate operation on the front of the interior of the vehicle, the other end of the steering is installed in the engine room (40) The steering shaft 39 connected to the gearbox 10 is separated into upper and lower steering shafts 4 and 7, respectively, and is connected to be rotatable while having an eccentricity to the intermediate shaft 6. The upper steering shaft (4) and the lower steering shaft (7) are supported and fixed as upper and lower steering shaft mounting brackets (5) (8), and shafts (34) of the lower and tip ends of the upper and lower steering shafts (4) and (7). (35) is fastened so as to be rotatable to the bearings (36) (37) installed to the outside thereof, and the shafts (34) and (35) of the upper and lower steering shafts (4) and (7) of the intermediate shaft (6). The joints 12, 13, 14 and 15 are characterized in that the connection is installed to enable rotational operation.

Accordingly, the separated upper and lower steering shafts of the steering shaft apparatus are integrally connected as intermediate shafts which contract and expand to allow rotational operation while having an eccentricity, so that the external shock is absorbed from the intermediate shafts when the vehicle collides. The driver's safety is greatly improved by not being pushed by the steering shaft and the steering wheel, and it can be easily installed without being affected by the engine room, and it is easy to use, while the upper and lower steering shafts are moved by the intermediate shaft. It is easy to manufacture and install due to the simple structure of connecting.

Description

Shock-absorbing eccentric steering shaft device of automobile

According to the present invention, the steering shaft which performs the steering operation of the vehicle is separated and connected to the intermediate shaft which has an eccentricity and can be contracted and expanded so that the impact of the automobile can be easily absorbed so that the safety of the vehicle can be extremely improved. The shock-absorbing eccentric steering shaft device of a vehicle is described in more detail. The steering wheel connected to the steering gear box installed in the engine room and the other end is connected to the steering wheel installed in the front of the interior of the vehicle for rotational operation. And a lower steering shaft, respectively, connected to each other so as to be rotatable while having an eccentricity as an intermediate shaft, wherein the upper steering shaft and the lower steering shaft are supported and fixed as upper and lower steering shaft mounting brackets, and lower ends of the upper and lower steering shafts; The shaft of the tip end is fastened to rotate in a bearing installed to the outside thereof, Since the shafts of the upper and lower steering shafts are connected to be rotatable as joints of the intermediate shafts, the separated upper and lower steering shafts of the steering shaft apparatus are connected as intermediate shafts which are contracted and expanded so as to be rotatable while having an eccentricity. The external shock is absorbed from the intermediate shaft during the collision of the steering shaft so that the steering shaft and the steering wheel are not pushed by the driver, which greatly improves the driver's safety, and the steering shaft is separated from the upper and lower sides, leading to an eccentric steering. The shaft device can be easily installed without being influenced by the engine room, and it is easy to operate and easy to use, while the simple structure of connecting the upper and lower steering shafts to the intermediate shaft that is contracted and expanded. It relates to a shock-absorbing eccentric steering shaft device of a vehicle to be easy to improve the workability.

BACKGROUND ART In general, a steering apparatus of a vehicle includes a steering wheel, a steering shaft for transmitting a steering force to a steering gear and a link by a driver, and a gear unit for reducing the rotation of the steering shaft to increase the operating force and change the direction of movement. The steering force is controlled by a pitman arm, a drag link, and a knuckle arm that transmits the operating force of the gear to the wheel, and the steering shaft is an integral structure.

In the conventional vehicle steering apparatus related to the above technique, as shown in FIG. 1, the steering wheel 102 located inside the vehicle outside the dashboard 101 of the automobile is a steering shaft 103. Is coupled to the upper end of the gearbox 105 and the lower end of the steering shaft 103 is installed in the engine room to the inside of the dashboard 101 is connected, the steering shaft 103 in the gearbox 105 The worm gear 106 coupled with the pit man arm 104 and the sector gear 108 spoken to rotate the drag link 107, the drag link 107 is connected to the knuckle arm 109 Is connected to the knuckle 110 through the made of a configuration that the steering operation of the vehicle is performed.

In the conventional steering apparatus of a vehicle having the above configuration, as shown in FIG. 1, when the driver turns the steering wheel 102, the steering shaft 103 integrally coupled to the steering wheel 103 of the gearbox 105 is used. The worm gear 106 is rotated, and the sector gear 108 coupled thereto rotates the drag link 107 at an angle while integrally rotating. At this time, the wheels of the automobile are integrally steered.

However, in the above-described conventional steering device for automobiles, as shown in FIG. 1, the integral steering from the steering wheel 102 in the interior of the automobile to the gearbox 105 in the engine room via the dashboard 102 is shown. Due to the structure that is integrally connected as the shaft 103, when interference occurs between the other parts of the engine room on the steering axis, the trouble of having to move the position of the steering shaft 103 or modify the design itself is generated. On the other hand, the impact from the outside during the collision of the car is absorbed only in the axial direction of the steering shaft, the steering shaft and steering wheel is pushed to the driver behind the dashboard even in a simple collision accident, the driver's safety is extremely vulnerable There were various problems.

The present invention has been made to improve the various problems as described above, the object of which is, the steering wheel and one end is connected to the steering wheel is installed in the interior of the interior of the car to rotate the steering and the other end is connected to the steering gear box installed in the engine room The shafts are separated into upper and lower steering shafts, respectively, and connected to be rotatable while having an eccentricity as an intermediate shaft. The upper steering shaft and the lower steering shaft are supported and fixed as upper and lower steering shaft mounting brackets, and the upper and lower steering shafts. The lower end of the shaft and the shaft of the front end are fastened to the rotating operation to the bearing installed to the outside, and the upper and lower steering shaft is connected to the rotational operation as a joint of the intermediate shaft, so that the separate upper and lower steering shaft of the steering shaft device Connected as an intermediate shaft that contracts and expands to allow rotational operation with eccentricity For example, when the vehicle collides, the external shock is absorbed from the intermediate shaft so that the steering and steering wheels are not pushed by the driver, which greatly improves the driver's safety, and the steering shaft is separated into the upper and lower parts, thereby connecting to an eccentric state. The steering shaft device can be easily installed without being affected by the engine room, and is easy to operate due to its simple operation, and is manufactured due to the simple structure connecting the upper and lower steering shafts to the intermediate shaft that is contracted and expanded. And it is easy to install to provide a shock absorbing steering shaft device of the vehicle is improved workability.

As a technical means for achieving the above object, the present invention, the steering shaft connected to the steering wheel installed to rotate the front of the housing coupled to the lower side of the crash board installed in the interior front of the vehicle engine behind the dashboard A steering apparatus connected to a steering gear box installed in a room to steer an automobile, wherein the steering shaft is divided into upper and lower steering shafts, and the lower end of the upper steering shaft and the distal end of the lower steering shaft support rotatably the steering shaft. Upper and lower mounting brackets are installed, and the lower and front end shafts of the upper and lower steering shafts are rotatably coupled to bearings installed outwardly, and the shafts of the upper and lower steering shafts are connected to be rotatable as intermediate shafts. Shock-absorbing eccentric steering shaft device of a vehicle composed of It depends on maryeonham.

1 is a schematic view showing a steering apparatus of a typical vehicle.

Figure 2 is a block diagram showing an installation state of the shock absorbing eccentric steering shaft device of a vehicle in the present invention.

Figure 3 is a plan view showing a shock absorbing eccentric steering shaft device of the present invention vehicle.

Figure 4 (a) and (b) is a front view and a plan view of the main portion showing the intermediate shaft for shock absorption in the shock absorbing eccentric steering shaft device of the vehicle of the present invention.

Figure 5 is a state diagram showing a state in which shock is absorbed as a shock absorbing eccentric steering shaft device of the vehicle of the present invention.

* Description of the symbols for the main parts of the drawings *

1: steering wheel 2: housing

4, 7: Upper and lower steering shaft 5, 8: Upper and lower mounting brackets

6: middle axis 10: steering gear clap

11: Dashboard 12, 13, 14, 15: Joint

16, 17: 22, 23, 24, 25: cross

26,27,28,29: pin 30,31,32,33: retainer ring

34, 35: shaft 36, 37: bearing

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a configuration diagram showing an installation state of the shock absorbing eccentric steering shaft device of the vehicle according to the present invention, Figure 3 is a plan view showing a shock absorbing eccentric steering shaft device of the present invention, Figure 4 (a) and (b) is a main portion front view and a plan view showing an eccentric intermediate shaft for shock absorption in the impact absorption type eccentric steering shaft device of the present invention vehicle, Figure 5 is a shock absorption type eccentric steering of the present invention vehicle A steering wheel (1) for steering the vehicle toward the front of the housing (2) coupled to the lower side of the crash board (3) installed to protect the driver at the interior front of the vehicle, as a state showing the shock absorbing state as the shaft device. ) Is installed to rotate, and the steering shaft 39 connected to the lower part of the steering wheel 1 is connected to the steering gear box 10 installed in the engine room 40 in front of the dashboard 11 and the vehicle to steer. do.

In addition, the steering shaft 39 is separated into upper and lower steering shafts (4) and (7), respectively, so as to easily absorb external impact, and the lower end of the upper steering shaft (4) and the distal end of the lower steering shaft (7). The upper and lower steering shaft mounting brackets 5 and 8 supporting the respective steering shafts 4 and 7 are installed, and the upper mounting brackets 5 are fixedly coupled to the cross members 38. The lower mounting bracket 8 is coupled to the dashboard 11.

The upper and lower steering shafts (4) and (7) lower and front end shafts (34, 35) are fastened to the rotational operation to the bearings (36) (37) that are installed to the outside, the upper and lower steering shafts ( The shafts 34 and 35 of 4) 7 are connected as the intermediate shaft 6 so as to be rotatable.

In addition, the shafts 34 and 35 of the upper and lower steering shafts 4 and 7 are coupled to the joints 15 and 12 as fixing bolts 19 and 18 and nuts 20 and 21. The joints 15 and 12 connected to the shafts 34 and 35 of the upper and lower steering shafts 4 and 7 are cross-shafts 17 and 16, and the joints 14 and 13 on one side thereof. Connected.

The intermediate shaft 6 has rods 22 and 23 at the ends of the inner joints 14 and 13 connected to the shafts 34 and 35 of the upper and lower steering shafts 4 and 7. The outer ends of the twenty-fourth twenty-five (25) are fastened so as to be rotationally operated as the pins (28-26) fixed as the retainer rings (32) (30), and the rods (22) (23) which are the central portions of the intermediate shaft (6). The inner ends of the 24 and 25 are connected as rotation pins 27 and 29 respectively fixed as retainer rings 31 and 33, respectively.

In addition, the intermediate shaft 6, in the initial state in which the steering operation of the vehicle is normally performed, the upper and lower steering shafts 4 with the rods 22, 23, 24, 25 extending in a straight line. (7).

On the other hand, the upper and lower steering shaft (4) (7) is made of a configuration that is installed while having an eccentricity by the joints 12, 13, 14, 15 of the intermediate shaft 6 connecting them. .

Referring to the operation of the present invention made of the above configuration as follows.

As shown in Figures 2 to 5, a crash board (3) for protecting the driver from impact is installed outside of the instrument panel installed in the interior front of the vehicle, and the housing (2) below the crash board (3) By being installed, the housing wheel 2 is provided with a steering wheel (1) of the steering device for performing the steering operation of the vehicle to rotate operation.

In addition, a steering shaft 39 connected to the gear box 10 in the engine room 40 is connected to the lower portion of the steering wheel 1, and the steering shaft 39 can be easily absorbed in the event of a collision of the vehicle. Is separated into upper and lower steering shafts (4) (7).

At this time, the upper steering shaft (4) is connected to the lower portion of the steering wheel (2), the mounting bracket (5) is coupled to the lower end of the upper steering shaft (4), the upper mounting bracket (5) By being coupled to the cross member 38, the upper steering shaft 4 is firmly supported and fixed as the upper mounting bracket 5.

On the other hand, the bearing 36 is installed at one end of the mounting bracket (5) of the upper steering shaft (4) and the end shaft 34 of the upper steering shaft (4) is fastened to the inside, the upper steering When the shaft 4 rotates, the shaft 34 is smoothly rotated by the bearing 35.

In addition, the shaft 34 of the upper steering shaft 4 is connected to the shaft 35 of the lower steering shaft 7 as the intermediate shaft 6 and is coupled to an upper side of the lower steering shaft 7. A bearing 36 is installed at one end of the bracket 8 and an end shaft 35 of the lower steering shaft 7 is fastened to an inner side thereof so that the lower steering shaft may be connected through an intermediate shaft 6 connected thereto. The shaft 35 of 7) rotates smoothly as the bearing 35, and the shaft 35 of the lower steering shaft 7 is integrally rotated, and the lower steering shaft 7 is coupled to the dashboard 11. It is firmly supported as the lower mounting bracket 8.

The upper and lower shafts 34 and 35 of the upper and lower steering shafts 4 and 7 are coupled to the U-shaped joints 15 and 12 as fixing bolts 19 and 18, respectively. The U-shaped joints 15 and 12, which are connected to the axes 34 and 35 of the steering shafts 4 and 7, are cross-shaped shafts 17 and 16. By being connected, the upper and lower steering shafts 4 and 7 can be connected to have an eccentricity, and such eccentricity can be easily installed according to the conditions in the engine room 40 when the steering shaft device is installed.

Subsequently, the intermediate shaft 6 has rods 22, 23, 24 and 25 at the ends of the inner joints 14 and 13 connected to the upper and lower steering shafts 4 and 7. The outer ends of the rods 22, 23, 24, 25 which are fastened so as to be rotationally operated as pins 28, 26 fixed as retainer rings 32, 30, and which are the central portions of the intermediate shaft 6; The inner end of the wheel is connected to each of the pins 27 and 29 fixedly retained as retainer rings 31 and 33 so that the intermediate shaft 6 has a lower steering shaft 7 when the vehicle collides. It is pushed to the steering wheel 1 side to the rear of the board 11, so that the rods 22, 23, 24, 25 rotate and rotate with the pins 26, 27, 28, 29. The external shock is easily absorbed by the intermediate shaft 6, and the shock in the front and rear directions is also easily absorbed by the intermediate shaft 6 which is connected to have an eccentricity.

At this time, the intermediate shaft (6) is normally connected to the upper and lower steering shaft (4) (7) in a state in which the rods 22, 23, 24, 25 are in a straight line, and steering operation of the vehicle in ordinary times. When this is done, the intermediate shaft 6 is kept in an extended state.

In addition, the lower steering shaft 7 is engaged with the steering gear box 10 via the intermediate connecting shaft 9, so that when the driver operates the steering wheel 1, the upper steering shaft 4 and the intermediate shaft 6 And eccentrically connected as the lower steering shaft 7 to operate the steering gear box 10 integrally to perform steering operation of the vehicle.

Accordingly, the intermediate shaft (6) having an eccentricity and connection with the separated upper and lower steering shafts (4) and (7) is easily absorbed in the impact of the collision of the vehicle and installed in the engine room (40). Will be easier.

According to the present invention, according to the shock absorbing eccentric steering shaft device of the automobile, the separated upper and lower steering shafts of the steering shaft apparatus are connected as intermediate shafts which are contracted and expanded so as to be rotatable while having an eccentricity. External impact is absorbed from the intermediate shaft during collision, so that the steering shaft and steering wheel are not pushed by the driver, which greatly improves the driver's safety, and the steering shaft is connected to the eccentric state while the steering shaft is separated up and down. Not only can the device be easily installed without being affected by the engine room, but it is also easy to operate, while the simple structure of connecting the upper and lower steering shafts to the intermediate shaft that is contracted and expanded makes it easy to manufacture and install. There is an excellent effect that the workability is easily improved.

Claims (5)

An engine room behind the dashboard 11 is provided with a steering shaft 39 connected to a steering wheel 1 installed to rotate in a forward direction of the housing 2 coupled to the lower side of the crash board 3 installed in the interior front of the vehicle. In the steering device which is connected to the steering gear box 10 installed in the vehicle to steer, The steering shaft 39 is divided into upper and lower steering shafts 4 and 7, respectively, and the steering shafts 4 and 7 are disposed at the lower end of the upper steering shaft 4 and the distal end of the lower steering shaft 7, respectively. The upper and lower steering shaft mounting brackets (5) and (8) are supported to support and fix the lower and tip shafts (34, 35) of the upper and lower steering shafts (4) and (7) outwards. Coupled to the bearings 36 and 37 to be installed in rotation, and the shafts 34 and 35 of the upper and lower steering shafts 4 and 7 are connected to be rotatably operated as intermediate shafts 6. Shock-absorbing eccentric steering shaft device of a vehicle, characterized in that the configuration. The method of claim 1, The shafts 34 and 35 of the upper and lower steering shafts 4 and 7 are coupled to the joints 15 and 12 as fixing bolts 19 and 18, and the upper and lower steering shafts 4 Joints 15 and 12 connected to shafts 34 and 35 of (7) are cross-shafts (17) and (16) connected to joints (14) and (13) on one side. Eccentric Steering Shaft. The method according to claim 1 or 2, The upper and lower steering shafts (4) and (7), the shock absorbing eccentric steering shaft of the vehicle, characterized in that the connection is installed while having an eccentric by the joints 12, 13, 14, 15 connecting them Device. The method of claim 1, The intermediate shaft 6 has rods 22 and 23 at the ends of the inner joints 14 and 13 connected to the shafts 34 and 35 of the upper and lower steering shafts 4 and 7. One end of 24, 25 is fastened so as to be rotationally operated as pins 28, 26, which are fixed as retainer rings 32, 30, and rods 22, 23, which are the center of the intermediate shaft 6; 24) The other end of the shock absorbing eccentric steering shaft device of the vehicle, characterized in that the other end is connected to each of the pins 27, 29 fixed to the retainer ring (31) (33) for rotational operation. The method according to claim 1 or 4, The intermediate shaft (6), the rod 22, 23, 24, 25 in a normal state to perform the steering operation of the vehicle in a normal line and the upper and lower steering shaft (4) (7) and Shock-absorbing eccentric steering shaft device of the vehicle, characterized in that connected.