Automobile steering column limiting device

Abstract

This utility model discloses an automotive steering column limiting device, comprising a mounting plate and connecting plates fixedly connected to both ends of the mounting plate, as well as a threaded sleeve and an adjusting plate. The threaded sleeve is rotatably connected to the symmetrical connecting plates via bearings. A sliding rod is fixedly connected between the upper and lower symmetrical connecting plates. The adjusting plate is slidably sleeved on the outer wall of the sliding rod and moves axially along the threaded sleeve via the sliding rod, and is threadedly connected to the threaded sleeve. Limiting components are fixedly connected to the outer walls of both ends of the sliding rod for limiting the movement stroke of the adjusting plate. Resistance buffer mechanisms are provided at the upper and lower ends of one side of the adjusting plate. This utility model belongs to the technical field of automotive steering systems, specifically a vehicle steering column limiting device for flexible steering limiting of automotive steering columns, avoiding deformation of parts and abnormal noise of the steering column caused by rigid contact of parts, and improving the comfort of steering wheel limit steering.

Description

Technical Field

[0001] This utility model belongs to the technical field of automotive steering systems, and in particular relates to an automotive steering column limiting device. Background Technology

[0002] The steering column limit device is an important component of the steering system, mainly used to control the range of steering wheel rotation angle to ensure the safe and reliable operation of the steering system.

[0003] Common automotive steering column limiting devices include mechanical limiting structures and angle sensor monitoring structures. Mechanical limiting structures are installed near the steering column or steering gearbox, limiting the maximum rotation angle of the steering shaft through physical contact. However, this rigid contact means that during extreme steering maneuvers, collisions between parts can easily cause structural deformation, leading to problems such as steering column jamming or abnormal noises. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide flexible steering limit for automotive steering columns, so as to avoid deformation of parts and abnormal noise of steering columns caused by rigid contact of parts, and improve the comfort of steering wheel limit.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a car steering column limiting device, including a mounting plate and connecting plates fixedly connected to both ends of the mounting plate, and also including a threaded sleeve and an adjusting plate. The threaded sleeve is rotatably connected to the symmetrical connecting plates through bearings. A sliding rod is fixedly connected between the upper and lower symmetrical connecting plates. The adjusting plate is slidably sleeved on the outer wall of the sliding rod and moves along the axial direction of the threaded sleeve through the sliding rod and is threadedly connected to the threaded sleeve. Limiting components are fixedly connected to the outer walls of both ends of the sliding rod for limiting the movement stroke of the adjusting plate. A resistance buffer mechanism is provided at the upper and lower ends of one side of the adjusting plate.

[0006] Furthermore, both ends of the threaded sleeve extend to the outside of the symmetrical connecting plate, and the outer wall of the extended end of the threaded sleeve has a locking hole for bolt fixing connection between the threaded sleeve and the steering column. The slide rod is arranged symmetrically on the left and right with the threaded sleeve as the center.

[0007] Furthermore, the limiting component includes a clamp and a connecting rod. The clamp is movably connected to the outer walls of both ends of the slide rod, and the two ends of the connecting rod are fixedly connected to the outer walls of the symmetrical clamps. The connecting rods are symmetrically distributed around the clamps for synchronous adjustment of the symmetrical clamps.

[0008] Furthermore, the resistance buffer mechanism includes a support spring and a washer. One end of the support spring is fixedly connected to the end of the adjusting plate, and the support spring is wound around the outer wall of the slide rod. The washer is slidably sleeved on the outer wall of the slide rod and fixedly connected to the other end of the support spring.

[0009] Furthermore, the mounting plates are arranged symmetrically on the left and right sides, and the mounting plates have positioning holes arranged at equal intervals along the length of the connecting plate.

[0010] Furthermore, the end face of the adjusting plate is diamond-shaped, and the cross-sectional dimension of the adjusting plate is smaller than that of the connecting plate.

[0011] With the above structure, the beneficial effects of this utility model are as follows: For the flexible steering limit of the steering column rotation angle of automobiles, when the steering wheel is turned, the screw sleeve rotates synchronously, and the external thread of the screw sleeve pushes the adjusting plate to move axially. The resistance buffer mechanism at the upper and lower ends of the adjusting plate avoids rigid contact between parts, improving the comfort of the steering wheel limit. At the same time, the sliding rods on both sides of the screw sleeve support the limiting component. The symmetrically distributed limiting components on the upper and lower sides control the movement stroke of the adjusting plate on the sliding rods, thereby realizing the control of the steering wheel limit angle. Attached Figure Description

[0012] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0013] Figure 1 This is a schematic diagram of the overall structure of the automotive steering column limiting device proposed in this utility model.

[0014] Figure 2 This is a schematic diagram of the mounting plate structure of the automotive steering column limiting device proposed in this utility model;

[0015] Figure 3 This is a half-sectional view of the automotive steering column limiting device proposed in this utility model;

[0016] Figure 4 This is a side view of the internal structure of the automotive steering column limiting device proposed in this utility model.

[0017] In the attached diagram: 1. Mounting plate, 2. Connecting plate, 3. Screw sleeve, 4. Adjusting plate, 5. Slide rod, 6. Limiting component, 7. Resistance buffer mechanism, 8. Locking hole, 9. Clamp, 10. Connecting rod, 11. Support spring, 12. Washer, 13. Positioning hole. Detailed Implementation

[0018] like Figure 1-4As shown, the automotive steering column limiting device includes a mounting plate 1 and connecting plates 2 fixedly connected to both ends of the mounting plate 1. It also includes a threaded sleeve 3 and an adjusting plate 4. The threaded sleeve 3 is rotatably connected to the symmetrical connecting plates 2 via bearings. A sliding rod 5 is fixedly connected between the upper and lower symmetrical connecting plates 2. The adjusting plate 4 is slidably sleeved on the outer wall of the sliding rod 5 and moves axially along the threaded sleeve 3 via the sliding rod 5, and is threadedly connected to the threaded sleeve 3. Limiting components 6 are fixedly connected to the outer walls of both ends of the sliding rod 5 to limit the travel of the adjusting plate 4. Resistance buffer mechanisms 7 are provided at the upper and lower ends of one side of the adjusting plate 4. Both ends of the threaded sleeve 3 extend to the outside of the symmetrical connecting plates 2. Locking holes 8 are opened on the outer walls of the extended ends of the threaded sleeve 3 for bolted connection between the threaded sleeve 3 and the steering column. The sliding rod 5 is centered on the threaded sleeve 3. The center is symmetrically distributed on both sides, and the mounting plate 1 is also symmetrically distributed on both sides. The mounting plate 1 has positioning holes 13, which are arranged at equal intervals along the length of the connecting plate 2. The device is connected to the vehicle body through the positioning holes 13 of the back mounting plate 1. Bolts are inserted into the locking holes 8 on the side walls of both ends of the screw sleeve 3, and the screw sleeve 3 is fixed to the steering column by the bolts. When the steering wheel is turned, the screw sleeve 3 rotates synchronously, and at the same time, the adjusting plate 4 moves and adjusts along the axial direction of the screw sleeve 3 under the limiting action of the symmetrical sliding rod 5. The movement stroke of the adjusting plate 4 is changed by the upper and lower symmetrical limiting mechanism, and the resistance buffer mechanism 7 at the upper and lower ends of the adjusting plate 4 is in flexible contact with the limiting component 6 to achieve control of the steering wheel's limit steering angle and prevent parts from jamming.

[0019] like Figure 2 and Figure 3 As shown, in order to limit the travel of the adjusting plate 4, the limiting component 6 includes clamps 9 and connecting rods 10. The clamps 9 are movably connected to the outer walls of both ends of the slide rod 5, and the two ends of the connecting rods 10 are fixedly connected to the outer walls of the symmetrical clamps 9. The connecting rods 10 are symmetrically distributed around the clamps 9 and are used for the synchronous adjustment of the symmetrical clamps 9. When the clamps 9 are loosened, the height of the symmetrical clamps 9 on the left and right sides is adjusted synchronously through the connecting rods 10, and the height of the symmetrical clamps 9 on the upper and lower sides is adjusted simultaneously, thus limiting the travel of the adjusting plate 4 between the symmetrical clamps 9 on the upper and lower sides.

[0020] like Figure 1-4 As shown, in order to achieve flexible support during extreme steering of the steering column, the resistance buffer mechanism 7 includes a support spring 11 and a washer 12. One end of the support spring 11 is fixedly connected to the end of the adjusting plate 4. The support spring 11 is wrapped around the outer wall of the slide rod 5. The washer 12 is slidably sleeved on the outer wall of the slide rod 5 and fixedly connected to the other end of the support spring 11. When the adjusting plate 4 moves axially along the symmetrical slide rod 5, the adjusting plate 4 pushes the resistance buffer mechanism 7 to move synchronously. The washer 12 first contacts the end face of the clamp 9. At the same time, the support spring 11 is squeezed by force, and the reverse elastic force increases the resistance to the movement of the adjusting plate 4 and provides flexible support for the adjusting plate 4.

[0021] The end face of the adjusting plate 4 is diamond-shaped, and the cross-sectional dimension of the adjusting plate 4 is smaller than that of the connecting plate 2, so as to avoid the adjusting plate 4 from contacting the mounting plate 1 during the movement and to avoid mechanical interference.

[0022] In actual use, the device is connected to the vehicle body through the positioning hole 13 of the back mounting plate 1. The operator connects the device to the outer wall of the steering column through the screw sleeve 3. Bolts are inserted into the locking holes 8 on both sides of the screw sleeve 3, and the screw sleeve 3 is fixedly installed on the steering column by the bolts.

[0023] Loosen the clamp 9, adjust the position of the symmetrical limiting mechanism of the slide rod 5, and adjust the height of the symmetrical clamps 9 on the left and right through the connecting rod 10. Simultaneously adjust the symmetrical clamps 9 on the upper and lower sides, and limit the movement of the adjusting plate 4 between the symmetrical clamps 9 on the upper and lower sides.

[0024] When the steering wheel is turned, the screw sleeve 3 rotates synchronously, and at the same time, the adjusting plate 4 moves along the axis of the screw sleeve 3 under the limiting action of the symmetrical slide rod 5. The movement stroke of the adjusting plate 4 is changed by the upper and lower symmetrical clamps 9.

[0025] When the adjusting plate 4 moves up and down, the resistance buffer mechanism 7 at both ends flexibly contacts the end face of the clamp 9 to control the limit steering angle of the steering wheel and prevent parts from jamming. The washer 12 contacts the end face of the clamp 9 first, and at the same time the support spring 11 is squeezed by force, using the reverse elastic force to increase the resistance to the movement of the adjusting plate 4 and flexibly support the adjusting plate 4.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents. In conclusion, if those skilled in the art, inspired by this description, design similar structural methods and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A steering column limiting device for automobiles, comprising a mounting plate (1) and connecting plates (2) fixedly connected to both ends of the mounting plate (1), characterized in that: It also includes a screw sleeve (3) and an adjusting plate (4). The screw sleeve (3) is rotatably connected to the symmetrical connecting plate (2) through a bearing. A slide rod (5) is fixedly connected between the upper and lower symmetrical connecting plates (2). The adjusting plate (4) is slidably sleeved on the outer wall of the slide rod (5) and moves along the axial direction of the screw sleeve (3) through the slide rod (5) and is threadedly connected to the screw sleeve (3). Limiting components (6) are fixedly connected to the outer walls of both ends of the slide rod (5) for limiting the movement stroke of the adjusting plate (4). A resistance buffer mechanism (7) is provided at the upper and lower ends of one side of the adjusting plate (4).

2. The automobile steering column limiting device according to claim 1, characterized by: The two ends of the threaded sleeve (3) extend to the outside of the symmetrical connecting plate (2). The outer wall of the extended end of the threaded sleeve (3) has a locking hole (8) for bolt fixing connection between the threaded sleeve (3) and the steering column. The slide rod (5) is symmetrically distributed on the left and right with the threaded sleeve (3) as the center.

3. The automotive steering column impact limiter according to claim 2, characterized in that: The limiting component (6) includes a clamp (9) and a connecting rod (10). The clamp (9) is movably connected to the outer walls of both ends of the slide rod (5). The two ends of the connecting rod (10) are fixedly connected to the outer walls of the symmetrical clamp (9). The connecting rod (10) is symmetrically distributed around the clamp (9) and is used for the synchronous adjustment of the symmetrical clamp (9).

4. The automotive steering column impact limiter according to claim 3, characterized in that: The resistance buffer mechanism (7) includes a support spring (11) and a washer (12). One end of the support spring (11) is fixedly connected to the end of the adjusting plate (4). The support spring (11) is wrapped around the outer wall of the slide rod (5). The washer (12) is slidably sleeved on the outer wall of the slide rod (5) and fixedly connected to the other end of the support spring (11).

5. The automotive steering column impact limiter according to claim 1, characterized by: The mounting plate (1) is symmetrically distributed on the left and right, and the mounting plate (1) has positioning holes (13) inside. The positioning holes (13) are arranged at equal intervals along the length direction of the connecting plate (2).

6. The automotive steering column impact limiter according to claim 1, characterized by: The end face of the adjustment plate (4) is diamond-shaped, and the cross-sectional dimension of the adjustment plate (4) is smaller than that of the connecting plate (2).

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