Agricultural machinery steering column with dual inclination adjustment

Abstract

The utility model discloses a kind of agricultural machinery steering columns of double inclination angle adjustment, including base and steering shaft assembly, the base middle rotation is provided with steering shaft assembly, the base top is provided with first ear seat, first ear seat top is hinged with two vertical boards, two vertical boards top is hinged with second ear seat, the steering shaft assembly top is connected with telescopic link through second ear seat, telescopic link top is equipped with steering wheel, the height of steering wheel is conveniently adjusted;The bottom of telescopic link is provided with locking mechanism, for the telescopic link is locked.The utility model increases an angle adjustment mode on the basis of existing steering column, so that steering column has double inclination angle adjustment structure, further improve the adjustment range of steering wheel for driver, better meet the demand of driver under the condition of guaranteeing safety.

Description

Technical Field

[0001] This utility model relates to the field of steering column technology, and in particular to a steering column for agricultural machinery with dual tilt adjustment. Background Technology

[0002] To facilitate driver use, most existing agricultural machinery steering columns are adjustable in height and angle. However, the angle adjustment is usually done by setting an adjustment mechanism on the upper part of the steering column, which has certain limitations and cannot meet the needs of all drivers. Utility Model Content

[0003] To address the limitations of existing agricultural machinery steering column angle adjustment methods, which typically involve adjusting the steering column via an adjustment mechanism located at its upper part and thus not meeting the needs of all drivers, this invention provides an agricultural machinery steering column with dual tilt adjustment.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A tilt-adjustable agricultural machinery steering column includes a base and a steering shaft assembly. The steering shaft assembly is rotatably mounted in the center of the base. A first lug is located on the top of the base, and two upright plates are hinged to the top of the first lug. A second lug is hinged to the top of the two upright plates. A telescopic rod is connected to the top of the steering shaft assembly through the second lug. A steering wheel is mounted on the top of the telescopic rod for easy adjustment of the steering wheel height. A locking mechanism is located at the bottom of the telescopic rod for locking the telescopic rod. A third lug is located in the middle of the two upright plates, and a second gas spring is hinged between the third lug and the base. A first gas spring is hinged between the third lug and the second lug for adjusting the tilt angle of the upright plates, thereby adjusting the steering wheel angle. The opening and closing of the first gas spring is controlled by a brake cable, which is connected to the locking mechanism. A pedal is rotatably mounted on one side of the first lug. A hook is mounted on the rotating shaft of the pedal, and the hook is connected to the second gas spring via a spring for controlling the opening and closing of the second gas spring.

[0005] Preferably, the locking mechanism includes a hoop plate for locking the telescopic rod, a rotating rod is rotatably provided at the opening of the hoop plate, a locking block is provided on the rotating rod for locking the rotating rod, a handle is provided at one end of the rotating rod, and the other end is connected to the brake cable through the rotating plate.

[0006] Preferably, the locking block consists of two toothed rings arranged opposite each other, one ring being mounted on the hoop plate and the other ring being mounted on the rotating rod.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model adds an angle adjustment method to the existing steering column, so that the steering column has a dual tilt adjustment structure, which further improves the driver's adjustment range of the steering wheel and better meets the driver's needs while ensuring safety. Attached Figure Description

[0008] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the main structure of an embodiment of the present utility model; Figure 3 This is a side view of an embodiment of the present utility model. Figure 4 This is a three-dimensional structural diagram of the locking mechanism according to an embodiment of the present utility model.

[0009] In the diagram: 1. Base, 2. First ear seat, 3. Upright plate, 4. Second ear seat, 5. Telescopic rod, 6. Locking mechanism, 601. Hoop plate, 602. Rotating rod, 603. Handle, 604. Locking block, 605. Rotating plate, 7. Brake cable, 8. First gas spring, 9. Second gas spring, 10. Third ear seat, 11. Spring, 12. Pedal, 13. Hook, 14. Steering shaft assembly. Detailed Implementation

[0010] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0012] like Figures 1 to 3As shown, this embodiment of the utility model includes a base 1 and a steering shaft assembly 14. The steering shaft assembly 14 is rotatably mounted in the middle of the base 1. A first lug 2 is provided on the top of the base 1. Two upright plates 3 are hinged to the top of the first lug 2. A second lug 4 is hinged to the top of the two upright plates 3. A telescopic rod 5 is connected to the top of the steering shaft assembly 14 through the second lug 4. A steering wheel is mounted on the top of the telescopic rod 5 for easy adjustment of the steering wheel height. A locking mechanism 6 is provided at the bottom of the telescopic rod 5 for locking the telescopic rod 5. A third... The third ear seat 10 is hinged to the base 1 with a second gas spring 9, and the third ear seat 10 is hinged to the second ear seat 4 with a first gas spring 8, which is used to adjust the tilt angle of the upright plate 3, and thus adjust the angle of the steering wheel; the opening and closing of the first gas spring 8 is controlled by the brake cable 7, and the brake cable 7 is connected to the locking mechanism 6; a pedal 12 is rotatably installed on one side of the first ear seat 2, and a hook 13 is installed on the rotating shaft of the pedal 12. The hook 13 is connected to the second gas spring 9 through the spring 11, and is used to control the opening and closing of the second gas spring 9.

[0013] like Figure 4 As shown, the locking mechanism 6 includes a clamp plate 601 for locking the telescopic rod 5. A rotating rod 602 is rotatably mounted at the opening of the clamp plate 601. A locking block 604 is mounted on the rotating rod 602 for locking the rotating rod 602. One end of the rotating rod 602 is equipped with a handle 603, and the other end is connected to the brake cable 7 via a rotating plate 605. The locking block 604 consists of two toothed rings arranged opposite each other, one ring being mounted on the clamp plate 601 and the other ring being mounted on the rotating rod 602.

[0014] When the driver needs to adjust the steering wheel height, turning the handle 603 rotates the lever 602, which in turn rotates the ring on the lever 602. This causes the teeth of the ring on the lever 602 to align with the grooves of the ring on the clamp plate 601. Because the clamp plate 601 has a certain degree of elasticity, the teeth of the ring on the lever 602 enter the grooves of the ring on the clamp plate 601, meaning the clamp plate 601 loosens and no longer locks the telescopic rod 5. Thus, the driver can adjust the steering wheel height by extending and retracting the telescopic rod 5. Simultaneously, the lever 602... 2. After rotation, the brake cable 7 is released, thus opening the air intake of the first air spring 8. The driver can adjust the steering wheel angle by rotating the second ear seat 4. After adjustment, rotate the handle 603 in the opposite direction, causing the teeth of the ring on the lever 602 to disengage from the grooves of the ring on the clamp plate 601. The two ring teeth then align and stop rotating. At this time, the clamp plate 601 is tightened, thereby locking the telescopic rod 5. By pulling the brake cable 7, the air intake of the first air spring 8 is blocked, thus locking the height and angle of the steering wheel. If the driver still feels uncomfortable after adjusting the height and angle of the steering wheel through the above steps, they can also press the pedal 12. The pedal 12 drives the hook 13 to rotate, which in turn pulls the spring 11 to open the air intake of the second air spring 9. At this time, the steering wheel angle can be further adjusted by rotating the upright plate 3. After adjustment, release the pedal 12.

[0015] 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.

Claims

1. A steering column for agricultural machinery with dual tilt adjustment, characterized in that: The system includes a base and a steering shaft assembly. The steering shaft assembly is rotatably mounted in the center of the base. A first lug is located on the top of the base, and two upright plates are hinged to the top of the first lug. A second lug is hinged to the top of the two upright plates. A telescopic rod is connected to the top of the steering shaft assembly through the second lug. A steering wheel is mounted on the top of the telescopic rod for easy height adjustment. A locking mechanism is located at the bottom of the telescopic rod for locking it. A third lug is located in the middle of the two upright plates, and a second gas spring is hinged between the third lug and the base. A first gas spring is hinged between the third lug and the second lug, used to adjust the tilt angle of the upright plates, thereby adjusting the steering wheel angle. The opening and closing of the first gas spring is controlled by a brake cable, which is connected to the locking mechanism. A pedal is rotatably mounted on one side of the first lug. A hook is mounted on the rotating shaft of the pedal, and the hook is connected to the second gas spring via a spring to control the opening and closing of the second gas spring.

2. The tilt-adjustable agricultural machinery steering column according to claim 1, characterized in that: The locking mechanism includes a hoop plate for locking the telescopic rod. A rotating rod is rotatably mounted at the opening of the hoop plate. A locking block is mounted on the rotating rod for locking the rotating rod. A handle is mounted at one end of the rotating rod, and the other end is connected to the brake cable via a rotating plate.

3. The tilt-adjustable agricultural machinery steering column according to claim 2, characterized in that: The locking block consists of two toothed rings arranged opposite each other, one ring being mounted on the hoop plate and the other ring being mounted on the rotating rod.

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