A device for rotating the steering wheel and seat together

Abstract

The present invention discloses a device for rotating a steering wheel and a seat together. The device includes a steering wheel assembly, a steering wheel transmission rod assembly, a seat assembly, a rotating mechanism assembly, a steering gear assembly, and a positioning pin assembly. The rotating mechanism assembly mainly includes an upper seat body and a lower seat body. In the present invention, the upper seat body can rotate around the center of the lower seat body through gears and bearings. After reaching the position, it is fixed by the positioning pins of the positioning pin assembly. The steering force of the steering wheel is transmitted to three meshing gears through the steering wheel transmission rod assembly, and then transmitted to the steering gear assembly through the output shaft by the gears to achieve the steering operation, so as to quickly realize the switching of the forward and reverse two-way steering operations. It can quickly complete the integrated rotation of the seat and the steering wheel, realize the reversing operation of the seat and the steering wheel, so as to achieve the purpose of comfortable reverse driving, improve the safety of the vehicle during reverse driving, and expand the application range of the vehicle.

Description

Technical Field

[0001] The present invention relates to a device for rotating a steering wheel and a seat together, and belongs to the technical field of agricultural machinery. Background Art

[0002] Generally, most tractors or construction machinery can meet the requirements by driving in one direction. However, with the application and development of tractors or construction machinery, to adapt to more working conditions, many tractors or construction machinery need to drive forward and backward, so as to improve the comfort of the driver and the working efficiency. Some are set with double-station operation, which occupies a large space; some only rotate the seat and can only be operated when the vehicle stops; there are also those with the steering wheel and seat rotating together, but the structure is complex and the cost is high. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a device for rotating a steering wheel and a seat together, which is used for changing the driving direction without stopping the operation of a tractor or construction machinery during travel.

[0004] The technical solution of the present invention is as follows: A device for rotating a steering wheel and a seat together, the device includes a steering wheel assembly, a steering wheel transmission rod assembly, a seat assembly, a rotating mechanism assembly, a steering gear assembly, and a positioning pin assembly; the rotating mechanism assembly mainly includes an upper seat body and a lower seat body; an input shaft hole and a first positioning pin hole are opened at the top of the upper seat body, an input shaft is arranged to pass through the input shaft hole, an input shaft small bearing, an input shaft bearing spacer, and an input shaft gear spacer are arranged on the input shaft, an input gear is connected to the lower part of the input shaft through an input shaft flat key and an input shaft locking nut, a large bearing of the upper seat body is arranged in the middle of the upper seat body, a shaft retaining ring is arranged on the upper part of the large bearing of the upper seat body, and a hole retaining ring is arranged on the lower part; the upper seat body is fixed on the lower seat body through the upper seat body bearing and the shaft retaining ring; the lower seat body is fixed on the frame, a second positioning pin hole and a third positioning pin hole are arranged at the top of the lower seat body, a large bearing of the lower seat body is arranged in the middle of the lower seat body, a large bearing spacer is arranged between the large bearing of the upper seat body and the large bearing of the lower seat body, a bearing cover bolt, a bearing cover, and a gear ring are arranged on the large bearing of the lower seat body; an output shaft fixing part is fixed on the side of the lower seat body, an output shaft, an output shaft small bearing, and an output shaft bearing spacer are arranged in the output shaft fixing part, an output gear is further fixed to the top end of the output shaft through an output shaft locking nut and an output shaft flat key, an output shaft gear spacer is arranged between the output gear and the output shaft small bearing, and the bottom end of the output shaft is connected to the steering gear assembly; the steering wheel assembly is connected to the top end of the input shaft through the steering wheel transmission rod assembly, the seat assembly is fixed on the upper seat body, the positioning pin assembly mainly includes a positioning pin, a positioning pin sleeve, and a compression spring, the positioning pin passes through the positioning pin sleeve and the first positioning pin hole, the positioning pin is inserted into the second positioning pin hole, and a compression spring is sleeved on the positioning pin.

[0005] The upper seat body of the present invention can rotate around the center of the rotating lower seat body through gears and bearings. After reaching the position, it is fixed by the positioning pins of the positioning pin assembly. The steering force of the steering wheel is transmitted to three meshing gears through the steering wheel transmission rod assembly, and then transmitted to the steering gear assembly through the output shaft by the gears to realize the steering operation, so as to quickly realize the switching of the forward and reverse two-way steering operations. It can quickly complete the integral rotation of the seat and the steering wheel, realize the commutation operation of the seat and the steering wheel, so as to achieve the purpose of comfortable reverse driving, improve the safety of the whole vehicle during reverse driving, and expand the application range of the whole vehicle. Description of the Drawings

[0006] Figure 1 It is a schematic diagram of the present invention;

[0007] Figure 2 It is a perspective view of the present invention;

[0008] Figure 3 It is a vertical sectional view of the rotating mechanism assembly and the positioning pin assembly of the present invention.

[0009] Description of the reference numerals in the drawings: seat assembly 1, steering wheel assembly 2, steering wheel transmission rod assembly 3, positioning pin 4, frame 5, steering gear assembly 6, positioning pin sleeve 7, shaft snap ring 8, upper seat body 9, upper seat body large bearing 10, hole snap ring 11, input shaft 12, input shaft small bearing 13, input shaft small bearing spacer 14, input shaft gear spacer 15, input gear 16, input shaft flat key 17, input shaft locking nut 18, bearing gland bolt 19, bearing gland 20, gear ring 21, large bearing spacer 22, lower seat body 23, steering gear assembly connecting bolt 24, output shaft 25, output gear 26, output shaft small bearing 27, output shaft small bearing spacer 28, output shaft gear spacer 29, output shaft flat key 30, output shaft locking nut 31, compression spring 32, handle 33, positioning pin assembly locking bolt 34, output shaft fixing part 35, lower seat body large bearing 36. Detailed Description of the Invention

[0010] As Figures 1 - 3As shown in the figure, a device for the simultaneous rotation of a steering wheel and a seat. The device includes a steering wheel assembly 2, a steering wheel transmission rod assembly 3, a seat assembly 1, a rotation mechanism assembly, a steering gear assembly 6, and a positioning pin assembly. The rotation mechanism assembly mainly includes an upper seat body 9 and a lower seat body 23. An input shaft hole and a first positioning pin hole are provided at the top of the upper seat body 9. An input shaft 12 is arranged to pass through the input shaft hole. Two input shaft small bearings 13 are arranged on the input shaft 12. An input shaft small bearing spacer 14 is arranged between the two input shaft small bearings 13. Below the input shaft 12, an input gear 16 is connected through an input shaft flat key 17 and an input shaft locking nut 18. An input shaft gear spacer 15 is arranged between the input shaft small bearing 13 and the input gear 16. A large bearing of the upper seat body 10 is arranged in the middle of the upper seat body 9. A shaft retaining ring 8 is arranged above the large bearing of the upper seat body 10, and a hole retaining ring 11 is arranged below it. The upper seat body 9 is fixed on the lower seat body 23 through the bearing of the upper seat body and the shaft retaining ring 8, and the upper seat body 9 can rotate around the lower seat body 23. The lower seat body 23 is fixed on the frame 5. A second positioning pin hole and a third positioning pin hole are provided at the top of the lower seat body 23. A large bearing of the lower seat body 36 is arranged in the middle of the lower seat body 23. A large bearing spacer 22 is arranged between the large bearing of the upper seat body 10 and the large bearing of the lower seat body 36. A bearing cover 20 is arranged on the large bearing of the lower seat body 36. A gear ring 21 is fixed on the bearing cover 20 through a bearing cover bolt 19. The input gear 16 meshes with the gear ring 21. An output shaft fixing part 35 is fixed on the side of the lower seat body 23. An output shaft 25 is arranged in the output shaft fixing part 35. Two output shaft small bearings 27 are arranged on the output shaft 25. An output shaft small bearing spacer 28 is arranged between the two output shaft small bearings 27. An output gear 26 is also fixed at the top end of the output shaft 25 through an output shaft locking nut 31 and an output shaft flat key 30. The output gear 26 meshes with the gear ring 21. An output shaft gear spacer 29 is arranged between the output gear 26 and the output shaft small bearing 27. The bottom end of the output shaft 25 is set as a protruding key and is connected to the steering gear assembly 6. The steering gear assembly 6 is fixed on the output shaft fixing part 35 through a steering gear assembly connecting bolt 24. The steering wheel assembly 2 is connected to the top end of the input shaft 12 through the steering wheel transmission rod assembly 3. The seat assembly 1 is fixed on the upper seat body 9. The positioning pin assembly mainly includes a positioning pin 4, a positioning pin sleeve 7, and a compression spring 32. A handle 33 is connected to the top of the positioning pin 4. A compression spring 32 is sleeved on the positioning pin 4. A positioning pin assembly locking bolt 34 fixes the positioning pin sleeve 7 on the upper seat body 9. The positioning pin 4 is inserted into the positioning pin sleeve 7 and passes through the first positioning pin hole, and the positioning pin 4 is inserted into the second positioning pin hole.

[0011] Forward and reverse adjustment of the present invention and force transmission path: Pull up the handle 33, overcoming the spring force of the compression spring 32 to disengage the positioning pin 4 from the second positioning pin hole of the lower seat body 23. Rotate the steering wheel assembly 2, and the force of the steering wheel assembly 2 is transmitted to the input shaft 12 through the direction transmission rod assembly. The input shaft 12 transmits the force to the input shaft gear. Since the gear ring 21 is mounted on the lower seat body 23 through the large bearing 36 of the lower seat body, the input shaft gear drives the gear ring 21 to rotate. The gear ring 21 transmits the force to the output gear 26, and the output gear 26 transmits the force to the output shaft 25. The output shaft 25 transmits the force to the steering gear assembly 6 through the protruding key provided at the other end. The upper seat body 9 can rotate and automatically inserts into the third positioning pin hole of the lower seat body 23 under the action of the spring force after reaching 180 degrees, completing the adjustment and positioning of the seat direction.

Claims

1. A device for rotating a steering wheel and a seat together, characterized in that: The device includes a steering wheel assembly (2), a steering wheel transmission rod assembly (3), a seat assembly (1), a rotating mechanism assembly, a steering gear assembly (6), and a positioning pin assembly; the rotating mechanism assembly mainly includes an upper seat body (9) and a lower seat body (23); an input shaft hole and a first positioning pin hole are provided at the top of the upper seat body (9), an input shaft (12) is arranged to pass through the input shaft hole, an input shaft small bearing (13), an input shaft small bearing spacer sleeve (14), and an input shaft gear spacer sleeve (15) are arranged on the input shaft (12), the input gear (16) is connected below the input shaft (12) through an input shaft flat key (17) and an input shaft locking nut (18), a large bearing of the upper seat body (10) is arranged in the middle of the upper seat body (9), a shaft retaining ring (8) is arranged above the large bearing of the upper seat body (10), and a hole retaining ring (11) is arranged below; the upper seat body (9) is fixed on the lower seat body (23) through the large bearing of the upper seat body (10) and the shaft retaining ring (8); the lower seat body (23) is fixed on the frame (5), a second positioning pin hole and a third positioning pin hole are provided at the top of the lower seat body (23), a large bearing of the lower seat body (36) is arranged in the middle of the lower seat body (23), a large bearing spacer sleeve (22) is arranged between the large bearing of the upper seat body (10) and the large bearing of the lower seat body (36), a bearing gland bolt (19), a bearing gland (20), and a gear ring (21) are arranged on the large bearing of the lower seat body (36); an output shaft fixing part (35) is fixed on the side of the lower seat body (23), an output shaft (25), an output shaft small bearing (27), and an output shaft small bearing spacer sleeve (28) are arranged in the output shaft fixing part (35), an output gear (26) is also fixed at the top end of the output shaft (25) through an output shaft locking nut (31) and an output shaft flat key (30), an output shaft gear spacer sleeve (29) is arranged between the output gear (26) and the output shaft small bearing (27), and the bottom end of the output shaft (25) is connected to the steering gear assembly (6); the steering wheel assembly (2) is connected to the top end of the input shaft (12) through the steering wheel transmission rod assembly (3), the seat assembly (1) is fixed on the upper seat body (9), the positioning pin assembly mainly includes a positioning pin (4), a positioning pin sleeve (7), and a compression spring (32), the positioning pin (4) passes through the positioning pin sleeve (7) and the first positioning pin hole, the positioning pin (4) is inserted into the second positioning pin hole, and the compression spring (32) is sleeved on the positioning pin (4).

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