CN215972093U - Left-right swinging structure of steering column - Google Patents

Abstract

The application relates to a left-right swinging structure of a steering column, which comprises a bottom plate and a steering column main body, wherein the steering column main body is arranged along the vertical direction; the driving assembly is arranged on the bottom plate and used for providing driving force for the left-right swinging of the steering column main body. The application helps to solve the problem that fatigue is easily caused when a driver manually controls the left and right swinging of the steering column.

Description

Left-right swinging structure of steering column

Technical Field

The application relates to the technical field of steering columns, in particular to a left-right swinging structure of a steering column.

Background

The steering column refers to a control rod for a pilot to operate an aircraft elevator and an aileron, and the flight direction of the aircraft can be controlled by pulling the steering column to the left or to the right.

The steering column that has the relevant technical design includes the bottom plate and sets up the steering column main part on the bottom plate, and the steering column main part sets up along vertical direction to the bottom of steering column main part is rotated and is connected on the bottom plate, makes the steering column main part can realize the horizontal hunting. However, when the driver operates the steering column body, the driver needs to manually swing the steering column body, and fatigue is likely to occur after the driver operates the steering column body for a long time, which reduces the driving comfort of the driver.

SUMMERY OF THE UTILITY MODEL

The application provides a left-right swinging structure of a steering column, aiming at solving the problem that fatigue is easy to generate when a driver manually swings the steering column left and right.

The application provides a left and right sides swing structure of steering column adopts following technical scheme:

a left-right swinging structure of a steering column comprises a bottom plate and a steering column main body, wherein the steering column main body is arranged along the vertical direction, a steering column shell is arranged on the bottom plate and is arranged along the vertical direction, and the steering column main body is rotatably connected with the steering column shell; the driving assembly is arranged on the bottom plate and used for providing driving force for the left-right swinging of the steering column main body.

Through adopting above-mentioned technical scheme, the steering column main part rotates with the steering column shell to be connected for the steering column can the horizontal hunting, can provide the drive power on the linear direction for the steering column main part through drive assembly, helps realizing the automatic horizontal hunting of steering column main part.

Preferably, the bottom end of the steering column main body is located inside the steering column housing.

Through adopting above-mentioned technical scheme, the steering column main part carries out the yaw in the steering column shell for the steering column shell limits the swing range of steering column main part.

Preferably, the bottom of steering column main part is provided with the axle sleeve, the axle sleeve sets up along the horizontal direction, the inner ring of axle sleeve is provided with first pin, the both ends of first pin are passed the steering column shell.

Through adopting above-mentioned technical scheme, the steering column main part passes through the axle sleeve and rotates to be connected on the steering column shell for when the steering column is wobbling, can change the axle sleeve after axle sleeve and the impaired friction of first pin, avoid directly changing the steering column main part, and then help reducing the replacement cost.

Preferably, a first connecting block extends out of the surface of the shaft sleeve, a pull rod is rotatably connected to the first connecting block, the pull rod is arranged in the vertical direction, and the driving assembly provides a pulling force in the vertical direction for the movement of the pull rod.

Through adopting above-mentioned technical scheme, drive assembly provides the ascending drive power of vertical direction for the pull rod moves along vertical direction, makes the axle sleeve use first pin to rotate as the central line, and then makes the steering column main part realize the horizontal hunting.

Preferably, a limit nail is arranged in the steering column shell and below the pull rod.

Through adopting above-mentioned technical scheme, when the pull rod was at upper and lower displacement, can support on the stopper for the stopper carries on spacingly to the position of pull rod, and then restricts the rotation amplitude of axle sleeve and the swing range of steering column main part, helps avoiding the steering column main part to collide on the edge of steering column shell when the swing.

Preferably, the bottom end of the pull rod is rotatably connected with a main arm, a second pin is arranged on the main arm, the second pin is rotatably connected to the steering column shell, and the driving assembly provides driving force for rotation of the main arm.

Through adopting above-mentioned technical scheme, when drive assembly provides drive power for the main arm and makes the main arm take place to rotate, can drive the pull rod and realize displacement from top to bottom, the axle sleeve takes place to rotate simultaneously, and then makes the steering column main part realize the horizontal hunting.

Preferably, a rotary damper is arranged on the bottom plate, a damping rod is arranged at the output end of the rotary damper, the damping rod is rotatably connected between the damping rod and the main arm, and the rotary damper is used for providing damping for the steering column main body when the steering column main body rotates.

Through adopting above-mentioned technical scheme, make rotary damper provide the resistance for the rotation of damping rod, the displacement of the removal of damping connecting rod also can be obstructed, the rotation of main arm receives the resistance, the pull rod of being connected with the main arm is obstructed when reciprocating, the rotation of axle sleeve also can be obstructed, the swing of steering column main part is obstructed simultaneously, and then realized that rotary damper provides the cushioning effect for the swing of steering column main part, thereby help avoiding the too big steering column main part that leads to of steering column main part swing dynamics to bump with the steering column shell and lead to damaging.

Preferably, a first bidirectional rocker arm is rotatably connected to the bottom plate, and a fixed connecting rod is rotatably connected between the first bidirectional rocker arm and the main arm; the bottom plate below is provided with the mounting panel, be provided with the spring sleeve on the mounting panel, the telescopic one end of spring is rotated and is connected on the first bidirectional rocker arm, the telescopic other end of spring with the drive assembly transmission is connected, the spring sleeve is used for making automatic time-out when swing steering column main part passes through manual swing.

Through adopting above-mentioned technical scheme, if through manual swing to the steering column main part, then the spring sleeve stretches or contracts under the effect of first two-way rocking arm, and when loosening the steering column main part, the spring sleeve is automatic to be resumeed, and then helps making the steering column main part automatic to return.

Preferably, be provided with the absolute value encoder on the mounting panel, the input of absolute value encoder rotates and is connected with the encoder rocking arm, the encoder rocking arm with it is connected with the encoder connecting rod to rotate between the first bidirectional rocker arm, the absolute value encoder is used for right the amplitude of oscillation of steering column main part detects.

Through adopting above-mentioned technical scheme, when first bidirectional rocker arm rotated, the displacement took place for the encoder connecting rod, and the encoder rocker arm can take place to rotate for the absolute value encoder of being connected with the encoder rocker arm detects the swing range of first bidirectional rocker arm, and then helps making the absolute value encoder detect the swing of steering column main part.

Preferably, the driving assembly is a linear motor, the linear motor is arranged on the bottom plate, and an output shaft of the linear motor is rotatably connected to the driving main arm.

By adopting the technical scheme, the linear motor provides driving force in the linear direction for the swinging of the main arm, so that the main arm rotates, the pulling rod is simultaneously moved, and the shaft sleeves are driven to rotate together to further drive the main arm of the steering column to swing left and right.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving assembly provides driving force for the driving rod main body, so that the driving rod main body can automatically swing left and right in the driving rod shell, and the problem that a driver is easy to fatigue during long-time driving is solved;

2. the driving assembly is a linear motor, and the linear motor is in transmission connection with the steering column main body, so that the linear motor can provide linear driving force for the steering column main body.

Drawings

Fig. 1 is a schematic structural view of a yaw structure of a steering column according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a visual sensation assembly of an embodiment of the present application.

Fig. 3 is a schematic structural diagram for showing a connection relationship between the centering assembly and the driving assembly according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of an encoder assembly according to an embodiment of the present application.

FIG. 5 is a side view of an encoder assembly of an embodiment of the present application.

Description of reference numerals: 1. a base plate; 11. a frame; 12. mounting a plate; 13. a mounting seat; 2. a steering column assembly; 21. a steering column housing; 22. a steering column fixing case; 23. a flange; 24. a steering column main body; 25. a shaft sleeve; 26. a first pin; 27. a pull rod; 28. a rod end oscillating bearing; 29. a first connection block; 31. a first screw; 32. a main arm; 33. a second pin; 34. a second connecting block; 35. a second screw; 36. fixing the connecting rod; 37. a limit pin; 4. a centering assembly; 41. a first bidirectional rocker arm; 42. a first brace plate; 43. a spring sleeve; 44. a second bidirectional rocker arm; 45. a second bracket plate; 5. an encoder assembly; 51. an absolute value encoder; 52. an encoder fixing plate; 53. an encoder rocker arm; 54. an encoder connecting rod; 6. a drive assembly; 61. a linear motor; 62. a fixed block; 63. a third bracket plate; 7. a damping assembly; 71. a damping connecting rod; 72. a rotary damper; 73. a damping lever; 74. and (5) plugging and screwing screws.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The steering column swinging structure comprises an encoder and a damper, wherein the encoder can convert angular displacement or linear displacement into an electric signal so as to detect the swinging amplitude of the steering column. The damper can provide motion resistance, and plays the effect of shock attenuation energy dissipation to the swing of steering column.

The embodiment of the application discloses the horizontal swinging structure of a steering column. Referring to fig. 1, the swing structure of the steering column includes a base plate 1, a steering column assembly 2 and a damping assembly 7 are disposed on the base plate 1, wherein the damping assembly 7 is disposed at the bottom of the steering column assembly 2, so that the damping assembly 7 applies a certain resistance to the steering column when the steering column swings left and right in the direction of the arrow shown in fig. 1. The lower surface of bottom plate 1 is provided with frame 11, and 11 bottoms of frame are provided with mounting panel 12, are provided with back well subassembly 4 in the frame 11, and the one side that just is located back well subassembly 4 in the frame 11 is provided with encoder subassembly 5, and encoder subassembly 5 is used for monitoring steering column wobbling position. The lower surface of the mounting plate 12 is provided with a driving assembly 6, and the driving assembly 6 is used for providing driving force for the left-right swinging of the steering column, so that the automatic swinging of the steering column is facilitated.

Referring to fig. 1, the steering column assembly 2 includes a steering column housing 21 and a steering column fixing shell 22 that are hollow, wherein the steering column fixing shell 22 is cylindrical and horizontally disposed on the bottom plate 1, two ends of the steering column fixing shell 22 are fixed on the bottom plate 1 through the mounting seat 13, the steering column housing 21 is located above the steering column fixing shell 22, and the steering column housing 21 is disposed along the vertical direction, the bottom end of the steering column housing 21 and the steering column fixing shell 22 are fixedly connected through a flange 23, so that the steering column housing 21 is fixed on the bottom plate 1.

Referring to fig. 2, a steering column main body 24 is arranged on the steering column housing 21 along a vertical direction, the bottom end of the steering column main body 24 is inserted into the steering column housing 21 and is provided with a shaft sleeve 25, the shaft sleeve 25 is arranged along a horizontal direction, a first pin 26 is arranged on the steering column fixing shell 22, the first pin 26 is arranged along a shaft axis direction of the shaft sleeve 25 and penetrates through the steering column fixing shell 22 and the shaft sleeve 25, and a gap is left between the steering column main body 24 and two side surfaces of the steering column housing 21 in a width direction, so that the steering column main body 24 can swing left and right in the steering column housing 21 by taking the shaft axis of the shaft sleeve 25 as a central line.

Referring to fig. 2, a pull rod 27 is disposed in the steering column housing 21, the pull rod 27 is disposed below the steering column main body 24 and is disposed in a vertical direction, and both ends of the pull rod 27 are provided with a rod end joint bearing 28. The side surface of axle sleeve 25 stretches out there are two first connecting blocks 29 that distribute along axle sleeve 25 axial lead direction, the rod end joint bearing 28 at pull rod 27 top is located between two first connecting blocks 29, be provided with first screw 31 along axle sleeve 25 axial lead direction on the first connecting block 29, first screw 31 runs through the rod end joint bearing 28 at two first connecting blocks 29 and pull rod 27 top, first connecting block 29 is located one side of steering column main part 24, make when pull rod 27 reciprocates, axle sleeve 25 takes place to rotate, and then realize steering column main part 24 and use the axial lead of axle sleeve 25 as the central line and swing.

Referring to fig. 2, a limit pin 37 is disposed on the steering column housing 21, and the limit pin 37 penetrates through the wall of the steering column housing 21 and is located below the pull rod 27, so that the limit pin 37 limits the pull rod 27. The bottom end of the pull rod 27 is provided with a main arm 32, and the main arm 32 is disposed in a vertical direction and passes through the two flanges 23, so that the top of the main arm 32 is located in the steering column housing 21 and the bottom of the main arm 32 is located in the steering column fixing housing 22. The second pin 33 is provided at the tip of the main arm 32, the second pin 33 is provided along the axial direction of the first screw 31, and both ends of the second pin 33 penetrate the steering column housing 21, so that the main arm 32 can rotate about the axial line of the second pin 33. The top end of the main arm 32 is provided with two second connecting blocks 34, the connecting rod joint bearing at the bottom end of the pull rod 27 is positioned between the two second connecting blocks 34, and the two second connecting blocks 34 are connected with the connecting rod joint shaft in a penetrating way through a second screw 35 arranged along the axial lead direction of the second pin 33, so that when the main arm 32 rotates, the second connecting blocks 34 pull the pull rod 27 to move up and down.

Referring to fig. 2, a fixed link 36 and a damping link 71 are rotatably connected to the bottom end of the main arm 32, the fixed link 36 and the damping link 71 are both located in the steering column fixing housing 22 and are both arranged along the axial direction of the steering column fixing housing 22, the fixed link 36 is located on one side of the main arm 32, and the damping link 71 is located on the other side of the main arm 32.

Referring to fig. 2, the damping assembly 7 includes a rotary damper 72 disposed on the base plate 1, a damping rod 73 is disposed at an output end of the rotary damper 72 in a vertical direction, a bottom end of the damping rod 73 is connected to the output end of the rotary damper 72, a top end of the damping rod 73 is rotatably connected to an end of the damping link 71 away from the main arm 32, so that the rotary damper 72 provides resistance to the rotation of the damper rod 73, the displacement of the movement of the damper link 71 is also resisted, the rotation of the main arm 32 is resisted, the drag link 27 connected to the main arm 32 is blocked in the up and down movement, the rotation of the boss 25 is also blocked, and the swing of the steering column main body 24 is blocked, it is achieved that the rotational damper 72 provides a damping effect for the swing of the steering column main body 24, thereby helping to avoid the damage caused by the collision of the steering column main body 24 with the steering column casing due to the excessive swinging force of the steering column main body 24.

Referring to fig. 2, one end of the fixed link 36, which is remote from the main arm 32, passes through the mount 13 and is provided with a first bidirectional rocker arm 41 disposed in a vertical direction. Referring to fig. 3, the first bidirectional swing arm 41 passes through the base plate 1, and the top end of the first bidirectional swing arm 41 is rotatably connected to the fixed link 36. The lower surface of the base plate 1 is provided with two first support plates 42, the two first support plates 42 are both arranged along the length direction of the connecting rod 36 and fixedly connected to the lower surface of the base plate 1, the two first support plates 42 are positioned at both sides of the first two-way rocker arm 41, and a driving screw 74 penetrates through the two first support plates 42 and the first two-way rocker arm 41, so that the first two-way rocker arm 41 is fixed on the base plate 1 and the first two-way rocker arm 41 can rotate by taking the driving screw 41 on the first support plate 42 as a central line.

Referring to fig. 3, the centering assembly 4 includes a spring sleeve 43 disposed along the length direction of the fixed link 36, one end of the spring sleeve 43 is rotatably connected to the bottom end of the first bidirectional rocker arm 41, the other end of the spring sleeve 43 is provided with a second bidirectional rocker arm 44, the second bidirectional rocker arm 44 is disposed in the vertical direction, and the top end of the second bidirectional rocker arm 44 is rotatably connected to the end of the spring sleeve 43 far away from the first bidirectional rocker arm 41 by a tucker screw 74. The upper surface of the mounting plate 12 is provided with two second bracket plates 45, the two second bracket plates 45 are both arranged along the length direction of the spring sleeve 43 and are respectively located at two sides of the second bidirectional rocker arm 44, and the two second bracket plates 45 and the second bidirectional rocker arm 44 are connected through the two second bracket plates 45 by the ramming screws 74, so that the second bidirectional rocker arm 44 is rotatably connected to the mounting plate 12.

Referring to fig. 3, the driving assembly 6 includes a linear motor 61, the linear motor 61 is disposed along the length direction of the spring sleeve 43, and the output end of the linear motor 61 is rotatably connected to the bottom end of the second bidirectional rocker arm 44. When the linear motor 61 is activated, the output of the linear motor 61 pushes the second bidirectional rocker arm 44, so that the second bidirectional rocker arm 44 rotates around the tuck screw 74 on the bidirectional rocker arm. One end of the linear motor 61, which is far away from the second bidirectional rocker arm 44, is provided with a fixed block 62, the lower surface of the mounting plate 12 is provided with two third bracket plates 63, the third bracket plates 63 are arranged along the length direction of the output shaft of the linear motor 61, the fixed block 62 is positioned between the two third bracket plates 63 and penetrates through the two third bracket plates 63 and the fixed block 62 by a ramming screw 74, so that the fixed block 62 is rotatably connected to the two third bracket plates 63, and further the linear motor 61 is rotatably connected to the lower surface of the mounting plate 12.

Referring to fig. 4, the encoder assembly 5 includes an absolute value encoder 51 disposed on the mounting plate 12, the absolute value encoder 51 being located on one side of the spring sleeve 43. The mounting plate 12 is provided with an encoder fixing plate 52, the encoder fixing plate 52 is L-shaped and is divided into a vertical plate and a horizontal plate, wherein the horizontal plate of the encoder fixing plate 52 is fixed on the mounting plate 12. Referring to fig. 5, the absolute value encoder 51 is located on a horizontal plate of the encoder fixing plate 52, and an input shaft of the absolute value encoder 51 passes through a vertical plate of the encoder fixing plate 52, so that the absolute value encoder 51 is fixed on the encoder fixing plate 52, and thus the absolute value encoder 51 is fixed on the mounting plate 12.

Referring to fig. 4, an encoder rocker arm 53 disposed in a vertical direction is connected to an input shaft of the absolute value encoder 51, a bottom end of the encoder rocker arm 53 is rotatably connected to the input shaft of the absolute value encoder 51, an encoder connecting rod 54 is disposed at a top end of the encoder rocker arm 53, the encoder connecting rod 54 is disposed along a length direction of the spring sleeve 43, and one end of the encoder connecting rod 54 is rotatably connected to a top end of the encoder rocker arm 53. A tucker screw 74 at the bottom end of the first bidirectional rocker arm 41 passes out of the bottom end of the first bidirectional rocker arm 41 and through an end of the encoder link 54 remote from the encoder rocker arm 53. When the first bidirectional rocker arm 41 rotates, the encoder link 54 is displaced, and the encoder rocker arm 53 rotates, so that the absolute value encoder 51 connected to the encoder rocker arm 53 detects the swing amplitude of the first bidirectional rocker arm 41, and the absolute value encoder 51 detects the swing of the steering column body 24.

The implementation principle of the left-right swinging structure of the steering column in the embodiment of the application is as follows: when the linear motor 61 drives the steering column main body 24 to swing, the linear motor 61 is started, the output end of the linear motor 61 drives the second bidirectional rocker arm 44 to swing, the spring sleeve 43 is driven to move, the first bidirectional rocker arm 41 is further driven to rotate, and the absolute value encoder 51 detects the swing amplitude of the first bidirectional rocker arm 41; the main arm 32 connected to the first bidirectional rocker arm 41 swings, so that the pull rod 27 connected to the main arm 32 moves up and down, the shaft sleeve 25 rotates to rotate, the steering column main body 24 swings left and right, the rotary damper 72 generates resistance to the swinging of the main arm 32, and meanwhile, the swinging of the steering column main body 24 is buffered, and the steering column main body 24 is prevented from being damaged due to the fact that the steering column main body 24 collides with the steering column shell 21 due to too large swinging force.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a horizontal hunting structure of steering column, includes bottom plate (1) and steering column main part (24), and wherein steering column main part (24) set up its characterized in that along vertical direction: a steering column shell (21) is arranged on the bottom plate (1), the steering column shell (21) is arranged in the vertical direction, and the steering column main body (24) is rotatably connected with the steering column shell (21); the driving assembly (6) is arranged on the bottom plate (1), and the driving assembly (6) is used for providing driving force for the left-right swinging of the steering column main body (24).

2. The structure of right and left swinging of a steering column according to claim 1, wherein: the bottom end of the steering column main body (24) is located in the steering column housing (21).

3. The structure of right and left swinging of a steering column according to claim 2, wherein: the bottom of steering column main part (24) is provided with axle sleeve (25), axle sleeve (25) set up along the horizontal direction, the inner ring of axle sleeve (25) is provided with first pin (26), the both ends of first pin (26) are passed steering column shell (21).

4. The structure of right and left swinging of a steering column according to claim 3, wherein: the surface of axle sleeve (25) stretches out and has first connecting block (29), it is connected with pull rod (27) to rotate on first connecting block (29), pull rod (27) set up along vertical direction, drive assembly (6) do the removal of pull rod (27) provides the ascending pulling force of vertical direction.

5. The structure of right and left swinging of a steering column according to claim 4, wherein: and a limit nail (37) is arranged in the steering column shell (21) and below the pull rod (27).

6. The structure of right and left swinging of a steering column according to claim 5, wherein: the bottom end of the pull rod (27) is rotatably connected with a main arm (32), a second pin (33) is arranged on the main arm (32), the second pin (33) is rotatably connected to the steering column shell (21), and the driving assembly (6) provides driving force for rotation of the main arm (32).

7. The structure of right and left swinging of a steering column according to claim 6, wherein: the steering column is characterized in that a rotary damper (72) is arranged on the bottom plate (1), a damping rod (73) is arranged at the output end of the rotary damper (72), the damping rod (73) is rotatably connected between the damping rod (73) and the main arm (32), and the rotary damper (72) is used for providing damping for the steering column main body (24) when the steering column main body (24) rotates.

8. The structure of right and left swinging of a steering column according to claim 7, wherein: a first bidirectional rocker arm (41) is rotatably connected to the bottom plate (1), and a fixed connecting rod (36) is rotatably connected between the first bidirectional rocker arm (41) and the main arm (32); bottom plate (1) below is provided with mounting panel (12), be provided with spring sleeve (43) on mounting panel (12), the one end of spring sleeve (43) is rotated and is connected on first bidirectional rocker arm (41), the other end of spring sleeve (43) with drive assembly (6) transmission is connected, spring sleeve (43) are used for making automatic the time of returning through manual swing steering column main part (24).

9. The structure of right and left swinging of a steering column according to claim 8, wherein: be provided with absolute value encoder (51) on mounting panel (12), the input of absolute value encoder (51) is rotated and is connected with encoder rocking arm (53), encoder rocking arm (53) with it is connected with encoder connecting rod (54) to rotate between first bidirectional rocker arm (41), absolute value encoder (51) are used for right the amplitude of oscillation of steering column main part (24) detects.

10. The structure of right and left swinging of a steering column according to claim 9, wherein: the driving assembly (6) is a linear motor (61), the linear motor (61) is arranged on the mounting plate (12), and an output shaft of the linear motor (61) is in transmission connection with one end, far away from the first bidirectional rocker arm (41), of the spring sleeve (43).

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