CN111232047A - A height and angle adjustable steering column - Google Patents

Abstract

The invention discloses a steering column with adjustable height and angle, which comprises a steering wheel, a sleeve assembly, a guide column assembly and a base assembly, wherein the sleeve assembly is arranged on the steering wheel; the guide post assembly comprises a guide post, a stroke limit plate and a guide post base; the stroke limiting plate is provided with a groove-shaped hole along the axial direction; the upper end of the sleeve assembly is coaxially connected with a central shaft of a steering wheel, the lower end of the sleeve assembly is movably sleeved on the upper part of the guide post assembly, the sleeve assembly can slide up and down on the upper part of the guide post along the axial direction, the locking handle assembly penetrates through a slot-shaped hole in the stroke limiting plate and can slide up and down along the slot-shaped hole, and the locking handle assembly can be locked to any position of the stroke limiting plate to realize that the sleeve assembly is locked to the guide post assembly, so that the height adjustment of the steering post is realized; the lower extreme of guide post assembly passes through the guide post base and articulates on the base assembly, and the guide post assembly can rotate for the base assembly around the articulated shaft, carries out the angle modulation of steering column.

Description

A height and angle adjustable steering column

technical field

The invention belongs to the technical field of engineering vehicles, in particular to a steering column with adjustable height and angle.

Background technique

The steering column of the construction vehicle is used for the steering of the vehicle. In order to meet the operating needs of drivers with different height and body characteristics, the height and angle of the steering column need to be easily adjustable.

The steering column and the steering sleeve are assembled into one body through the bearing and the steel wire retaining ring for the shaft to form a steering column assembly. An oblong slot-shaped hole is arranged on the steering column sleeve, a stroke limit screw is installed on the steering column guide sleeve, and its end moves in the oblong slot-shaped hole of the steering column sleeve, and the steering column guide sleeve The cylinder is installed in the steering column mounting support and can be rotated in the support. The steering column assembly is passed through and installed in the steering column guide sleeve and can be rotated. An adjustment fastening bolt is installed in the steering column guide sleeve. The adjustment handwheel is connected with the adjustment tightening bolt through the steering column guide sleeve.

The prior art has the following defects: in the above solution, the adjustment of the steering column angle is accompanied by a change in height. It is possible that the angle is adjusted to the appropriate position, but the height is not appropriate, so that the steering wheel cannot be adjusted to the appropriate position. In addition, during the angle adjustment process of the above solution, it is necessary to hold the steering wheel with one hand and the adjustment handwheel with the other hand, and the adjustment process is laborious.

SUMMARY OF THE INVENTION

Objective: In order to overcome the deficiencies in the prior art, the present invention provides a steering column with adjustable height and angle, which is suitable for engineering vehicles, and the height and angle of the steering column can be independently adjusted.

Technical scheme: in order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A steering column with adjustable height and angle, comprising a steering wheel, a sleeve assembly, a guide column assembly, and a base assembly;

The sleeve assembly includes a steering column sleeve and a locking handle assembly; the locking handle assembly is sleeved and fixed outside the lower end of the steering column sleeve;

The guide column assembly includes a guide column, a travel limit plate, and a guide column base; the guide column includes an upper part and a lower part that are connected to each other, the upper part and the lower part are coaxially arranged, and the diameter of the upper part is smaller than the diameter of the lower part; the lower end of the guide column is connected to the lower part. on the base of the guide column; the travel limit plate is arranged along the axial direction of the guide column, and the lower part of the travel limit plate is fixed at the lower part of the connecting guide column, and the travel limit plate is provided with a slot-shaped hole along the axial direction;

The upper end of the sleeve assembly is coaxially connected with the central axis of the steering wheel, the lower end of the sleeve assembly is movably sleeved on the upper part of the guide column assembly, and the sleeve assembly can slide up and down on the upper part of the guide column along the axial direction, The locking handle assembly passes through the slotted hole on the travel limit plate, can slide up and down along the grooved hole, and can be locked to any position of the travel limit plate by the locking handle to realize the locking of the sleeve assembly to the guide column assembly, so as to realize the height adjustment of the steering column;

The lower end of the guide column assembly is hinged on the base assembly through the guide column base, and the guide column assembly can rotate relative to the base assembly around the hinge shaft to adjust the angle of the steering column.

In some embodiments, the steering column with adjustable height and angle further includes a locking gas spring assembly, the upper end of the locking gas spring assembly is hinged with the middle of the guide column assembly, and the locking gas spring assembly The lower end is hinged on the base assembly through the locking gas spring base.

In some embodiments, for the steering column with adjustable height and angle, the locking gas spring assembly includes a locking gas spring, a locking gas spring base, a locking gas spring fixing nut; the locking gas spring is fixed The nut is fixed on the base of the locking gas spring, and the lower end of the locking gas spring is screwed and fixed on the fixing nut of the locking gas spring.

In some embodiments, the steering column further includes a foot pedal assembly, the foot pedal assembly includes a foot pedal bracket and a foot pedal, the foot pedal is fixedly connected to the foot pedal bracket, and the foot pedal The bracket is provided with mounting holes;

The base assembly is also connected with a pedal rotating shaft. After the pedal rotating shaft passes through the installation hole on the pedal assembly, the pedal assembly is limited by inserting a split pin, and the pedal rotating shaft is movably installed on the base assembly. into.

In some embodiments, the steering column further includes a spring, and the pedal assembly further includes an under-spring fixing seat, and the under-spring fixing seat is fixedly connected to the foot pedal bracket; the base assembly is further connected and provided with The upper spring fixing seat, the upper end of the spring is hung on the hole of the upper spring fixing seat, and the lower end is hung on the hole of the lower spring fixing seat of the pedal assembly.

In some embodiments, the steering column further includes a steel wire flexible shaft, the base assembly is further connected with a base steel flexible shaft fixing nut, and the pedal assembly further includes a pedal steel flexible shaft bracket, a pedal The wire flexible shaft bracket is fixedly connected to the foot pedal bracket;

A steel wire flexible shaft fixing nut for connecting the steel wire flexible shaft is arranged on the base of the locking gas spring; a guide column steel wire flexible shaft bracket is arranged at the lower part of the guide column;

The front end of the wire flexible shaft is fixed to the base wire flexible shaft fixing nut, and the wire is connected to the foot wire flexible shaft bracket; the middle part of the wire is passed through the guide column wire flexible shaft bracket, and the rear end of the wire flexible shaft is fixed to the steel wire flexible shaft fixing nut , the wire is connected to the locking connector of the locking gas spring.

In some embodiments, the base assembly includes a bottom plate, and the base assembly is provided with a guide column hinge seat for being hinged with the guide column assembly, and the guide column hinge seat includes a right side plate, a left side plate and a left side plate arranged in parallel. The side plate, the right side plate and the left side plate are provided with pin holes for the hinges to pass through at corresponding positions; the right side plate and the left side plate are respectively arranged perpendicular to the bottom plate, and the pin holes are along the right side plate and the left side plate. The plates are arranged in the thickness direction and parallel to the bottom plate.

In some embodiments, the base assembly is provided with an ear plate hinge seat for hinged connection with the locking gas spring assembly, and the ear plate hinge seat includes a left ear plate of the base, a right ear plate of the base; a left ear plate of the base , A corresponding position on the right ear plate of the base is provided with a pin hole for the hinge piece to pass through; the left ear plate of the base and the right ear plate of the base are respectively arranged perpendicular to the bottom plate, and the pin hole is along the left ear plate of the base and the right ear plate of the base It is arranged in the thickness direction and parallel to the bottom plate.

In some embodiments, the base assembly further includes a middle plate, a base wire flexible shaft bracket, and a support plate;

The spring upper fixing seat is fixedly connected to the inner upper part of the right side plate or the left side plate through the support plate; the base wire flexible shaft fixing nut is fixedly connected to the middle plate through the base wire flexible shaft bracket, and one end of the middle plate is connected to the left side plate. , the other end of the middle plate is connected to the right plate, and the pedal rotation shaft is fixedly connected to the inner lower part of the corresponding right plate or left plate.

In some embodiments, the steering column with adjustable height and angle further includes a universal joint, the upper end of the universal joint is connected with the guide column assembly, and the lower end passes through the base assembly for connection with the steering gear.

Beneficial effects: The steering column with adjustable height and angle provided by the present invention is suitable for engineering vehicles, the height and angle of the steering column can be adjusted independently, the operation is convenient, labor-saving, the structure is simple, the performance is reliable, the operation comfort is effectively improved, and the requirements of different heights are satisfied. and body type characteristics of drivers using demand. Has the following advantages:

1. The height adjustment and angle adjustment of the steering column can be carried out independently, so that the steering wheel can be adjusted at different angles at the same height, and the steering wheel can also be adjusted at different heights at the same angle, so as to meet the needs of drivers with different heights and body shapes;

2. The steering column can be adjusted in height by locking the handle assembly;

3. The steering column can adjust the angle by stepping on the pedals and holding the steering wheel by hand, using both hands and feet, the angle adjustment is convenient and labor-saving.

Description of drawings

1 and 2 are perspective views of the steering column of the embodiment;

3 is an exploded view of the steering column of the embodiment;

Figure 4 is an exploded view of the sleeve assembly of the embodiment;

5 is an exploded view of the guide column assembly of the embodiment;

6 is an exploded view of the locking gas spring assembly of the embodiment;

7 is an exploded view of the pedal assembly of the embodiment;

FIG. 8 is an exploded view of the base assembly of the embodiment.

In the picture: steering wheel 1, sleeve assembly 2, guide column assembly 3, locking gas spring assembly 4, universal joint 5, spring 6, base assembly 7, wire flexible shaft 8, pedal assembly 9;

Sleeve assembly 2: steering column sleeve 10 and locking handle assembly 11;

Guide column assembly 3: guide column 12, travel limit plate 13, guide column left ear plate 14, guide column right ear plate 15, gas spring mounting bolt assembly 16, guide column wire flexible shaft bracket 17, guide column base 18 ;

Locking gas spring assembly 4: locking gas spring 19, locking gas spring base 20, locking gas spring fixing nut 21, wire flexible shaft fixing nut 22;

Foot pedal assembly 9: foot pedal bracket 23, foot pedal 24, foot wire flexible shaft bracket 25, spring lower fixing seat 26;

Base assembly 7: bottom plate 27, right plate 28, right hollow pin 29, right bolt 30, right nut 31, left plate 32, left hollow pin 33, left bolt 34, left nut 35. Intermediate plate 36, base wire flexible shaft bracket 37, base wire flexible shaft fixing nut 38, support plate 39, spring upper fixing seat 40, pedal shaft 41, split pin 42, base left ear plate 43, base right ear plate 44. Gas spring installation bolt assembly 45.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may also include different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

As shown in Figures 1 to 3, the steering column includes a steering wheel 1, a sleeve assembly 2, a guide column assembly 3, a locking gas spring assembly 4, a universal joint 5, a spring 6, a base assembly 7, Wire flexible shaft 8, pedal assembly 9. The universal joint 5 is used to connect with the steering gear.

In some embodiments, as shown in FIGS. 3 and 4 , the sleeve assembly 2 includes a steering column sleeve 10 and a locking handle assembly 11 ; the locking handle assembly 11 is sleeved and fixed on the steering column sleeve 10 outside the lower end.

In some embodiments, as shown in FIGS. 3 and 5 , the guide column assembly 3 includes a guide column 12 , a travel limit plate 13 , a guide column left ear plate 14 , a guide column right ear plate 15 , and a gas spring installation. Bolt assembly 16, guide column wire flexible shaft bracket 17, guide column base 18; except for the gas spring installation bolt assembly 16, the rest of the components travel limit plate 13, guide column left ear plate 14, guide column right ear plate 15. The guide column wire flexible shaft supports 17 are welded to the guide column 12, and the top end of the guide column 12 is welded on the guide column base 18; the guide column 12 includes an upper part and a lower part that are connected to each other, and the upper part and the lower part are arranged coaxially, and The diameter of the upper part is smaller than the diameter of the lower part; the travel limit plate 13 is arranged along the axial direction of the guide column 12, and the lower part of the travel limit plate 13 is fixed at the lower part of the connecting guide column 12, and the lower end of the guide column 12 is connected to the guide column base 18; the guide column 12 The upper part is provided with a stepped structure, the travel limit plate 13 is provided with slot-shaped holes, and the guide column left ear plate 14, the guide column right ear plate 15, the guide column wire flexible shaft bracket 17, and the guide column base 18 are provided with round holes; The two ends of the gas spring mounting bolt assembly 16 are respectively penetrated on the round holes of the left ear plate 14 of the guide column and the right ear plate 15 of the guide column.

The sleeve assembly 2 is sleeved on the upper part of the step of the guide column assembly 3, and the sleeve assembly 2 can slide up and down outside the guide column assembly 3; the free end of the locking handle of the locking handle assembly 11 passes through The slot-shaped hole on the travel limit plate 13 can slide up and down along the slot-shaped hole, and can be locked to any position of the travel limit plate 13 by the locking handle, so that the sleeve assembly 2 can be locked to the guide column assembly 3, so as to realize the height adjustment of the steering column.

As shown in Figures 3 and 6, the locking gas spring assembly 4 includes a locking gas spring 19, a locking gas spring base 20, a locking gas spring fixing nut 21, and a wire flexible shaft fixing nut 22; The spring base 20 is provided with two round holes for hinged connection with the base assembly 7; the locking gas spring fixing nut 21 and the wire flexible shaft fixing nut 22 are welded to the locking gas spring base 20, and are respectively connected to the locking gas spring base 20. The centers of the two round holes on the gas spring base 20 are aligned; the upper end of the locking gas spring 19 has a through hole for hinged connection with the guide column assembly 3, and the lower end has a threaded structure, and the lower end of the locking gas spring is connected with the locking gas The spring fixing nut 21 is threadedly connected, and is assembled with the locking gas spring base 20 through the locking gas spring fixing nut 21, and the lower end of the locking gas spring assembly 4 is hinged on the base assembly 7 through the locking gas spring base 20; The upper end of the gas stop spring 19 is hinged to the lower part of the guide column 12 of the guide column assembly 3 through the gas spring mounting bolt assembly 16 .

As shown in FIG. 3 and FIG. 7 , the pedal assembly 9 includes a pedal bracket 23, a pedal 24, a pedal wire flexible shaft bracket 25, a lower spring fixing seat 26, a pedal 24, a pedal wire The flexible shaft bracket 25 and the lower spring fixing seat 26 are welded to the pedal bracket 23; the rear part of the pedal bracket 23 is provided with a mounting hole for connecting with the pedal rotation shaft 41, and the rear lower part is provided with a leg; the pedal wire The flexible shaft bracket 25 is used to install the steel wire flexible shaft 8 , and the under-spring fixing seat 26 is provided with a round hole for installing the spring 6 .

As shown in FIGS. 3 and 8 , the base assembly 7 includes a bottom plate 27 , a right side plate 28 , a right hollow pin 29 , a right bolt 30 , a right nut 31 , a left plate 32 , and a left hollow pin Axle 33, left bolt 34, left nut 35, middle plate 36, base wire flexible shaft bracket 37, base wire flexible shaft fixing nut 38, support plate 39, spring fixed seat 40, pedal shaft 41, cotter pin 42 , base left lug plate 43, base right lug plate 44, gas spring mounting bolt assembly 45; bottom plate 27, right plate 28, left plate 32, base wire flexible shaft bracket 37, spring upper fixing seat 40, pedal shaft 41. The left lug plate 43 of the base and the right lug plate 44 of the base are provided with round holes; the right hollow pin 29 and the left hollow pin 33 are provided with steps outside, and the inside is hollow, the right bolt 30, the left bolt 34 can be passed through separately;

The guide column base 18 of the guide column assembly 3 and the base assembly 7 pass through the right hollow pin 29, the right bolt 30, the right nut 31, the left hollow pin 33, the left bolt 34, and the left nut. 35 are assembled together to realize that the guide column assembly 3 is hinged on the base assembly 7, and the guide column assembly 3 can rotate around the central axis of the right hollow pin shaft 29 and the left hollow pin shaft 33;

The upper end of the locking gas spring 19 is connected with the left ear plate 14 of the guide column and the right ear plate 15 of the guide column through the gas spring mounting bolt assembly 16, so that the upper end of the locking gas spring 19 is hinged to the guide column assembly 3;

The locking gas spring base 20 of the locking gas spring assembly 4 is connected with the base left ear plate 43 and the base right ear plate 44 through the gas spring mounting bolt assembly 45, so as to realize the locking gas spring assembly 4 and the base assembly 7 connection;

The pedal rotation shaft 41 passes through the circular hole on the pedal assembly 9, and the split pin 42 passes through the circular hole on the pedal rotation shaft 41 to limit the pedal assembly 9, and the pedal rotation shaft 41 is movably installed on the base Assembly 7;

The upper end of the spring 6 is hung on the round hole of the upper spring fixing seat 40, and the lower end is hung on the round hole of the lower spring fixing seat 26 of the pedal assembly 9;

The front end of the wire flexible shaft 8 is fixed to the base wire flexible shaft fixing nut 38, and the steel wire is connected to the foot wire flexible shaft bracket 25; the rear end of the wire flexible shaft 8 is fixed to the wire flexible shaft fixing nut 22, and the steel wire is connected onto the locking connector of the locking gas spring 19 .

The foot pedal assembly 9 is in a suspended state under the pulling force of the spring 6, the legs of the foot pedal bracket 23 are separated from the bottom plate 27, the wire flexible shaft 8 is in a relaxed state, and the locking joint of the locking gas spring 19 is not pulled, The locking gas spring 19 is in a locked state, the length cannot be adjusted, the steering wheel 1 is fixed at a certain angle; the foot pedal assembly 9 drives the wire flexible shaft 8, and the wire flexible shaft 8 pulls the locking joint of the locking gas spring 19 , the locking gas spring 19 is in a free state, adjust the steering wheel 1 to a certain position by hand, release the foot pedal assembly 9, the wire flexible shaft 8 returns to the relaxed state, and the locking gas spring 19 returns to the locked state state, to achieve steering wheel 1 angle adjustment.

In the description of this application, it should be understood that the terms "center", "portrait", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or obscuring It means that the referred device or element must have a specific orientation, be constructed and operate for a specific orientation, and therefore cannot be understood as a limitation on the protection content of the present invention.

The above is only the preferred embodiment of the present invention, it should be pointed out that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made, and these improvements and modifications are also It should be regarded as the protection scope of the present invention.

Claims (10)

1. A steering column with adjustable height and angle, characterized by comprising a steering wheel (1), a sleeve assembly (2), a guide column assembly (3), and a base assembly (7); The sleeve assembly (2) includes a steering column sleeve (10) and a locking handle assembly (11); the locking handle assembly (11) is sleeved and fixed outside the lower end of the steering column sleeve (10); The guide column assembly (3) includes a guide column (12), a travel limit plate (13), and a guide column base (18); the guide column (12) includes an upper part and a lower part that are connected to each other, and the upper part and the lower part are the same. The shaft is arranged, and the upper diameter is smaller than the lower diameter; the lower end of the guide column (12) is connected to the guide column base (18); the travel limit plate (13) is arranged along the axial direction of the guide column (12), and the travel limit plate ( The lower part of 13) is fixed on the lower part of the connecting guide column (12), and the travel limit plate (13) is provided with a slot-shaped hole along the axial direction; The upper end of the sleeve assembly (2) is coaxially connected with the central axis of the steering wheel (1), and the lower end of the sleeve assembly (2) is movably sleeved on the upper part of the guide column assembly (3). (2) It can slide up and down on the upper part of the guide column (12) in the axial direction, and the locking handle assembly (11) is passed through the groove-shaped hole on the stroke limit plate (13), and can slide up and down along the groove-shaped hole, And the locking handle can be locked to any position of the travel limit plate (13) to realize the locking of the sleeve assembly (2) to the guide column assembly (3), thereby realizing the height adjustment of the steering column; The lower end of the guide column assembly (3) is hinged on the base assembly (7) through the guide column base (18), and the guide column assembly (3) can rotate relative to the base assembly (7) around the hinge shaft to perform steering Column angle adjustment. 2 . The steering column with adjustable height and angle according to claim 1 , further comprising a locking gas spring assembly ( 4 ), the upper end of the locking gas spring assembly ( 4 ) being assembled with the guide column. 3 . The middle part of (3) is hinged, and the lower end of the locking gas spring assembly (4) is hinged on the base assembly (7) through the locking gas spring base (20). 3. The steering column with adjustable height and angle according to claim 2, characterized in that the locking gas spring assembly (4) comprises a locking gas spring (19), a locking gas spring base (20) , Lock the gas spring fixing nut (21); the locking gas spring fixing nut (21) is fixed on the locking gas spring base (20), and the lower end of the locking gas spring (19) is screwed and fixed on the locking gas spring fixing nut (21) on. 4. The steering column with adjustable height and angle according to claim 2 or 3, characterized in that, the steering column further comprises a footrest assembly (9), and the footrest assembly (9) comprises a footrest a pedal bracket (23) and a foot pedal (24), the pedal (24) is fixedly connected to the pedal bracket (23), and the pedal bracket (23) is provided with a mounting hole; The base assembly (7) is also connected with a pedal rotation shaft (41), and after the pedal rotation shaft (41) passes through the installation hole on the pedal assembly (9), a split pin (42) is inserted into the footrest Limit the pedal assembly (9), and movably install the pedal shaft (41) on the base assembly (7). 5. The steering column with adjustable height and angle according to claim 4, characterized in that, the steering column further comprises a spring (6), and the footrest assembly (9) further comprises a fixed seat (26) under the spring ), the lower spring fixing seat (26) is fixedly connected to the foot pedal bracket (23); the base assembly (7) is also connected with a spring upper fixing seat (40), and the upper end of the spring (6) hangs to the hole of the upper spring mounting seat (40), and the lower end of which is hooked to the hole of the lower spring mounting seat (26) of the pedal assembly (9). 6 . The steering column with adjustable height and angle according to claim 4 , wherein the steering column further comprises a flexible wire shaft ( 8 ), and the base assembly ( 7 ) is also connected with a base steel wire. 7 . a flexible shaft fixing nut (38), the pedal assembly (9) further includes a pedal wire flexible shaft bracket (25), and the pedal wire flexible shaft bracket (25) is fixedly connected to the pedal bracket (23); The locking gas spring base (20) is provided with a steel wire flexible shaft fixing nut (22) for connecting the steel wire flexible shaft (8); ; The front end of the wire flexible shaft (8) is fixed to the base wire flexible shaft fixing nut (38), the wire is connected to the foot wire flexible shaft bracket (25); The rear end of the wire flexible shaft (8) is fixed to the fixing nut (22) of the wire flexible shaft, and the wire is connected to the locking joint of the locking gas spring (19). 7. The steering column with adjustable height and angle according to claim 5 or 6, characterized in that the base assembly (7) comprises a bottom plate (27), and the base assembly (7) is provided with a A guide column hinge seat hinged with the guide column assembly (3), the guide column hinge seat includes a right side plate (28), a left side plate (32), a right side plate (28), a left side plate ( 32) A pin hole for the hinge piece to pass through is provided at the corresponding position; the right side plate (28) and the left side plate (32) are respectively arranged perpendicular to the bottom plate (27), and the pin hole is along the right side plate (28) ), the left side plate (32) is arranged in the thickness direction, and is parallel to the bottom plate (27). 8 . The steering column with adjustable height and angle according to claim 7 , wherein the base assembly ( 7 ) is provided with an ear plate hinge seat for hinged connection with the locking gas spring assembly ( 4 ). 9 . , the ear plate hinge seat includes a base left ear plate (43) and a base right ear plate (44); the base left ear plate (43) and the base right ear plate (44) are provided with corresponding positions for the hinges to pass through. The pin hole; the base left ear plate (43) and the base right ear plate (44) are respectively perpendicular to the bottom plate (27), and the pin hole is along the thickness of the base left ear plate (43) and the base right ear plate (44) The direction is arranged and parallel to the bottom plate (27). 9 . The steering column with adjustable height and angle according to claim 8 , wherein the base assembly ( 7 ) further comprises an intermediate plate ( 36 ), a base wire flexible shaft bracket ( 37 ), a support plate ( 9 . 39); The spring upper fixing seat (40) is fixedly connected to the inner upper part of the right side plate (28) or the left side plate (32) through the support plate (39); the base wire flexible shaft fixing nut (38) passes through the base wire flexible shaft bracket ( 37) Fixedly connected to the middle plate (36), one end of the middle plate (36) is connected to the left side plate (32), the other end of the middle plate (36) is connected to the right side plate (28), and the pedal shaft (41) ) is fixedly connected to the lower inner side of the corresponding right side plate (28) or left side plate (32). 10. The steering column with adjustable height and angle according to claim 1, characterized in that it further comprises a universal joint (5), the upper end of the universal joint (5) is connected with the guide column assembly (3), The lower end passes through the base assembly (7) for connection with the steering gear.

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