A height and angle adjustable steering column

Abstract

The invention discloses a steering column with adjustable height and angle, comprising a steering wheel, a sleeve assembly, a guide column assembly and a base assembly; the guide column assembly comprises a guide column, a travel limit plate and a guide column base; the travel limit plate is provided with a slotted hole along the axial direction; the upper end of the sleeve assembly is coaxially connected to 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, the sleeve assembly can slide up and down on the upper part of the guide column along the axial direction, the locking handle assembly is penetrated through the slotted hole on the travel limit plate, can slide up and down along the slotted hole, and can be locked to any position of the travel limit plate by the locking handle, so that the sleeve assembly is locked to the guide column assembly, thereby realizing the height adjustment of the steering column; the lower end of the guide column assembly is hinged to the base assembly through the guide column base, and the guide column assembly can rotate relative to the base assembly around the hinge axis to adjust the angle of the steering column.

Description

Technical Field

[0001] The invention belongs to the technical field of engineering vehicles, and in particular relates to a steering column with adjustable height and angle. Background Art

[0002] The steering column of an engineering vehicle is used for steering the vehicle. In order to meet the operating needs of drivers of different heights and body shapes, the height and angle of the steering column need to be easily adjusted.

[0003] The steering column and the steering sleeve are assembled into one body through bearings and shaft wire retaining rings to form a steering column assembly. An oblong slotted hole is provided on the steering column sleeve, and a travel limit screw is installed on the steering column guide sleeve, and its end moves in the oblong slotted hole of the steering column sleeve. The steering column guide sleeve is installed in the steering column mounting support and can rotate in the support. The steering column assembly passes through and is installed in the steering column guide sleeve and can rotate. An adjustment fastening bolt is installed in the steering column guide sleeve, and the adjusting hand wheel passes through the steering column guide sleeve and is connected to the adjustment fastening bolt.

[0004] The prior art has the following defects: In the above scheme, the steering column angle is adjusted along with the height change. It is possible that the angle is adjusted to a suitable position, but the height is not suitable, resulting in the steering wheel being unable to be adjusted to a suitable position. In addition, during the angle adjustment process of the above scheme, one hand needs to hold the steering wheel and the other hand to hold the adjustment hand wheel, which makes the adjustment process laborious. Summary of the invention

[0005] Purpose: 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 adjusted independently.

[0006] Technical solution: To solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A height- and angle-adjustable steering column comprises a steering wheel, a sleeve assembly, a guide column assembly, and a base assembly;

[0008] 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;

[0009] The guide column assembly includes a guide column, a travel limit plate, and a guide column base; the guide column includes an upper portion and a lower portion connected to each other, the upper portion and the lower portion are coaxially arranged, and the diameter of the upper portion is smaller than the diameter of the lower portion; the lower end of the guide column is connected to the guide column base; the travel limit plate is arranged along the axial direction of the guide column, and the lower portion of the travel limit plate is fixed to the lower portion of the guide column, and the travel limit plate is provided with a slotted hole along the axial direction;

[0010] The upper end of the sleeve assembly is coaxially connected to the central axis of the steering wheel, and the lower end of the sleeve assembly is movably sleeved on the upper part of the guide column assembly. 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 and can slide up and down along the slotted hole. The locking handle can be locked to any position of the travel limit plate to realize locking of the sleeve assembly to the guide column assembly, thereby realizing height adjustment of the steering column.

[0011] The lower end of the guide column assembly is hinged on the base assembly through the guide column base. The guide column assembly can rotate relative to the base assembly around the hinge axis to adjust the angle of the steering column.

[0012] In some embodiments, the height and angle adjustable steering column further includes a locking gas spring assembly, the upper end of the locking gas spring assembly is hinged to the middle of the guide column assembly, and the lower end of the locking gas spring assembly is hinged to the base assembly through the locking gas spring base.

[0013] In some embodiments, the height and angle adjustable steering column, the locking gas spring assembly includes a locking gas spring, a locking gas spring base, and a locking gas spring fixing nut; the locking gas spring fixing nut is fixed on the locking gas spring base, and the lower end of the locking gas spring is threadedly connected and fixed on the locking gas spring fixing nut.

[0014] In some embodiments, the steering column further comprises a pedal assembly, the pedal assembly comprises a pedal bracket and a pedal, the pedal is fixedly connected to the pedal bracket, and a mounting hole is provided on the pedal bracket;

[0015] The base assembly is also connected with a pedal shaft. After the pedal shaft passes through the mounting hole on the pedal assembly, the pedal assembly is limited by inserting a split pin, and the pedal shaft is movably mounted on the base assembly.

[0016] In some embodiments, the steering column also includes a spring, and the pedal assembly also includes a spring lower fixing seat, which is fixedly connected to the pedal bracket; the base assembly is also connected to a spring upper fixing seat, and the upper end of the spring is hung on the hole of the spring upper fixing seat, and the lower end is hung on the hole of the spring lower fixing seat of the pedal assembly.

[0017] In some embodiments, the steering column further includes a steel wire flexible shaft, the base assembly is further connected with a base steel wire flexible shaft fixing nut, the pedal assembly further includes a pedal steel wire flexible shaft bracket, and the pedal steel wire flexible shaft bracket is fixedly connected to the pedal bracket;

[0018] The locking gas spring base is provided with a steel wire flexible shaft fixing nut for connecting the steel wire flexible shaft; the lower part of the guide column is provided with a guide column steel wire flexible shaft bracket;

[0019] The front end of the steel wire flexible shaft is fixed to the steel wire flexible shaft fixing nut of the base, and the steel wire is connected to the pedal steel wire flexible shaft bracket; the middle part of the steel wire is passed through the guide column steel wire flexible shaft bracket, the rear end of the steel wire flexible shaft is fixed to the steel wire flexible shaft fixing nut, and the steel wire is connected to the locking joint of the locking gas spring.

[0020] In some embodiments, the base assembly includes a bottom plate, and a guide column hinge seat for hinged connection with the guide column assembly is provided on the base assembly, and the guide column hinge seat includes a right side plate and a left side plate arranged in parallel, and pin holes for the hinge to pass through are arranged at corresponding positions on the right side plate and the left side plate; the right side plate and the left side plate are respectively arranged perpendicular to the bottom plate, and the pin holes are arranged along the thickness direction of the right side plate and the left side plate, and are arranged parallel to the bottom plate.

[0021] 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 base left ear plate and a base right ear plate; pin holes for the hinge to pass through are provided at corresponding positions on the base left ear plate and the base right ear plate; the base left ear plate and the base right ear plate are respectively arranged perpendicular to the bottom plate, and the pin holes are arranged along the thickness direction of the base left ear plate and the base right ear plate, and are arranged parallel to the bottom plate.

[0022] In some embodiments, the base assembly further includes an intermediate plate, a base steel wire flexible shaft bracket, and a support plate;

[0023] The spring upper fixing seat is fixedly connected to the upper inner side of the right plate or the left plate through a support plate; the base wire flexible shaft fixing nut is fixedly connected to the middle plate through a base wire flexible shaft bracket, one end of the middle plate is connected to the left plate, and the other end of the middle plate is connected to the right plate, and the pedal shaft is fixedly connected to the lower inner side of the corresponding right plate or the left plate.

[0024] In some embodiments, the height- and angle-adjustable steering column further includes a universal joint, wherein the upper end of the universal joint is connected to the guide column assembly, and the lower end of the universal joint passes through the base assembly for connection with the steering gear.

[0025] Beneficial effects: The height and angle adjustable steering column provided by the present invention is suitable for engineering vehicles. The height and angle of the steering column can be adjusted independently, which is convenient and labor-saving to operate. It has a simple structure and reliable performance, effectively improves the operating comfort, and meets the use needs of drivers with different heights and body shapes. It has the following advantages:

[0026] 1. The height adjustment and angle adjustment of the steering column can be performed independently, so that the steering wheel can be adjusted to different angles at the same height, and the steering wheel can be adjusted to different heights at the same angle, thus meeting the needs of drivers of different heights and body shapes;

[0027] 2. The steering column can be adjusted in height by locking the handle assembly;

[0028] 3. The steering column can be adjusted in angle by stepping on the pedals and holding the steering wheel with hands. Using both hands and feet, the angle adjustment is convenient and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 and Figure 2 A perspective view of a steering column of an embodiment;

[0030] Figure 3 An exploded view of a steering column of an embodiment;

[0031] Figure 4 It is an exploded diagram of the overall components of the sleeve of the embodiment;

[0032] Figure 5 It is the overall component analysis diagram of the guide column of the embodiment;

[0033] Figure 6 It is an exploded view of the locking gas spring of the embodiment;

[0034] Figure 7 It is a schematic diagram of the overall components of the pedal of the embodiment;

[0035] Figure 8 This is an overall exploded view of the base of the embodiment.

[0036] In the figure: steering wheel 1, sleeve assembly 2, guide column assembly 3, locking gas spring assembly 4, universal joint 5, spring 6, base assembly 7, steel wire flexible shaft 8, pedal assembly 9;

[0037] Sleeve assembly 2: steering column sleeve 10 and locking handle assembly 11;

[0038] 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 steel wire flexible shaft bracket 17, guide column base 18;

[0039] Locking gas spring assembly 4: locking gas spring 19, locking gas spring base 20, locking gas spring fixing nut 21, steel wire flexible shaft fixing nut 22;

[0040] Pedal assembly 9: pedal bracket 23, pedal 24, pedal steel wire flexible shaft bracket 25, spring lower fixing seat 26;

[0041] Base assembly 7: bottom plate 27, right side plate 28, right side hollow pin shaft 29, right side bolt 30, right side nut 31, left side plate 32, left side hollow pin shaft 33, left side bolt 34, left side nut 35, middle plate 36, base steel wire flexible shaft bracket 37, base steel wire flexible shaft fixing nut 38, support plate 39, spring upper fixing seat 40, pedal shaft 41, cotter pin 42, base left ear plate 43, base right ear plate 44, gas spring mounting bolt assembly 45. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may also include different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0044] like Figures 1 to 3 As shown, 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, a steel wire flexible shaft 8, and a pedal assembly 9. The universal joint 5 is used to connect with the steering gear.

[0045] In some embodiments, Figure 3 , Figure 4 As shown, 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 .

[0046] In some embodiments, Figure 3 , Figure 5As shown, 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, a gas spring mounting bolt assembly 16, a guide column steel wire flexible shaft bracket 17, and a guide column base 18; except for the gas spring mounting bolt assembly 16, the remaining parts, the travel limit plate 13, the guide column left ear plate 14, the guide column right ear plate 15, and the guide column steel wire flexible shaft bracket 17 are all welded to the guide column 12, and the top of the guide column 12 is welded to the guide column base 18; the guide column 12 includes an upper part and a lower part connected to each other, and the upper and lower parts are connected to each other. The guide column 12 is provided with an axis, and the upper diameter is smaller than the lower diameter; 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 to the lower part of the guide column 12, and the lower end of the guide column 12 is connected to the guide column base 18; a step structure is provided on the upper part of the guide column 12, a slotted hole is provided on the travel limit plate 13, and round holes are provided on the left ear plate 14 of the guide column, the right ear plate 15 of the guide column, the guide column wire flexible shaft bracket 17, and the guide column base 18; the two ends of the gas spring mounting bolt assembly 16 are respectively penetrated through the round holes of the left ear plate 14 of the guide column and the right ear plate 15 of the guide column.

[0047] 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 slotted hole on the travel limit plate 13, can slide up and down along the slotted hole, and can be locked to any position of the travel limit plate 13 by the locking handle, so that the sleeve assembly 2 is locked to the guide column assembly 3, thereby realizing the height adjustment of the steering column.

[0048] like Figure 3 , Figure 6 As shown, 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 steel wire flexible shaft fixing nut 22; the locking gas spring base 20 is provided with two circular holes for being hinged with the base assembly 7; the locking gas spring fixing nut 21 and the steel wire flexible shaft fixing nut 22 are welded to the locking gas spring base 20, and are respectively aligned with the centers of the two circular holes on the locking gas spring base 20; the upper end of the locking gas spring 19 is provided with a through hole for being hinged with the guide column assembly 3, and the lower end is provided with a threaded structure, the lower end of the locking gas spring is threadedly connected with the locking gas spring fixing nut 21, 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 to the base assembly 7 through the locking gas spring base 20; the upper end of the locking gas 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.

[0049] like Figure 3 , Figure 7As shown, the pedal assembly 9 includes a pedal bracket 23, a foot pedal 24, a pedal steel wire flexible shaft bracket 25, and a spring lower fixing seat 26. The foot pedal 24, the pedal steel wire flexible shaft bracket 25, and the spring lower fixing seat 26 are all welded to the pedal bracket 23; the pedal bracket 23 is provided with a mounting hole for connecting with the pedal shaft 41 at the rear portion, and a support leg is provided at the rear lower portion; the pedal steel wire flexible shaft bracket 25 is used to install the steel wire flexible shaft 8, and the spring lower fixing seat 26 is provided with a round hole for installing the spring 6.

[0050] like Figure 3 , Figure 8 As shown, the base assembly 7 includes a bottom plate 27, a right side plate 28, a right side hollow pin shaft 29, a right side bolt 30, a right side nut 31, a left side plate 32, a left side hollow pin shaft 33, a left side bolt 34, a left side nut 35, an intermediate plate 36, a base steel wire flexible shaft bracket 37, a base steel wire flexible shaft fixing nut 38, a support plate 39, a spring upper fixing seat 40, a pedal shaft 41, a cotter pin 42, a base left ear plate 43, a base right ear plate 44, and a gas spring mounting bolt assembly 45; the bottom plate 27, the right side plate 28, the left side plate 32, the base steel wire flexible shaft bracket 37, the spring upper fixing seat 40, the pedal shaft 41, the base left ear plate 43, and the base right ear plate 44 are all provided with round holes; the right side hollow pin shaft 29 and the left side hollow pin shaft 33 are provided with steps on the outside and are hollow inside, and the right side bolt 30 and the left side bolt 34 can pass through them respectively;

[0051] The guide column base 18 of the guide column assembly 3 is assembled with the base assembly 7 through the right hollow pin shaft 29, the right bolt 30, the right nut 31, the left hollow pin shaft 33, the left bolt 34, and the left nut 35, so 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;

[0052] The upper end of the locking gas spring 19 is connected to 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;

[0053] The locking gas spring base 20 of the locking gas spring assembly 4 is connected to 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 connection between the locking gas spring assembly 4 and the base assembly 7;

[0054] The pedal shaft 41 passes through the round hole on the pedal assembly 9, and the split pin 42 passes through the round hole on the pedal shaft 41 to limit the pedal assembly 9, so that the pedal shaft 41 is movably mounted on the base assembly 7;

[0055] The upper end of the spring 6 is hung on the circular hole of the spring upper fixing seat 40, and the lower end is hung on the circular hole of the spring lower fixing seat 26 of the pedal assembly 9;

[0056] The front end of the steel wire flexible shaft 8 is fixed to the base steel wire flexible shaft fixing nut 38, and the steel wire is connected to the pedal steel wire flexible shaft bracket 25; the rear end of the steel wire flexible shaft 8 is fixed to the steel wire flexible shaft fixing nut 22, and the steel wire is connected to the locking joint of the locking gas spring 19.

[0057] The pedal assembly 9 is in a suspended state under the pulling force of the spring 6, the legs of the pedal bracket 23 are detached from the base plate 27, the steel wire flexible shaft 8 is in a relaxed state, 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, and the steering wheel 1 is fixed at a certain angle; the pedal assembly 9 is stepped on to drive the steel wire flexible shaft 8, the steel wire flexible shaft 8 pulls the locking joint of the locking gas spring 19, the locking gas spring 19 is in a free state, the steering wheel 1 is adjusted to a certain position by hand, the pedal assembly 9 is released by the foot, the steel wire flexible shaft 8 returns to a relaxed state, and the locking gas spring 19 returns to a locked state, thereby realizing the angle adjustment of the steering wheel 1.

[0058] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection content of the present invention.

[0059] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A steering column with adjustable height and angle, characterized in that: It comprises a steering wheel (1), a sleeve assembly (2), a guide column assembly (3), and a base assembly (7); The sleeve assembly (2) comprises 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) comprises a guide column (12), a travel limit plate (13), and a guide column base (18); the guide column (12) comprises an upper portion and a lower portion connected to each other, the upper portion and the lower portion are coaxially arranged, and the diameter of the upper portion is smaller than the diameter of the lower portion; 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 lower portion of the travel limit plate (13) is fixed to the lower portion of the guide column (12), and the travel limit plate (13) is provided with a slotted hole along the axial direction; the sleeve assembly (2 ) is coaxially connected to the central axis of the steering wheel (1); the lower end of the sleeve assembly (2) is movably sleeved on the upper part of the guide column assembly (3); the sleeve assembly (2) can slide up and down on the upper part of the guide column (12) along the axial direction; the locking handle assembly (11) is inserted into a slotted hole on the travel limit plate (13) and can slide up and down along the slotted hole and can be locked to any position of the travel limit plate (13) by the locking handle, so that the sleeve assembly (2) is locked 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 to the base assembly (7) through the guide column base (18); the guide column assembly (3) can rotate relative to the base assembly (7) around the hinge axis to adjust the angle of the steering column; It also includes a locking gas spring assembly (4), wherein the upper end of the locking gas spring assembly (4) is hinged to the middle part of the guide column assembly (3), and the lower end of the locking gas spring assembly (4) is hinged to the base assembly (7) through a locking gas spring base (20); the locking gas spring assembly (4) includes a locking gas spring (19), a locking gas spring base (20), and a locking gas spring fixing nut (21); the locking gas spring fixing nut (21) is fixed to the locking gas spring base (20), and the lower end of the locking gas spring (19) is threadedly connected and fixed to the locking gas spring fixing nut (21); The steering column further comprises a pedal assembly (9), wherein the pedal assembly (9) comprises a pedal bracket (23) and a foot pedal (24), wherein the foot pedal (24) is fixedly connected to the pedal bracket (23); The steering column further comprises a steel wire flexible shaft (8), the base assembly (7) is further connected with a base steel wire flexible shaft fixing nut (38), the pedal assembly (9) further comprises a pedal steel wire flexible shaft bracket (25), the pedal steel 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 lower part of the guide column (12) is provided with a guide column steel wire flexible shaft bracket (17); the front end of the steel wire flexible shaft (8) is fixed to the base steel wire flexible shaft fixing nut (38), and the steel wire is connected to the pedal steel wire flexible shaft bracket (25); the middle part of the steel wire is inserted into the guide column steel wire flexible shaft bracket (17), the rear end of the steel wire flexible shaft (8) is fixed to the steel wire flexible shaft fixing nut (22), and the steel wire is connected to the locking joint of the locking gas spring (19).

2. The height and angle adjustable steering column according to claim 1, characterized in that: The foot pedal bracket (23) is provided with a mounting hole; The base assembly (7) is also connected to a pedal shaft (41). After the pedal shaft (41) passes through the mounting hole on the pedal assembly (9), the pedal assembly (9) is limited by inserting a split pin (42), and the pedal shaft (41) is movably mounted on the base assembly (7).

3. The height and angle adjustable steering column according to claim 2, characterized in that: The steering column further comprises a spring (6), and the pedal assembly (9) further comprises a spring lower fixing seat (26), the spring lower fixing seat (26) being fixedly connected to the pedal bracket (23); the base assembly (7) is further connected to a spring upper fixing seat (40), the upper end of the spring (6) being hung on a hole of the spring upper fixing seat (40), and the lower end being hung on a hole of the spring lower fixing seat (26) of the pedal assembly (9).

4. The height and angle adjustable steering column according to claim 3, characterized in that: The base assembly (7) comprises a bottom plate (27), the base assembly (7) being provided with a guide column hinge seat for being hinged to the guide column assembly (3), the guide column hinge seat comprising a right side plate (28) and a left side plate (32) arranged in parallel, pin holes for the hinge to pass through being arranged at corresponding positions on the right side plate (28) and the left side plate (32); the right side plate (28) and the left side plate (32) are respectively arranged perpendicular to the bottom plate (27), the pin holes are arranged along the thickness direction of the right side plate (28) and the left side plate (32), and are arranged parallel to the bottom plate (27).

5. The height and angle adjustable steering column according to claim 4, characterized in that: The base assembly (7) is provided with an ear plate hinge seat for hinged connection with the locking gas spring assembly (4), and the ear plate hinge seat comprises a base left ear plate (43) and a base right ear plate (44); pin holes for the hinge member to pass through are provided at corresponding positions on the base left ear plate (43) and the base right ear plate (44); the base left ear plate (43) and the base right ear plate (44) are respectively arranged perpendicular to the bottom plate (27), and the pin holes are arranged along the thickness direction of the base left ear plate (43) and the base right ear plate (44), and are arranged parallel to the bottom plate (27).

6. The height and angle adjustable steering column according to claim 5, characterized in that: The base assembly (7) further comprises an intermediate plate (36), a base steel wire flexible shaft bracket (37), and a support plate (39); The spring upper fixing seat (40) is fixedly connected to the upper inner side of the right side plate (28) or the left side plate (32) through a support plate (39); the base steel wire flexible shaft fixing nut (38) is fixedly connected to the middle plate (36) through a base steel wire flexible shaft bracket (37); one end of the middle plate (36) is connected to the left side plate (32), and the other end of the middle plate (36) is connected to the right side plate (28); and the pedal rotating shaft (41) is fixedly connected to the lower inner side of the corresponding right side plate (28) or the left side plate (32).

7. The height and angle adjustable steering column according to claim 1, characterized in that: It also includes a universal joint (5), the upper end of which is connected to the guide column assembly (3), and the lower end of which passes through the base assembly (7) for connection to the steering gear.

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