阅读说明：本技术 一种转向结构 (Steering structure ) 是由 周斌 于 2020-04-08 设计创作，主要内容包括：本发明公开了一种转向结构,包括第一调节部、第二调节部和转向机构；所述转向机构的转向端装设于车架中部,该转向机构的控制端装设于车架前侧的下横梁上；所述第一调节部的固定端和第二调节部的固定端对称设置地装设于所述车架前侧的上横梁上；所述第一调节部的调节端和第二调节部的调节端分别位于所述转向端两侧,以调节所述转向机构的转向半径。(The invention discloses a steering structure, which comprises a first adjusting part, a second adjusting part and a steering mechanism, wherein the first adjusting part is arranged on the steering mechanism; the steering end of the steering mechanism is arranged in the middle of the frame, and the control end of the steering mechanism is arranged on the lower cross beam on the front side of the frame; the fixed end of the first adjusting part and the fixed end of the second adjusting part are symmetrically arranged on the upper cross beam on the front side of the frame; the adjusting end of the first adjusting portion and the adjusting end of the second adjusting portion are located on two sides of the steering end respectively so as to adjust the steering radius of the steering mechanism.)

1. A steering structure is characterized by comprising a first adjusting part, a second adjusting part and a steering mechanism;

the steering end of the steering mechanism is arranged in the middle of the frame, and the control end of the steering mechanism is arranged on the lower cross beam on the front side of the frame;

the fixed end of the first adjusting part and the fixed end of the second adjusting part are symmetrically arranged on the upper cross beam on the front side of the frame;

the adjusting end of the first adjusting portion and the adjusting end of the second adjusting portion are located on two sides of the steering end respectively so as to adjust the steering radius of the steering mechanism.

2. The steering structure according to claim 1, wherein the first adjusting portion includes a first stopper bracket and a first bolt;

the lower end of the first limiting frame is arranged on the lower cross beam;

the first bolt is rotatably arranged at the upper end of the first limiting frame, and the adjusting direction of the first bolt faces the second adjusting part so as to limit the steering end on one side.

3. The steering structure according to claim 1, wherein the second adjusting portion includes a second stopper and a second bolt;

the lower end of the second limiting frame is arranged at one end of the lower cross beam far away from the second adjusting part;

the second bolt is rotatably arranged at the upper end of the second limiting frame, and the adjusting direction of the second bolt faces the first adjusting part so as to limit one side, far away from the first adjusting part, of the steering end.

4. The steering structure according to claim 1, wherein the steering mechanism includes a steering gear, a steering column, and a stopper;

the upper end of the steering column is connected with the middle part of the frame, and the lower end of the steering column is rotatably connected with the adjusting end of the steering gear;

the upper end of the limiting block is arranged on the lower side of the steering gear, and the lower end of the limiting block is positioned between the first adjusting part and the second adjusting part, so that the limiting block can be abutted against the first adjusting part and the second adjusting part when rotating;

one side of the steering gear, which is far away from the limiting block, is detachably connected with the upper cross beam.

5. The steering structure as claimed in claim 4, wherein the side of the steering gear away from the limiting block is detachably connected with the upper cross beam.

6. The steering structure as claimed in claim 4, wherein the stopper is relatively rotatably connected to the steering gear via a connecting shaft.

7. The steering structure as claimed in claim 6, wherein two ends of the connecting shaft are respectively connected with the limiting block and the steering gear key.

8. A steering arrangement according to claim 4, wherein the steering gear is a recirculating ball steering gear.

Technical Field

The invention relates to the field of automobiles, in particular to a steering structure.

Background

The driving road condition of the all-terrain vehicle is usually rugged, the ackerman angle can be changed when the vehicle is driven and the suspension is moved in a large stroke, and in order to adapt to the change of different road conditions and environments, the improvement of the vehicle speed and the safety of a driver and passengers are very important, a steering structure with an adjustable turning radius suitable for the independently suspended all-terrain vehicle is needed, so that the optimal safe driving or the optimal control performance is achieved. The automobile steering structure in the prior art has the defect of difficult adjustment, and is not beneficial to steering adjustment.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a turn to the structure, reduce the regulation degree of difficulty that the car turned to the structure, improve the security of vehicle.

In order to solve the technical problems, the invention adopts the technical scheme that:

a steering structure comprises a first adjusting part, a second adjusting part and a steering mechanism;

the steering end of the steering mechanism is arranged in the middle of the frame, and the control end of the steering mechanism is arranged on the lower cross beam on the front side of the frame;

the fixed end of the first adjusting part and the fixed end of the second adjusting part are symmetrically arranged on the upper cross beam on the front side of the frame;

the adjusting end of the first adjusting portion and the adjusting end of the second adjusting portion are located on two sides of the steering end respectively so as to adjust the steering radius of the steering mechanism.

The invention has the beneficial effects that: the invention is suitable for all-terrain vehicles adopting independent suspension. Be provided with first regulation portion and second regulation portion in steering mechanism both sides for the stroke of restriction steering mechanism, the interval of first regulation portion and second regulation portion is adjustable, and then can adjust steering mechanism's turning radius, reaches the best safe driving or best control performance, in order when the road conditions that faces multiple difference, can guarantee the security of car all the time.

Drawings

Fig. 1 is a first schematic structural diagram of a steering structure according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a steering structure according to a first embodiment of the present invention;

fig. 3 is a third schematic structural diagram of a steering structure according to a first embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a first schematic structural diagram of a steering structure according to a second embodiment of the present invention;

fig. 6 is a second structural schematic view of a steering structure according to a second embodiment of the present invention;

FIG. 7 is an enlarged view of portion B of FIG. 6;

fig. 8 is a front view of fig. 6.

Description of reference numerals:

2. a frame; 21. an upper cross beam; 22. a lower cross beam;

3. a first adjusting section; 31. a first limit bracket; 32. a first bolt; 33. a first drive motor; 34. a first mounting bracket; 35. a first drive gear; 36. a first drive gear;

4. a second regulating part; 41. a second limiting frame; 42. a second bolt;

5. a steering mechanism; 51. a steering end; 53. a diverter; 54. a steering column; 55. a limiting block; 56. a third bolt; 57. a long suspension cross arm; 58. a short suspension cross arm;

6. a connecting shaft;

7. a left steering wheel;

8. and a right steering wheel.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 8, a steering structure includes a first adjusting portion, a second adjusting portion and a steering mechanism;

the steering end of the steering mechanism is arranged in the middle of the frame, and the control end of the steering mechanism is arranged on the lower cross beam on the front side of the frame;

the fixed end of the first adjusting part and the fixed end of the second adjusting part are symmetrically arranged on the upper cross beam on the front side of the frame;

the adjusting end of the first adjusting portion and the adjusting end of the second adjusting portion are located on two sides of the steering end respectively so as to adjust the steering radius of the steering mechanism.

The working principle of the invention is as follows: the purpose of adjusting the distance between the first adjusting part and the second adjusting part is achieved by adjusting the adjusting ends of the first adjusting part and the second adjusting part, so that the steering radius of the steering mechanism is adjustable.

From the above description, the beneficial effects of the present invention are: the invention is suitable for all-terrain vehicles adopting independent suspension. Be provided with first regulation portion and second regulation portion in steering mechanism both sides for the stroke of restriction steering mechanism, the interval of first regulation portion and second regulation portion is adjustable, and then can adjust steering mechanism's turning radius, reaches the best safe driving or best control performance, in order when the road conditions that faces multiple difference, can guarantee the security of car all the time.

Further, the first adjusting part comprises a first limiting frame and a first bolt;

the lower end of the first limiting frame is arranged on the lower cross beam;

the first bolt is rotatably arranged at the upper end of the first limiting frame, and the adjusting direction of the first bolt faces the second adjusting part so as to limit the steering end on one side.

Further, the second adjusting part comprises a second limiting frame and a second bolt;

the lower end of the second limiting frame is arranged at one end of the lower cross beam far away from the second adjusting part;

the second bolt is rotatably arranged at the upper end of the second limiting frame, and the adjusting direction of the second bolt faces the first adjusting part so as to limit one side, far away from the first adjusting part, of the steering end.

According to the above description, the first bolt, the second bolt, the first limiting frame and the second limiting frame are arranged, the first bolt and the second bolt on the first limiting frame and the second limiting frame are respectively adjusted, and then the distance between the first bolt and the second bolt is adjusted, namely the steering radius of the steering mechanism is adjusted.

Further, the steering mechanism comprises a steering gear, a steering column and a limiting block;

the upper end of the steering column is connected with the middle part of the frame, and the lower end of the steering column is rotatably connected with the adjusting end of the steering gear;

the upper end of the limiting block is arranged on the lower side of the steering gear, and the lower end of the limiting block is positioned between the first adjusting part and the second adjusting part, so that the limiting block can be abutted against the first adjusting part and the second adjusting part when rotating;

one side of the steering gear, which is far away from the limiting block, is detachably connected with the upper cross beam.

As can be seen from the above description, the limiting block is provided so that the limiting block can limit the stroke between the first adjusting portion and the second adjusting portion, and further, the steering radius of the steering gear is limited by the limiting block; the steering column is used to transmit steering action to the steering gear, and when the steering radius of the steering gear is limited, the steering radius of the steering column is also limited.

Furthermore, one side of the steering gear, which is far away from the limiting block, is detachably connected with the upper cross beam.

As can be seen from the above description, the steering gear is detachably connected with the upper cross beam, on one hand, the steering gear is used for limiting the relative movement between the steering gear and the upper cross beam when the steering gear works normally, so that the steering action of the steering column can be transmitted to the limiting block through the steering gear, the stroke of the limiting block is adjusted through the through hole, the steering radius can be adjusted, on the other hand, the mounting and the dismounting are convenient, convenience is provided when parts are replaced and maintained in the follow-up process, and the working efficiency is improved.

Furthermore, the limiting block and the steering gear are connected in a relatively rotatable manner through a connecting shaft.

According to the above description, the steering action of the steering gear can be transmitted to the limiting block through the connecting shaft, and the purpose of controlling the steering radius is achieved by limiting the stroke of the limiting block.

Furthermore, two ends of the connecting shaft are respectively connected with the limiting block and the steering gear key.

Further, the steering gear is a recirculating ball steering gear.

As can be seen from the above description, the recirculating ball steering gear has higher transmission efficiency, is lighter and more comfortable to operate, has less wear on mechanical parts, and has a relatively longer service life than the rack-and-pinion steering gear because the recirculating ball steering gear relies more on rolling friction. For all-terrain vehicles, the recirculating ball steering gear is safer and firmer under different road conditions.

The first embodiment of the invention is as follows:

referring to fig. 1 to 4, a steering structure includes a first adjusting portion 3, a second adjusting portion 4 and a steering mechanism 5;

the steering end 51 of the steering mechanism is arranged in the middle of the frame 2, and the control end of the steering mechanism 5 is arranged on the lower cross beam 22 at the front side of the frame 2;

the fixed end of the first adjusting part 3 and the fixed end of the second adjusting part 4 are symmetrically arranged on the upper cross beam 21 at the front side of the frame 2;

the adjustment end of the first adjustment portion 3 and the adjustment end of the second adjustment portion 4 are located on both sides of the turning end 51, respectively, to adjust the turning radius of the steering mechanism 5.

Referring to fig. 2 and 4, the first adjusting portion 3 includes a first stopper 31 and a first bolt 32;

the lower end of the first limiting frame 31 is arranged on the lower cross beam 22;

the first bolt 32 is rotatably installed on the upper end of the first limiting frame 31, and the adjusting direction of the first bolt 32 faces the second adjusting portion 4, so as to limit the turning end 51 at one side.

Referring to fig. 2 and 4, the second adjusting portion 4 includes a second stopper 41 and a second bolt 42;

the lower end of the second limiting frame 41 is arranged at one end of the lower cross beam 22 far away from the second adjusting part 4;

the second bolt is rotatably installed at the upper end of the second limiting frame 41, and the adjusting direction of the second bolt 42 faces the first adjusting portion 3, so as to limit the side of the turning end 51 away from the first adjusting portion 3.

Specifically, the first bolt 32 is in threaded connection with the first limiting frame 31, and the second bolt 42 is in threaded connection with the second limiting frame 41;

preferably, the first limiting frame 31 and the second limiting frame 41 are welded on the lower cross beam 22;

referring to fig. 4, the steering mechanism 5 includes a steering gear 53, a steering column 54, and a stopper 55;

the upper end of a steering column 54 is connected with the middle part of the frame 2, and the lower end of the steering column 54 is rotatably connected with the adjusting end of a steering gear 53;

the upper end of the limiting block 55 is arranged at the lower side of the steering gear 53, and the lower end is positioned between the first adjusting part 3 and the second adjusting part 4, so that the limiting block 55 can be abutted against the first adjusting part 3 and the second adjusting part 4 when rotating;

the side of the steering gear 53 far away from the limit block 55 is detachably connected with the upper cross beam 21.

Referring to fig. 3 and 4, the side of the diverter 53 away from the stop 55 is detachably connected to the upper beam 21.

Specifically, one side of the steering gear 53, which is far away from the limit block 55, is connected with the upper cross beam 21 through a third bolt 56;

referring to fig. 4, the stopper 55 and the steering gear 53 are relatively rotatably connected by a connecting shaft 6.

Specifically, referring to fig. 4, a long suspension cross arm 57 and a short suspension cross arm 58 are arranged on one side of the limiting block 55 away from the steering gear 53, one end of the long suspension cross arm 57 is connected with the left steering wheel 7, the other end of the long suspension cross arm 57 is connected with the right steering wheel 8, and the middle part of the long suspension cross arm 57 is rotatably connected with the limiting block 55 through a rotating shaft;

one end of the short suspension cross arm 58 is welded on the side surface of the frame 2, and the other end is positioned between the long suspension cross arm 57 and the connecting shaft 6 and can be relatively rotatably connected with the limiting block 55;

preferably, two ends of the connecting shaft 6 are respectively connected with the limiting block 55 and the steering gear 53 in a key mode.

Preferably, the diverter 53 is a recirculating ball diverter 53.

The second embodiment of the invention is as follows:

the present embodiment is different from the first embodiment in that another structure of the first regulating portion and the second regulating portion is defined.

Referring to fig. 5 to 8, the first adjusting portion 3 includes a first stopper 31, a first bolt 32, a first driving motor 33, a first mounting bracket 34, a first driving gear 35, and a first transmission gear 36;

the first bolt 32 is rotatably installed at the upper end of the first limiting frame 31, and the adjusting direction of the first bolt 32 faces the second adjusting part 4, so as to limit the steering end 51 at one side;

the fixed end of the first driving motor 33 is detachably mounted on one side of the first limiting frame 31 through a first mounting frame 34, and the movable end of the first driving motor 33 is in transmission connection with a first driving gear 35;

the first driving gear 35 is meshed with the first transmission gear 36, and the first transmission gear 36 is fixedly connected with the first bolt 32, so that the first driving motor 33 transmits to the first bolt 32 through the first driving gear 35 and the first transmission gear 36, and further the first bolt 32 is enabled to automatically rotate;

the first driving motor 33 is also electrically connected to the console of the vehicle, so that a user can control the first driving motor 33 through the console of the vehicle to automatically adjust the first bolt 32, thereby achieving the purpose of automatically adjusting the steering radius of the steering gear.

The automatic adjusting structure of the second adjusting portion 4 is the same as that of the first adjusting portion 3, and the second adjusting portion 4 and the first adjusting portion 3 are symmetrically disposed, so that the structure of the second adjusting portion 4 refers to the structure of the first adjusting portion 3 in the second embodiment, and details thereof are not repeated.

In conclusion, the steering structure provided by the invention achieves the purpose of limiting the moving distance of the limiting block and further achieving the purpose of adjusting the steering radius of the steering gear by adjusting the distance between the first bolt and the second bolt, and the first bolt and the second bolt can realize manual adjustment and automatic adjustment so as to improve the safety of all-terrain vehicles and ensure that the safety can be ensured all the time when the vehicles run in different terrain areas; the steering device adopts a recirculating ball type steering device, the recirculating ball type steering device is applied to double-cross arm independent suspension, the change of toe-in when a long suspension cross arm is in the maximum stroke is improved, and the structure is suitable for the steering structure of long-cross arm suspension (such as a Baji vehicle and the like) vehicle types; two adjusting parts with adjustable distance are welded on the frame, and the steering stroke in the direction of the steering gear is adjusted by rotating the bolt on the limiting frame, so that the problem of the variation of the Ackerman angle during large-stroke motion of suspension is solved, the adjustability of the turning radius is realized, and the optimal safe driving or optimal control performance is achieved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.