Arrangement structure of an air suspension

Abstract

The present invention discloses an arrangement structure of an air suspension, which relates to the technical field of automobile suspension, and comprises two frames, wherein a connecting bridge is fixedly connected between one ends of the two frames, a swing arm seat is fixedly connected to one end of the frame, a swing arm is rotatably connected to the swing arm seat, a shock absorbing component is installed between the swing arm and the frame, a wheel seat is fixedly connected to the lower end of the swing arm, and a wheel axle is rotatably connected in the wheel seat, a thrust can be applied when the swing arm moves up and down through an anti-wear component, and then a connecting disk is driven to rotate gradually through a transmission component and a one-way rotating component, so that during the working process, the connecting disk and the air spring will push the fourth gear to rotate a certain angle each time the swing arm moves, and such reciprocating can make the air spring continuously change its angle during work, so that the air spring can make each position of the circumference evenly stressed when it is contracted and folded, so as to avoid repeated wear on one side and effectively improve the service life.

Description

Technical Field

[0001] The invention relates to the technical field of automobile suspension, in particular to an arrangement structure of an air suspension. Background Art

[0002] The air suspension system is a system that allows the car to have the comfort of a sedan and the performance of an off-road vehicle. The air suspension system can raise or lower the chassis height according to the ups and downs of the road, so that the vehicle can adapt to driving needs under various road conditions. The air suspension system is mostly used in off-road vehicles that often drive under harsh road conditions to ensure that the vehicle can smoothly pass through muddy, wading, gravel and other roads.

[0003] In the application of air suspension, due to the automobile chassis connecting rod structure, when the automobile floor connecting rod moves up and down, there will be a certain angle between the connecting rod and the frame. Therefore, when the air spring airbag moves up and down, the folding angle of one side will be significantly greater than the other side, causing uneven force and wear on the airbag, seriously reducing the service life of the air spring airbag. In response to the above problems, we provide an air suspension layout structure to solve the above-mentioned problems. Summary of the invention

[0004] The object of the present invention is to provide an arrangement structure of an air suspension to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: The yoke is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts.

[0006] As a further solution of the present invention: the shock absorbing assembly includes a first connecting groove, the first connecting groove is opened at one end of the frame away from the swing arm seat, the second connecting groove is provided at one end of the swing arm away from the second rotating shaft, a shock absorber is installed between the first connecting groove and the second connecting groove, and the two connecting ends of the shock absorber are respectively rotatably connected to the first connecting groove and the second connecting groove.

[0007] As a further solution of the present invention: the anti-wear component includes a fourth gear, the fourth gear is fixedly connected to the position of the first shaft inside the mounting box, and a driving component for driving the fourth gear to rotate is provided inside the frame.

[0008] As a further solution of the present invention: the driving assembly includes a sliding bar, which is slidably connected to the frame near the mounting box, and the upper end of the sliding bar is fixedly connected to a ramp block, and the lower end surface of the frame is provided with a tension spring groove, and a first reset tension spring is installed between the ramp block and the lower end surface of the tension spring groove, and a unidirectional rotation assembly for driving the fourth gear to rotate in one direction is provided between the ramp block and the fourth gear.

[0009] As a further solution of the present invention: the one-way rotation component includes a third rotating shaft, the third rotating shaft is rotatably connected to the side of the installation box close to the frame, the second gear is installed on the third rotating shaft, a sliding frame is fixedly connected to the inside of the installation box, a rack is slidably connected to the sliding frame, the rack is meshed with the second gear, one end of the rack is provided with an end wheel that cooperates with the bevel block, a second reset spring is installed on the side of the rack and the frame away from the installation box, and a transmission component for transmission is provided between the second gear and the fourth gear.

[0010] As a further solution of the present invention: the transmission assembly includes a second rotating shaft, which is rotatably connected to the installation box at a position between the first rotating shaft and the third rotating shaft, the lower end of the second rotating shaft is fixedly connected to the first gear, the upper end of the second rotating shaft is fixedly connected to the third gear, the first gear is meshed with the end wheel, and the third gear is meshed with the first reset spring.

[0011] As a further solution of the present invention: the pitch circle diameter of the first gear is larger than the pitch circle diameters of the second gear and the third gear, and the pitch circle diameter of the fourth gear is larger than the pitch circle diameter of the third gear.

[0012] As a further solution of the present invention: the second gear is a one-way gear.

[0013] As a further solution of the present invention: a plurality of weight-reducing holes are provided on the connecting bridge.

[0014] As a further solution of the present invention: a wheel frame is installed at the lower end of the sliding bar, and a bottom wheel is rotatably connected in the wheel frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the anti-wear component can apply thrust when the swing arm moves up and down, and then the transmission component and the one-way rotation component are used to drive the connecting plate to rotate gradually, so that during the working process, the connecting plate and the air spring will push the fourth gear to rotate a certain angle each time the swing arm moves. This reciprocating movement can cause the air spring to continuously change its angle during operation, so that the air spring can be evenly stressed at all positions on the circumference when it is contracted and folded, thereby avoiding repeated wear on one side and effectively improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention.

[0017] Figure 2 It is a structural schematic diagram of the other side of the present invention.

[0018] Figure 3 It is a schematic cross-sectional structural diagram of the installation box in the present invention.

[0019] Figure 4 It is a schematic diagram of the local structure in the present invention.

[0020] Figure 5 It is a schematic structural diagram of the connecting arm in the present invention.

[0021] Among them: 1. frame; 2. connecting bridge; 3. air spring; 4. first rotating shaft; 5. mounting box; 6. first connecting groove; 7. swing arm; 8. shock absorber; 9. wheel seat; 10. wheel axle; 11. connecting plate; 12. connecting arm; 13. wheel; 14. swing arm seat; 15. fourth gear; 16. first gear; 17. second rotating shaft; 18. rack; 19. bottom wheel; 20. sliding bar; 21. inclined block; 22. end wheel; 23. second gear; 24. third rotating shaft; 25. first reset tension spring; 26. tension spring groove; 27. third gear; 28. second reset tension spring; 29. ​​sliding frame; 30. fourth rotating shaft; 31. weight reduction hole; 32. second connecting groove. DETAILED DESCRIPTION

[0022] 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, not all of the embodiments. 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.

[0023] See also Figure 1-Figure 5In an embodiment of the present invention, an arrangement structure of an air suspension includes two frames 1, a connecting bridge 2 is fixedly connected between one ends of the two frames 1, and a plurality of weight-reducing holes 31 are opened on the connecting bridge 2; a swing arm seat 14 is fixedly connected to one end of the frame 1, a swing arm 7 is rotatably connected to the swing arm seat 14, a shock absorbing assembly is installed between the swing arm 7 and the frame 1, and the shock absorbing assembly includes a first connecting groove 6, the first connecting groove 6 is opened at one end of the frame 1 away from the swing arm seat 14, and a second connecting groove 32 is provided at one end of the swing arm 7 away from the second rotating shaft 17, a shock absorber 8 is installed between the first connecting groove 6 and the second connecting groove 32, and the two connecting ends of the shock absorber 8 are rotatably connected to the first connecting groove 6 and the second connecting groove 32 respectively; the shock absorber 8 cooperates with the air spring 3 to achieve an auxiliary shock absorbing effect.

[0024] The lower end of the swing arm 7 is fixedly connected to a wheel seat 9, and a wheel axle 10 is rotatably connected in the wheel seat 9, and a wheel 13 is installed on the wheel axle 10, the two swing arms 7 are fixedly connected to a connecting arm 12, and the opposite sides of the two frames 1 are fixedly connected to a mounting box 5, the first rotating shaft 4 is rotatably connected in the mounting box 5, and the fourth rotating shaft 30 is rotatably connected at the position opposite to the first rotating shaft 4. The opposite ends of the first rotating shaft 4 and the fourth rotating shaft 30 are fixedly connected to a connecting disk 11, and an air spring 3 is installed between the two connecting disks 11, and an anti-wear component for preventing unilateral wear of the air spring 3 is provided inside the mounting box 5; the air spring 3 is connected to the fourth rotating shaft 30 and the connecting disk 11 at the end of the air spring 3, so that the air spring 3 has the ability to rotate and can rotate under the action of the anti-wear component.

[0025] The anti-wear component includes a fourth gear 15, which is fixedly connected to the first rotating shaft 4 at a position inside the mounting box 5, and a driving component for driving the fourth gear 15 to rotate is provided inside the frame 1; the driving component includes a sliding bar 20, which is slidably connected to the position of the frame 1 near the mounting box 5, a wheel frame is installed at the lower end of the sliding bar 20, and a bottom wheel 19 is rotatably connected inside the wheel frame, and a ramp block 21 is fixedly connected to the upper end of the sliding bar 20, and a tension spring groove 26 is provided on the lower end surface of the frame 1. A first reset tension spring 25 is installed between the inclined surface block 21 and the lower end surface of the tension spring groove 26, and a one-way rotating component for driving the fourth gear 15 to rotate in one direction is provided between the inclined surface block 21 and the fourth gear 15; during operation, each movement of the swing arm 7 cooperates with the first reset tension spring 25 to push the bottom wheel 19 to move up and down, and the up and down movement of the bottom wheel 19 drives the sliding bar 20 to move up and down, and the sliding bar 20 drives the inclined surface block 21 to move up and down, and the up and down movement of the inclined surface block 21 can drive the one-way rotating component to move, thereby driving the first rotating shaft 4 to rotate.

[0026] The one-way rotating assembly includes a third rotating shaft 24, which is rotatably connected to a side of the mounting box 5 close to the frame 1, and a second gear 23 is installed on the third rotating shaft 24. A sliding frame 29 is fixedly connected inside the mounting box 5, and a rack 18 is slidably connected to the sliding frame 29, and the rack 18 meshes with the second gear 23. One end of the rack 18 is provided with an end wheel 22 that cooperates with the inclined plane block 21, and a second reset tension spring 28 is installed on the side of the rack 18 and the frame 1 away from the mounting box 5. A transmission assembly for transmission is provided between the second gear 23 and the fourth gear 15; the second gear 23 is a one-way gear; when working, the inclined surface at the upper end of the inclined plane block 21 will push the rack 18 to move, and the movement of the rack 18 drives the second gear 23 to rotate. Since the second gear 23 is a one-way gear, the rack 18 will not drive the second gear 23 to rotate when resetting.

[0027] The transmission assembly includes a second rotating shaft 17, which is rotatably connected to the installation box 5 at a position between the first rotating shaft 4 and the third rotating shaft 24. The lower end of the second rotating shaft 17 is fixedly connected to the first gear 16, and the upper end of the second rotating shaft 17 is fixedly connected to the third gear 27. The first gear 16 is meshed with the end wheel 22, and the third gear 27 is meshed with the first reset tension spring 25; the pitch circle diameter of the first gear 16 is larger than the pitch circle diameters of the second gear 23 and the third gear 27, and the pitch circle diameter of the fourth gear 15 is larger than the pitch circle diameter of the third gear 27; during transmission, the rotation of the second gear 23 will drive the tension spring slot 26 to rotate, the rotation of the first gear 16 will drive the third gear 27 to rotate, and the rotation of the third gear 27 can drive the fourth gear 15 to rotate. Since the pitch circle diameter of the fourth gear 15 is larger than the pitch circle diameter of the third gear 27, and the pitch circle diameter of the first gear 16 is larger than the pitch circle diameter of the second gear 23, the power will drive the air spring 3 to rotate slightly after deceleration and torque increase.

[0028] The working principle of the present invention is as follows: when working, the swing arm 7 is rotatably connected to the swing arm seat 14, so that the wheel 13 can move up and down when encountering a bumpy road surface. During the up and down movement of the wheel 13, the air spring 3 will be squeezed, and at the same time, the shock absorber 8 will be cooperated to effectively achieve a shock-absorbing effect. When the swing arm 7 swings up and down, each movement of the swing arm 7 cooperates with the first reset tension spring 25 to push the bottom wheel 19 to move up and down, and the bottom wheel 19 moves up and down to drive the sliding bar 20 to move up and down, and the sliding bar 20 drives the inclined surface block 21 to move up and down, and the inclined surface at the upper end of the inclined surface block 21 will push the rack 18 to move, and the rack 18 moves to drive the second gear 23 The rotation of the second gear 23 will drive the tension spring slot 26 to rotate, the rotation of the first gear 16 will drive the third gear 27 to rotate, and the rotation of the third gear 27 can drive the fourth gear 15 to rotate. Since the pitch circle diameter of the fourth gear 15 is larger than the pitch circle diameter of the third gear 27, and the pitch circle diameter of the first gear 16 is larger than the pitch circle diameter of the second gear 23, the power will drive the air spring 3 to rotate slightly after deceleration and torque increase, so that the air spring 3 has the ability to rotate, so that the air spring 3 can make all positions of the circumference evenly stressed when it is contracted and folded, avoiding repeated wear on one side and effectively improving the service life.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although this specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An arrangement structure of an air suspension, comprising two frames (1), a connecting bridge (2) being fixedly connected between one end of the two frames (1), a swing arm seat (14) being fixedly connected to one end of the frame (1), a swing arm (7) being rotatably connected to the swing arm seat (14), characterized in that: A shock absorbing assembly is installed between the swing arm (7) and the frame (1); a wheel seat (9) is fixedly connected to the lower end of the swing arm (7); a wheel axle (10) is rotatably connected inside the wheel seat (9); a wheel (13) is installed on the wheel axle (10); the two swing arms (7) are fixedly connected to a connecting arm (12); an installation box (5) is fixedly connected to the opposite side of the two frames (1); a first rotating shaft (4) is rotatably connected inside the installation box (5); a fourth rotating shaft (30) is rotatably connected to the connecting arm (12) at a position opposite to the first rotating shaft (4); a connecting disk (11) is fixedly connected to the opposite ends of the first rotating shaft (4) and the fourth rotating shaft (30); an air spring (3) is installed between the two connecting disks (11); and an anti-wear assembly for preventing unilateral wear of the air spring (3) is provided inside the installation box (5).

2. The arrangement structure of an air suspension according to claim 1, characterized in that: The shock absorbing assembly comprises a first connecting groove (6), the first connecting groove (6) being arranged at one end of the vehicle frame (1) away from the swing arm seat (14), a second connecting groove (32) being arranged at one end of the swing arm (7) away from the second rotating shaft (17), a shock absorber (8) being installed between the first connecting groove (6) and the second connecting groove (32), and two connecting ends of the shock absorber (8) being rotatably connected to the first connecting groove (6) and the second connecting groove (32) respectively.

3. The arrangement structure of an air suspension according to claim 1, characterized in that: The anti-wear component comprises a fourth gear (15), the fourth gear (15) being fixedly connected to the first rotating shaft (4) at a position inside the mounting box (5), and a driving component for driving the fourth gear (15) to rotate is provided inside the vehicle frame (1).

4. The arrangement structure of an air suspension according to claim 3, characterized in that: The driving assembly comprises a sliding bar (20), the sliding bar (20) being slidably connected to a position of the frame (1) close to the mounting box (5), the upper end of the sliding bar (20) being fixedly connected to a sloped block (21), the lower end surface of the interior of the frame (1) being provided with a tension spring groove (26), a first reset tension spring (25) being installed between the sloped block (21) and the lower end surface of the tension spring groove (26), and a unidirectional rotation assembly for driving the fourth gear (15) to rotate unidirectionally being provided between the sloped block (21) and the fourth gear (15).

5. The arrangement structure of an air suspension according to claim 4, characterized in that: The one-way rotation assembly comprises a third rotating shaft (24), the third rotating shaft (24) being rotatably connected to a side of the mounting box (5) close to the vehicle frame (1), a second gear (23) being mounted on the third rotating shaft (24), a sliding frame (29) being fixedly connected inside the mounting box (5), a rack (18) being slidably connected to the sliding frame (29), the rack (18) being meshed with the second gear (23), an end wheel (22) being provided at one end of the rack (18) and being matched with the inclined surface block (21), a second return tension spring (28) being mounted on a side of the rack (18) and the vehicle frame (1) away from the mounting box (5), and a transmission assembly for transmission being provided between the second gear (23) and the fourth gear (15).

6. The arrangement structure of an air suspension according to claim 5, characterized in that: The transmission assembly comprises a second rotating shaft (17), the second rotating shaft (17) being rotatably connected to the installation box (5) at a position between the first rotating shaft (4) and the third rotating shaft (24), the lower end of the second rotating shaft (17) being fixedly connected to the first gear (16), the upper end of the second rotating shaft (17) being fixedly connected to the third gear (27), the first gear (16) being meshed with the end wheel (22), and the third gear (27) being meshed with the first reset tension spring (25).

7. The arrangement structure of an air suspension according to claim 6, characterized in that: The pitch circle diameter of the first gear (16) is greater than the pitch circle diameters of the second gear (23) and the third gear (27), and the pitch circle diameter of the fourth gear (15) is greater than the pitch circle diameter of the third gear (27).

8. The arrangement structure of an air suspension according to claim 6, characterized in that: The second gear (23) is a one-way gear.

9. The arrangement structure of an air suspension according to claim 1, characterized in that: The connecting bridge (2) is provided with a plurality of weight-reducing holes (31).

10. The arrangement structure of an air suspension according to claim 5, characterized in that: A wheel frame is installed at the lower end of the sliding bar (20), and a bottom wheel (19) is rotatably connected inside the wheel frame.

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