Air bag type front-back suspension

Abstract

The utility model relates to the technical field of automobile suspension, and discloses an air bag type front-rear suspension which comprises a frame assembly, an air bag type front suspension mechanism and an air bag type rear suspension mechanism. The air bag type front suspension mechanism is arranged at the front end of the frame assembly and comprises a front suspension left support arranged on the left side and a front suspension right support arranged on the right side, and front suspension air bag shock absorbers matched with the front suspension height valves are arranged on the front suspension left support and the front suspension right support; the left and right lower supports are arranged at the rear end of the frame assembly, V-shaped supports are arranged on the left and right lower supports, the upper ends of the V-shaped supports are connected with the two ends of a rear suspension lower cross beam, and a transverse shock absorber is arranged in the middle of the rear suspension lower cross beam. The air bag type front and back suspension device is suitable for an air bag type front and back suspension device, the combination of the air bags and the shock absorbers is adopted on the front suspension device, and the combined shock absorption mode of the air bag shock absorbers and the cable-stayed shock absorbers is adopted on the back suspension device, so that a vehicle can have a good driving feeling under various road conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile suspension, in particular to an airbag type front and rear suspension. Background Art

[0002] The automobile suspension system refers to the entire support system composed of springs and shock absorbers between the car body and the tires. The function of the suspension system is to support the car body and improve the riding experience. Different suspension settings will give the driver different driving experiences. The seemingly simple suspension system integrates multiple forces and determines the stability, comfort and safety of the car.

[0003] However, some existing automobile suspension systems have relatively simple structures and are unable to adjust suspension performance in an individualized manner, so they need to be improved. Utility Model Content

[0004] The utility model provides an airbag type front and rear suspension, which solves the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An airbag type front and rear suspension includes a frame assembly, an airbag type front suspension mechanism and an airbag type rear suspension mechanism;

[0007] An airbag-type front suspension mechanism is arranged at the front end of the vehicle frame assembly, and includes a front suspension left bracket arranged on the left side and a front suspension right bracket arranged on the right side, a vehicle body front wall lower cross beam is arranged above the front suspension left bracket and the front suspension right bracket, a front lateral stabilizer bar is arranged below between the front suspension left bracket and the front suspension right bracket, a front suspension height valve is arranged in the middle of the front lateral stabilizer bar, and a front suspension airbag shock absorber cooperating with the front suspension height valve is arranged on the front suspension left bracket and the front suspension right bracket;

[0008] The airbag rear suspension mechanism is arranged on the left and right lower brackets at the rear end of the frame assembly, and the left and right lower brackets are provided with V-shaped brackets. The upper ends of the V-shaped brackets are connected to the two ends of the rear suspension lower cross beam. A lateral shock absorber is arranged in the middle of the rear suspension lower cross beam. The upper end of the lateral shock absorber is connected to the upper cross beam assembly. The rear suspension airbag shock absorber is arranged between the two ends of the upper cross beam assembly and the V-shaped bracket.

[0009] As a preferred technical solution of the utility model, the end of the front suspension airbag shock absorber is connected to the front suspension left bracket and the front suspension right bracket through a pin shaft.

[0010] As a preferred technical solution of the utility model, a height valve adjusting rod is arranged on the front overhang height valve, and rocker clips are arranged on both sides of the front lateral stabilizer bar.

[0011] As a preferred technical solution of the utility model, the front suspension height valve is connected to the front suspension airbag shock absorber through the front suspension air pipe, and a pipeline tie cooperating with the front suspension air pipe is arranged on the lower cross beam of the front wall of the vehicle body.

[0012] As a preferred technical solution of the utility model, an air bag assembly connected to the front overhang height valve is also provided on the front overhang left bracket and the front overhang right bracket.

[0013] As a preferred technical solution of the present utility model, a left hydraulic lock is arranged on the left side of the V-shaped bracket, and a right hydraulic lock is arranged on the right side of the V-shaped bracket.

[0014] As a preferred technical solution of the utility model, height valve brackets are arranged at both ends of the V-shaped bracket, and a rear suspension height valve cooperating with the rear suspension airbag shock absorber is arranged on the height valve bracket.

[0015] As a preferred technical solution of the utility model, a transition connection bracket is arranged on the rear suspension lower cross beam, and a trailer valve bracket assembly is arranged on the transition connection bracket.

[0016] The utility model has the following benefits:

[0017] The utility model is applicable to an airbag type front and rear suspension. By adopting a combination of an airbag and a shock absorber in the front suspension, and a combined shock absorption mode of an airbag shock absorber and a diagonal-pull shock absorber in the rear suspension, the vehicle can have a good driving feeling under various road conditions. The front suspension adopts two height valves, and the rear suspension adopts one height valve to control the inflation and exhaust of the airbag. The lower supports of the front and rear suspensions both adopt a stamping and welding structure to reduce weight and reduce costs. The trailer valve bracket is integrated on the rear suspension, reducing the installation time and installation costs of the main engine factory. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 The figure is a schematic diagram of the structure of an airbag type front and rear suspension.

[0020] Figure 2 The figure is a schematic diagram showing the distribution of components in an airbag front and rear suspension.

[0021] In the figure: 1. air bag front suspension mechanism; 2. frame assembly; 3. air bag rear suspension mechanism; 4. trailer valve bracket; 5. pin shaft; 6. front suspension air bag shock absorber; 7. front suspension left bracket; 8. lower cross beam of vehicle body front enclosure; 9. front lateral stabilizer bar; 10. front suspension air pipe; 11. pipeline tie; 12. front suspension height valve; 13. rocker clamp; 14. height valve adjustment rod; 15. front suspension right bracket; 16. air bag assembly; 17. trailer valve bracket assembly; 18. left and right lower brackets; 19. V-shaped bracket; 20. rear suspension air bag shock absorber; 21. rear suspension height valve; 22. left hydraulic lock; 23. upper cross beam assembly; 24. rear suspension air pipe; 25. height valve bracket; 26. lateral shock absorber; 27. rear suspension lower cross beam; 28. right hydraulic lock; 29. ​​transition connection bracket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In one embodiment, see Figure 1 and Figure 2 , an airbag type front and rear suspension, comprising a frame assembly 2, an airbag type front suspension mechanism 1 and an airbag type rear suspension mechanism 3;

[0024] The airbag front suspension mechanism 1 is arranged at the front end of the frame assembly 2, and includes a front suspension left bracket 7 arranged on the left side and a front suspension right bracket 15 arranged on the right side. The front suspension left bracket 7 and the front suspension right bracket 15 are left-right symmetrical parts, which are welded by a Z-shaped front panel, a rear lower part, a left-right symmetrical structural part with an upper extruded step, a middle hollow lower part, and front and rear side flanges, and a middle and lower part is a U-shaped part. The upper part of the front suspension left bracket 7 and the front suspension right bracket 15 is provided with a vehicle body front wall lower cross beam 8. The vehicle body front wall lower cross beam 8 is a pipe fitting, and the two ends are flat. The front suspension left bracket 7 and the front suspension right bracket 15 are connected by bolts, and a flat plate is welded in the middle A height valve connecting bracket, a flat-plate-shaped three-way joint bracket, a front lateral stabilizer bar 9 is arranged below the front left bracket 7 and the front right bracket 15, and the front lateral stabilizer bar 9 is formed by welding the middle pipe fitting with the U-shaped parts on both sides that are wide in front and narrow in the back, and the welding parts at both ends are triangular-shaped U-shaped parts for strengthening welding, and the left and right ends are respectively assembled with two pipe clamps at the upper end and arc-shaped height valve brackets 25 at the lower part that match the pipe fittings, and the middle part of the front lateral stabilizer bar 9 is provided with a front suspension height valve 12, and the front suspension left bracket 7 and the front suspension right bracket 15 are provided with a front suspension airbag shock absorber 6 that cooperates with the front suspension height valve 12;

[0025] The airbag rear suspension mechanism 3 is provided with left and right lower brackets 18 at the rear end of the frame assembly 2. The left and right lower brackets 18 are arranged symmetrically. The left and right lower brackets 18 are welded parts, which are composed of a U-shaped upper part, a main bracket of a "F" shape at the lower part, and two U-shaped brackets that are welded after being plugged in at the upper part; V-shaped brackets 19 are provided on the left and right lower brackets 18. The upper part of the V-shaped bracket 19 is a U-shaped opening facing downward, and the lower part is a U-shaped opening facing upward. The upper middle part of the V-shaped bracket 19 has a reinforcing step, and the lower middle hole has a flange. The left and right parts are arranged symmetrically, which strengthens the structure; the upper end of the V-shaped bracket 19 is connected to the rear suspension lower cross beam 27 At both ends, the rear suspension lower cross beam 27 is an inverted V-shape, with flanges at both ends to strengthen the outer edges, and one piece is arranged at the front and rear; a lateral shock absorber 26 is arranged in the middle of the rear suspension lower cross beam 27, and the upper end of the lateral shock absorber 26 is connected to the upper cross beam assembly 23, and the upper cross beam assembly 23 is welded by two plate-like cross beams and two U-shaped parts. There are 4 protrusions at the lower part of the plate-like cross beam, and the protrusions are pressed into a step shape; the lateral shock absorber 26, one piece on each side, is arranged in a V shape, and rear suspension air bag shock absorbers 20 are arranged between the two ends of the upper cross beam assembly 23 and the V-shaped bracket 19, and the suspension air bag shock absorbers are arranged symmetrically on the left and right.

[0026] In one case of this embodiment, the ends of the front suspension airbag shock absorber 6 are connected to the front suspension left bracket 7 and the front suspension right bracket 15 through the pin shaft 5, and the front suspension airbag shock absorber 6 is symmetrically arranged on the left and right sides.

[0027] In one case of this embodiment, a height valve adjusting rod 14 is provided on the front suspension height valve 12. Both ends of the height valve adjusting rod 14 are ball head structures, which can be rotated in a large angle range. The threads at both ends are in opposite directions and the length can be adjusted. Rocker clips 13 are provided on both sides of the front lateral stabilizer bar 9. The rocker clips 13 are arranged symmetrically at both ends of the front lateral stabilizer bar 9. The rocker clips 13 are plastic parts, the upper part is arc-shaped, and is used to install the oil pump rocker. The lower part is also arc-shaped, and the middle is a through hole arranged in a square arc, which is used to fix the part on the stabilizer bar with a pipe clamp.

[0028] In one case of this embodiment, the front suspension height valve 12 is connected to the front suspension airbag shock absorber 6 through the front suspension air pipe 10, and the front lower cross beam 8 of the vehicle body is provided with a pipeline tie 11 that cooperates with the front suspension air pipe 10. The air pipe connects the left and right front suspension height valves 12 and the left and right airbag assemblies 16 and the air pipe connecting the left and right height valves and the three-way joint. The front suspension left bracket 7 and the front suspension right bracket 15 are also provided with an airbag assembly 16 connected to the front suspension height valve 12.

[0029] In one case of this embodiment, a left hydraulic lock 22 is provided on the left side of the V-shaped bracket 19 , and a right hydraulic lock 28 is provided on the right side of the V-shaped bracket 19 .

[0030] In one case of this embodiment, the two ends of the V-shaped bracket 19 are provided with a height valve bracket 25, and the height valve bracket 25 is designed with a Z-shaped upper and lower notches. The height valve bracket 25 is provided with a rear suspension height valve 21 that cooperates with the rear suspension airbag shock absorber 20. In addition, a rear suspension air pipe 24 connecting the rear suspension airbag shock absorber and the rear suspension height valve 21 is provided on the V-shaped bracket 19.

[0031] In one case of this embodiment, a transition connection bracket 29 is provided on the rear suspension lower cross beam 27 , and a trailer valve bracket assembly 17 is provided on the transition connection bracket 29 . The transition connecting bracket 29 connects the trailer valve bracket 4 to the rear suspension. The transition connecting bracket 29 is a U-shaped structure, with one piece on each side symmetrically arranged; the trailer valve bracket assembly 17 is welded by left and right brackets, an air filter bracket, a connecting rod, and a trailer valve bracket 4. The left and right brackets are in a "J" shape, with the middle of three sides hollowed out, and are welded to the two ends of the connecting rod; the air filter bracket is also in a "J" shape, with the middle of three sides hollowed out, and is welded to the connecting rod at the upper left side; the connecting rod is a pipe fitting, bent at four sides, and tilted backward in the middle; the trailer valve bracket 4 is a sheet material, the protruding parts on both sides of the upper part are at a 45-degree angle forward, the protruding part in the middle is at a 90-degree angle forward, the protruding part in the middle of the lower part is at a 30-degree angle forward, and the protruding parts on both sides of the lower part are arc-shaped forward, which are fitted and welded with the tubular connecting rod, the middle and lower parts are hollowed out, and U-shaped brackets with hollowed-out middle parts are welded on both sides of the middle.

[0032] The utility model is applicable to an airbag type front and rear suspension. By adopting a combination of two airbags and two shock absorbers in the front suspension and a combined shock absorption mode of an airbag shock absorber and a diagonal-pull shock absorber in the rear suspension, the vehicle can have a good driving feeling under various road conditions. The front suspension adopts two height valves and the rear suspension adopts one height valve to control the inflation and exhaust of the airbags. The lower supports of the front and rear suspensions all adopt a stamping and welding structure to reduce weight and reduce costs. The trailer valve bracket 4 is integrated on the rear suspension to reduce the installation time and installation cost of the main engine factory.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An airbag front and rear suspension, characterized in that: It includes a frame assembly, an airbag front suspension mechanism and an airbag rear suspension mechanism; An airbag-type front suspension mechanism is arranged at the front end of the vehicle frame assembly, and includes a front suspension left bracket arranged on the left side and a front suspension right bracket arranged on the right side, a vehicle body front wall lower cross beam is arranged above the front suspension left bracket and the front suspension right bracket, a front lateral stabilizer bar is arranged below between the front suspension left bracket and the front suspension right bracket, a front suspension height valve is arranged in the middle of the front lateral stabilizer bar, and a front suspension airbag shock absorber cooperating with the front suspension height valve is arranged on the front suspension left bracket and the front suspension right bracket; The airbag rear suspension mechanism is arranged on the left and right lower brackets at the rear end of the frame assembly, and the left and right lower brackets are provided with V-shaped brackets. The upper ends of the V-shaped brackets are connected to the two ends of the rear suspension lower cross beam. A lateral shock absorber is arranged in the middle of the rear suspension lower cross beam. The upper end of the lateral shock absorber is connected to the upper cross beam assembly. The rear suspension airbag shock absorber is arranged between the two ends of the upper cross beam assembly and the V-shaped bracket.

2. The airbag front and rear suspension according to claim 1, characterized in that: The end of the front suspension airbag shock absorber is connected to the front suspension left bracket and the front suspension right bracket through a pin shaft.

3. The airbag front and rear suspension according to claim 1, characterized in that: A height valve adjusting rod is arranged on the front overhang height valve, and rocker clips are arranged on both sides of the front lateral stabilizer bar.

4. The airbag front and rear suspension according to claim 1, characterized in that: The front suspension height valve is connected to the front suspension airbag shock absorber through the front suspension air pipe, and a pipeline tie that cooperates with the front suspension air pipe is arranged on the lower cross beam of the front wall of the vehicle body.

5. The airbag front and rear suspension according to claim 4, characterized in that: The front suspension left bracket and the front suspension right bracket are also provided with an air bag assembly connected with the front suspension height valve.

6. The airbag front and rear suspension according to claim 1, characterized in that: A left hydraulic lock is arranged on the left side of the V-shaped bracket, and a right hydraulic lock is arranged on the right side of the V-shaped bracket.

7. The airbag front and rear suspension according to claim 1, characterized in that: Height valve brackets are arranged at both ends of the V-shaped bracket, and a rear suspension height valve cooperating with a rear suspension airbag shock absorber is arranged on the height valve bracket.

8. The airbag front and rear suspension according to claim 1, characterized in that: A transition connection bracket is arranged on the rear suspension lower cross beam, and a trailer valve bracket assembly is arranged on the transition connection bracket.

Images