CN215793049U

CN215793049U - Suspension system

Info

Publication number: CN215793049U
Application number: CN202121726072.6U
Authority: CN
Inventors: 金珂; 郭中元; 黄建勇; 方胜建; 陈琴; 金晓东
Original assignee: Zhejiang Kangdi Technology Group Co ltd
Current assignee: Zhejiang Kangdi Technology Group Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-11
Anticipated expiration: 2031-07-27

Abstract

The utility model provides a suspension system, and belongs to the technical field of vehicle frames. It has solved the problem that current suspension system exists. The suspension system comprises a fixed frame and four groups of suspensions arranged on the fixed frame, wherein each suspension comprises a steering knuckle, an upper fork arm, a shock absorber, a damping spring and a lower fork arm, an intermediate connecting part of the lower fork arm is provided with a sunken part sunken downwards, a supporting seat is fixedly arranged on the sunken part, the lower end of the shock absorber is rotatably connected with the supporting seat through a rotating shaft, the shock absorber can rotate around the rotating shaft, two support legs of the lower fork arm are rotatably connected with the lower side of the fixed frame, a limiting part used for preventing the lower fork arm from rotating around the fixed frame in a circumferential direction and rotating at an overlarge rotation angle is further arranged on the fixed frame, each suspension corresponds to one limiting part, the limiting part is columnar, and the end part of the limiting part faces the lower fork arm support leg and is arranged on a path of the lower fork arm around the fixed frame in the circumferential direction. The utility model has small occupied area, is durable and is not easy to damage.

Description

Suspension system

Technical Field

The utility model belongs to the technical field of vehicle frames, and particularly relates to a suspension system.

Background

Pickup is an important component of the automotive market. The car is a car with an open wagon carriage, which adopts a car head and a cab. Its advantages are high comfortableness, no loss of power, and high load-bearing power. The most common pickup type is a double-row seat pickup. The pickup card can be used as a special vehicle, a multi-purpose vehicle, a public service vehicle, a business vehicle, a household vehicle, a cargo carrying vehicle, a tour vehicle, a taxi vehicle and the like.

Automotive suspensions are devices that elastically couple the frame to the axle of an automobile. It is generally composed of elastic element, guide mechanism and shock absorber, and is mainly aimed at relaxing the impact transferred from uneven road surface to vehicle frame so as to raise the comfortability of riding.

The existing suspension system has the problems of overlarge suspension height, large volume and excessive occupied area; there is also a problem that the lower yoke is easily damaged due to an excessively large deflection angle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the existing suspension system and provide a suspension system with small volume.

The purpose of the utility model can be realized by the following technical scheme:

a suspension system is characterized by comprising a fixed frame and four groups of suspensions arranged on the fixed frame, wherein the four groups of suspensions are arranged in a rectangular shape, each suspension comprises a steering knuckle, an upper fork arm, a shock absorber, a damping spring and a lower fork arm, the steering knuckle is fixedly arranged on the upper side of the fixed frame, the upper end of the shock absorber is connected with the steering knuckle, the lower end of the shock absorber is rotatably connected with the lower fork arm, the shock absorber is sleeved with the damping spring, the lower fork arm is integrally U-shaped and comprises two support legs and an intermediate connecting part for connecting the two support legs, the intermediate connecting part of the lower fork arm is provided with a downward sunken part, a supporting seat is fixedly arranged on the sunken part, the lower end of the shock absorber is rotatably connected with the supporting seat through a rotating shaft, the shock absorber can rotate around the rotating shaft, the two support legs of the lower fork arm are both rotatably connected with the lower side of the fixed frame, the lower fork arm can rotate around the fixed frame in the circumferential direction, a limiting part for preventing the lower fork arm from rotating around the fixed frame from rotating too large angle, each suspension corresponds to a limiting piece, the limiting piece is columnar, and the end of the limiting piece faces the lower fork arm supporting leg and is arranged on a path of the lower fork arm rotating around the fixed frame in the circumferential direction.

In the suspension system, the upper yoke is U-shaped and includes a left fork and a right fork, the knuckle is disposed between the left fork and the right fork, and the upper yoke is rotatably connected to the knuckle through a connecting shaft.

In the above suspension system, the fixing frame includes a rectangular frame surrounded by two long rods and two short rods, the suspensions are arranged on the long rods through steering knuckles, two suspensions are arranged on each long rod, and the suspension on one long rod and the suspension on the other long rod are arranged in mirror symmetry.

In the suspension system, the lower side of the fixing frame is also fixedly provided with four crosspieces parallel to the short rods, two ends of each crosspiece are respectively provided with a connecting seat capable of being rotatably connected with the lower fork arm supporting legs, and the symmetrical lower fork arm supporting legs of the symmetrical suspensions on the two long rods are respectively rotatably connected with the connecting seats at two ends of the same crosspiece.

In the suspension system, the limiting member corresponds to one of the legs on the lower yoke of the suspension, and a reinforcing plate is disposed at a position of the leg corresponding to the limiting member, and the reinforcing plate can prevent the leg from being deformed by the limiting member due to impact.

Compared with the prior art, the utility model has the following beneficial effects:

1. the lower fork arm is provided with the concave part for fixing the supporting seat, so that the height of the suspension can be reduced, and the size of the suspension system is smaller.

2. Each suspension corresponds to a limiting piece, so that the lower fork arm can be prevented from being damaged easily due to overlarge deflection rotation angle.

Drawings

FIG. 1 is a schematic structural view of a suspension system;

fig. 2 is a structural view of the suspension.

As shown in figure, 1, fixing frame; 2. a suspension; 3. a long rod; 4. a short bar; 5. a knuckle; 6. an upper yoke; 7. a shock absorber; 8. a damping spring; 9. a lower yoke; 10. a support leg; 11. an intermediate connecting portion; 12. a recessed portion; 13. a supporting seat; 14. a rotating shaft; 15. a crosspiece; 16. a connecting seat; 17. a left fork; 18. a right fork; 19. a limiting member; 20. and a reinforcing sheet.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a suspension 2 system comprises a fixed frame 1 and four groups of suspensions 2 arranged on the fixed frame 1, wherein the fixed frame 1 comprises a rectangular frame enclosed by two long rods 3 and two short rods 4, each long rod 3 is provided with two suspensions 2, the suspensions 2 on one long rod 3 and the suspensions 2 on the other long rod 3 are arranged in a mirror symmetry manner, and the four groups of suspensions 2 are arranged in a rectangular shape.

As shown in fig. 2, the suspension 2 includes a knuckle 5, an upper yoke 6, a damper 7, a damping spring 8 and a lower yoke 9, the knuckle 5 is fixedly arranged on the upper side of the long rod 3 of the fixed frame 1, the suspension 2 is arranged on the long rod 3 through the knuckle 5, the upper end of the damper 7 is connected with the knuckle 5, the lower end of the damper is rotatably connected with the lower yoke 9, and the damping spring 8 is sleeved outside the damper 7.

The lower yoke 9 is integrally U-shaped and comprises two support legs 10 and an intermediate connecting part 11 connected with the two support legs 10, the intermediate connecting part 11 of the lower yoke 9 is provided with a downward sunken depressed part 12, a supporting seat 13 is fixedly arranged on the depressed part 12, the lower end of the shock absorber 7 is rotatably connected with the supporting seat 13 through a rotating shaft 14, and the shock absorber 7 can rotate around the rotating shaft 14. The lower side of the fixing frame is also fixedly provided with four crosspieces 15 parallel to the short rods 4, two ends of each crosspiece 15 are respectively provided with a connecting seat 16 which can be rotatably connected with the lower fork arm 9 supporting feet 10, and the symmetrical lower fork arm 9 supporting feet 10 of the upper symmetrical suspension frames 2 on the two long rods 3 are respectively rotatably connected with the connecting seats 16 at two ends of the same crosspiece 15. The lower yoke 9 is rotatable circumferentially around the fixed frame 1.

The upper fork arm 6 is U-shaped and comprises a left fork 17 and a right fork 18, the steering knuckle 5 is arranged between the left fork 17 and the right fork 18, and the upper fork arm 6 is rotatably connected with the steering knuckle 5 through a connecting shaft.

The fixed frame 1 is further provided with a limiting member 19 for preventing the lower yoke 9 from rotating around the fixed frame 1 in the circumferential direction by too large a rotation angle, each suspension 2 corresponds to one limiting member 19, the limiting member 19 is cylindrical, and the end of the limiting member 19 faces the leg 10 of the lower yoke 9 and is on the path of the lower yoke 9 rotating around the fixed frame 1 in the circumferential direction. The limiting member 19 corresponds to one of the legs 10 of the lower yoke 9 of the suspension 2, and a reinforcing plate 20 is disposed at a position of the leg 10 corresponding to the limiting member 19, wherein the reinforcing plate 20 can prevent the leg 10 from being deformed by the limiting member 19.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended sense, i.e., in a sense equivalent to "including at least … …", and not in a closed sense, i.e., in a sense not to be interpreted as "including only … …".

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A suspension system is characterized by comprising a fixed frame (1) and four groups of suspensions (2) arranged on the fixed frame (1), wherein the four groups of suspensions (2) are arranged in a rectangular shape, each suspension (2) comprises a steering knuckle (5), an upper fork arm (6), a shock absorber (7), a damping spring (8) and a lower fork arm (9), the steering knuckles (5) are fixedly arranged on the upper side of the fixed frame (1), the upper ends of the shock absorbers (7) are connected with the steering knuckles (5), the lower ends of the shock absorbers are rotatably connected with the lower fork arms (9), the damping springs (8) are sleeved outside the shock absorbers (7), the lower fork arms (9) are integrally U-shaped and comprise two support legs (10) and a middle connecting part (11) for connecting the two support legs (10), the middle connecting part (11) of the lower fork arms (9) is provided with a concave part (12) which is concave downwards, and the supporting seats (13) are fixedly arranged on the concave parts (12), the lower extreme of bumper shock absorber (7) is connected through a pivot (14) and supporting seat (13) rotation, and bumper shock absorber (7) can rotate round pivot (14), and two stabilizer blades (10) of lower yoke (9) all rotate with fixed frame (1) downside and be connected, and lower yoke (9) can rotate round fixed frame (1) circumferential direction, still is provided with on fixed frame (1) to be used for preventing down yoke (9) round fixed frame (1) circumferential direction rotation corner oversize locating part (19), and every suspension (2) all corresponds a locating part (19), locating part (19) are the column locating part, and the tip of locating part (19) is towards lower yoke (9) stabilizer blade (10) and under on yoke (9) round fixed frame (1) circumferential direction's route.

2. A suspension system according to claim 1, characterized in that the upper yoke (6) is U-shaped comprising a left fork (17) and a right fork (18), the knuckle (5) being arranged between the left fork (17) and the right fork (18), the upper yoke (6) being rotatably connected to the knuckle (5) by means of a connecting shaft.

3. A suspension system according to claim 1, characterized in that the fixed frame (1) comprises a rectangular frame enclosed by two long rods (3) and two short rods (4), the above-mentioned suspensions (2) being arranged on the long rods (3) by means of steering knuckles (5), two suspensions (2) being arranged on each long rod (3), the suspensions (2) on one long rod (3) being arranged in mirror symmetry with the suspensions (2) on the other long rod (3).

4. A suspension system according to claim 3, characterized in that the underside of the fixed frame is fixedly provided with four crosspieces (15) parallel to the short bars (4), the two ends of the crosspiece (15) are provided with connecting seats (16) capable of being rotatably connected with the support legs (10) of the lower yoke (9), and the support legs (10) of the symmetrical lower yoke (9) of the symmetrical suspension (2) on the two long bars (3) are rotatably connected with the connecting seats (16) at the two ends of the same crosspiece (15).

5. A suspension system according to claim 1, wherein the stop (19) corresponds to one of the legs (10) of the lower yoke (9) of the suspension (2), and wherein the leg (10) is provided with a reinforcement (20) at a position corresponding to the stop (19), said reinforcement (20) preventing the leg (10) from deforming under impact with the stop (19).