CN211222943U - Suspension assembly - Google Patents

Abstract

The utility model discloses a suspension assembly. The suspension assembly includes: the plate spring comprises a single plate body which is a glass fiber plate; a first mounting member mounted to an end of the monolithic plate body; a second mounting member mounted between the two ends of the monolithic plate body. The utility model provides a suspension assembly has reduced the leaf spring wearing and tearing, has prolonged the life of leaf spring, has reduced the abnormal sound of leaf spring, has alleviateed the vehicle dead weight, has improved the travelling comfort by bus.

Description

Suspension assembly

Technical Field

The utility model relates to a vehicle parts technical field especially relates to a suspension assembly.

Background

The suspension is one of important parts on the vehicle, can elastically connect the vehicle frame and the axle, transmit force and moment acting between the vehicle frame and the wheels, buffer impact load transmitted to the vehicle frame due to the undulation of the road surface, reduce the vibration of a bearing system caused by the impact load and ensure the normal running of the vehicle.

In the prior art, a leaf spring is an elastic element widely applied in a vehicle suspension. The traditional steel plate spring is usually formed by stacking a plurality of steel plates, and is connected to the whole vehicle through a steel plate pin during installation. The inventor discovers that the steel plate springs are impacted in the running process and can collide and wear mutually, the service life of the plate spring needs to be prolonged, abnormal sound generated by mutual collision needs to be reduced, in addition, the self weight and the rigidity of the steel plate springs are large, the light weight design of the whole vehicle needs to be optimized, and the riding comfort needs to be improved.

Therefore, it is necessary to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a suspension assembly to solve the problem that exists among the prior art, reduce the leaf spring wearing and tearing, prolong the life of leaf spring, reduce the leaf spring abnormal sound, alleviate the vehicle dead weight, improve the travelling comfort by bus.

The utility model provides a suspension assembly, include: the plate spring comprises a single plate body which is a glass fiber plate; a first mounting member mounted to an end of the monolithic plate body; a second mounting member mounted between the two ends of the monolithic plate body.

Optionally, epoxy resin is added to the glass fiber board.

Optionally, the suspension assembly further comprises an auxiliary frame, the second mounting member is an elastic inner bushing, the inner bushing is sleeved on the single plate body, a first mounting hole is formed in the inner bushing, and the inner bushing is connected to the auxiliary frame through the first mounting hole and the transverse bolt.

Optionally, the single plate body includes a protruding section, the protruding section is located between two ends of the single plate body, and distances between the protruding section and two ends of the single plate body in a direction perpendicular to the plate surface of the single plate body are both greater than zero.

Optionally, the suspension assembly further includes a knuckle, the first mounting member is an outer bushing having elasticity, a second mounting hole is formed in the outer bushing, and the outer bushing is bolted to the knuckle through the second mounting hole.

Optionally, the number of the outer bushings is two, and two ends of the single plate body are respectively mounted on the two steering knuckles through the two outer bushings.

Optionally, at least one of the inner and outer liners is a rubber liner.

Optionally, the suspension assembly further comprises a trailing arm through which the knuckle is connected to the vehicle body.

Optionally, the suspension assembly further includes an upper control arm and a lower control arm, two ends of the upper control arm are respectively bolted to the sub-frame and the knuckle, and two ends of the lower control arm are respectively bolted to the sub-frame and the knuckle.

Optionally, the suspension assembly further comprises a shock absorber connected between the lower control arm and the vehicle body.

The utility model provides a suspension assembly, through setting the leaf spring to the individual layer monolithic plate body structure, can avoid the mutual collision wearing and tearing of multilayer stack, the life of leaf spring has been prolonged, abnormal sound has been reduced, and glass fiber's dead weight is little, be favorable to the lightweight design of vehicle, fiber structure among the glass fiber board can be stretched after the atress, and the reconversion after relieving the atress, can make glass fiber board from taking damping characteristics, effectively cushion the vibration of wheel, the travelling comfort of riding is improved.

Drawings

The preferred embodiments of the present invention will hereinafter be described in detail to facilitate understanding of the objects and advantages of the invention, with reference to the accompanying drawings, in which:

figure 1 is a schematic diagram showing the results of a leaf spring in a suspension assembly according to an alternative embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a suspension assembly according to an alternative embodiment of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a front view of fig. 2.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like as referred to or as may be referred to in this specification are defined with respect to the configuration shown in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a particular component and are relative terms, and thus may be changed accordingly depending on the position and the state of use of the particular component. Therefore, these and other directional terms should not be construed as limiting terms.

As shown in fig. 1 to 4, the present invention provides a suspension assembly including a leaf spring, a first mounting member 2, and a second mounting member 3.

Referring to fig. 1 to 4, the plate spring includes a single plate body 1, and the single plate body 1 is a glass fiber plate; the first mounting piece 2 is mounted at the end part of the single plate body 1; the second mounting member 3 is mounted between the two ends of the monolithic plate body 1. In the embodiment, the single plate body 1 can be mounted on the steering knuckle 5 through the first mounting part 2 and mounted on the auxiliary frame 4 through the second mounting part 3. The single-piece plate body 1 in this embodiment can achieve different rigidity requirements by changing the thickness and width.

The utility model provides a suspension assembly, through setting the leaf spring to individual layer monolithic plate body 1 structure, can avoid the mutual collision wearing and tearing of multilayer stack, the life of leaf spring has been prolonged, abnormal sound has been reduced, and glass fiber's dead weight is little, be favorable to the lightweight design of vehicle, fiber structure among the glass fiber board can be stretched after the atress, and the reconversion after relieving the atress, can make glass fiber board from taking damping characteristics, effectively cushion the vibration of wheel, the travelling comfort of riding is improved.

Optionally, epoxy resin is added to the glass fiber board. The present embodiment may form the monolithic plate body 1 as a glass fiber reinforced epoxy resin. The specific implementation process can be as follows: the composite of the resin matrix and the glass fiber reinforcement prepared by impregnating the glass fiber reinforcement such as long fiber, cloth, tape, felt, etc. with the epoxy resin as the matrix can provide the monolithic plate body 1 with the effects of small specific gravity, high specific strength, sound insulation, and vibration reduction.

Optionally, the suspension assembly further includes an auxiliary frame 4, the second mounting member 3 is an elastic inner bushing, the inner bushing is sleeved on the single plate body 1, the inner bushing is provided with a first mounting hole 31, and the inner bushing is connected to the auxiliary frame 4 through the first mounting hole 31 by a transverse bolt. The embodiment can weaken the stress and vibration on the wheel and then transmit the force and vibration to the auxiliary frame 4, thereby being beneficial to reducing the vibration of the auxiliary frame 4 and improving the structural stability of the auxiliary frame 4. When the left side and the right side of the transversely arranged single plate body 1 move up and down in the same direction, the plate spring provides lower rigidity, supports the vehicle body connected with the auxiliary frame 4, and meets the riding comfort by combining the free movement of the multiple connecting rods; when the left side and the right side of the plate spring move in different directions up and down, the plate spring provides higher rigidity to resist the inclination of the car body, and the effect of stabilizing the posture of the car body is realized. The inner bushing can be sleeved on the single plate body 1 in an interference fit mode to improve the structural stability of the inner bushing on the single plate body 1.

Optionally, the single plate body 1 includes a protruding section 11, the protruding section 11 is located between two ends of the single plate body 1, and distances between the protruding section 11 and two ends of the single plate body 1 in a direction perpendicular to the plate surface of the single plate body 1 are both greater than zero. As shown in fig. 1, the plate surface direction of the single plate 1 is perpendicular to the Z direction, and the protruding end in this embodiment is located at the middle part of the single plate 1, so that the single plate 1 is in a compressed state, and is stretched when the height of two wheels of a vehicle is different, thereby maintaining the posture of the vehicle body, improving the maneuverability, and ensuring that the wheels move according to a normal movement track.

Optionally, the suspension assembly further includes a knuckle 5, the first mounting member 2 is an elastic outer bushing, a second mounting hole is formed in the outer bushing, and the outer bushing is bolted to the knuckle 5 through the second mounting hole. When the outer bushing in this embodiment transmits the stress and vibration on the knuckle 5 to the plate spring, the outer bushing has a damping effect on the vibration transmitted from the knuckle 5 by its own elastic buffering effect.

Optionally, the number of the outer bushings is two, and two ends of the single plate body 1 are respectively mounted on the two steering knuckles 5 through the two outer bushings. According to the embodiment, two ends of the plate spring can be respectively connected with wheels on two sides of the vehicle, so that the posture of the vehicle body can be further kept, and the riding comfort of the vehicle is improved.

Optionally, at least one of the inner and outer liners is a rubber liner. The rubber bushing has the advantages of wear resistance and easiness in forming, the service life of the inner bushing and the outer bushing can be prolonged, and the processing cost of the inner bushing and the outer bushing is reduced.

Optionally, the suspension assembly further comprises a trailing arm 6, the knuckle 5 being connected to the vehicle body by the trailing arm 6. The utility model provides a trailing arm 6 can support the automobile body, through the cushioning effect of self, reduces the vibration of automobile body simultaneously.

Optionally, the suspension assembly further includes an upper control arm 7 and a lower control arm 71, two ends of the upper control arm 7 are respectively bolted to the subframe 4 and the knuckle 5, and two ends of the lower control arm 71 are respectively bolted to the subframe 4 and the knuckle 5. The upper controller and the lower control arm 71 in this embodiment function as a guide and a transmission to transmit the driving action of the wheels to the vehicle body.

Optionally, the suspension assembly further comprises a shock absorber 8, the shock absorber 8 being connected between the lower control arm 71 and the vehicle body. The damper 8 in the present embodiment can reduce the vibration transmitted from the lower control arm 71 to the vehicle body while connecting the lower control arm 71 to the vehicle body, and assists the lower control arm 71. Wherein the damper 8 may include a spring structure disposed along a vertical direction to achieve good damping and vibration damping effects.

As shown in fig. 2 to 4, in the suspension assembly provided by the present invention, the rigidity of the inner bushing and the outer bushing in the direction X, Y is low, the rigidity in the Z direction is high, the degree of freedom in the direction X, Y is large, and the degree of freedom of the leaf spring in the direction X, Y can be increased.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A suspension assembly, comprising:

the plate spring comprises a single plate body which is a glass fiber plate;

a first mounting member mounted to an end of the monolithic plate body;

a second mounting member mounted between the two ends of the monolithic plate body.

2. The suspension assembly of claim 1, wherein the fiberglass plate is impregnated with epoxy.

3. The suspension assembly according to any one of claims 1-2, further comprising a subframe, wherein the second mounting member is an inner bushing having elasticity, the inner bushing is sleeved on the single plate, the inner bushing is provided with a first mounting hole, and the inner bushing is connected to the subframe through the first mounting hole by a transverse bolt.

4. The suspension assembly of claim 3, wherein the monolithic plate body includes a protruding section between two ends of the monolithic plate body, the protruding section being spaced from the two ends of the monolithic plate body by a distance greater than zero in a direction perpendicular to the plate surface of the monolithic plate body.

5. The suspension assembly of claim 4, further comprising a knuckle, wherein the first mounting member is a resilient outer bushing having a second mounting hole formed therein, and wherein the outer bushing is bolted to the knuckle via the second mounting hole.

6. The suspension assembly of claim 5 wherein the number of the outer bushings is two, and both ends of the single plate body are respectively mounted to the two knuckles through the two outer bushings.

7. The suspension assembly of claim 6, wherein at least one of the inner and outer bushings is a rubber bushing.

8. The suspension assembly of claim 7, further comprising a trailing arm through which the knuckle is connected to a vehicle body.

9. The suspension assembly of claim 8 further including an upper control arm bolted at each end to said subframe and said knuckle and a lower control arm bolted at each end to said subframe and said knuckle.

10. The suspension assembly of claim 9, further comprising a shock absorber connected between the lower control arm and the vehicle body.

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