CN116198645A - Shock absorbing system, front suspension and two-wheel vehicle for two-wheel vehicle - Google Patents

Abstract

The present application provides a shock absorption system, a front suspension and a two-wheel vehicle for a two-wheel vehicle. The damping system includes a shock absorber and a multi-swing arm mechanism located in the same plane, the first end, the second end of the multi-swing arm mechanism and the shock absorber are all hinged with the front fork cylinder of the two-wheeled vehicle, and the multi-swing arm mechanism The two swing arms in the are respectively hinged with the shock absorber and the rotating shaft of the wheel of the two-wheeled vehicle. In this shock absorption system, when the wheels of the two-wheeled vehicle are impacted, they will jump, and the multi-swing arm mechanism will drive the shock absorber to rotate, that is, the axis angle of the shock absorber is variable, so that the shock absorber can absorb and filter The multi-directional vibration is not only the axial vibration of the front fork cylinder of the vehicle; by setting the shock absorber and the multi-swing arm mechanism in the same plane, the swing arms in the multi-swing arm mechanism can not interfere with each other when rotating, It also enables the shock absorber to rotate smoothly under the drive of the multi-swing arm mechanism, which ensures that the shock absorber can effectively absorb and filter multi-directional vibrations.

Description

Shock absorbing system, front suspension and two-wheel vehicle for two-wheel vehicle

technical field

The present application relates to the technical field of vehicles, in particular to a shock absorption system for a two-wheeled vehicle, a front suspension and the two-wheeled vehicle.

Background technique

As an important part of the front of the two-wheeled electric vehicle, the front suspension is not only used to support the weight of the front part of the vehicle, but also can slow down the impact and vibration caused by uneven roads and bumpy roads when the vehicle is running, mainly including the front fork tube with wheels. The front suspension usually adopts a hydraulic shock absorbing system to realize the shock absorbing effect on the vehicle. The hydraulic shock absorbing system mainly consists of the handle tube of the front fork barrel, the aluminum barrel and the shock absorbing spring in the barrel, hydraulic oil, piston rod, Valve system and other components. When the wheel is impacted, the handle tube performs axial telescopic movement in the aluminum cylinder, which can only absorb the vibration in the axial direction, resulting in a mediocre shock absorption effect.

Contents of the invention

Based on this, it is necessary to provide a shock absorption system, a front suspension and a two-wheeled vehicle for the general problem of the above-mentioned two-wheeled electric car's front suspension shock-absorbing effect.

A shock absorption system for a two-wheeled vehicle, comprising a shock absorber and a multi-swing arm mechanism located in the same plane, the multi-swing arm mechanism has a first end and a second end, the first end of the multi-swing arm mechanism One end, the second end and the shock absorber are all hinged with the front fork tube of the two-wheeled vehicle, and the two swing arms in the multi-swing arm mechanism are connected with the shock absorber and the two-wheeled vehicle respectively. The pivot hinge on the wheel.

In one of the embodiments, the number of swing arms of the multi-swing arm mechanism is greater than or equal to three.

In one of the embodiments, the multi-swing arm mechanism includes a first swing arm, a second swing arm and a third swing arm hinged in sequence, and the end of the first swing arm far away from the second swing arm is connected to The front fork tube is hinged, the middle part of the first swing arm is hinged with the shock absorber, the middle part of the second swing arm is hinged with the wheel, and the third swing arm is far away from the second swing arm. The ends of the arms are hinged to the front fork barrel.

In one of the embodiments, the first swing arm is located above the third swing arm.

In one embodiment, the first swing arm is bent along a direction away from the third swing arm; and/or, the third swing arm is bent along a direction away from the first swing arm; and /or, the second swing arm is bent towards the front fork tube.

In one of the embodiments, each swing arm of the multi-swing arm mechanism is a hollow structure.

In one of the embodiments, the stress concentration area of each swing arm of the multi-swing arm mechanism is provided with reinforcing ribs and/or rounded corners.

In one of the embodiments, the shock absorber includes: a piston rod, a mount and an elastically deformable shock absorber;

The first end of the piston rod is hinged to the front fork barrel, the second end of the piston rod is slidably arranged in the mounting seat, and the first end and the second end of the piston rod are oppositely arranged; The mounting base is hinged to the multi-swing arm mechanism; the shock absorbing element abuts against the piston rod and the mounting base.

The above-mentioned damping mechanism used for two-wheeled vehicles will jump when the wheels of the two-wheeled vehicle are impacted, and the swing arms hinged with the wheels in the multi-swing arm mechanism will also jump synchronously, and the swing arms will drive other swing arms. Rotation, and then drives the shock absorber to rotate, that is, the axis angle of the shock absorber is variable, so that the shock absorber can absorb and filter multi-directional vibrations, not only the axial vibration of the front fork cylinder of the vehicle, but also can greatly Provide the riding comfort of the vehicle; in addition, by arranging the shock absorber and the multi-swing arm mechanism in the same plane, the swing arms in the multi-swing arm mechanism can not interfere with each other when rotating, and the shock absorber can also Driven by the multi-swing arm mechanism, it can rotate smoothly, thereby ensuring that the shock absorber can effectively absorb and filter multi-directional vibrations. It should be noted that the axis angle of the shock absorber refers to the angle between the axis of the shock absorber and the axis of the front fork cylinder.

A front suspension for a two-wheeled vehicle, comprising a front fork tube, a wheel and a shock absorbing system as described in any one of the above;

The shock absorber of the shock absorption system is hinged to the front fork cylinder, and the multi-swing arm mechanism of the shock absorption system is hinged to the front fork cylinder and the wheel.

In one of the embodiments, the number of the damping systems is 2, and the 2 damping systems are arranged on both sides of the radial direction of the wheel, and each of the damping systems is connected to the wheel, the corresponding The front fork barrel is hinged.

The above-mentioned front suspension used for two-wheeled vehicles, when the wheels of the two-wheeled vehicle are impacted, will jump, and the swing arms hinged with the wheels in the multi-swing arm mechanism will also jump synchronously, and this swing arm will drive other swing arms. Rotation, and then drives the shock absorber to rotate, that is, the axis angle of the shock absorber is variable, so that the shock absorber can absorb and filter multi-directional vibrations, not only the axial vibration of the front fork cylinder of the vehicle, but also can greatly Provide the riding comfort of the vehicle; in addition, by arranging the shock absorber and the multi-swing arm mechanism in the same plane, the swing arms in the multi-swing arm mechanism can not interfere with each other when rotating, and the shock absorber can also Driven by the multi-swing arm mechanism, it can rotate smoothly, thereby ensuring that the shock absorber can effectively absorb and filter multi-directional vibrations. It should be noted that the axis angle of the shock absorber refers to the angle between the axis of the shock absorber and the axis of the front fork cylinder.

A two-wheeled vehicle, the two-wheeled vehicle includes a handlebar and the above-mentioned front suspension, the front fork tube of the front suspension is connected to the handlebar through a connecting plate.

For the above-mentioned two-wheeled vehicle, when the wheels are impacted, they will jump, and the swing arms hinged with the wheels in the multi-swing arm mechanism will also jump synchronously, and the swing arms will drive other swing arms to rotate, and then drive the shock absorber to rotate, that is, The axis angle of the shock absorber is variable, so that the shock absorber can absorb and filter multi-directional vibrations, not just the vibration in the axial direction of the front fork cylinder of the vehicle, which can greatly improve the riding comfort of the vehicle; in addition, By arranging the shock absorber and the multi-swing arm mechanism in the same plane, the swing arms in the multi-swing arm mechanism will not interfere with each other when rotating, and the shock absorber can be driven by the multi-swing arm mechanism smoothly. The ground rotation ensures that the shock absorber can effectively absorb and filter multi-directional vibrations. It should be noted that the axis angle of the shock absorber refers to the angle between the axis of the shock absorber and the axis of the front fork cylinder.

Description of drawings

Fig. 1 is a side view of a front suspension for a two-wheeled vehicle provided by an embodiment of the present application.

Fig. 2 is a front view of a front suspension for a two-wheeled vehicle provided by an embodiment of the present application.

Fig. 3 is a top view of a front suspension for a two-wheeled vehicle provided by an embodiment of the present application.

Wherein, the label description in the accompanying drawings is as follows:

10. Damping system; 100. Shock absorber; 110. Piston rod; 111. First limiter; 112. Second ear plate; 120. Mounting seat; 121. Second limiter; 130. Shock absorbing element ; 200, multi-swing arm mechanism; 210, the first swing arm; 220, the second swing arm; 230, the third swing arm; 20, the front fork tube; 20a, the first lug plate; ; 40, joint plate.

Detailed ways

In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

In the description of the present application, it should be understood that if any of these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", " Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the application.

In addition, if these terms "first" and "second" appear, these terms are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

In this application, unless otherwise clearly specified and limited, if any terms such as "mounted", "connected", "connected" and "fixed" appear, these terms should be interpreted in a broad sense. For example, it can be a fixed connection, or a detachable connection, or integrated; it can be a mechanical connection, or it can be an electrical connection; it can be a direct connection or an indirect connection through an intermediary, or it can be the internal communication of two components Or the interaction relationship between two elements, unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise clearly specified and limited, if there is a similar description that the first feature is "on" or "under" the second feature, the meaning may be that the first and second features are in direct contact, or The first and second features are in indirect contact through an intermediary. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

It should be noted that, if an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions are used for purposes of illustration only and are not intended to be exclusive implementation.

As an important part of the front of the two-wheeled electric vehicle, the front suspension is not only used to support the weight of the front part of the vehicle, but also can slow down the impact and vibration caused by uneven roads and bumpy roads when the vehicle is running, mainly including the front fork tube with wheels. The front suspension usually adopts a hydraulic shock absorbing system to realize the shock absorbing effect on the vehicle. The hydraulic shock absorbing system mainly consists of the handle tube of the front fork barrel, the aluminum barrel and the shock absorbing spring in the barrel, hydraulic oil, piston rod, Valve system and other components. When the wheel is impacted, the handle tube does axial telescopic movement in the aluminum cylinder, which can only absorb the vibration in the axial direction, resulting in poor shock absorption effect.

In this regard, referring to FIG. 1 , an embodiment of the present application provides a shock absorber system 10 for a two-wheeled vehicle, the shock absorber system 10 includes a multi-swing arm mechanism 200 and a shock absorber 100 located in the same plane; The multi-swing arm mechanism 200 has a first end and a second end. The first end, the second end and the shock absorber 100 of the multi-swing arm mechanism 200 are all hinged with the front fork cylinder 20 of the two-wheeled vehicle. In the multi-swing arm mechanism 200 The two swing arms are respectively hinged with the shock absorber 100 and the rotating shaft on the wheel 30 of the two-wheeled vehicle.

The above shock absorption system 10 is suitable for the front suspension of two-wheeled vehicles, wherein the two-wheeled vehicles may include but not limited to electric vehicles and bicycles.

The above-mentioned damping system 10, when the wheel 30 of the two-wheeled vehicle will jump when it is impacted, the swing arm hinged with the wheel 30 in the multi-swing arm mechanism 200 will also jump synchronously thereupon, and the swing arm will drive other swing arms. Rotate, and then drive the shock absorber 100 to rotate, that is, the axis angle of the shock absorber 100 is variable, so that the shock absorber 100 can absorb and filter vibrations in multiple directions, not just the axial direction of the front fork cylinder 20 of the vehicle Vibration can greatly provide the riding comfort of the vehicle; in addition, by arranging the shock absorber 100 and the multi-swing arm mechanism 200 in the same plane, it is possible to make each swing arm in the multi-swing arm mechanism 200 not interact with each other when rotating. Interference can also enable the shock absorber 100 to rotate smoothly under the drive of the multi-swing arm mechanism 200 , thereby ensuring that the shock absorber 100 can effectively absorb and filter multi-directional vibrations.

It should be noted that the axis angle of the shock absorber 100 refers to the angle between the axis of the shock absorber 100 and the axis of the front fork cylinder 20 .

In some embodiments of the present application, the number of swing arms of the multi-swing arm mechanism 200 is greater than or equal to 3, such as 3, 4, 5 or more, so that the shock absorber 100 can absorb X, Y The vibration in the three directions of , Z can effectively improve the riding comfort of the vehicle.

Further, referring to FIG. 1 , in some embodiments of the present application, the multi-swing arm mechanism 200 includes a first swing arm 210 , a second swing arm 220 , and a third swing arm 230 articulated in sequence, and the distance between the first swing arm 210 The end of the second swing arm 220 is hinged to the front fork tube 20, the middle of the first swing arm 210 is hinged to the shock absorber 100, the middle of the second swing arm 220 is hinged to the wheel 30, and the third swing arm 230 is far away from the second swing arm. The end of the swing arm 220 is hinged to the front fork barrel 20 . The number of swing arms of the multi-swing arm mechanism 200 is three, which not only enables the shock absorber 100 to absorb vibrations in X, Y, and Z directions, but also simplifies the structure of the multi-swing arm mechanism 200 . It should be noted that the middle part of the first swing arm 210 refers to the part between the two ends of the first swing arm 210 , and the middle part of the second swing arm 220 refers to the part between the two ends of the second swing arm 220 . It can be understood that, the end of the first swing arm 210 away from the second swing arm 220 constitutes the first end of the multi-swing arm mechanism 200 , and the end of the third swing arm 230 far away from the second swing arm 220 constitutes the multi-swing arm mechanism 200 . The second end of the swing arm mechanism 200 .

Referring to FIG. 1 , the above-mentioned first swing arm 210 may be located above the third swing arm 230 . In this way, the shock absorber 100 can be arranged outside the area surrounded by the multi-swing arm mechanism 200 and the front fork cylinder 20, the size of the multi-swing arm mechanism 200 can be reduced, and the weight of the multi-swing arm mechanism 200 can be reduced. The amount of space occupied. It can be understood that, the upper end of the shock absorber 100, the end of the first swing arm 210 away from the second swing arm 220, and the end of the third swing arm 230 away from the second swing arm 220 are sequentially aligned with the front end from top to bottom. The fork cylinder 20 is hinged.

Optionally, referring to FIG. 1 , three sets of first lugs 20 a may be arranged at intervals in the axial direction on the front fork cylinder 20 , and each set of first lugs 20 a is connected to the shock absorber 100 , the first swing arm 210 or The third swing arm 230 is hinged. The number of first lugs 20a of each group of first lugs 20a is 2, and the two first lugs 20a are distributed along the circumference of the front fork cylinder 20 at intervals, and each first lug 20a is provided with a The through hole through which the shaft passes. Wherein, an assembly seat 20b may be provided at the opening of the lower end of the front fork cylinder 20, and the assembly seat 20b is hinged to the third swing arm 230 through the corresponding first ear plate 20a.

Referring to FIG. 1 , the above-mentioned first swing arm 210 can bend in a direction away from the third swing arm 230 , that is, the first swing arm 210 bends upward. In this way, when the wheel 30 of the vehicle encounters an obstacle and bumps upward, the first swing arm 210 can effectively jump upward, so that the shock absorber 100 can effectively absorb the vibration in this direction.

Referring to FIG. 1 , the third swing arm 230 can be bent in a direction away from the first swing arm 210 , that is, the third swing arm 230 is bent downward. In this way, when the wheel 30 of the vehicle bumps downward through the gutter, the third swing arm 230 can effectively jump downward, so that the shock absorber 100 can effectively absorb the vibration in this direction.

Referring to FIG. 1 , the above-mentioned second swing arm 220 is bent toward the front fork cylinder 20 . Such setting can facilitate the circular movement of the first swing arm 210 and the third swing arm 230 .

In some embodiments of the present application, referring to FIG. 1 , each swing arm of the multi-swing arm mechanism 200 is a hollow structure. Such setting can reduce the weight of the multi-oscillating arm mechanism 200 and also reduce the cost of the vehicle. As an example, the first swing arm 210 , the second swing arm 220 and the third swing arm 230 of the multi-swing arm mechanism 200 are all configured as hollow structures.

Each swing arm of the above-mentioned multi-swing arm mechanism 200 may form a hollow structure by digging holes.

In some embodiments of the present application, the stress concentration area of each swing arm of the multi-swing arm mechanism 200 is provided with reinforcing ribs and/or rounded corners. By setting ribs or rounded corners, the strength of the stress concentration area of each swing arm can be ensured, and the service life of the shock absorbing system 10 can be extended. The stress concentration area of each swing arm can be simulated and calculated by corresponding simulation software. As an example, the stress concentration areas of the first swing arm 210 , the second swing arm 220 and the third swing arm 230 of the multi-swing arm mechanism 200 are all provided with reinforcing ribs and/or rounded corners.

In some embodiments of the present application, referring to FIG. 1 , the shock absorber 100 includes: a piston rod 110, a mount 120 and an elastically deformable shock absorbing element 130; the first end of the piston rod 110 is hinged to the front fork barrel 20, The second end of the piston rod 110 is slidably arranged in the mounting seat 120, and the first end and the second end of the piston rod 110 are arranged oppositely; the mounting seat 120 is hinged with the multi-swing arm mechanism 200; , The mounting seat 120 abuts. Compared with the hydraulic shock absorber, the shock absorber 100 of the present application has a simple structure, which can reduce the cost and weight of the shock absorber system 10 .

The above-mentioned damping element 130 may be a spring. Referring to Fig. 1, the first end of the piston rod 110 can be provided with a first limiter 111, and the mounting seat 120 is provided with a second limiter 121, the spring is sleeved on the piston rod 110, the outside of the mounting seat 120 and the spring The first end abuts against the first limiting platform 111 , and the second end abuts against the second limiting platform 121 . Wherein, referring to FIG. 1 , a second lug plate 112 is provided on the first limiting platform 111 , and the second lug plate 112 is hinged to the corresponding first lug plate 20 a on the front fork cylinder 20 through a pin shaft.

Referring to Fig. 1, another embodiment of the present application provides a kind of front suspension that is used for two-wheel vehicle, and this front suspension comprises front fork cylinder 20, wheel 30 and damping system 10 as any one of above-mentioned The shock absorber 100 of the shock absorption system 10 is hinged with the front fork cylinder 20, and the multi-swing arm mechanism 200 of the shock absorption system 10 is hinged with the front fork cylinder 20 and the wheel 30.

The above-mentioned front suspension is applicable to two-wheel vehicles, wherein the two-wheel vehicles may include but not limited to electric vehicles and bicycles.

For the above-mentioned front suspension, when the wheel 30 of the two-wheeled vehicle is impacted, it will jump, and the swing arm hinged with the wheel 30 in the multi-swing arm mechanism 200 will also jump synchronously, and the swing arm will drive other swing arms to rotate. Drive the shock absorber 100 to rotate, that is, the axis angle of the shock absorber 100 is variable, so that the shock absorber 100 can absorb and filter vibrations in multiple directions, not only the vibration in the axial direction of the front fork cylinder 20 of the vehicle, but also a large In addition, by setting the shock absorber 100 and the multi-swing arm mechanism 200 in the same plane, the swing arms in the multi-swing arm mechanism 200 can not interfere with each other when rotating, and can also make The shock absorber 100 can rotate smoothly under the drive of the multi-swing arm mechanism 200, thereby ensuring that the shock absorber 100 can effectively absorb and filter vibrations in multiple directions.

It should be noted that the axis angle of the shock absorber 100 refers to the angle between the axis of the shock absorber 100 and the axis of the front fork cylinder 20 .

Referring to Fig. 2 and Fig. 3, in some embodiments of the present application, the quantity of damping system 10 is 2, and 2 damping systems 10 are arranged on the both sides of wheel 30 radial direction, and each damping system 10 and wheel 30. The corresponding front fork cylinder 20 is hinged. In this way, the shock absorption effect of the vehicle can be guaranteed. It can be understood that, referring to FIG. 2 and FIG. 3 , the number of front fork tubes 20 is also two, and these two front fork tubes 20 are also arranged on both sides of the wheel 30 in the radial direction.

Another embodiment of the present application also provides a two-wheeled vehicle, which includes a handlebar and the above-mentioned front suspension, and the front fork tube 20 of the front suspension is connected to the handlebar through a connecting plate 40 .

The above-mentioned two-wheel vehicles may include but not limited to electric vehicles and bicycles.

For the above-mentioned two-wheeled vehicle, when the wheel 30 is impacted, it will jump, and the swing arm hinged with the wheel 30 in the multi-swing arm mechanism 200 will also jump synchronously, and the swing arm will drive other swing arms to rotate, and then drive the shock absorber. 100 rotation, that is, the axis angle of the shock absorber 100 is variable, so that the shock absorber 100 can absorb and filter vibrations in multiple directions, not just the vibration in the axial direction of the front fork cylinder 20 of the vehicle, which can greatly improve the ride quality of the vehicle. In addition, by setting the shock absorber 100 and the multi-swing arm mechanism 200 in the same plane, the swing arms in the multi-swing arm mechanism 200 can not interfere with each other when rotating, and the shock absorber 100 can also be made Driven by the multi-swing arm mechanism 200, it can rotate smoothly, thereby ensuring that the shock absorber 100 can effectively absorb and filter vibrations in multiple directions.

It should be noted that the axis angle of the shock absorber 100 refers to the angle between the axis of the shock absorber 100 and the axis of the front fork cylinder 20 .

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on the appended claims.

Claims (11)

1. A damping system for a two-wheeled vehicle, characterized in that it comprises a shock absorber (100) and a multi-swing arm mechanism (200) located in the same plane, and the multi-swing arm mechanism (200) has a first One end, the second end, the first end, the second end of the multi-swing arm mechanism (200) and the shock absorber (100) are all hinged to the front fork cylinder (20) of the two-wheeled vehicle, so The two swing arms in the multi-swing arm mechanism (200) are respectively hinged to the shock absorber (100) and the rotating shafts on the wheels (30) of the two-wheeled vehicle. 2. The shock absorption system according to claim 1, characterized in that, the number of swing arms of the multi-swing arm mechanism (200) is greater than or equal to three. 3. The shock absorption system according to claim 2, characterized in that, the multi-swing arm mechanism (200) comprises a first swing arm (210), a second swing arm (220) and a third swing arm hinged in sequence (230), the end of the first swing arm (210) away from the second swing arm (220) is hinged to the front fork cylinder (20), and the middle part of the first swing arm (210) is connected to The shock absorber (100) is hinged, the middle part of the second swing arm (220) is hinged with the wheel (30), and the third swing arm (230) is far away from the second swing arm (220) The end of the fork is hinged with the front fork barrel (20). 4. The shock absorption system according to Claim 3, characterized in that, the first swing arm (210) is located above the third swing arm (230). 5. The shock absorption system according to claim 3, characterized in that, the first swing arm (210) is bent along a direction away from the third swing arm (230); and/or, the third swing arm (230) is bent; The swing arm (230) is bent along a direction away from the first swing arm (210); and/or, the second swing arm (220) is bent toward the front fork cylinder (20). 6. The shock absorption system according to any one of claims 1 to 5, characterized in that each swing arm of the multi-swing arm mechanism (200) is a hollow structure. 7. The shock absorption system according to any one of claims 1 to 5, characterized in that, the stress concentration area of each swing arm of the multi-swing arm mechanism (200) is provided with reinforcing ribs and/or rounded corners. 8. The shock absorption system according to any one of claims 1 to 5, characterized in that, the shock absorber (100) comprises: a piston rod (110), a mount (120) and an elastically deformable shock absorber element(130); The first end of the piston rod (110) is hinged with the front fork barrel (20), the second end of the piston rod (110) is slidably arranged in the installation seat (120), and the piston The first end and the second end of the rod (110) are oppositely arranged; the mounting seat (120) is hinged to the multi-swing arm mechanism (200); the shock absorbing element (130) is connected to the piston rod (110) , The mounting seat (120) abuts against. 9. A front suspension for a two-wheeled vehicle, characterized in that it comprises a front fork (20), a wheel (30) and the damping system (10) according to any one of claims 1 to 8; The shock absorber (100) of the shock absorption system (10) is hinged to the front fork cylinder (20), and the multi-swing arm mechanism (200) of the shock absorption system (10) is connected to the front fork cylinder (20) ), the wheels (30) are hinged. 10. The front suspension according to claim 9, characterized in that, the number of the shock absorbing systems (10) is two, and the two shock absorbing systems (10) are arranged on the diameter of the wheel (30). Each of the damping systems (10) is hinged to the wheels (30) and the corresponding front fork tubes (20) on both sides. 11. A two-wheeled vehicle, characterized in that the two-wheeled vehicle comprises handlebars and the front suspension according to claim 9 or 10, the front fork tube (20) of the front suspension passes through the connecting plate ( 40) Connect with the handlebar.

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