Front suspension of all terrain vehicle

Abstract

The utility model provides a front suspension of a dune buggy, which comprises a damping structure, a swing arm structure and a cleat structure which are connected and cannot be separated, so that the structural stability can be ensured; one ends of the upper rocker arm and the lower rocker arm are hinged and rotated with the main frame, and the other ends rotate through the universal connector, so that the wheels can steer stably, flexibly and lightly; the adjusting nut in threaded connection with the damper can be used for adjusting the damping effect; the damping spring is connected to the lower swing arm, the telescopic space can be lengthened, and the damping effect and comfort are improved; the lower rocker arm is bent, so that the wheel end is lower, the main frame part is higher away from the ground, and the trafficability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sand buggies, in particular to a front suspension of a sand buggy. BACKGROUND

[0002] The sand buggy is a common name of all-terrain vehicle, also called "all-terrain four-wheel off-road motorcycle", which can adapt to most terrains and is not limited by terrain conditions, and has good off-road performance. The vehicle needs to adapt to various terrain environments, and the up-and-down shaking of the vehicle on the bad road is severe. The front suspension connects the frame and the front wheel. When the vehicle shakes up and down, the front suspension can slow down the impact of the front wheel to the vehicle body. Therefore, the damping performance and stability of the front suspension are required to be high. SUMMARY

[0003] In view of the existing defects, the technical problem to be solved by the utility model is to provide a front suspension of a sand buggy, which has high passability, flexible and light steering, good damping effect and high stability.

[0004] In order to achieve the above purpose, according to one aspect of the utility model, the utility model is realized through the following technical measures: a front suspension of a sand buggy, comprising a damping structure, a swing arm structure and a horn structure, the damping structure comprises a shock absorber and a damping spring, the damping spring is sleeved on the shock absorber, one end of the shock absorber is connected and fixed with a fixed head B, the other end is provided with a center hole, a telescopic rod is arranged in the center hole, one end of the telescopic rod is fixedly connected with a fixed head A; one end of the swing arm structure is connected with the horn structure, the other end is hingedly connected with a main frame, the swing arm structure comprises an upper swing arm and a lower swing arm, a fixed seat is arranged on the lower swing arm, the fixed head A is hingedly connected with the fixed seat; one end of the horn structure not connected with the swing arm structure is connected with a wheel.

[0005] Further, one end of the shock absorber connected with the fixed head B is provided with a thread, a adjusting nut is sleeved at the thread, and the adjusting nut abuts against the upper end of the damping spring.

[0006] Further, the number of the adjusting nuts is 2.

[0007] Further, one end of the telescopic rod is provided with a thread, and the telescopic rod is threadedly connected with the fixed head A.

[0008] Further, a limiting sheet is sleeved at the connection between the fixed head A and the telescopic rod, the limiting sheet is provided with a center hole and a limiting portion, and the limiting portion abuts against the lower end of the damping spring.

[0009] Further, a buffer sleeve is sleeved at the connection between the telescopic rod and the fixed head A, and the buffer sleeve is arranged in the damping spring.

[0010] Further, the upper swing arm and the lower swing arm are connected with the horn structure through a universal connector.

[0011] Further, the upper swing arm is provided with two swing arms, one end of the swing arms is connected through a cross pipe, the other end is connected to each other after being bent, and the cross pipe is hinged to the main frame.

[0012] Further, the lower swing arm is provided with two swing arms, one end of the swing arms is hinged to the main frame, and the other end is connected to each other, and a bend is arranged on the swing arm.

[0013] Compared with the prior art, the advantages of the utility model lie in that: the front suspension of the utility model can guarantee the stability of the structure, the upper swing arm and the lower swing arm are hinged to the main frame at one end and are rotated through the universal connector at the other end, the rotation of the wheels is stable and flexible, the adjusting nut threaded on the shock absorber can be used for adjusting the damping effect, the damping spring connected to the lower swing arm can lengthen the extension space, and the damping effect and comfort are improved, and the bend of the lower swing arm makes the wheel end lower and the main frame part higher, and the passability is increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application. The present application is not limited by the accompanying drawings.

[0015] Figure 1 It is a structural schematic view of the front suspension of the utility model.

[0016] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application. The present application is not limited by the accompanying drawings. DETAILED DESCRIPTION

[0017] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0018] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] Please refer to Figure 1 The front suspension of the sand vehicle provided by the embodiment comprises a damping structure, a swing arm structure and a horn structure. The damping structure comprises a shock absorber 1, an extension rod 2, a fixed head A 3, a fixed head B 4, an adjusting nut 5, a limiting sheet 6, a buffer sleeve 7 and a damping spring 8. The shock absorber 1 is provided with external threads at one end and a central hole matched with the extension rod 2 at the other end. The extension rod 2 is provided with threads at the other end and is fixedly connected with the fixed head A 3 through threads. The fixed head A 3 is provided with a connecting hole and a fixed seat 12 of the lower swing arm 10 at the other end and is hingedly connected with the lower swing arm 10. The fixed head B 4 is provided with a connecting hole and a main frame at one end and is hingedly connected with the main frame. The fixed head B 4 is provided with a threaded hole and is fixedly connected with the shock absorber 1 through threads at the other end. The adjusting nut 5 is connected with the shock absorber 1 through threads. In order to prevent rotation during use, two adjusting nuts 5 are generally used. The buffer sleeve 7 and the limiting sheet 6 are sleeved at the connection between the fixed head A 3 and the extension rod 2. The limiting sheet 6 is provided with a central hole and a limiting part. The buffer sleeve 7 is arranged in the damping spring 8 and is used for preventing collision. The damping spring 8 is sleeved with the shock absorber 1. After being connected, one end of the damping spring 8 abuts against the adjusting nut 5, the other end abuts against the limiting part of the limiting sheet 6, and the limiting sheet 6 abuts against the fixed head A 3.

[0020] The swing arm structure comprises an upper swing arm 9 and a lower swing arm 10. The upper swing arm 9 is provided with two swing arms. The tail ends of the swing arms are connected through a cross pipe 11. The cross pipe 11 is hingedly connected with the main frame. The other ends of the swing arms are bent and connected with each other. The lower swing arm 10 is provided with two swing arms. The tail ends of the swing arms are hingedly connected with the main frame. The other ends of the swing arms are bent and connected with each other. The swing arms of the lower swing arm 10 are provided with bends for lifting the vehicle chassis and increasing the passability.

[0021] The horn structure is a horn piece 14. The horn piece 14 is provided with an upper swing arm connecting part 15, a lower swing arm connecting part 16 and a wheel shaft 17. The upper swing arm 9 and the lower swing arm 10 are connected with the upper swing arm connecting part 15 and the lower swing arm connecting part 16 through a universal connector 13. The wheel shaft 17 is used for connecting a wheel.

[0022] The front suspension of the sand vehicle provided by the embodiment is installed and used, the bending of the lower swing arm 10 makes the wheel end lower and the main frame part higher from the ground, and the passability is increased; the adjusting nut 5 can be used for adjusting the damping effect; during the driving of the vehicle, when the vehicle is pressed down, the main frame is pressed down, the main frame pushes the fixed head B4, the fixed head B4 pushes the shock absorber 1, the shock absorber 1 drives the adjusting nut 5 to push the damping spring 8 to compress, the other end of the damping spring 8 pushes the limiting sheet 6 and then pushes the fixed head A3, after the damping spring 8 is compressed, more part of the telescopic rod 2 enters the shock absorber 1, the telescopic rod 2 is pressed to the buffer sleeve 7 to prevent collision after reaching the bottom, during the pressing down of the main frame, the upper swing arm 9 and the lower swing arm 10 are rotated through the hinge connection with the main frame, and the other end is rotated through the universal connector 13, the wheels are kept stable and flexible in steering, when the vehicle is bounced up, each component is reversely displaced, the structure stability can be ensured due to the connection of each component and the impossibility of separation, the damping spring 8 connected to the lower swing arm 10 can lengthen the telescopic space, improve the damping effect and improve the comfort.

[0023] The above only provides preferred embodiments of the utility model and is not used for limiting the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A front suspension for a beach buggy, characterized in that: The system includes a shock-absorbing structure, a swing arm structure, and a steering knuckle structure. The shock-absorbing structure includes a shock absorber (1) and a shock-absorbing spring (8). The shock-absorbing spring (8) is sleeved on the shock absorber (1). One end of the shock absorber (1) is connected and fixed to a fixed head B (4), and the other end has a central hole with a telescopic rod (2) inside the central hole. One end of the telescopic rod (2) is fixedly connected to a fixed head A (3). One end of the swing arm structure is connected to the steering knuckle structure, and the other end is hinged to the main frame. The swing arm structure includes an upper swing arm (9) and a lower swing arm (10). A fixed seat (12) is provided on the lower swing arm (10), and the fixed head A (3) is hinged to the fixed seat (12). The end of the steering knuckle structure that is not connected to the swing arm structure is connected to the wheel.

2. The front suspension of the beach buggy according to claim 1, characterized in that: The shock absorber (1) is connected to the fixed head B (4) at one end with a thread, and an adjusting nut (5) is fitted at the thread, with the adjusting nut (5) pressing against the upper end of the shock absorber spring (8).

3. The front suspension of the beach buggy according to claim 2, characterized in that: The number of adjusting nuts (5) is 2.

4. The front suspension of the ATV according to claim 1, characterized in that: One end of the telescopic rod (2) is threaded, and the telescopic rod (2) is threadedly connected to the fixed head A (3).

5. The front suspension of the ATV according to claim 1 or 4, characterized in that: A limiting piece (6) is fitted at the connection between the fixed head A (3) and the telescopic rod (2). The limiting piece (6) has a central hole and a limiting part, and the limiting part abuts against the lower end of the shock-absorbing spring (8).

6. The front suspension of the ATV according to claim 1 or 4, characterized in that: A buffer sleeve (7) is provided at the connection between the telescopic rod (2) and the fixed head A (3), and the buffer sleeve (7) is located inside the shock-absorbing spring (8).

7. The front suspension of the ATV according to claim 1, characterized in that: The upper swing arm (9) and lower swing arm (10) are connected to the ram's horn structure via a universal connector (13).

8. The front suspension of the ATV according to claim 1 or 7, characterized in that: The upper swing arm (9) is provided with two swing arms. One end of the swing arm is connected by a horizontal tube (11), and the other end is bent and connected to each other. The horizontal tube (11) is hinged to the main frame.

9. The front suspension of the ATV according to claim 1 or 7, characterized in that: The lower control arm (10) is provided with two control arms. One end of the two control arms is hinged to the main frame, and the other end is connected to each other. The control arms are provided with bends.

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