Main frame of all terrain vehicle

By designing an integrated ATV mainframe structure, the problem of weak existing frame structures has been solved, achieving higher strength and stability, improving shock and torsional resistance, simplifying engine installation and steering column limiting, and enhancing vehicle comfort.

CN223850754UActive Publication Date: 2026-01-30YONGKANG RONGFA VEHICLE IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520647037.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-30
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

The existing ATV frame structure is weak and the connection strength is poor, which makes it unable to effectively resist shock and torsion, resulting in severe shaking and vibration when the vehicle is driven on rough roads.

Method used

A main frame structure was designed, comprising an upper tube, a lower tube, a front connecting tube, a front support tube, a rear support tube, an upper horizontal tube, a middle horizontal tube, a lower horizontal tube, an engine mounting plate, a foot pedal connecting plate, and a rear suspension connecting part. The various components are connected by reinforcing plates to form an integrated main frame body, and reinforcing plates are set in key parts to improve strength and stability.

Benefits of technology

The main frame has achieved a more stable overall structure with higher strength, better shock and torsional resistance, easier engine installation and removal, more reliable steering column limit, and longer front suspension control arms to improve vehicle comfort.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223850754U_ABST
    Figure CN223850754U_ABST
Patent Text Reader

Abstract

The utility model provides a main frame of a dune buggy, which comprises an upper pipe, a lower pipe, a front connecting pipe, a front supporting pipe, a rear supporting pipe, an upper transverse pipe, a middle transverse pipe, a lower transverse pipe, an engine mounting plate, a pedal connecting plate, a rear suspension connecting part and a plurality of reinforcing plates, the main frame is integrated, the whole structure is more stable, the strength is high, and the anti-seismic and anti-torsion effects are good; the engine is convenient to mount and dismount; the steering column is limited through the reinforcing plate, so that the steering column is more convenient to limit; a front suspension swing arm is lengthened, and comfort is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to sand vehicle technical field, specifically is a sand vehicle's main frame. BACKGROUND

[0002] Sand vehicle is the common name of all terrain vehicle, refers to the vehicle that can adapt to most terrain, is not limited by terrain condition and travels. Vehicle needs to adapt to various terrain environment, and needs the larger load capacity when transporting personnel and articles, and when the vehicle travels under the bad road, will appear shaking, vibration etc. Therefore, the anti shock, the torsional strength and the stability of the vehicle main frame have the greater request, and the existing sand vehicle frame structure is weak, and the connecting strength is poor. CONTENT OF UTILITY MODEL

[0003] In view of the defects of the existing sand vehicle frame, the utility model wants to solve the technical problem: provide a kind of main frame of sand vehicle, which is simple in structure, stable in overall architecture, high in strength, and good in anti shock and torsional effect.

[0004] In order to realize the above-mentioned purpose, according to one aspect of the utility model, the utility model is realized by the following technical measures: a kind of main frame of sand vehicle, including upper pipe, lower pipe, front connecting pipe, front support pipe, rear support pipe, upper cross pipe, middle cross pipe, lower cross pipe, engine mounting plate, footstep connecting plate, rear suspension connecting part;

[0005] The number of the upper pipe, the lower pipe, the front support pipe, the rear support pipe and the rear suspension connecting part is two, and the upper pipe and the lower pipe are combined to form the main body of the main frame, the upper pipe is fixedly connected to the front end of the lower pipe through the front connecting pipe after being bent downward, and the rear end of the lower pipe is fixedly connected to the rear end of the upper pipe after being bent upward, the front ends of the upper pipe and the lower pipe are respectively connected to the front ends of the upper pipe and the lower pipe, and the rear ends of the upper pipe and the lower pipe are respectively connected to the rear ends of the upper pipe and the lower pipe;

[0006] The upper cross pipe is connected between the two upper pipes at the rear end, the middle cross pipe is connected between the two rear support pipes, and the lower cross pipe is connected between the two lower pipes at the rear end.

[0007] The engine mounting plate and the footstep connecting plate are fixed on the two rear pipes, and the rear suspension connecting part is fixed at the connection between the lower pipe and the rear support pipe.

[0008] The main body of the main frame is further provided with a plurality of reinforcing plates arranged transversely.

[0009] Further, the front end of the lower pipe is bent inward.

[0010] Further, the engine mounting plate, the lower cross pipe and the middle cross pipe are provided with fixing blocks for mounting the engine.

[0011] Further, the two lower pipes are provided with a reinforcing plate A at the tail.

[0012] Further, the two upper pipes are provided with a reinforcing plate B, a reinforcing plate C, a reinforcing plate D, a reinforcing plate E, and a reinforcing plate F between the two upper pipes, the reinforcing plate B and the reinforcing plate C are used for mounting a seat cushion, the reinforcing plate D and the reinforcing plate E are used for mounting an oil tank, and the reinforcing plate F is used for fixing a steering column limiting hoop.

[0013] Further, the two upper pipes are provided with a reinforcing plate G, a reinforcing plate H, and a reinforcing plate I at the front end between the two upper pipes, the reinforcing plate G is used for fixing a front goods shelf, the reinforcing plate H is used for fixing a winch motor, and the reinforcing plate I is used for fixing a front winch support.

[0014] Further, the two lower pipes are provided with a reinforcing plate J, a reinforcing plate K, and a reinforcing plate L at the front end between the two lower pipes, the reinforcing plate J and the reinforcing plate K are used for mounting a front suspension, and the reinforcing plate L is used for limiting a steering column, and the reinforcing plate L is provided with a central hole used for limiting the steering column.

[0015] Compared with the prior art, the main frame of the sand vehicle has the advantages that the main frame is integrated, the overall structure is more stable, high in strength, and good in anti-shock and anti-torsion effect, the engine is convenient to mount and dismount, the steering column is limited through the reinforcing plate, the front suspension swing arm is lengthened, and the comfort is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its features are illustrated in conjunction with the provided drawings and their description, which do not limit the application in any way. In the drawings:

[0017] Figure 1 It is a whole structure schematic view of the main frame of the sand vehicle.

[0018] Figure 2 It is another angle structure schematic view of the main frame of the sand vehicle.

[0019] The reference signs are as follows: 1, upper pipe; 2, lower pipe; 3, front support pipe; 4, rear support pipe; 5, upper cross pipe; 6, middle cross pipe; 7, lower cross pipe; 8, front connecting pipe; 9, engine mounting plate; 10, footstep connecting plate; 11, rear suspension connecting part; 12, reinforcing plate A; 13, reinforcing plate B; 14, reinforcing plate C; 15, reinforcing plate D; 16, reinforcing plate E; 17, reinforcing plate F; 18, reinforcing plate G; 19, reinforcing plate H; 20, reinforcing plate I; 21, reinforcing plate J; 22, reinforcing plate K; 23, reinforcing plate L; 24, fixing block. DETAILED DESCRIPTION

[0020] Hereinafter, the utility model will be described in detail with reference to the drawings and in conjunction 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.

[0021] In the description of the utility model, it should be understood that the orientation or positional 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 positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0022] Please refer to Figure 1 The main frame of the sand vehicle provided by the embodiment comprises upper pipes 1, lower pipes 2, front connecting pipes 8, front support pipes 3, rear support pipes 4, upper cross pipes 5, middle cross pipes 6, lower cross pipes 7, engine mounting plates 9, foot pedal connecting plates 10, and rear suspension connecting parts 11. The main frame body is formed by pairing and combining two upper pipes 1 and two lower pipes 2. The number of the opposite rear suspension connecting parts 11, the front support pipes 3 and the rear support pipes 4 is also two. The front end of the upper pipe 1 is bent downward and then fixedly connected with the front end of the lower pipe 2 through the front connecting pipe 8. The rear end of the lower pipe 2 is bent upward and then fixedly connected with the rear end of the upper pipe 1. The front end of the lower pipe 2 is bent inward, and the distance between the front ends of the two lower pipes 2 is closer, so as to lengthen the swing arm length of the front suspension. After the swing arm length of the front suspension is lengthened, the damping effect can be improved, and the comfort is improved. The front support pipe 3 is connected with the bent part at the front end of the upper pipe 1 and the front end of the lower pipe 2. The rear support pipe 4 is connected with the bent part at the rear end of the lower pipe 2 and the rear end of the upper pipe 1. The upper cross pipe 5 is connected to the rear end between the two upper pipes 1. The middle cross pipe 6 is connected between the two rear support pipes 4. The lower cross pipe 7 is connected to the rear end between the two lower pipes 2. The engine mounting plate 9 is connected to the middle part between the two lower pipes 2 close to the front end, for increasing the strength and mounting the engine. The foot pedal connecting plate 10 is connected to the middle part between the two lower pipes 2 close to the rear end, for increasing the strength and mounting the pedal. The rear suspension connecting part 11 is connected to the connecting part between the lower pipe 2 and the rear support pipe 4, for increasing the connecting strength and conveniently connecting the rear suspension. The engine mounting plate 9, the lower cross pipe 7 and the middle cross pipe 6 are provided with fixing blocks 24 for mounting the engine. The engine and the three fixing blocks 24 are fixedly connected through bolts, for conveniently mounting and dismounting. The main frame body is further provided with a plurality of transversely arranged reinforcing plates. The reinforcing plates are used for connecting various parts and are all provided with bent shapes for increasing the strength.

[0023] Specifically, the reinforcing plate A12 is connected to the tail position of the two lower tubes 2 for increasing strength; the reinforcing plate B13, the reinforcing plate C14 are connected between the two upper tubes 1 for installing the seat cushion; the reinforcing plate D15, the reinforcing plate E16 are connected between the two upper tubes 1 for installing the oil tank; the reinforcing plate F17 is connected between the two upper tubes 1 for fixing the steering column limiting hoop, the steering column is limited by the hoop; the reinforcing plate G18 is connected to the front end position between the two upper tubes 1 for fixing the front goods shelf; the reinforcing plate H19 is connected to the front end position between the two upper tubes 1 for fixing the winch motor; the reinforcing plate I20 is connected to the front end position between the two upper tubes 1 for fixing the front winch support; the reinforcing plate J21, the reinforcing plate K22 are connected to the front end position between the two lower tubes 2 for installing the front suspension; the reinforcing plate L23 is connected to the front end position between the two lower tubes 2 for limiting the steering column, and the reinforcing plate L23 is provided with a central hole for limiting the steering column.

[0024] The main frame of the sand vehicle provided by the embodiment is integrated, the overall structure is more stable, high in strength, good in anti-shock and anti-torsion effect, the engine is convenient to mount and dismount, the steering column is limited through the reinforcing plate F17 and the reinforcing plate L23, the steering column is more convenient to limit, the front suspension swing arm is lengthened, and the comfort is improved.

[0025] The above only describes the 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, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A main frame of an ATV, characterized by: The utility model relates to a kind of main frame of vehicle, including upper pipe (1), lower pipe (2), front connecting pipe (8), front support pipe (3), rear support pipe (4), upper cross pipe (5), middle cross pipe (6), lower cross pipe (7), engine mounting plate (9), footstep connecting plate (10), rear suspension connecting part (11); The upper pipe (1), lower pipe (2), front support pipe (3), rear support pipe (4) and rear suspension connecting part (11) are two in number, and the upper pipe (1) and lower pipe (2) are combined to form the main frame body, the upper pipe (1) is fixedly connected to the lower pipe (2) through the front connecting pipe (8) after being bent downward at the front end, and the lower pipe (2) is fixedly connected to the upper pipe (1) after being bent upward at the rear end, the front support pipe (3) is connected to the upper pipe (1) and the lower pipe (2) at the bent portions at the front ends, and the rear support pipe (4) is connected to the lower pipe (2) and the upper pipe (1) at the bent portions at the rear ends; The upper cross pipe (5) is connected between the two upper pipes (1) at the rear ends, the middle cross pipe (6) is connected between the two rear support pipes (4), and the lower cross pipe (7) is connected between the two lower pipes (2) at the rear ends. The engine mounting plate (9) and footstep connecting plate (10) are fixed to the two rear pipes, and the rear suspension connecting part (11) is fixed to the connection between the lower pipe (2) and rear support pipe (4). The main frame body is further provided with a plurality of reinforcing plates arranged transversely.

2. The main frame of the ATV according to claim 1, characterized in that: The lower pipe (2) is bent inward at the front end.

3. The main frame of the ATV according to claim 1, characterized in that: The engine mounting plate (9), lower cross pipe (7) and middle cross pipe (6) are provided with fixing blocks (24) for mounting an engine.

4. The main frame of the ATV according to claim 1, characterized in that: The two lower pipes (2) are provided with reinforcing plate A (12) at the tail portions.

5. The main frame of the ATV according to claim 1, characterized in that: The two upper pipes (1) are provided with reinforcing plate B (13), reinforcing plate C (14), reinforcing plate D (15), reinforcing plate E (16) and reinforcing plate F (17) therebetween, reinforcing plate B (13) and reinforcing plate C (14) are used for mounting seat cushions, reinforcing plate D (15) and reinforcing plate E (16) are used for mounting an oil tank, and reinforcing plate F (17) is used for fixing a steering column limiting hoop.

6. The main frame of the ATV according to claim 1, characterized in that: The two upper pipes (1) are provided with reinforcing plate G (18), reinforcing plate H (19) and reinforcing plate I (20) at the front ends therebetween, reinforcing plate G (18) is used for fixing a front cargo rack, reinforcing plate H (19) is used for fixing a winch motor, and reinforcing plate I (20) is used for fixing a front winch support.

7. The main frame of the ATV according to claim 1, characterized in that: The two lower pipes (2) are provided with reinforcing plate J (21), reinforcing plate K (22) and reinforcing plate L (23) at the front ends therebetween, reinforcing plate J (21) and reinforcing plate K (22) are used for mounting a front suspension, reinforcing plate L (23) is used for limiting a steering column, and reinforcing plate L (23) is provided with a central hole for limiting the steering column.