Lightweight frame of all-terrain vehicle

Abstract

The utility model discloses an all-terrain vehicle light-weight frame which comprises a front frame, a rear frame and a bottom main beam frame connected between the front frame and the rear frame. The front frame comprises a front vertical U-shaped pipe, a top longitudinal U-shaped pipe, a rear vertical U-shaped pipe, a bottom curved transverse pipe, a bottom left longitudinal pipe, a bottom right longitudinal pipe and a reinforcing pipe; the rear frame comprises a left U-shaped pipe, a right U-shaped pipe, a rear end plate connected with the left U-shaped pipe and the right U-shaped pipe, and a seat connecting frame connected to the left U-shaped pipe and the right U-shaped pipe; the bottom main beam frame comprises a left longitudinal curved pipe, a right longitudinal curved pipe, a bottom frame and a handrail connecting pipe. The front frame, the rear frame and the bottom main beam frame are arranged, the frame of the frame structure is composed of the hollow pipes, light weight is achieved, welding is reduced through connection of the U-shaped pipe fittings and the curved pipe fittings, and manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle frames, in particular to a lightweight frame for an all-terrain vehicle. Background Art

[0002] All-terrain vehicles, also known as "all-terrain four-wheel off-road motorcycles", are simple and practical vehicles with good off-road performance and adaptability to complex terrain. The frame is the main skeleton of the vehicle. In order to ensure the strength of the structure, the frame of conventional all-terrain vehicles is usually designed to be more complex. The number of rods on the frame is increasing, the body is heavier, and thus not lightweight enough. The cost investment is relatively increased, and the required power is large, the energy consumption is high, the number of welding points increases, and the manufacturing difficulty is also increased. For this reason, we provide a lightweight frame for all-terrain vehicles. Utility Model Content

[0003] The utility model aims to provide a lightweight frame for an all-terrain vehicle, and to design the lightweight frame for the all-terrain vehicle, thereby reducing energy consumption and production costs.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightweight frame of an all-terrain vehicle, comprising a front frame, a rear frame and a bottom main beam frame connected between the front frame and the rear frame;

[0005] The front frame comprises a front vertical U-shaped tube, a top longitudinal U-shaped tube, a rear vertical U-shaped tube, a bottom curved transverse tube, a bottom left longitudinal tube, a bottom right longitudinal tube and a reinforcement tube, wherein the bottom curved transverse tube, the bottom left longitudinal tube and the bottom right longitudinal tube are connected to each other to form a bottom frame of the front frame, the front vertical U-shaped tube, the top longitudinal U-shaped tube and the rear vertical U-shaped tube are connected to each other to form a peripheral side frame of the front frame, and the reinforcement tube is connected to the bottom frame and the peripheral side frame of the front frame;

[0006] The rear frame includes a left U-shaped tube, a right U-shaped tube, a rear end plate connecting the left U-shaped tube and the right U-shaped tube, and a seat connecting frame connected to the left U-shaped tube and the right U-shaped tube;

[0007] The front end of the bottom main beam frame is respectively connected to the bottom curved horizontal tube and the rear vertical U-shaped tube of the front frame, and the rear end of the bottom main beam frame is respectively connected to the left U-shaped tube and the right U-shaped tube of the rear frame;

[0008] The bottom main beam frame is concave, and the bottom main beam frame and the rear vertical U-shaped tube form a driving area. The bottom main beam frame includes a left longitudinal curved tube, a right longitudinal curved tube, a bottom frame and a handrail connecting tube. The left and right sides of the bottom frame are respectively connected to the left longitudinal curved tube and the right longitudinal curved tube through the handrail connecting tube.

[0009] The bottom frame includes a middle transverse tube, two left and right main longitudinal tubes, two left and right inner branch longitudinal tubes distributed on the inner side of the main longitudinal tube, and two left and right outer branch longitudinal tubes distributed on the outer side of the main longitudinal tube. The two inner branch longitudinal tubes are respectively connected to the two ends of the middle transverse tube, the two ends of the inner branch longitudinal tube are connected to the main longitudinal tube, and the two ends of the outer branch longitudinal tube are respectively connected to the main longitudinal tube and the bottom curved transverse tube.

[0010] Preferably, the top of the rear end plate is connected to the backrest bracket, and the bottom of the rear end plate is connected to the fuel tank rack connecting frame.

[0011] Preferably, a longitudinal reinforcement tube is connected between the front vertical U-shaped tube and the rear vertical U-shaped tube, and the longitudinal reinforcement tube is connected to the top longitudinal U-shaped tube through the vertical reinforcement tube, and the longitudinal reinforcement tubes are connected to transverse reinforcement tubes corresponding to the front vertical U-shaped tube, and the longitudinal reinforcement tubes are connected to transverse reinforcement tubes corresponding to the rear vertical U-shaped tube, and the bottom left longitudinal tube and the bottom right longitudinal tube are connected to transverse reinforcement tubes one in front and one in back.

[0012] Preferably, a bumper connector is provided in front of the transverse section of the front vertical U-shaped tube.

[0013] The utility model has the following beneficial effects:

[0014] The utility model provides a frame with a frame structure mainly composed of hollow tubes by arranging a front frame, a rear frame and a bottom main beam frame. The frame has strong structural symmetry, a simple overall structure, sufficient integrated installation space, a lightweight design, and reduces welding through U-shaped pipe fittings and curved pipe fittings, thereby reducing manufacturing costs and manufacturing difficulty. The bottom main beam frame reduces the height of the frame, thereby reducing the center of gravity of the entire vehicle and improving the stability of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model.

[0017] In the figure: 1. front frame; 11. front vertical U-shaped tube; 111. bumper connector; 12. top longitudinal U-shaped tube; 13. rear vertical U-shaped tube; 14. bottom curved transverse tube; 15. bottom left longitudinal tube; 16. bottom right longitudinal tube; 17. reinforcement tube; 2. rear frame; 21. left U-shaped tube; 22. right U-shaped tube; 23. rear end plate; 231. backrest bracket; 232. fuel tank rack connecting frame; 24. seat connecting frame; 3. bottom main beam frame; 31. left longitudinal curved tube; 32. right longitudinal curved tube; 33. bottom frame; 331. middle transverse tube; 332. main longitudinal tube; 333. inner branch longitudinal tube; 334. outer branch longitudinal tube; 34. armrest connecting tube. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figure 1-2 As shown, the utility model provides a technical solution: a lightweight frame of an all-terrain vehicle, comprising a front frame 1, a rear frame 2, and a bottom main beam frame 3 connected between the front frame 1 and the rear frame 2, and other various systems are integrated on the front frame 1 and the rear frame 2, respectively, with a compact overall structure and high integration;

[0020] The front frame 1 includes a front vertical U-shaped tube 11, a top longitudinal U-shaped tube 12, a rear vertical U-shaped tube 13, a bottom curved transverse tube 14, a bottom left longitudinal tube 15, a bottom right longitudinal tube 16 and a reinforcement tube 17. The bottom curved transverse tube 14, the bottom left longitudinal tube 15 and the bottom right longitudinal tube 16 are connected to each other to form a bottom frame of the front frame 1. The front vertical U-shaped tube 11, the top longitudinal U-shaped tube 12 and the rear vertical U-shaped tube 13 are connected to each other to form a peripheral side frame of the front frame 1. The reinforcement tube 17 is connected to the bottom frame and the peripheral side frame of the front frame 1. A bumper connector 111 is provided in front of the transverse section of the front vertical U-shaped tube 11.

[0021] A longitudinal reinforcement tube 17 is connected between the front vertical U-shaped tube 11 and the rear vertical U-shaped tube 13, and the longitudinal reinforcement tube 17 is connected to the top longitudinal U-shaped tube 12 through the vertical reinforcement tube 17, and the longitudinal reinforcement tubes 17 are connected to the transverse reinforcement tubes 17 corresponding to the front vertical U-shaped tube 11, and the longitudinal reinforcement tubes 17 are connected to the transverse reinforcement tubes 17 corresponding to the rear vertical U-shaped tube 13, and the bottom left longitudinal tube 15 and the bottom right longitudinal tube 16 are connected to the transverse reinforcement tubes 17 one in front and one in back;

[0022] The rear frame 2 includes a left U-shaped tube 21, a right U-shaped tube 22, a rear end plate 23 connecting the left U-shaped tube 21 and the right U-shaped tube 22, and a seat connecting frame 24 connected to the left U-shaped tube 21 and the right U-shaped tube 22, the top of the rear end plate 23 is connected to a backrest bracket 231, and the bottom of the rear end plate 23 is connected to a fuel tank rack connecting frame 232;

[0023] The front end of the bottom main beam frame 3 is respectively connected to the bottom curved horizontal tube 14 and the rear vertical U-shaped tube 13 of the front frame 1, and the rear end of the bottom main beam frame 3 is respectively connected to the left U-shaped tube 21 and the right U-shaped tube 22 of the rear frame 2;

[0024] The bottom main beam frame 3 is concave, and the bottom main beam frame 3 and the rear vertical U-shaped tube 13 enclose a driving area. The bottom main beam frame 3 includes a left longitudinal curved tube 31, a right longitudinal curved tube 32, a bottom frame 33 and a handrail connecting tube 34. The left and right sides of the bottom frame 33 are respectively connected to the left longitudinal curved tube 31 and the right longitudinal curved tube 32 through the handrail connecting tube 34.

[0025] The bottom frame 33 includes a middle transverse tube 331, two left and right main longitudinal tubes 332, two left and right inner branch longitudinal tubes 333 distributed inside the main longitudinal tube 332, and two left and right outer branch longitudinal tubes 334 distributed outside the main longitudinal tube 332. The two inner branch longitudinal tubes 333 are respectively connected to the two ends of the middle transverse tube 331, the two ends of the inner branch longitudinal tubes 333 are connected to the main longitudinal tube 332, and the two ends of the outer branch longitudinal tubes 334 are respectively connected to the main longitudinal tube 332 and the bottom curved transverse tube 14;

[0026] The all-terrain vehicle frame can optimize the layout space of the frame and integrate the design to facilitate the configuration of various systems and realize the lightweight design of the frame while meeting the requirements of stable and firm performance.

[0027] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightweight frame for an all-terrain vehicle, characterized in that: It comprises a front frame (1), a rear frame (2), and a bottom main beam frame (3) connected between the front frame (1) and the rear frame (2); The front frame (1) comprises a front vertical U-shaped tube (11), a top longitudinal U-shaped tube (12), a rear vertical U-shaped tube (13), a bottom curved transverse tube (14), a bottom left longitudinal tube (15), a bottom right longitudinal tube (16) and a reinforcement tube (17); the bottom curved transverse tube (14), the bottom left longitudinal tube (15) and the bottom right longitudinal tube (16) are connected to each other to form a bottom frame of the front frame (1); the front vertical U-shaped tube (11), the top longitudinal U-shaped tube (12) and the rear vertical U-shaped tube (13) are connected to each other to form a peripheral side frame of the front frame (1); and the reinforcement tube (17) is connected to the bottom frame and the peripheral side frame of the front frame (1); The rear frame (2) comprises a left U-shaped tube (21), a right U-shaped tube (22), a rear end plate (23) connecting the left U-shaped tube (21) and the right U-shaped tube (22), and a seat connecting frame (24) connected to the left U-shaped tube (21) and the right U-shaped tube (22); The front end of the bottom main beam frame (3) is respectively connected to the bottom curved horizontal tube (14) and the rear vertical U-shaped tube (13) of the front frame (1), and the rear end of the bottom main beam frame (3) is respectively connected to the left U-shaped tube (21) and the right U-shaped tube (22) of the rear frame (2); The bottom main beam frame (3) is concave, and the bottom main beam frame (3) and the rear vertical U-shaped tube (13) enclose a driving area, the bottom main beam frame (3) comprises a left longitudinal curved tube (31), a right longitudinal curved tube (32), a bottom frame (33) and a handrail connecting tube (34), and the left and right sides of the bottom frame (33) are respectively connected to the left longitudinal curved tube (31) and the right longitudinal curved tube (32) through the handrail connecting tube (34); The bottom frame (33) comprises a middle transverse tube (331), two left and right main longitudinal tubes (332), two left and right inner branch longitudinal tubes (333) distributed inside the main longitudinal tube (332), and two left and right outer branch longitudinal tubes (334) distributed outside the main longitudinal tube (332), the two inner branch longitudinal tubes (333) are respectively connected to two ends of the middle transverse tube (331), the two ends of the inner branch longitudinal tube (333) are connected to the main longitudinal tube (332), and the two ends of the outer branch longitudinal tube (334) are respectively connected to the main longitudinal tube (332) and the bottom curved transverse tube (14).

2. The lightweight frame of an all-terrain vehicle according to claim 1, characterized in that: The top of the rear end plate (23) is connected to a backrest bracket (231), and the bottom of the rear end plate (23) is connected to a fuel tank rack connecting frame (232).

3. The lightweight frame of an all-terrain vehicle according to claim 1, characterized in that: A longitudinal reinforcement tube (17) is connected between the front vertical U-shaped tube (11) and the rear vertical U-shaped tube (13), and the longitudinal reinforcement tube (17) is connected to the top longitudinal U-shaped tube (12) through the vertical reinforcement tube (17), and the longitudinal reinforcement tubes (17) are connected to the transverse reinforcement tubes (17) corresponding to the front vertical U-shaped tube (11), and the longitudinal reinforcement tubes (17) are connected to the transverse reinforcement tubes (17) corresponding to the rear vertical U-shaped tube (13), and the bottom left longitudinal tube (15) and the bottom right longitudinal tube (16) are connected to the transverse reinforcement tubes (17) one in front and one in back.

4. The lightweight frame of an all-terrain vehicle according to claim 1, characterized in that: A bumper connecting piece (111) is arranged in front of the transverse section of the front vertical U-shaped tube (11).

Images