Kart frame

Abstract

The utility model relates to a kart frame which comprises a plurality of rod pieces, each rod piece is connected with at least one of the other rod pieces, the pipe wall of at least one of the rod pieces is provided with at least one spiral extending structure which rotates around the axial direction of the pipe wall, and the at least one spiral extending structure rotates around the axial direction by at least 360 degrees. Through the at least one spiral extension structure, the structural strength, the anti-torque strength and the anti-impact strength of the kart frame can be improved.

Description

Technical Field

[0001] The utility model relates to a vehicle frame, in particular to a kart vehicle frame. Background Art

[0002] A kart is a small racing car. Since its vehicle model size is much smaller than that of a standard car, it is extremely suitable for beginners or young people to learn and for leisure use. Although the kart vehicle model is small, it can also have a relatively high driving speed. Generally, a kart does not have a shell that can entirely accommodate the driver. Basically, there is only a driving seat provided on the main vehicle frame. Therefore, the structural reliability and safety of the kart vehicle frame play an important key role, so as to provide sufficient structural strength and protection to ensure the personal safety of the driver.

[0003] However, the known kart vehicle frame is composed of a plurality of round rods connected to each other. All of the rods are round rods (hollow rods), and no additional reinforcement structures are arranged on each round rod. Therefore, its structural strength, torsional strength and impact strength all need to be enhanced, and there are still deficiencies in reliability and safety, etc.

[0004] Therefore, it is necessary to provide a novel and progressive kart vehicle frame to solve the above problems. Summary of the Invention

[0005] The main purpose of the utility model is to provide a kart vehicle frame, which can enhance the structural strength, torsional strength and impact strength of the kart vehicle frame.

[0006] To achieve the above object, the utility model provides a kart vehicle frame, including a plurality of rods, each of the rods is connected to at least one of the other rods among the plurality of rods. At least one spiral extension structure that spirally extends around the axial direction of the tube wall is provided on the tube wall of at least one of the plurality of rods, and the at least one spiral extension structure spirally extends around the axial direction for at least 360 degrees.

[0007] Preferably, the at least one spiral extension structure is provided on at least one of the outer surface and the inner surface of the tube wall.

[0008] Preferably, the width of each spiral extension structure is 2.5 mm to 5.5 mm.

[0009] Preferably, the radial dimension of each spiral extension structure is 1.5 mm to 2.0 mm.

[0010] Preferably, the spiral angle of each spiral extension structure is 5.0 degrees to 15.0 degrees.

[0011] Preferably, the at least one spiral extension structure includes a plurality of extension structures, and the plurality of extension structures extend parallel to each other.

[0012] Preferably, the plurality of rods includes a front rod, two side rods and at least one cross rod. At least the front rod of the plurality of rods includes the at least one helical extension structure. The two side rods are horizontally connected to two ends of the front rod, and the at least one cross rod is horizontally connected between the two side rods.

[0013] Preferably, the plurality of rods further includes at least one reinforcing rod, and the at least one reinforcing rod is connected between one of the side rods and the at least one cross rod.

[0014] Preferably, the plurality of rods further includes a longitudinal rod. The at least one cross rod includes a first cross rod and a second cross rod. The first cross rod and the second cross rod are spaced apart and connected to the longitudinal rod. The longitudinal rod is spaced side by side with one of the side rods. The at least one reinforcing rod includes a first reinforcing rod and a plurality of second reinforcing rods. The first reinforcing rod is obliquely connected between one of the side rods and the at least one cross rod, and the plurality of second reinforcing rods are vertically connected between the other side rod and the longitudinal rod.

[0015] Preferably, the at least one helical extension structure is provided on the outer surface of the pipe wall; the width of each helical extension structure is 3.0 mm to 4.5 mm; the radial dimension of each helical extension structure is 1.7 mm to 1.9 mm; the helical angle of each helical extension structure is 6.0 degrees to 8.0 degrees; the at least one helical extension structure includes a plurality of extension structures, and the plurality of extension structures extend parallel to each other; the front rod, the two side rods and the at least one cross rod are respectively convex with the at least one helical extension structure; the at least one helical extension structure of the front rod, the two side rods and the at least one cross rod respectively extends continuously along the entire length of the front rod, the two side rods and the at least one cross rod.

[0016] The beneficial effects of the present utility model are as follows:

[0017] The present utility model provides a kart frame. The at least one helical extension structure wound around the rod can improve the structural strength, anti-torsion strength and anti-impact strength of the kart frame; the at least one cross rod and the at least one reinforcing rod strengthen the structural strength, anti-torsion strength and anti-impact strength of the kart frame; the front rod, the two side rods and the at least one cross rod 14 are respectively convex with the at least one helical extension structure, which can further strengthen the structural strength, anti-torsion strength and anti-impact strength of the kart frame. Description of the Drawings

[0018] Figure 1 It is a perspective view of an embodiment of the present utility model.

[0019] Figure 2 It is a front view of an embodiment of the present utility model.

[0020] Figure 3 It is a side view of an embodiment of the present utility model.

[0021] Figure 4 This is an axial view of a rod in an embodiment of the present utility model.

[0022] Figure 5 is Figure 4 a partially enlarged view of.

[0023] Reference numerals

[0024] 1: Kart frame; 10: Rod; 11: Spiral extension structure; 111: Extension structure; 12: Front rod; 13: Side rod; 14: Cross bar; 141: First cross bar; 142: Second cross bar; 15: Reinforcing rod; 151: First reinforcing rod; 152: Second reinforcing rod; 16: Longitudinal rod; A: Spiral angle; H: Radial dimension; W: Width. Detailed implementation manners

[0025] The following only uses embodiments to illustrate possible implementation forms of the present utility model, but is not intended to limit the scope to be protected by the present utility model. The "one" or "at least one" prefixed to the nouns mentioned in the text does not limit the quantity. According to requirements, it can also be "plural" in number. Such a change in quantity is also within the scope to be protected. This is stated first for clarification.

[0026] Please refer to Figures 1 to 5 , which shows an embodiment of the present utility model. The kart frame 1 of the present utility model includes a plurality of rods 10. Each of the rods 10 is connected to at least one of the other rods 10 among the plurality of rods 10. At least one of the plurality of rods 10 has at least one spiral extension structure 11 that spirally winds around the axial direction of the pipe wall. The at least one spiral extension structure 11 spirally winds around the axial direction for at least 360 degrees. Through the at least one spiral extension structure 11, the structural strength, torsional resistance strength, and impact resistance strength of the kart frame 1 can be improved.

[0027] The at least one spiral extension structure 11 is provided on at least one of the outer surface and the inner surface of the pipe wall. Among them, the width W of each spiral extension structure 11 is 2.5 millimeters (mm) to 5.5 millimeters, the radial dimension H of each spiral extension structure 11 is 1.5 millimeters to 2.0 millimeters, and the spiral angle A of each spiral extension structure 11 is 5.0 degrees to 15.0 degrees. These dimensions may vary according to different sizes of the kart frame 1, different structural configurations, or / and strength requirements.

[0028] In this embodiment, the at least one spiral extension structure 11 is provided on the outer surface of the pipe wall; the at least one spiral extension structure 11 includes a plurality of (for example, 6, or other quantities) extension structures 111, and the plurality of extension structures 111 are arranged at equal angular intervals and extend parallel to each other; preferably, the width W of each spiral extension structure 11 is 3.0 mm to 4.5 mm; the radial dimension H of each spiral extension structure 11 is 1.7 mm to 1.9 mm; the spiral angle A of each spiral extension structure 11 is 6.0 degrees to 8.0 degrees, and such configurations are sufficient to provide the structural strength, anti-torsion strength, and anti-impact strength required for general use.

[0029] Furthermore, the plurality of rods 10 include a front rod 12, two side rods 13, and at least one cross rod 14. At least the front rod 12 of the plurality of rods 10 includes the at least one spiral extension structure 11. The two side rods 13 are horizontally connected to two ends of the front rod 12, and the at least one cross rod 14 is horizontally connected between the two side rods 13. More specifically, the plurality of rods 10 further include at least one reinforcing rod 15. The at least one reinforcing rod 15 is connected between one side rod 13 and the at least one cross rod 14. The plurality of rods 10 further include a longitudinal rod 16. The at least one cross rod 14 includes a first cross rod 141 and a second cross rod 142. The first cross rod 141 and the second cross rod 142 are spaced apart and connected to the longitudinal rod 16. The longitudinal rod 16 is arranged side by side at an interval with one side rod 13. The at least one reinforcing rod 15 includes a first reinforcing rod 151 and a plurality of second reinforcing rods 152. The first reinforcing rod 151 is obliquely connected between one side rod 13 and the at least one cross rod 14 (between one side rod 13 and the first cross rod 141), and the plurality of second reinforcing rods 152 are vertically connected between the other side rod 13 and the longitudinal rod 16. The at least one cross rod 14 and the at least one reinforcing rod 15 can strengthen the structural strength, anti-torsion strength, and anti-impact strength of the kart frame 1.

[0030] Preferably, the front rod 12, the two side rods 13, and the at least one cross rod 14 are respectively convexly provided with the at least one spiral extension structure 11, and the at least one spiral extension structure 11 of the front rod 12, the two side rods 13, and the at least one cross rod 14 continuously extends along the entire lengths of the front rod 12, the two side rods 13, and the at least one cross rod 14. Thereby, the structural strength, anti-torsion strength, and anti-impact strength of the kart frame 1 can be further strengthened.

Claims

1. A kart frame, characterized in that, It includes a plurality of rods, each of which is connected to at least one of the other rods in the plurality of rods. At least one of the plurality of rods has at least one helical extension structure spirally wound around the axial direction of the tube wall, and the at least one helical extension structure spirally winds around the axial direction for at least 360 degrees.

2. The kart frame according to claim 1, characterized in that, The at least one helical extension structure is provided on at least one of the outer surface and the inner surface of the tube wall.

3. The kart frame according to claim 2, characterized in that, The width of each helical extension structure is 2.5 mm to 5.5 mm.

4. The kart frame according to claim 2, characterized in that, The radial dimension of each helical extension structure is 1.5 mm to 2.0 mm.

5. The kart frame according to claim 2, characterized in that, The helix angle of each helical extension structure is 5.0 degrees to 15.0 degrees.

6. The kart frame according to claim 2, wherein, The at least one helical extension structure includes a plurality of extension structures that extend parallel to each other.

7. The kart frame according to claim 1, wherein, The plurality of rods include a front rod, two side rods and at least one cross rod. At least the front rod of the plurality of rods includes the at least one helical extension structure. The two side rods are horizontally connected to the two ends of the front rod, and the at least one cross rod is horizontally connected between the two side rods.

8. The kart frame according to claim 7, characterized in that, The plurality of rods further include at least one reinforcing rod, and the at least one reinforcing rod is connected between one of the side rods and the at least one cross rod.

9. The kart frame according to claim 8, characterized in that, The plurality of rods further include a longitudinal rod. The at least one cross rod includes a first cross rod and a second cross rod. The first cross rod and the second cross rod are spaced apart and connected to the longitudinal rod. The longitudinal rod is arranged side by side with one of the side rods at an interval. The at least one reinforcing rod includes a first reinforcing rod and a plurality of second reinforcing rods. The first reinforcing rod is obliquely connected between one of the side rods and the at least one cross rod, and the plurality of second reinforcing rods are vertically connected between the other side rod and the longitudinal rod.

10. The kart frame according to claim 9, characterized in that, The at least one helical extension structure is provided on the outer surface of the tube wall; the width of each helical extension structure is 3.0 mm to 4.5 mm; the radial dimension of each helical extension structure is 1.7 mm to 1.9 mm; the helix angle of each helical extension structure is 6.0 degrees to 8.0 degrees; the at least one helical extension structure includes a plurality of extension structures that extend parallel to each other; the front rod, the two side rods and the at least one cross rod are respectively convexly provided with the at least one helical extension structure; the at least one helical extension structures of the front rod, the two side rods and the at least one cross rod respectively continuously extend along the entire lengths of the front rod, the two side rods and the at least one cross rod.

Images