A crash-proof skateboard suitable for long distance sliding

Abstract

The utility model provides a suitable long distance sliding's anti -falling skateboard relates to sports equipment technical field, the main beam frame upper surface mounting panel, the detachable installation between the main beam frame and the panel, the main beam frame front end is equipped with the sunken beam frame, the sunken beam frame front end is equipped with the front axle mounting beam frame, the front axle mounting beam frame bottom is equipped with the front steering axle, the main beam frame is equipped with the tail end beam frame movably, the tail end beam frame rear end is equipped with the rear axle mounting beam frame, the rear axle mounting beam frame bottom is equipped with the rear axle support, the utility model discloses front axle mounting beam frame makes the maximum amplitude subsidence through the second subsidence section and makes the horizontal section keep horizontal with the ground, then, through the first subsidence section, the form of the sunken beam frame is changed to parallel extension to the main beam frame, the sunken beam frame of this form can make the outermost edge of the front wheel avoid the sunken beam frame, prevent the front wheel from being stuck in the sunken beam frame and prevent the uneven ground from causing the problem that the main beam frame is stuck in the middle bottom of the ground, and the height of the panel and the injury intensity are reduced to the maximum.

Description

Technical Field

[0001] This utility model relates to the field of sports equipment technology, and in particular to a fall-proof skateboard suitable for long-distance gliding. Background Technology

[0002] Skateboarding is a highly attractive and challenging extreme sport that combines skill, creativity, and a spirit of adventure, making it popular among young people. Skateboards are categorized into longboards, double kickboards, land surfboards, long distance push-up boards (LDP), and dragon boards. LDPs, with their larger wheels, are suitable for long-distance riding, offering better maneuverability and speed than land surfboards and dragon boards. However, because the wheels are located on the outside of the nose and tail of the board, they are prone to rubbing against the extension frame, causing wheel jamming. This results in a large turning radius, making them suitable only for straight-line gliding pumping maneuvers (repeatedly squatting, turning, standing up, and turning again). Freestyle tricks are a weakness for them.

[0003] All skateboards are prone to accidents because their wheels can trap stones. The main way to improve the traction of skateboard wheels is to increase wheel size. Land surfboard wheels are around 60 mm in diameter, while LDP wheels are around 102 mm. Traditional skateboards have wheels mounted under the pedals. Increasing the wheel size raises the pedals off the ground, which has two drawbacks: firstly, it makes it harder to push off the ground for acceleration; secondly, falls are more likely to result in more severe injuries. Furthermore, the inherent risk of falls on skateboards discourages many aspiring skateboarders from pursuing the sport, as they fear the embarrassment of falling in public, thus reducing the sport's appeal.

[0004] The current LDP design uses a drop fork (drop bracket) structure to mount the skateboard wheels at the nose and tail of the board, instead of underneath. The drop fork (drop bracket) is essentially a sloping, curved bracket added between the skateboard truck and the board, creating a surface where the steering truck is mounted higher than the mounting plate. To reduce the fixing pressure on the screws, the board must be tightly against the front end with no space, as the connection point is typically fork-shaped. While the drop fork design lowers the board height, it also increases the wheel size, inevitably lengthening the distance between the wheel axle and the board, increasing leverage torque. The drop fork and board are connected by screws. Increased stress on the surface can lead to loosening and breakage, and friction and collision between the wheels and the sinking support during turns can cause wheel jamming. While widening the wheelbase can prevent wheel jamming, the presence of stones increases steering torque, making it difficult to control. Widening the wheelbase also increases the turning range, further increasing the support length and reducing its load-bearing capacity. Therefore, the wheelbase is limited. Currently, the front and rear wheelbase of the LDP is around 850 mm, with the stress point mainly in the middle. A portion of the pumping force is wasted on the rear wheel, which does not provide power, resulting in low efficiency. The rear wheel only serves a supporting role. Although the front and rear wheelbase can be increased by lengthening the pedals, this significantly increases weight and cost, and also makes it inconvenient to carry. Therefore, this invention proposes a fall-resistant skateboard suitable for long-distance gliding to solve the above problems. Utility Model Content

[0005] To address the aforementioned issues, this invention proposes a crash-resistant skateboard suitable for long-distance gliding, which improves the skateboard's passability and crash protection. In addition, by adding a tail beam frame, the front and rear wheelbase is extended, thereby improving the skateboard's stability and cruising capability.

[0006] To achieve the objectives of this utility model, the following technical solution is adopted: A fall-resistant skateboard suitable for long-distance gliding includes a main beam frame, a board surface mounted on the upper surface of the main beam frame, and a detachable connection between the main beam frame and the board surface. A recessed beam frame is located at the front end of the main beam frame, and a front axle mounting beam frame is located at the front end of the recessed beam frame. A front steering axle is located at the bottom of the front axle mounting beam frame, and front axles are located on both sides of the front steering axle. Front wheels are mounted on the front axles. A tail beam frame is movably mounted on the main beam frame, and a rear axle mounting beam frame is located at the rear end of the tail beam frame. A rear axle bracket is located at the bottom of the rear axle mounting beam frame, and a rear axle is mounted on the rear axle bracket. Rear wheels are mounted at both ends of the rear axle. The sunken beam frame includes a first sunken section, a second sunken section, and a horizontal section. One end of the main beam frame is connected to the first sunken section, and one end of the front axle mounting beam frame is connected to the second sunken section. A horizontal section is provided between the first sunken section and the second sunken section.

[0007] A further improvement is that: fixing bolts are provided at the four corners of the top of the plate, and fixing holes adapted to the positions of the fixing bolts are provided at the top of the main beam frame, and the fixing bolts are connected to the fixing holes.

[0008] Further improvements include: the length of the second sunken section is greater than the length of the first sunken section, the top of the front axle mounting beam is higher than the top of the slab surface, and the height of the horizontal section is lower than the height of the main beam.

[0009] A further improvement is that the main beam frame, the sunken beam frame, and the front axle mounting beam frame are an integrated structure, and the main beam frame, the sunken beam frame, the front axle mounting beam frame, and the tail beam frame are all hollow structures, with the tail beam frame movably disposed inside the hollow structure of the main beam frame.

[0010] A further improvement is that: adjusting bolts are provided on both side walls of the main beam frame near the tail beam frame, and adjusting holes are provided on both side walls of the tail beam frame. There are multiple adjusting holes, and the adjusting bolts are connected to the adjusting holes.

[0011] A further improvement is that the front steering axle includes a front axle seat and a front axle rod, the front axle seat has a front axle rod at its bottom, and the front axle wheel axle is mounted on both sides of the front axle rod.

[0012] A further improvement is that the front steering axle includes a front axle seat and an upper anti-arc block, the upper anti-arc block is symmetrically arranged at the bottom of the front axle seat, and the front axle wheel axle is mounted on the side wall of the upper anti-arc block.

[0013] The beneficial effects of this utility model are as follows: This utility model detachably installs the main beam frame at the bottom of the plate, installs a sunken beam frame at the front end of the main beam frame and an adjustable tail beam frame at the rear end of the main beam frame. The front axle mounting beam frame is set at the front end of the sunken beam frame, and the rear axle mounting beam frame is set at the tail end of the tail beam frame. The sunken beam frame consists of a first sunken section, a second sunken section and a horizontal section. The front axle mounting beam frame is sunken to its maximum extent through the second sunken section to keep the horizontal section level with the ground, and then extends parallel to the main beam frame through the first sunken section. This type of sunken beam frame, when used in conjunction with the installation of the front axle mounting beam frame and the front steering axle, allows the outermost edge of the front wheels to avoid the sunken beam frame, preventing the front wheels from getting stuck on the sunken beam frame and preventing uneven ground from causing the ground to get stuck on the middle bottom of the main beam frame. This minimizes the height of the plate and reduces the intensity of falls.

[0014] The recessed beam frame of this invention can be used with existing front steering axles consisting of a front axle base and a front axle rod for mounting the front wheel. It can also be used with front steering axles consisting of a front axle base and an upper anti-arc block for mounting the front wheel. The front steering axle consisting of the front axle base and the upper anti-arc block can change the height of the front axle axle by reversing the shape of the upper anti-arc block. Raising the front axle axle allows for a further reduction in the board height, enabling the installation of larger diameter front wheels without increasing the board height. This significantly improves the skateboard's maneuverability and crash protection. The crash protection feature broadens the beneficiary group, allowing people of all ages and genders to participate.

[0015] The overall length of the skateboard in this invention can be adjusted by adjusting the extension length of the tail beam inside the main beam, making the skateboard easier to carry after adjusting its overall length. The hollow structure of the main beam, the recessed beam, the front axle mounting beam, and the tail beam reduces the overall weight of the skateboard. More importantly, by extending the tail end, this invention increases the front-to-rear wheelbase to approximately 1250mm. This brings the PUMPINGF's power point closer to the front steering axle that generates forward momentum, improving efficiency. A longer wheelbase also makes the rear axle's trajectory closer to a straight line, further enhancing efficiency. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the structure in Embodiment 1 of this utility model; Figure 2 This is an exploded view of the structure in Embodiment 1 of this utility model; Figure 3 This is a three-dimensional schematic diagram of the structure in Embodiment 2 of this utility model; Figure 4 This is an exploded view of the structure in Embodiment 2 of this utility model; Figure 5 This is a three-dimensional schematic diagram of the sunken beam frame structure of this utility model.

[0017] The components are: 1. Main beam frame; 2. Plate surface; 3. Sinking beam frame; 301. First sinking section; 302. Second sinking section; 303. Horizontal section; 4. Mounting beam frame; 5. Front axle; 6. Front wheel; 7. Rear beam frame; 8. Rear axle mounting beam frame; 9. Rear axle support; 10. Rear axle; 11. Rear wheel; 12. Fixing bolt; 13. Fixing hole; 14. Adjusting bolt; 15. Adjusting hole; 16. Front axle seat; 17. Front axle rod; 18. Upper anti-arc block. Detailed Implementation

[0018] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model. Example 1

[0019] according to Figure 1 , 2 As shown in Figure 5, this embodiment proposes a fall-resistant skateboard suitable for long-distance gliding, including a main beam frame 1, a board surface 2 mounted on the upper surface of the main beam frame 1, and the main beam frame 1 and board surface 2 being detachably installed. A recessed beam frame 3 is provided at the front end of the main beam frame 1, and a front axle mounting beam frame 4 is provided at the front end of the recessed beam frame 3. A front steering axle is provided at the bottom of the front axle mounting beam frame 4, and front axle wheel axles 5 are provided on both sides of the front steering axle. Front wheels 6 are mounted on the front axle wheel axles 5. A rear end beam frame 7 is movably mounted on the main beam frame 1, and a rear axle mounting beam frame 8 is provided at the rear end of the rear end beam frame 7. A rear axle bracket 9 is provided at the bottom of the rear axle mounting beam frame 8. Because the front and rear wheelbase of this utility model is sufficiently long, the bridge studs and bridge seats of the rear axle bracket in the prior art are... Any form of rear axle bracket with a horizontal angle from 0 degrees to 45 degrees is applicable to this utility model. A rear axle bracket with a horizontal angle of 0 degrees between the axle pin and the axle seat is suitable for straight driving and turning by relying on the front steering axle. A rear axle bracket with a horizontal angle of 45 degrees between the axle pin and the axle seat can turn both forward and backward. The rear axle bracket 9 is provided with a rear axle wheel axle 10, and rear wheels 11 are installed at both ends of the rear axle wheel axle 10. The sunken beam frame 3 includes a first sunken section 301, a second sunken section 302 and a horizontal section 303. The main beam frame 1 is provided with a first sunken section 301 at one end, the front axle mounting beam frame 4 is provided with a second sunken section 302 at one end, and a horizontal section 303 is provided between the first sunken section 301 and the second sunken section 302.

[0020] When assembling the anti-fall skateboard suitable for long-distance gliding of this utility model, the integrated structure consisting of the main beam frame 1, the lower beam frame 3, and the front axle mounting beam frame 4 is installed on the board surface 2 at the position of the main beam frame 1 by fixing bolts 12. The main beam frame is preferably a 30mm×30mm×2mm square tube, and the width ratio of the main beam frame to the board surface is best at 1:8. Then, the front axle mounting beam frame 4 is installed at the front end of the lower beam frame 3, and the front steering axle (the front steering axle in this utility model is the conventional front steering axle in the prior art) is installed at the bottom of the front axle mounting beam frame 4. Finally, the front wheel 6 is installed through the front axle wheel axle 5. After the front axle mounting beam 4 is lowered to its maximum extent via the second lowering section 302 to make the horizontal section 303 level with the ground, it then extends parallel to the main beam 1 via the first lowering section 301. This configuration of the lowering beam 3, when used in conjunction with the installation of the front axle mounting beam 4 and the front steering axle, allows the outermost edge of the front wheel 6 to avoid the lowering beam 3, preventing the front wheel 6 from getting stuck on the lowering beam 3 and preventing uneven ground from causing the ground to get stuck on the middle bottom of the main beam 1. This minimizes the height of the platform 2 and reduces the severity of falls. The maximum lowering of the second lowering section 302 can be such that the bottom of the horizontal section 303 maintains a 30mm gap with the ground.

[0021] Fixing bolts 12 are provided at the four corners of the top of the plate 2, and fixing holes 13 adapted to the positions of the fixing bolts 12 are provided at the top of the main beam frame 1. The fixing bolts 12 are connected to the fixing holes 13.

[0022] The second sunken section 302 is longer than the first sunken section 301. The top of the front axle mounting beam 4 is higher than the top of the plate surface 2, and the height of the horizontal section 303 is lower than the height of the main beam 1. In this embodiment, it is optimal to keep the bottom of the horizontal section 303 at a height of 30mm from the ground, and optimal to keep the bottom of the main beam 1 at a height of 60mm from the ground.

[0023] The main beam frame 1, the sunken beam frame 3, and the front axle mounting beam frame 4 are an integrated structure. The main beam frame 1, the sunken beam frame 3, the front axle mounting beam frame 4, and the tail beam frame 7 are all hollow structures. The tail beam frame 7 is movably installed inside the hollow structure of the main beam frame 1.

[0024] Adjusting bolts 14 are provided on both side walls of the main beam frame 1 near the tail beam frame 7, and adjusting holes 15 are provided on both side walls of the tail beam frame 7. Multiple adjusting holes 15 are provided, and the adjusting bolts 14 are connected to the adjusting holes 15. When the tail beam frame 7 slides out or in from the hollow structure of the main beam frame 1, the adjusting bolts 14 are connected to the corresponding adjusting holes 15, thereby adjusting the overall length of the sliding plate. This utility model extends the overall length of the tail beam frame, increasing the front and rear wheelbase to approximately 1250mm. This brings the PUMPINGF's power point closer to the front steering axle that generates forward momentum, improving efficiency. A longer wheelbase results in a more linear rear axle trajectory, further enhancing efficiency.

[0025] The front steering axle includes a front axle seat 16 and a front axle rod 17. The front axle seat 16 has a front axle rod 17 at its bottom. The front axle wheel axle 5 is installed on both sides of the front axle rod 17. The front steering axle disclosed in this embodiment is a conventional front steering axle structure in the prior art. The characteristic of this front steering axle structure is that the installation position angle of the front axle wheel axle 5 cannot accommodate a larger front wheel 6. However, due to the effect of the sunken beam frame 3, it is possible to avoid the front wheel 6 from getting stuck in the beam and to reduce the height of the plate surface 2. Example 2

[0026] according to Figure 3 , 4As shown in Figure 5, this embodiment proposes a fall-resistant skateboard suitable for long-distance gliding, including a main beam frame 1, which is detachably installed below the board surface 2. A recessed beam frame 3 is provided at the front end of the main beam frame 1, and a front axle mounting beam frame 4 is provided at the front end of the recessed beam frame 3. A front steering axle is provided at the bottom of the front axle mounting beam frame 4, and front axle wheel axles 5 are provided on both sides of the front steering axle. Front wheels 6 are mounted on the front axle wheel axles 5. A tail beam frame 7 is movably provided on the main beam frame 1, and a rear axle is provided at the rear end of the tail beam frame 7. The rear axle mounting beam 8 has a rear axle support 9 at its bottom, and a rear axle wheel axle 10 on the rear axle support 9. Rear wheels 11 are installed at both ends of the rear axle wheel axle 10. The sunken beam 3 includes a first sunken section 301, a second sunken section 302, and a horizontal section 303. The main beam 1 has a first sunken section 301 at one end, and the front axle mounting beam 4 has a second sunken section 302 at one end. A horizontal section 303 is provided between the first sunken section 301 and the second sunken section 302.

[0027] Fixed bolts 12 are provided at the four corners of the top of the plate 2. Fixed holes 13 adapted to the positions of the fixed bolts 12 are provided at the top of the main beam frame 1. The fixed bolts 12 are connected to the fixed holes 13. The length of the second sinking section 302 is greater than the length of the first sinking section 301. The top of the front axle mounting beam 4 is higher than the top of the plate 2. The height of the horizontal section 303 is lower than the height of the main beam frame 1. The main beam frame 1, the sinking beam frame 3, and the front axle mounting beam frame 4 are an integral structure. The main beam frame 1, the sinking beam frame 3, the front axle mounting beam frame 4, and the tail beam frame 7 are all hollow structures. The tail beam frame 7 is movably installed inside the hollow structure of the main beam frame 1. Adjusting bolts 14 are provided on the two side walls of the main beam frame 1 near the tail beam frame 7. Adjusting holes 15 are provided on the two side walls of the tail beam frame 7. There are multiple adjusting holes 15. The adjusting bolts 14 are connected to the adjusting holes 15.

[0028] The front steering axle includes a front axle base 16 and an upper anti-arc block 18. The upper anti-arc block 18 is symmetrically arranged at the bottom of the front axle base 16, and the front axle wheel axle 5 is mounted on the side wall of the upper anti-arc block 18. In this embodiment, the height of the upper anti-arc block 18 after its upward inversion is higher than that of the front steering axle in the prior art of Embodiment 1, which can further increase the installation height of the front axle wheel axle 5 by more than 40 mm. This allows the skateboard to install a larger diameter front wheel 6. The larger diameter front wheel is beneficial to improving the skateboard's passability, and together with the lower beam frame 3, it can improve the skateboard's anti-fall capability. It effectively optimizes weight, cost, and portability, making the skateboard more convenient for long-distance gliding.

[0029] This invention features a detachable main beam frame 1 installed at the bottom of the platform, a sunken beam frame 3 installed at the front end of the main beam frame 1, and an adjustable tail beam frame 7 installed at the rear end of the main beam frame 1. The front axle mounting beam frame 4 is positioned at the front end of the sunken beam frame 3, and the rear axle mounting beam frame 8 is positioned at the rear end of the tail beam frame 7. The sunken beam frame 3 consists of a first sunken section 301, a second sunken section 302, and a horizontal section 303. The front axle mounting beam frame 4 is sunk to its maximum extent via the second sunken section 302 to make the horizontal section 303 level with the ground, and then extends parallel to the main beam frame 1 via the first sunken section 301. This configuration of the sunken beam frame 3, when used in conjunction with the front axle mounting beam frame 4 and the front steering axle, allows the outermost edge of the front wheel 6 to avoid the sunken beam frame 3, preventing the front wheel 6 from getting stuck on the sunken beam frame 3 and preventing uneven ground from causing the ground to get stuck on the middle bottom of the main beam frame 1. This minimizes the height of the platform 2 and reduces the severity of falls. The sunken beam 3 of this invention can be adapted to the existing front steering axle composed of front axle seat 16 and front axle rod 17 for mounting the front wheel 6. It can also be adapted to the front steering axle composed of front axle seat 16 and upper anti-arc block 18 for mounting the front wheel 6. The front steering axle composed of front axle seat 16 and upper anti-arc block 18 can change the height of the front axle wheel axle 5 by changing the reverse shape of the upper anti-arc block 18. After the front axle wheel axle 5 is raised, the height of the board surface 2 can be further reduced, which can meet the requirement of installing a larger diameter front wheel without increasing the height of the board surface 2, thereby greatly improving the skateboard's passability and anti-fall capability. The total length of the skateboard of this invention can be adjusted by adjusting the extension length of the tail beam 7 inside the main beam 1, so that the skateboard can be easily carried after adjusting the overall length. The hollow structure of the main beam 1, sunken beam 3, front axle mounting beam 4 and tail beam 7 can reduce the overall weight of the skateboard.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fall-resistant skateboard suitable for long-distance gliding, characterized in that: Includes a main beam frame (1), with a plate installed on the upper surface of the main beam frame (1). The main beam frame (1) and the plate (2) are detachably installed. The front end of the main beam frame (1) is provided with a sunken beam frame (3). The front end of the sunken beam frame (3) is provided with a front axle mounting beam frame (4). The bottom of the front axle mounting beam frame (4) is provided with a front steering axle. The front steering axle is provided with front axle wheel axles (5) on both sides. The front axle wheel axles (5) are installed with front wheels (6). The main beam frame (1) is movably provided with a tail beam frame (7). The rear end of the tail beam frame (7) is provided with a rear axle mounting beam frame (8). The bottom of the rear axle mounting beam frame (8) is provided with a rear axle bracket (9). The rear axle bracket (9) is provided with a rear axle wheel axle (10). The rear axle wheel axle (10) is installed with rear wheels (11) at both ends of the rear axle wheel axle (10). The sunken beam frame (3) includes a first sunken section (301), a second sunken section (302) and a horizontal section (303). One end of the main beam frame (1) is connected to the first sunken section (301), and one end of the front axle mounting beam frame (4) is connected to the second sunken section (302). A horizontal section (303) is provided between the first sunken section (301) and the second sunken section (302).

2. The anti-fall skateboard suitable for long-distance gliding according to claim 1, characterized in that: The plate (2) is provided with fixing bolts (12) at the four corners of the top, and the main beam frame (1) is provided with fixing holes (13) at the top that are adapted to the positions of the fixing bolts (12). The fixing bolts (12) are connected to the fixing holes (13).

3. The anti-fall skateboard suitable for long-distance gliding according to claim 1, characterized in that: The length of the second sinking section (302) is greater than the length of the first sinking section (301), the top of the front axle mounting beam (4) is higher than the top of the plate surface (2), and the height of the horizontal section (303) is lower than the height of the main beam (1).

4. A fall-resistant skateboard suitable for long-distance gliding according to claim 1, characterized in that: The main beam frame (1), the sunken beam frame (3) and the front axle mounting beam frame (4) are an integrated structure. The main beam frame (1), the sunken beam frame (3), the front axle mounting beam frame (4) and the tail beam frame (7) are all hollow structures. The tail beam frame (7) is movably installed inside the hollow structure of the main beam frame (1).

5. A fall-resistant skateboard suitable for long-distance gliding according to claim 1, characterized in that: The main beam frame (1) has adjusting bolts (14) on both sides of one end of the main beam frame (1) near the tail beam frame (7). The tail beam frame (7) has adjusting holes (15) on both sides of the main beam frame (1). There are multiple adjusting holes (15), and the adjusting bolts (14) are connected to the adjusting holes (15).

6. A fall-resistant skateboard suitable for long-distance gliding according to claim 1, characterized in that: The front steering axle includes a front axle seat (16) and a front axle rod (17). The front axle seat (16) has a front axle rod (17) at its bottom, and the front axle wheel axle (5) is installed on both sides of the front axle rod (17).

7. A fall-resistant skateboard suitable for long-distance gliding according to claim 1, characterized in that: The front steering axle includes a front axle seat (16) and an upper anti-arc block (18). The upper anti-arc block (18) is symmetrically arranged at the bottom of the front axle seat (16), and the front axle wheel axle (5) is mounted on the side wall of the upper anti-arc block (18).

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