An amphibious all-terrain motorcycle

By designing foldable buoyancy seats, float boxes, and propellers on off-road motorcycles, amphibious driving has been achieved, solving the problem that existing off-road motorcycles cannot pass through water, and improving environmental adaptability and mobility.

CN122253589APending Publication Date: 2026-06-23ZHEJIANG PIONEER MACHINERY & ELECTRON
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG PIONEER MACHINERY & ELECTRON
Filing Date
2026-04-08
Publication Date
2026-06-23

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Abstract

This invention relates to the field of off-road motorcycle technology, and more particularly to an amphibious off-road motorcycle, comprising a body, a windshield fixedly connected to the upper left part of the body, a front frame and a rear frame respectively mounted on the left and right sides of the body, a front wheel mounted on the lower side of the front frame, and a rear wheel rotatably mounted on the lower side of the rear frame, and a foldable and unfoldable buoyancy seat mounted on the upper part of the body, the foldable buoyancy seat comprising a central part of the seat and side parts of the seat rotatably connected to both sides of the central part of the seat via stainless steel pivots, the central part of the seat being fixed to the upper side of the body. In this invention, the foldable buoyancy seat, body, float box, propeller, auxiliary power source and front frame and other structures enable the amphibious off-road motorcycle to flexibly switch between amphibious and land driving modes according to the needs of the driving environment, and can shorten the overall length of the motorcycle by folding when needed, saving parking space and facilitating motorcycle parking.
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Description

Technical Field

[0001] This invention relates to the field of off-road motorcycle technology, specifically to an amphibious off-road motorcycle. Background Technology

[0002] Off-road motorcycles are widely used in field exploration, mountain material transportation, and emergency rescue due to their lightweight, agility, and strong passability. Especially in complex terrains such as wilderness, dirt roads, and hills where the road network has not yet been covered, off-road motorcycles are an important tool for point-to-point rapid mobility. With the increase in field operations, adventure tourism, and other activities, higher requirements are being placed on the environmental adaptability of transportation vehicles.

[0003] However, existing off-road motorcycles generally suffer from limited usage scenarios. Their structural design is mainly geared towards land travel and lacks the necessary water travel capabilities. On the one hand, the existing motorcycle body and power system do not take into account the sealing requirements for underwater operations, making it impossible to directly enter the water for travel. On the other hand, existing motorcycles lack sufficient buoyancy design, making it difficult to ensure the vehicle floats in water and lacking the ability to propel itself in water. This results in them being unable to directly pass through rivers, lakes, and other bodies of water, severely limiting the practicality and maneuverability of off-road motorcycles in complex water and land environments. Therefore, based on the above problems, an amphibious off-road motorcycle is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide an amphibious off-road motorcycle to solve the problem that existing off-road motorcycles have limited use scenarios and lack the ability to travel in water, resulting in poor environmental adaptability.

[0005] To achieve the above objectives, the present invention provides the following technical solution: An amphibious off-road motorcycle includes a chassis. A windshield is fixedly connected to the upper left side of the chassis. A front frame and a rear frame are respectively mounted on the left and right sides of the chassis. A front wheel is mounted on the lower side of the front frame, and a rear wheel is rotatably mounted on the lower side of the rear frame. A foldable and unfoldable buoyancy seat is mounted on the upper part of the chassis. The foldable buoyancy seat includes a central part and side parts rotatably connected to both sides of the central part via stainless steel pivots. The central part is fixed to the upper side of the chassis. The side parts can rotate downward within a 90-degree range on the corresponding side of the central part. When the side parts rotate downward 90 degrees, they are in a folded state. A float is mounted on the right side of the chassis. A propeller is rotatably mounted on the rear side of the float. An auxiliary power source and an energy module are mounted inside the float. The auxiliary power source is connected to the propeller to drive the propeller.

[0006] Preferably, the sides of the seat cushion are all in contact with the front and rear ends of the vehicle body, and powerful magnets are installed in the opposing sides and the upper side of the pair of seat cushion sides, as well as the front and rear side slots in the middle of the seat cushion.

[0007] Preferably, the float is made of a material with a density less than water, the middle part and the side part of the cushion are both made of a material with a density less than water, and the lower side of the middle part of the cushion and the opposite sides of the pair of cushions are provided with hollow grooves.

[0008] Preferably, the energy module includes a lithium battery pack installed in the pontoon, and the rear frame integrates an active power source that is connected to the rear wheel drive. The active power source at the rear frame is a main motor, and the auxiliary power source is an auxiliary motor whose output shaft is connected to the propeller. The lithium battery pack supplies power to the auxiliary power source and the active power source at the rear frame.

[0009] Preferably, the auxiliary power source is a multi-fuel engine, the propeller is mounted on the output shaft of the multi-fuel engine, and the energy module includes a diesel tank, a gasoline tank and a kerosene tank installed inside the float box. The diesel tank, gasoline tank and kerosene tank are respectively connected to the multi-fuel engine through fuel delivery pipes.

[0010] Preferably, the front frame is a foldable bracket, which includes a main bracket and a folding rod. The upper end of the main bracket is rotatably connected to the left side of the vehicle body, and the front wheel is rotatably mounted on the lower end of the main bracket. The folding rod includes two hollow rod sections and a sliding rod. One end of each of the two rod sections faces each other and has an opening in the hollow area inside. The opposite ends of the two rod sections are respectively set as 45-degree slopes. The top of the slopes of the two rod sections are provided with a connecting shaft for conversion. The two ends of the sliding rod pass through the openings of the two rod sections into the two rod sections respectively. A spring is fixedly connected between the right end of the sliding rod and the right inner wall of the right rod section. The axial length of the sliding rod is less than the axial length of the hollow area of ​​the rod section. When the two rod sections are rotated to overlap at the 45-degree slope, the folding rod folds. The right end of the right rod section is rotatably connected to the vehicle body, and the left end of the left rod section is rotatably connected to the main bracket.

[0011] Preferably, at least one of the front wheel and the rear wheel is a hollow wheel.

[0012] Preferably, the vehicle body has an upward-opening cavity, and a tool shovel and an oxygen cylinder are placed inside the cavity. Side guard plates are installed on both the front and rear sides of the vehicle body.

[0013] Compared with the prior art, the beneficial effects of the present invention are: In this invention, the foldable buoyancy seat, vehicle body, float box, propeller, auxiliary power source, and front frame are designed to allow the foldable buoyancy seat to be folded up for ease of driving on land and unfolded in water to provide sufficient buoyancy support in conjunction with the float box and hollow wheels. The hollow structure also retains air to further increase buoyancy. The excellent sealing of the float box allows the auxiliary power source to be either an auxiliary electric motor or a traditional fuel engine to drive the propeller for power in water. The front frame can be folded for convenient parking and storage. This invention enables the amphibious off-road motorcycle to flexibly switch between land and water driving modes according to the driving environment. Furthermore, the overall length can be shortened by folding when needed, saving parking space and facilitating motorcycle parking. This solves the problem of existing off-road motorcycles having limited usage scenarios and poor environmental adaptability due to their lack of water driving capability. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 A front view diagram of the central structure; Figure 3 For the present invention Figure 2 A cross-sectional view of the central structure; Figure 4 This is a schematic diagram of the structure of the folding water-retaining buoyancy cushion of the present invention; Figure 5 This is a side view of the unfolded structure of the folded water-retaining buoyancy cushion of the present invention; Figure 6 For the present invention Figure 2 A schematic diagram of the stacked structure of the medium-sized structure; Figure 7 This is a cross-sectional view of the unfolded folding rod of the present invention; Figure 8 This is a schematic cross-sectional view of the folding rod of the present invention when folded.

[0015] In the diagram: 1. Windshield; 2. Side guard plate; 3. Front frame; 31. Main support; 32. Folding rod; 321. Rod body; 322. Adapter shaft; 323. Slide rod; 324. Spring; 4. Front wheel; 5. Float box; 6. Folding water-holding buoyancy seat; 61. Center of seat; 62. Side of seat; 63. Stainless steel pivot; 64. Strong magnet; 7. Lithium battery pack; 8. Diesel tank; 9. Gasoline tank; 10. Kerosene tank; 11. Auxiliary power source; 12. Propeller; 13. Oxygen cylinder; 14. Tool shovel; 15. Vehicle body; 16. Rear frame; 17. Rear wheel. Detailed Implementation

[0016] Example 1: Please refer to Figures 1-5 The present invention provides a technical solution: An amphibious off-road motorcycle includes a body 15, a windshield 1 fixedly connected to the upper left side of the body 15, a front frame 3 and a rear frame 16 respectively mounted on the left and right sides of the body 15, a front wheel 4 mounted on the lower side of the front frame 3, and a rear wheel 17 rotatably mounted on the lower side of the rear frame 16. A foldable and unfoldable buoyancy seat 6 is mounted on the upper part of the body 15, the foldable buoyancy seat 6 including a central part 61 and a part rotatably connected to the central part 61 via a stainless steel pivot 63. The side parts 62 and the middle part 61 of the seat cushion on both sides are fixed to the upper side of the vehicle body 15. The side parts 62 of the seat cushion can rotate downward within a range of 90 degrees on the corresponding side of the middle part 61 of the seat cushion. When the side parts 62 of the seat cushion rotate downward 90 degrees, they are in a folded state. A float box 5 is installed on the right side of the vehicle body 15. A propeller 12 is rotatably installed on the rear side of the float box 5. An auxiliary power source 11 and an energy module are installed inside the float box 5. The auxiliary power source 11 is connected to the propeller 12 to drive the propeller 12 to move.

[0017] The sides 62 of the seat cushion are all in contact with the front and rear ends of the vehicle body 15. Strong magnets 64 are installed in the grooves on the facing sides and top sides of the pair of seat cushion sides 62, as well as the front and rear sides of the seat cushion center 61. This arrangement allows the folding water-retention buoyancy seat 6 to be held in place on the vehicle body 15 by the strong magnets 64 on the sides of the seat cushion sides 62 when folded, keeping the folding water-retention buoyancy seat 6 in a folded state. When the folding water-retention buoyancy seat 6 is unfolded, it can be magnetically attracted by the strong magnets 64 on the top side of the seat cushion sides 62 and the sides of the seat cushion center 61. The folded, water-retaining buoyancy cushion 6 is kept flat. The float box 5 is made of a material with a density less than water. In this embodiment, the float box 5 can specifically be made of POM (polyoxymethylene), which has water resistance, abrasion resistance, and chemical resistance, effectively providing waterproofing and wear resistance. The middle part 61 and the side part 62 of the cushion are both made of a material with a density less than water. In this embodiment, the folded, water-retaining buoyancy cushion 6 can specifically be made of POM (polyoxymethylene), which has water resistance, abrasion resistance, and chemical resistance, and can be effectively used in water. The structure of the folded, water-retaining buoyancy cushion 6 is as follows: Figure 4 , Figure 5As shown, the lower side of the middle part 61 of the seat and the opposing sides of the pair of seat sides 62 are provided with hollow grooves. This design improves the buoyancy of the motorcycle in water. The energy module includes a lithium battery pack 7 installed in the float box 5. Therefore, the motorcycle in this embodiment is electrically driven. The rear frame 16 integrates the main power source that is connected to the rear wheel 17. The main power source at the rear frame 16 is the main motor. The auxiliary power source 11 is the auxiliary motor whose output shaft is connected to the propeller 12. The lithium battery pack 7 supplies power to the auxiliary power source 11 and the main power source at the rear frame 16. This design integrates the energy module and the auxiliary power source 11 into the float box 5 to form a good sealing and waterproof performance. At the same time, the lithium battery pack 7 can supply power to both the main power source for land travel and the auxiliary power source 11 for water travel, realizing energy sharing and power switching between the two travel modes, ensuring the reliability and safety of the motorcycle in amphibious environments.

[0018] Example 2: Please refer to Figure 3 The auxiliary power source 11 is a multi-fuel engine. The propeller 12 is mounted on the output shaft of the multi-fuel engine. The energy module includes a diesel tank 8, a gasoline tank 9, and a kerosene tank 10 installed inside the float 5. The diesel tank 8, gasoline tank 9, and kerosene tank 10 are respectively connected to the multi-fuel engine through fuel delivery pipes. In this embodiment, the other structures are the same as in embodiment 1. The difference is that the auxiliary power source 11 uses a multi-fuel engine instead of an auxiliary electric motor and is also set inside the float 5. At the same time, the diesel tank 8, gasoline tank 9, and kerosene tank 10 are arranged as energy modules inside the float 5. The output shaft of the multi-fuel engine extends out from the rear of the float 5, and the propeller 12 is mounted on the output shaft of the multi-fuel engine. Since the multi-fuel engine and the diesel tank 8, gasoline tank 9, and kerosene tank 10 are all integrated in the sealed float 5, they also have good waterproof sealing performance. Therefore, the auxiliary power source can be a traditional fuel engine. When traveling in water, the multi-fuel engine 11 drives the propeller 12 to rotate to achieve underwater propulsion.

[0019] Example 3: Please refer to Figures 2-3 and Figures 6-8The front frame 3 is a foldable support, comprising a main support 31 and a folding rod 32. The upper end of the main support 31 is rotatably connected to the left side of the vehicle body 15, and the front wheel 4 is rotatably mounted on the lower end of the main support 31. The folding rod 32 comprises two hollow rod sections 321 and a sliding rod 323. One end of each of the two rod sections 321 faces each other and has an opening in the hollow area inside. The opposite ends of the two rod sections 321 are respectively set as 45-degree slopes. A connecting shaft 322 for use as a folding device is provided at the top of the slope of each of the two rod sections 321, so that the two rod sections 321 can be rotated and folded to a mutually perpendicular state. The two ends of the sliding rod 323 are respectively inserted into the two rod sections 321 through the openings. A spring 324 is fixedly connected between the right end of the sliding rod 323 and the right inner wall of the right rod section 321. The axial length of the sliding rod 323 is less than the axial length of the hollow area of ​​the rod section 321. When the two rod sections... When 321 is rotated to a 45-degree angled overlap, the folding rod 32 folds. The right end of the right rod 321 is rotatably connected to the vehicle body 15, and the left end of the left rod 321 is rotatably connected to the main support 31. In this embodiment, the other structures are the same as in embodiment 1 or 2, except that the front frame 3 is a foldable support. By bending the main support 31 backward, the two sections of the folding rod 321 can be folded to a mutually perpendicular state, thereby allowing the front frame 3 to be in a proper folded state. At this time, the sliding rod 323 is compressed into the rod 321 where the spring 324 is located, and the spring 324 is also compressed. When the front frame 3 is unfolded, the spring 324 plays an auxiliary role through its compression elasticity. The spring 324 pushes the sliding rod 323 to slide out of the rod 321. When the sliding rod 323 slides out, it pushes the other section of the rod 321 to extend, thereby allowing the front frame 3 to unfold quickly. Through the above structure, the motorcycle can be easily folded and unfolded.

[0020] Example 4: Please refer to Figure 1-3 and Figure 6 At least one of the front wheel 4 and the rear wheel 17 is a hollow wheel. In this embodiment, the other structures are the same as in embodiment 1, 2 or 3. The difference is that the front wheel 4 is set as a hollow wheel to further provide buoyancy. Of course, the rear wheel 17 can also be set as a hollow wheel, but in order to ensure the stability of the vehicle when driving in rear-wheel drive on land, the rear wheel 17 is generally a regular wheel.

[0021] Example 5: Please refer to Figures 1-3 The vehicle body 15 has an upward-opening cavity. A tool shovel 14 and an oxygen cylinder 13 are placed inside the cavity. Side guard plates 2 are installed on both the front and rear sides of the vehicle body 15. In this embodiment, the other structures are the same as in embodiments 1, 2, 3, or 4. The difference is that side guard plates 2 are installed on the sides of the vehicle body 15 to further improve the protection capability. In addition, a cavity is provided in the vehicle body 15 to place tools such as oxygen cylinders 13 and tool shovels 14 for off-road driving, so as to expand the use of the motorcycle.

[0022] Workflow: The operation of the amphibious off-road motorcycles in Examples 1-5 is as follows: First, switch the motorcycle to land driving mode. Rotate the side cushions 62 on both sides of the folded water-holding buoyancy seat 6 downwards by 90 degrees along the stainless steel pivot 63 to the folded state, so that the side cushions 62 on both sides are in contact with the front and rear surfaces of the vehicle body 15 respectively, and are fixed by strong magnets 64. At this time, the lithium battery pack 7 supplies power to the main motor, which drives the rear wheel 17 to rotate, allowing the motorcycle to drive normally on land. When it is necessary to switch to water driving mode, rotate the side cushions 62 on both sides of the folded water-holding buoyancy seat 6 upwards to the horizontal unfolded state, and then... The strong magnets 64 in the grooves of the side part 62 of the seat 61 and the seat cushion attract each other to fix them in place, keeping the folding water-holding buoyancy seat 6 fully unfolded to provide sufficient buoyancy support. Since the hollowed-out grooves of the folding water-holding buoyancy seat 6 face downwards after unfolding, a certain amount of air can be retained inside to further increase buoyancy. Simultaneously, the float box 5 and the folding water-holding buoyancy seat 6 cooperate with each other, and together with the additional buoyancy provided by the hollow structure of the front wheel 4 or the rear wheel 17, they work together to keep the vehicle body 15 stably floating on the water surface and ensure that the rider is above the water. Then, the auxiliary power source 11 is activated, driving the propeller 12 to rotate, allowing the motorcycle to travel in the water. When the auxiliary power source 11 is an auxiliary electric motor, the lithium battery pack 7 supplies power to the auxiliary power source 11. 1. The auxiliary power source 11 is powered by an auxiliary electric motor, or when the auxiliary power source 11 is a multi-fuel engine, it is driven by a diesel tank 8, a gasoline tank 9, or a kerosene tank 10. When parking is required, the main support 31 of the front frame 3 is pulled back, so that the two sections 321 of the folding rod 32 rotate around the transition shaft 322 to overlap at a 45-degree angle and fold into a folded state. At this time, the slide rod 323 compresses the spring 324 and retracts into the right side rod 321, realizing the folding and parking of the front frame 3. When returning to land from the water, the auxiliary power source 11 is turned off, the side of the seat 62 is folded back, and the land driving mode of the rear wheel 17 driven by the main power source is switched. During the driving process, the side guard plate 2 and the wind deflector 1 can provide protection, and the oxygen cylinder 13 or tools can be taken out from the cavity of the vehicle body 15 when needed. Shovel 14; When it is necessary to park and store, the main support 31 of the front frame 3 is pulled backward, so that the two sections 321 of the folding rod 32 rotate relative to each other around the transition shaft 322 to overlap at a 45-degree angle and fold into a folded state. At this time, the sliding rod 323 moves to the right and compresses the spring 324 to retract into the right side rod 321, realizing the folding and storage of the front frame 3 to move the front wheel 4 to the right, thus shortening the overall length of the motorcycle. This enables the amphibious off-road motorcycle to flexibly switch between amphibious and land driving modes according to the needs of the driving environment, and can shorten the overall length of the motorcycle by folding when needed, saving parking space, facilitating motorcycle parking, improving the user experience of the motorcycle, and solving the problem of poor environmental adaptability caused by the limited use scenarios and lack of water driving ability of existing off-road motorcycles.

[0023] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be noted that due to the limitations of textual expression, while there are objectively infinite specific structures, those skilled in the art can make several improvements, modifications, or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. An amphibious off-road motorcycle, comprising a chassis (15), characterized in that: A windshield (1) is fixedly connected to the upper left part of the vehicle body (15). A front frame (3) and a rear frame (16) are respectively installed on the left and right sides of the vehicle body (15). A front wheel (4) is installed on the lower side of the front frame (3), and a rear wheel (17) is rotatably installed on the lower side of the rear frame (16). A foldable and unfoldable foldable water-holding buoyancy seat (6) is installed on the upper part of the vehicle body (15). The foldable water-holding buoyancy seat (6) includes a seat center (61) and seat side parts (62) rotatably connected to both sides of the seat center (61) via a stainless steel pivot (63). The middle part (61) of the seat cushion is fixed to the upper side of the vehicle body (15). The side parts (62) of the seat cushion can rotate downward within a range of 90 degrees from the corresponding side of the middle part (61). When the side parts (62) of the seat cushion rotate downward 90 degrees, they are in a folded state. A float box (5) is installed on the right side of the vehicle body (15). A propeller (12) is rotatably installed on the rear side of the float box (5). An auxiliary power source (11) and an energy module are installed on the inner side of the float box (5). The auxiliary power source (11) is connected to the propeller (12) to drive the propeller (12) to move.

2. The amphibious off-road motorcycle according to claim 1, characterized in that: The side portions (62) of the seat cushion are all in contact with the front and rear ends of the vehicle body (15), and powerful magnets (64) are installed in the opposing sides and upper sides of the pair of side portions (62) of the seat cushion and the front and rear side slots of the middle portion (61) of the seat cushion.

3. The amphibious off-road motorcycle according to claim 1, characterized in that: The float (5) is made of a material with a density less than that of water. The middle part (61) and the side part (62) of the cushion are both made of a material with a density less than that of water. Hollow grooves are provided on the lower side of the middle part (61) and the opposite sides of the pair of side parts (62).

4. The amphibious off-road motorcycle according to claim 1, characterized in that: The energy module includes a lithium battery pack (7) installed in the float box (5). The rear frame (16) integrates an active power source that is connected to the rear wheel (17). The active power source at the rear frame (16) is a main motor. The auxiliary power source (11) is an auxiliary motor whose output shaft is connected to the propeller (12). The lithium battery pack (7) supplies power to the auxiliary power source (11) and the active power source at the rear frame (16).

5. The amphibious off-road motorcycle according to claim 1, characterized in that: The auxiliary power source (11) is a multi-fuel engine. The propeller (12) is installed on the output shaft of the multi-fuel engine. The energy module includes a diesel tank (8), a gasoline tank (9) and a kerosene tank (10) installed inside the float box (5). The diesel tank (8), gasoline tank (9) and kerosene tank (10) are respectively connected to the multi-fuel engine through fuel delivery pipes.

6. The amphibious off-road motorcycle according to claim 1, characterized in that: The front frame (3) is a foldable frame. The front frame (3) includes a main frame (31) and a folding rod (32). The upper end of the main frame (31) is rotatably connected to the left side of the vehicle body (15). The front wheel (4) is rotatably mounted on the lower end of the main frame (31). The folding rod (32) includes two hollow rods (321) and a sliding rod (323). One end of each of the two rods (321) faces each other and has an opening in the hollow area inside. The opposite ends of the two rods (321) are respectively set as 45-degree slopes. The top of the slopes of the two rods (321) are provided with a transfer function. The adapter shaft (322) and the slide rod (323) are respectively inserted into the two rod sections (321) through the openings of the two rod sections (321). A spring (324) is fixedly connected between the right end of the slide rod (323) and the right inner wall of the right rod section (321). The axial length of the slide rod (323) is less than the axial length of the hollow area of ​​the rod section (321). When the two rod sections (321) are rotated to overlap at a 45-degree angle, the folding rod (32) is folded. The right end of the right rod section (321) is rotatably connected to the vehicle body (15), and the left end of the left rod section (321) is rotatably connected to the main bracket (31).

7. The amphibious off-road motorcycle according to claim 1, characterized in that: At least one of the front wheel (4) and the rear wheel (17) is a hollow wheel.

8. An amphibious off-road motorcycle according to claim 1, characterized in that: The vehicle body (15) has an upward-opening recessed cavity. A tool shovel (14) and an oxygen cylinder (13) are placed inside the recessed cavity of the vehicle body (15). Side guard plates (2) are installed on both the front and rear sides of the vehicle body (15).