A water bicycle with paddleboards
By designing detachable paddles and propellers on the water bike, the problems of inconvenient storage and complex power transmission of existing water bikes have been solved, realizing the product's multi-functionality and ease of maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CIXI WAN CROCODILE SPORTING GOODS CO LTD
- Filing Date
- 2025-09-18
- Publication Date
- 2026-06-30
Smart Images

Figure CN224427743U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water bicycles, and more particularly to a water bicycle with paddleboards. Background Technology
[0002] Improved living standards and cultural expectations have spurred various forms of leisure and sports. Most notably, land-based sports have become increasingly popular. For example, land-based sports are readily accessible and safe, and the equipment used is relatively easy to obtain, leading to a wide variety of popular sports, fitness activities, cycling, and hiking. In addition, water sports have become a focus. However, water sports are limited by accessibility and safety, and the equipment used is more expensive and difficult to master, thus limiting their widespread popularity compared to land-based sports.
[0003] To popularize water sports and make them safe and easy for the general public to enjoy, high accessibility is essential. In our country, many rivers and lakes have depths of about 30 centimeters or relatively fast-flowing sections. Under such circumstances, water biking is considered a water sport that can be safely enjoyed in most rivers and lakes.
[0004] Existing water bikes typically have floats at the bottom, using the buoyancy generated by the floats to keep the bike afloat and enable riding on the water. However, this design usually makes it impossible to separate the bike body from the floats, making storage very inconvenient. Furthermore, the bike body and floats need to be used simultaneously, reducing product versatility. In addition, the power transmission system of existing water bikes, which transmits power to the propeller in the water, is relatively complex, causing inconvenience for subsequent maintenance. Utility Model Content
[0005] The technical problem to be solved by this utility model is to provide a water bicycle with a paddleboard, in view of the current state of the technology.
[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a water bicycle with a paddleboard, including a body and an inflatable paddleboard, wherein the body is detachably mounted on the paddleboard, and a propeller structure extends from the rear end of the body to the bottom of the paddleboard. The propeller structure is connected to the body through a gear-changing structure. The gear-changing structure includes a drive unit for providing power to the propeller structure and realizing gear changing, and the gear-changing structure also includes a steering unit for enabling the propeller structure to turn freely.
[0007] Preferably, the rear end of the vehicle body is provided with a mounting base for fixing the transmission structure. The drive unit includes a driven wheel located on the side of the mounting base. The drive unit also includes a gearbox located on the mounting base. The gearbox contains a spiral bevel gear structure connected to the driven wheel. The spiral bevel gear structure is connected to the propeller structure.
[0008] Preferably, the vehicle body is provided with a movable foot pedal, and a drive wheel is provided between the foot pedal and the vehicle body. The end of the foot pedal is connected to the center of the drive wheel, and the outer edge of the drive wheel and the outer edge of the driven wheel are connected by a belt.
[0009] Preferably, when the foot pedal is pressed, the foot pedal drives the drive wheel to rotate around the center. The drive wheel drives the driven wheel to rotate around the center via a belt. The driven wheel drives the spiral bevel gear structure connected to it to rotate. The spiral bevel gear structure rotates and provides power to the propeller structure. The propeller structure rotates under the drive of the spiral bevel gear structure.
[0010] Preferably, the gearbox has a housing at the end away from the vehicle body, the steering unit includes a pulley disposed in the housing, the vehicle body has a handle for controlling the direction of rotation, the steering unit also includes a control cable connecting the handle and the pulley, the housing has a pulley connector at the end away from the vehicle body, and the pulley is connected to the propeller structure through the pulley connector.
[0011] Preferably, the propeller structure includes an outer curved tube connected to a pulley connector, and a flexible steel wire shaft for transmitting driving force is provided inside the outer curved tube. One end of the flexible steel wire shaft is connected to a spiral bevel gear structure, and the other end of the flexible steel wire shaft is connected to a propeller. A rudder blade is sleeved on the outer curved tube to counteract the reaction force generated when the propeller rotates.
[0012] Preferably, the vehicle body includes a frame and at least two connecting pipes passing through the bottom of the frame. The connecting pipes are detachably mounted on the frame. A connecting seat that mates with the connecting pipes is fixed on the paddleboard. The frame and the paddleboard are detachably connected by the mating connection of the connecting pipes and the connecting seat.
[0013] Preferably, the frame is provided with a seat, and the end of the seat extends upward to provide a semi-reclining backrest.
[0014] Compared with the prior art, the advantages of this utility model are as follows: the entire vehicle body can be detached and mounted on the paddleboard, which is convenient for storage and the paddleboard can be used separately after the vehicle body is detached, realizing the multi-functionality of the product. In the transmission structure, the forward and backward movement and speed change functions of the water bicycle are realized through the drive unit, and the free steering of the water bicycle is realized through the steering unit, which greatly improves the freedom of the water bicycle. Moreover, the structure is simple and convenient for later maintenance. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the structure of this utility model;
[0017] Figure 3 This is an appendix to the utility model Figure 2A magnified schematic diagram of part A in the diagram.
[0018] Reference numerals: 1. Vehicle body; 2. Paddleboard; 3. Mounted seat; 4. Driven wheel; 5. Gearbox; 6. Foot pedal; 7. Drive wheel; 8. Belt; 9. Housing; 10. Handle; 11. Control cable; 12. Pulley connector; 13. Outer bend tube; 14. Propeller; 15. Rudder; 16. Frame; 17. Connecting tube; 18. Connecting seat; 19. Seat; 20. Semi-reclining backrest. Detailed Implementation
[0019] The following drawings will disclose several embodiments of this utility model. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.
[0020] It should be noted that all directional indicators in this utility model embodiment, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0021] Furthermore, in addition to indicating orientation or positional relationship, the aforementioned terms may also be used to indicate other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. For those skilled in the art, the specific meaning of these terms in this utility model can be understood according to the specific circumstances.
[0022] Furthermore, the terms "installation," "setting," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral structures; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two devices, components, or parts. The connection methods described herein are existing technologies without any modifications and are common knowledge to those skilled in the art. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0023] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0024] like Figures 1 to 3 As shown, this utility model provides a water bicycle with a paddleboard, including a body 1 and an inflatable paddleboard 2. The body 1 is detachably mounted on the paddleboard 2. A propeller structure extends from the rear end of the body 1 to the bottom of the paddleboard 2. The propeller structure is connected to the body 1 through a gear transmission structure. Specifically, the gear transmission structure includes a drive unit for providing power to the propeller structure and realizing gear shifting, and the gear transmission structure also includes a steering unit for enabling the propeller structure to steer freely.
[0025] The rear end of the vehicle body 1 is provided with a fixed seat 3 for fixing the transmission structure. The drive unit includes a driven wheel 4 located on the side of the fixed seat 3. The drive unit also includes a gearbox 5 located on the fixed seat 3. Specifically, the gearbox 5 is provided with a spiral bevel gear structure connected to the driven wheel 4. The spiral bevel gear structure is connected to the propeller structure.
[0026] The vehicle body 1 is equipped with a foot pedal 6 that can be stepped on, and a drive wheel 7 is provided between the foot pedal 6 and the vehicle body 1; specifically, the end of the foot pedal 6 is connected to the center of the drive wheel 7, and the outer edge of the drive wheel 7 and the outer edge of the driven wheel 4 are connected by a belt 8.
[0027] When the foot pedal 6 is pressed, the foot pedal 6 drives the drive wheel 7 to rotate around the center. The drive wheel 7 drives the driven wheel 4 to rotate around the center via the belt 8. The driven wheel 4 drives the spiral bevel gear structure connected to it to rotate. Specifically, the spiral bevel gear structure rotates and provides power to the propeller structure. The propeller structure rotates under the drive of the spiral bevel gear structure.
[0028] The gearbox 5 is provided with a housing 9 at the end away from the vehicle body 1. The steering unit includes a pulley located inside the housing 9. The vehicle body 1 is provided with a handle 10 for controlling the direction of rotation. Specifically, the steering unit also includes a control cable 11 connecting the handle 10 and the pulley. The end of the housing 9 away from the vehicle body 1 is provided with a pulley connector 12. The pulley is connected to the propeller structure through the pulley connector 12.
[0029] The propeller structure includes an outer curved tube 13 connected to a pulley connector 12. The outer curved tube 13 is provided with a flexible steel wire shaft for transmitting driving force. One end of the flexible steel wire shaft is connected to a spiral bevel gear structure, and the other end of the flexible steel wire shaft is connected to a propeller 14. Specifically, a rudder plate 15 is sleeved on the outer curved tube 13 to counteract the reaction force generated when the propeller 14 rotates.
[0030] The vehicle body 1 includes a frame 16 and at least two connecting pipes 17 passing through the bottom of the frame 16. The connecting pipes 17 are detachably mounted on the frame 16. Specifically, the paddle 2 is fixedly provided with a connecting seat 18 that mates with the connecting pipes 17. The frame 16 and the paddle 2 are detachably connected by the mating connection of the connecting pipes 17 and the connecting seat 18.
[0031] The frame 16 is equipped with a seat 19, and a semi-reclining backrest 20 extends upward from the end of the seat 19. The semi-reclining backrest 20 improves the user's comfort, making the riding posture comfortable and pleasant, and achieving the effect of relaxing the mind and body.
[0032] The working principle of this utility model is as follows: The user sits on the seat 19 and presses the foot pedal 6. The foot pedal 6 rotates, causing the connected drive wheel 7 to rotate around its own center. The rotation of the drive wheel 7 drives the driven wheel 4 to rotate around its own center via the belt 8. The rotation of the driven wheel 4 drives the connected spiral bevel gear structure to rotate. The rotation of the spiral bevel gear structure transmits power directly to the propeller 14 at the end through the flexible steel wire shaft, causing the propeller 14 to rotate in the water and drive the vehicle body 1 and the paddle 2 to move. The flexible steel wire shaft itself is the structure used to transmit power. The user presses the foot pedal 6 clockwise or counterclockwise to make the propeller 14 rotate clockwise or counterclockwise, thereby realizing the forward or backward movement of the vehicle body 1 and the paddle 2 as a whole. At the same time, the user speeds up or slows down the speed of pressing the foot pedal 6 to make the propeller 14 rotate faster or slower, thereby realizing the speed change movement of the vehicle body 1 and the paddle 2 as a whole.
[0033] The user sits on seat 19 and rotates handle 10 horizontally. Since handle 10 is connected to control cable 11, control cable 11 is connected to pulley, and pulley is connected to outer bend tube 13 through pulley connector 12, handle 10 controls outer bend tube 13 to turn through control cable 11, pulley and pulley connector 12 in sequence. Turning outer bend tube 13 enables propeller 14 to turn freely in water, thereby enabling free turning of vehicle body 1 and propeller 2 as a whole.
[0034] By removing the connecting pipe 17 from the frame 16, the user can detach the connecting pipe 17 from the connector 18, thereby disassembling the vehicle body 1 from the paddleboard 2 and enabling the paddleboard 2 to be used independently.
[0035] The advantages of this utility model are as follows: the vehicle body 1 can be detached and mounted on the paddleboard 2, which is convenient for storage and allows the vehicle body 1 to be disassembled and the paddleboard 2 to be used separately, thus realizing the multi-functionality of the product. In the transmission structure, the forward and backward movement and speed change functions of the water bicycle are realized through the drive unit, and the free steering of the water bicycle is realized through the steering unit, which greatly improves the freedom of the water bicycle. Moreover, the structure is simple and convenient for later maintenance.
[0036] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0037] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, welding, and bonding that are mature in the existing technology, and will not be described in detail here.
[0038] The above description is only a preferred embodiment of this utility model. For those skilled in the art, various modifications and variations can be made in the specific implementation and application scope based on the idea of this utility model. The content of this specification should not be construed as a limitation of this utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.
Claims
1. A pedalcraft with a paddleboard, comprising a vehicle body and an inflatable paddleboard, characterized in that: The vehicle body is detachably mounted on the paddle plate. A propeller structure extends from the rear end of the vehicle body to the bottom of the paddle plate. The propeller structure is connected to the vehicle body through a transmission structure. The transmission structure includes a drive unit for providing power to the propeller structure and realizing speed change, and also includes a steering unit for enabling the propeller structure to turn freely.
2. A water bicycle with paddleboards according to claim 1, characterized in that: The rear end of the vehicle body is provided with a mounting base for fixing the transmission structure. The drive unit includes a driven wheel located on the side of the mounting base. The drive unit also includes a gearbox located on the mounting base. The gearbox contains a spiral bevel gear structure connected to the driven wheel. The spiral bevel gear structure is connected to the propeller structure.
3. A water bicycle with paddleboards according to claim 2, characterized in that: The vehicle body is equipped with a foot pedal that can be stepped on. A drive wheel is provided between the foot pedal and the vehicle body. The end of the foot pedal is connected to the center of the drive wheel. The outer edge of the drive wheel and the outer edge of the driven wheel are connected by a belt.
4. A water bicycle with paddleboards according to claim 3, characterized in that: When the foot pedal is pressed, the foot pedal drives the drive wheel to rotate around the center. The drive wheel drives the driven wheel to rotate around the center via a belt. The driven wheel drives the spiral bevel gear structure connected to it to rotate. The spiral bevel gear structure rotates and provides power to the propeller structure. The propeller structure rotates under the drive of the spiral bevel gear structure.
5. A water bicycle with paddleboards according to claim 2, characterized in that: The gearbox has a housing at the end away from the vehicle body. The steering unit includes a pulley inside the housing. The vehicle body has a handle for controlling the direction of rotation. The steering unit also includes a control cable connecting the handle and the pulley. The housing has a pulley connector at the end away from the vehicle body. The pulley is connected to the propeller structure through the pulley connector.
6. A water bicycle with paddleboards according to claim 5, characterized in that: The propeller structure includes an outer curved tube connected to a pulley connector. Inside the outer curved tube is a flexible steel wire shaft for transmitting driving force. One end of the flexible steel wire shaft is connected to a spiral bevel gear structure, and the other end of the flexible steel wire shaft is connected to a propeller. A rudder plate is fitted on the outer curved tube to counteract the reaction force generated when the propeller rotates.
7. A water bicycle with paddleboards according to claim 1, characterized in that: The vehicle body includes a frame and at least two connecting pipes passing through the bottom of the frame. The connecting pipes are detachably mounted on the frame. A connecting seat that mates with the connecting pipes is fixed on the paddleboard. The frame and the paddleboard are detachably connected by the mating connection of the connecting pipes and the connecting seat.
8. A water bicycle with paddleboards according to claim 7, characterized in that: The frame is equipped with a seat, and the end of the seat extends upward to provide a semi-reclining backrest.