Multifunctional car roof device

Abstract

The invention discloses a multifunctional car roof device. The multifunctional car roof device serves as a car roof tent or a trunk and has at least one function that a trailer or a main body part with detachable tires and suspensions can serve as a ship. Comprising a subject part and a detachable functional assembly which are connected through a standardized interface to realize multiple functions. The functional assemblies comprise a trailer, a water vehicle, a land vehicle, a roof tent, a solar power generation assembly, a fishery fishing and mineral separation assembly, a mortar pump, a filter press, a high-pressure water pump, a self-cruising device and the like, and the multifunctional vehicle is suitable for traveling, transportation, emergency rescue, fire fighting, outdoor activities, special operation scenes and the like and has high flexibility, practicability and wide application prospects. The theme part is made of light high-strength materials and is designed in an integrated and modularized mode.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle accessories, and more particularly to a device that can be fixed on the top of a vehicle and has multiple functions. The device can realize multiple functions such as a roof luggage box, a roof tent, a trailer, a water vehicle or a land vehicle by means of detachable functional components, and is particularly suitable for outdoor activities or transportation scenarios with multi-functional conversion requirements. Background Art

[0002] In recent years, with the improvement of people's living standards, outdoor activities such as camping and self-driving tours have become increasingly popular. According to data from market research institutions, in the past five years, the global outdoor activity equipment market has grown at an average annual compound growth rate of 7.0% during the forecast period, and the vehicle roof device market has also expanded rapidly. However, traditional roof devices have many limitations. For example, the function of the common roof luggage boxes on the market is limited to storing items, and the internal space design is unreasonable, and the space cannot be fully utilized, resulting in inconvenience in storing items; the roof tent is cumbersome to operate during the installation and disassembly process, which requires a lot of time and effort, and its structural stability is poor, and there are safety hazards when used in severe weather conditions; trailers or water vehicles need to be purchased and stored separately, which is not only costly, but also takes up a lot of storage space. These problems seriously limit the user experience in different scenarios and cannot meet the user's demand for multi-functional and convenient equipment. Summary of the invention

[0003] The present invention aims to provide a multifunctional roof device, which effectively solves the problem of single function and complex switching of roof devices in the prior art. Through modular functional component design, the device can quickly switch between multiple functions such as roof luggage box, roof tent, trailer, water vehicle or land vehicle, fully meeting the diverse needs of users in different scenarios. Main part

[0004] The main body is made of lightweight and high-strength aluminum alloy (such as 6061 aluminum alloy, which has good strength-to-weight ratio, corrosion resistance and processing performance) or carbon fiber composite materials. Advanced manufacturing processes are used, such as first using CNC equipment to accurately make molds, and then hot pressing to ensure stable product quality and high precision. Reasonable storage space is designed inside the box, which can be used to store items to meet the use requirements of a roof luggage box. Modular design of functional components

[0005] It is composed of the tires and suspension of the trailer component, and is equipped with an independent power unit and control device, with good controllability and stability. After being installed in the box, it can be used as an independent land transportation tool (depending on the battery capacity and power system efficiency). In addition, the detachable tires and suspension combined with the frame and steering components can also be used as a small scooter, which is convenient for short-distance travel in camping sites, scenic spots and other places. Roof tent components

[0006] It mainly includes trailer components, water vehicle components, land vehicle components and roof tent components. Each component is designed according to the standardized interface, and can be quickly installed and removed from the box through simple plug-in, pull-out, screw-in and other operations. This modular design not only improves the convenience of use, but also facilitates later maintenance and upgrades. Trailer components

[0007] It includes removable tires and suspension. The tires are selected with specifications that are compatible with the vehicle (such as the tire specifications that are compatible with common family cars are [specific specifications]), and the suspension is made of high-strength steel to ensure load-bearing capacity and stability. After the tires and suspension are installed at the bottom of the box, the box can be used as a trailer. The trailer component is equipped with a towing device, such as a trailer hook ball head, which is used to connect the vehicle to achieve a reliable trailer function. In addition, the trailer component also reserves multiple equipment installation positions, which can be used to install solar panels, wind turbines, metal detectors, high-definition cameras, energy storage batteries, drone landing and take-off platforms and other equipment to meet the user's needs in different scenarios. Water vehicle components

[0008] It is equipped with a power installation position, where a marine engine or a jet pump can be installed. The size and connection method of the marine engine installation position conform to the general industry standards and can be adapted to a variety of common marine engine models; the jet pump installation position also has a standardized design to ensure the stability and reliability of the jet pump installation. After installing the marine engine or the jet pump, the box can be used as a water transportation tool in the water. The component can also be installed with sonar, high-definition cameras, metal detectors, mortar pumps, jet pumps, fire pumps, drone landing and take-off platforms and other equipment to meet the needs of different water application scenarios. For example, when a jet pump is installed and the jet pump outlet is connected or replaced with a standard fire pipe connector, the device can be used as a water intake boat; by installing a tee and adding a large-flow valve to the jet pump, the fire pipe interface end and the jet pump power outlet end can be controlled separately to achieve different functions. Land vehicle components

[0009] The land vehicle component is composed of the tires and suspension of the trailer component, and is equipped with an independent power unit and control device, with good controllability and stability. After being installed in the box, it can be used as an independent land vehicle (depending on the battery capacity and power system efficiency). In addition, the detachable tires and suspension combined with the frame and steering components can also be used as a small scooter, which is convenient for short-distance travel in camping sites, scenic spots and other places. Roof tent components

[0010] It can be set inside or outside the box. When it is set inside the box, it adopts a folding design and does not take up extra space; when it is set outside the box, it is connected to the box through a convenient installation structure. The roof tent assembly includes a foldable tent bracket and a waterproof tent cloth. The tent bracket is made of high-strength aluminum alloy, which is light in weight and high in strength; the tent cloth is made of fabric with excellent waterproof performance and has undergone special anti-ultraviolet treatment. The tent cloth is connected to the tent bracket, and after unfolding, it can form a roof tent, providing users with a comfortable temporary accommodation space. After the tent is raised, lightweight boards (glass fiber board or carbon fiber board foam composite board, hollow blow molded board, wooden board, etc.) can be used around it to be set inside or outside the box, and connected to the main part through a reserved interface to further improve the sealing and safety of the tent. The interior of the tent is equipped with LED lighting fixtures, AC 220V power supply, and USB 5V socket to provide convenience for users. Standardized interfaces

[0011] It includes reserved installation holes and electrical connection interfaces. The reserved installation holes are designed with reserved holes, reserved slots, screws and hooks, etc., and their size, position and strength are precisely calculated and tested to ensure the accuracy and firmness of the installation of functional components. The electrical connection interface includes solar panel interface, power inverter interface, external power interface, which can be connected to the mains or other power supply equipment), water pump interface and auxiliary power interface, so as to realize the rapid installation and removal of functional components and ensure stable power supply. The interface adopts uniform size specifications (such as reserved hole diameter of

[12] mm, reserved slot width of

[22] mm, screw specification of M

[10] , etc., reserved pipelines (DN20, 25, 32), and has good electrical connection performance (the electrical connection interface part adopts fixed aviation connectors, 12V DC wiring terminals, 5V DC sockets, 220V waterproof AC sockets, etc. in accordance with [specific electrical standards]), which can realize rapid and stable connection with various functional components. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a trailer and box mounting diagram, which clearly shows the connection method between the trailer assembly and the box, as well as the relative position relationship of each component. Among them, the main part (box) 1 is the core structure of the entire device, and the tire and suspension (trailer assembly) 3 are installed at the bottom of the box and connected to the box through the trailer frame 42. The trailer hook ball head 43 is used to connect the vehicle to realize the trailer function. The trailer frame 42 provides support for the entire trailer structure, and the trailer hanging hole 41 and the front wheel frame hanging hole 42 are used to install their equipment.

[0013] FIG2 is a jet-powered boat, showing the state of the water vehicle assembly installed on the box. The external ship engine installation position 11 and the ship jet pump installation position 122 are used to install the ship engine and the jet pump respectively, and the ship spray water nozzle 123 can be connected or replaced with a standard fire hose connector as needed. At this time, the box is used as a water vehicle in the water, with functions such as transportation and operation.

[0014] Figure 3 shows a box without accessories, showing the basic structure of the box. The box edge, top, interior, and tail are all equipped with standardized interfaces for connecting with various functional components. The storage space inside the box can be used to store items and used as a roof luggage box.

[0015] Figure 4 shows the roof tent when it is lifted up, showing the state of the roof tent assembly after it is unfolded. The tent has a spacious interior, providing users with a comfortable accommodation environment. The tent bracket is set inside or outside the box, and the stability and safety of the tent are ensured through reasonable structural design (the figure only shows the main frame of the tent, and there are two options for waterproof and heat-insulating soft materials such as cloth, felt, curtains and hard boards such as wood boards, hollow plastic boards, various types of insulation boards, etc.).

[0016] Figure 5 shows the function of a detachable tire truck, showing the structure of the trailer assembly in a loaded state. The tires and suspension 3 provide support and driving ability for the vehicle, and the frame and steering assembly 33 ensure the vehicle's maneuverability. At this time, the box body serves as a loading platform and can transport various goods.

[0017] FIG6 is a structure of a wheel frame of a small vehicle, showing the components of the wheel frame in detail, including rear wheels or driving wheels 31, front wheels 32, frame and steering assembly 33, steering shaft sleeve 34, steering shaft 35, fixing pin 36, frame plug hole 37, etc., and each component works together to realize the driving and steering functions of the vehicle.

[0018] Figure 7 shows a wheel-frame combined independent vehicle, showing the state of the land vehicle assembly as an independent vehicle. The tire and suspension 3 are combined with the frame and steering assembly 33, and equipped with an independent power device and control device, so that the vehicle can travel independently and meet the needs of short-distance travel.

[0019] Labels: 1. Box body 11. External ship engine installation position 12. Marine spray pump installation position 123. Marine spray water nozzle (a conversion head can be made here to connect with the universal standard fire pipe) 13. Four-way universal link (fixed on the box body) Lifting bracket 21. Reserved external link (fixed on the lifting bracket) 22. Bracket support rod (pneumatic, electric, slide, notch slot, hydraulic, etc. can all realize its function) Trailer assembly 31. Rear wheel or drive wheel (it is recommended to use the vehicle spare tire when matching with the vehicle) 32. Front wheel 33. Trailer assembly frame 34. Steering shaft sleeve 35. Steering shaft 36. Fixing pin 37. Frame plug-in hole 4. Longitudinal beam and external bracket 41. Trailer hanging hole, front wheel frame hanging hole 42. Trailer frame 43. Trailer hook ball head 5. Flat waterproof board. Specific implementation method 1 (main part)

[0020] Materials and structure: The main part (1) is made of lightweight and high-strength aluminum alloy (such as 6061 aluminum alloy) or carbon fiber composite material. In terms of manufacturing process, the method of hot pressing after using CNC equipment to make the mold is preferred. The specific process flow is as follows: first, according to the design requirements, the mold is accurately made using CNC processing equipment to ensure the dimensional accuracy and surface quality of the mold; then, the aluminum alloy or carbon fiber composite material is placed in the mold according to certain process requirements, and hot pressing is performed under high temperature conditions so that the material fully fills the mold cavity and forms the required shape; finally, the molded product is subjected to subsequent processing, such as polishing, surface treatment, etc., to improve the appearance quality and performance of the product. This process is suitable for large-scale production on industrial assembly lines, and can also be used in small workshops for small-batch customized production using hand lay-up technology.

[0021] The edge, top, interior and tail of the box are equipped with standardized interfaces for quick connection with various functional components. The edge interface of the box adopts a special design and can be combined with boxes of the same specifications. It can be combined directly or through link plates to form structures such as floating platforms and floating bridges. During the combination process, it is necessary to ensure the alignment of the interface and the firmness of the connection. Special connectors (such as bolts, nuts, etc.) can be used for fixing. Specific implementation method 2

[0022] The main body (1) is connected to the flat waterproof plate (5) through a reserved interface (13). Before connection, a sealing strip (the sealing strip is made of [specific material] and has good waterproof and sealing properties) needs to be installed at the interface to ensure that the gap between them is completely sealed. In this way, the main body (1) is equipped with a sealing cover and can be used as a diving buoy or a rainproof luggage box. When used as a diving buoy, the box body needs to be strictly tested for sealing to ensure that it will not leak at a certain depth underwater. When used as a rainproof luggage box, items can be placed inside the box body to effectively prevent rainwater from intruding. Specific implementation method 3

[0023] The main body (1) and the trailer assembly (3) are installed through the bottom slots. During installation, align the tires and suspension (3) of the trailer assembly with the slots at the bottom of the box to ensure that they are installed in place, and use bolts to fix them to prevent loosening. Connect the towing ball head (43) to ensure that the ball head fits tightly with the trailer interface of the vehicle and the connection is firm. After the connection is completed, the box is converted into a cargo trailer with a maximum load of 500 kg. During use, the weight of the cargo should be reasonably arranged according to the vehicle's carrying capacity and road conditions to avoid overloading that affects driving safety. Specific implementation method 4

[0024] The main part is used together with the detachable boat function component. When it is needed to be used as a boat, install a boat engine or a jet pump at the power installation position of the boat function component. When installing the boat engine, follow the installation instructions of the boat engine to ensure that it is firmly installed and connect the fuel pipeline, electrical circuit, etc.; when installing the jet pump, it is also necessary to strictly follow the installation specifications to ensure that the installation position of the jet pump is correct and the connection with the box is tight. After the installation is completed, the main part can be used as a water transportation tool in the water.

[0025] If a jet pump (12) is installed and the outlet of the jet pump is connected or replaced with a standard connection connector for a fire hose, it can be used as a water intake boat. During the installation process, attention should be paid to the sealing of the interface and the reliability of the connection to prevent water leakage. A large flow valve is installed on the three-way installation of the jet pump to control the interface end of the fire hose and the power outlet end of the jet pump respectively. By operating the valve properly, different functions can be achieved. For example, during firefighting operations, water can be transported to where it is needed; during water transportation, the power of the jet pump can be used to propel the boat forward. The boat has a hull load of 500 kg and is suitable for waters with a depth of 0.3 meters (discharge: 1.2 meters × 2.4 meters × 0.2 meters = 0.576 cubic meters). Before use, the buoyancy and stability of the boat need to be evaluated to ensure safe use in the corresponding waters. Specific implementation method 5

[0026] The main body (1) and trailer assembly (3) frame and steering assembly (33) are installed to the box through the bottom slot. During installation, first install the frame and steering assembly (33) in the slot at the bottom of the box and fix them with bolts to ensure a firm connection. Then, install the tires and suspension (3) and adjust the tire pressure and positioning. After installation, equip the machine with an independent power unit and control unit. The installation of the power unit must be carried out in accordance with the equipment manual to ensure that the electrical connection is correct and the heat dissipation is good; the installation of the control unit must be debugged to ensure sensitive and accurate operation. After completing the above steps, independent driving is achieved. DETAILED DESCRIPTION

[0027] The trailer assembly (3), the frame and the steering assembly (33) are installed together through the slot. During the installation process, the matching accuracy of the slot and the assembly must be ensured, and the positioning pins are used for positioning to prevent installation deviation. After the installation is completed, an independent power device and control device are equipped. The installation and debugging methods of the power device and the control device are the same as those in Example 4. After achieving independent driving, it can be used as a small walking vehicle. Specific implementation method 7

[0028] The main part is used in conjunction with the detachable roof tent assembly. When it is needed to be used as a roof tent, unfold the roof tent assembly. If the tent assembly is set inside the box, first open the box, unfold the tent bracket in sequence according to the folding marks, then cover the waterproof tent cloth on the tent bracket and fix it; if the tent assembly is set outside the box, first install the tent bracket on the mounting position on the top of the box, fix it with bolts or clamps, then unfold the tent cloth and connect it firmly to the tent bracket. The internal space of the box is converted into a 2.44×1.22 (m) accommodation area, and the bracket is equipped with LED lighting and USB charging port. When using the tent, you can turn on the LED lighting fixture to provide lighting, and use the USB charging port to charge electronic devices. Specific implementation method 8

[0029] The edges of the main body (1), the flat waterproof board (5), and the lifting bracket (2) are all provided with reserved interfaces (13). When assembling, align the reserved interfaces (13) of each component and use corresponding connectors (such as screws, hooks, etc.) to connect. By combining the reserved interfaces (13) possessed, a combination such as a floating platform or a platform can be assembled. During the assembly process, it is necessary to ensure that the connection of the interface is firm and the structure is stable. For example, when assembling the floating platform, an appropriate number of boxes and flat waterproof boards can be selected for combination according to actual needs, and the interfaces can be tightly connected using bolts to ensure that the floating platform can withstand a certain weight and impact force on the water.

[0030] Beneficial effects: The multifunctional roof device of the present invention has the following significant advantages. 1. Diversified functions: Through modular design, the rapid switching of multiple functions such as roof luggage boxes, roof tents, trailers, water vehicles and land vehicles is realized. Whether it is outdoor camping, long-distance travel, or transportation operations, users can choose corresponding functional components according to actual needs to meet the diversified needs in different scenarios. 2. Easy operation: Each functional component adopts a standardized interface design, and the installation and disassembly process is simple and fast. Users only need to follow the operating instructions and use simple tools to complete the replacement and installation of components without professional skills, which greatly reduces the user's operating difficulty and time cost. 3. High space utilization: Integrating multiple functions into a single device reduces the number of equipment that users need to carry. For example, users do not need to carry multiple equipment such as roof luggage boxes, trailers, water vehicles, etc. at the same time, saving a lot of storage space, and facilitating users to travel and store equipment. 4. High safety: The box body is made of high-strength material and has good compression and impact resistance. The connection structure of each functional component is optimized and designed, and a reliable connection method and fixing device are adopted to ensure the stability and safety of the device in different functional modes. For example, the traction device of the trailer assembly has undergone rigorous strength testing to ensure safety during the trailering process; the bracket structure of the roof tent assembly is stable and can withstand certain wind and external forces. 5. Wide range of applications: Suitable for private cars, off-road vehicles, campers, RVs and other vehicles. Whether it is a small family car or a large RV, the multifunctional roof device of the present invention can be installed to meet the needs of different users.

Claims

1. A multifunctional roof device, characterized in that: include: A main body portion, which is used as a roof luggage box and a roof tent when installed on a vehicle roof; at least one detachable functional component: a detachable trailer functional component, after the tires and suspension are connected to the main body portion, the system can be removed from the roof and used as a trailer, and the trailer can be towed by a vehicle or travel with its own power system; a detachable boat functional component, the boat engine mounting position is arranged at the bottom and tail of the main body portion, and the main body portion can be used as a boat; the boat can be rowed or self-powered, and automatically driven by its own navigation and power system.

2. The multifunctional roof device according to claim 1, characterized in that: The detachable trailer functional component is used as a trailer and can be installed with at least one device: solar panels, wind turbines, metal detectors, cameras, energy storage batteries, drone landing and take-off platforms, etc.

3. According to claim 1, the detachable ship functional component is characterized by: being used as a ship; being able to install at least one device: solar power generation equipment, sonar, camera, metal detector, mortar pump, spray pump, fire pump, UAV landing and take-off platform, etc., for connecting with corresponding equipment to meet the needs of different application scenarios.

4. The detachable boat functional component according to claim 1 is characterized in that the boat can be rowed or self-powered or automatically driven by its own navigation and power system or a land transportation component.

5. The land vehicle assembly according to claim 1 is characterized in that: The main body, tires and suspension (3), frame and steering assembly (33) are equipped with an independent power device and control device for automatic driving; or the detachable tires and suspension (3) are combined with the frame and steering assembly (33) to be used as a walking vehicle.

6. According to claim 1, the main body portion further comprises a roof tent assembly, the roof tent assembly comprising: A foldable tent support, wherein the tent support is arranged inside or outside the box; A waterproof tent cloth is connected to the tent support and can be unfolded to form a roof tent; or after the tent is raised, lightweight waterproof panels are arranged around the box body or outside the box body and connected to the main body through a reserved interface (13).

7. According to claim 1, pipelines are arranged inside the main body to provide installation requirements such as power supply circuits or air-conditioning pipelines, main body control circuits, fire pumps, mortar pumps, filter press equipment, mineral processing equipment, etc.

8. The standardized interface according to claim 1 comprises: Reserved installation holes and electrical connection interfaces, the reserved installation holes include reserved holes, reserved grooves, screws and hooks, the electrical connection interfaces include solar panels, power inverters, external power supplies, water pumps and auxiliary power, so as to realize the rapid installation and disassembly of functional components or the edge of the box is provided with standardized interfaces for rapid connection with various functional components.

9. According to the main body of claim 1, the structure of the reserved interface (13) is combined with the flat waterproof plate (5) to serve as a sealing cover for the main body; a sealing strip is arranged in the gap between them so that the box can be used as a diving buoy or a rainproof luggage box after being covered.

10. According to the reserved interface and sealing strip described in claim 9: the edges of the main body (1), the flat waterproof plate (5), and the lifting bracket (2) are all designed with reserved interfaces. The edge interfaces of the box body can be combined with boxes of the same specifications or spliced ​​with each other on the basis of claim 9 to form similar floating platforms, platforms, and floating bridges.

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