Auxiliary safety device outside vehicle and vehicle

Abstract

The invention provides a vehicle external auxiliary safety device and a vehicle, the vehicle external auxiliary safety device comprises at least two first rod pieces, the length direction of the first rod pieces extends in the first direction, the at least two first rod pieces are arranged in the second direction at intervals, at least part of the first rod pieces are located on one side of an oil tank, and the first rod pieces are arranged in the second direction at intervals; the first rod piece is connected with the oil tank; wherein a first pedaling space for the target object to get on is formed between every two adjacent first rod pieces in the second direction, and a second pedaling space for the target object to get on is formed on one side of the top of the first rod piece located on the topmost portion in the second direction. According to the technical scheme, the problem that in the prior art, the protection effect of an auxiliary safety device outside a vehicle is poor is effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle structural accessory design, and in particular to a vehicle external accessory safety device and a vehicle. Background Art

[0002] In the prior art, in addition to the front and rear bumpers, the side protection structure of the vehicle is also equipped. The side protection structure of the general vehicle adopts the scheme of aluminum profile welding or aluminum casting, and the protection scheme design is mainly based on ensuring the structural strength. Although the scheme of aluminum profile welding or aluminum casting can meet the strength requirements, the overall structure is heavy, and there are many defects such as insufficient strength of the welding structure, complex welding process, high cost of aluminum casting, and easy welding defects that affect the structural strength. In the field of heavy-duty tractors, due to its high load and harsher driving environment, the side guardrail structure is usually made of steel material, and the side guardrail structure is generally designed in a split style, that is, the guardrail is composed of multiple independent protection sections, and the multiple parts are connected by welding or bolts. The protection strength of this model in the fuel tank area is also insufficient. In addition, in order to facilitate people to get on and off the vehicle, an independent step ladder is usually installed on the side of the vehicle. These step ladders usually have the function of folding and telescopic, which provides convenience for the use of the vehicle to a certain extent. The above existing solutions have the defects of insufficient protection strength on the fuel tank side and heavy weight on the one hand, and make the vehicle structure complex, the parts arrangement difficult and easy to interfere with each other, resulting in insufficient protection area, and there is also waste of R&D costs, material costs and other expenses.

[0003] With respect to the above-mentioned problems in the prior art, no effective solution has been proposed yet. Summary of the invention

[0004] The main purpose of the present invention is to provide a vehicle external auxiliary safety device and a vehicle, so as to at least solve the problem that the protection effect of the vehicle external auxiliary safety device in the prior art is poor.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, there is provided a vehicle external auxiliary safety device, comprising: a first rod member, at least two first rod members, the length direction of the first rod members extending along the first direction, at least two first rod members spaced apart along the second direction, at least part of the first rod members located on one side of a fuel tank, and the first rod members connected to the fuel tank; wherein a first pedaling space for a target object to board the vehicle is formed between two adjacent first rod members along the second direction, and a second pedaling space for a target object to board the vehicle is formed on the top side of the first rod member located at the topmost position along the second direction.

[0006] Furthermore, the vehicle external auxiliary safety device also includes: a flexible connector, there is at least one flexible connector, and when there are multiple flexible connectors, the multiple flexible connectors are arranged at intervals along the first direction, at least part of the flexible connectors are arranged around the outside of the fuel tank, the flexible connector is connected to the fuel tank, and the flexible connector is connected to at least one first rod.

[0007] Furthermore, the vehicle's external auxiliary safety device also includes a transition bracket group, there is at least one transition bracket group, the transition bracket group includes: a transition bracket, there are at least two transition brackets, at least two transition brackets are arranged at intervals along the first direction, the transition bracket is connected to the first rod, a limiting space is formed between at least two transition brackets, the flexible connecting member is located in the limiting space, and the transition bracket is connected to the fuel tank through the flexible connecting member.

[0008] Furthermore, the transition bracket groups and the flexible connectors are arranged in one-to-one correspondence, and each transition bracket group is connected to the corresponding flexible connector.

[0009] Furthermore, the transition bracket includes: a first bending section, the first bending section is connected to at least one first rod member; a second bending section, the first bending section and the second bending section are arranged with a first angle between them, the first side of the second bending section is connected to the first bending section, the second side of the second bending section extends toward the oil tank, and a limiting space is formed between adjacent second bending sections.

[0010] Furthermore, a side of the second bent section facing the oil tank is provided with an avoidance shaping portion, and a surface contour of the avoidance shaping portion is configured to be adaptive to an outer surface contour of at least a portion of the oil tank.

[0011] Furthermore, the vehicle's external auxiliary safety device also includes a connecting bracket, which is arranged corresponding to the transition bracket group, is located in the limited space, is connected to the transition bracket, and is located between the fuel tank and the flexible connector, so that the flexible connector fixes the connecting bracket to the fuel tank.

[0012] Furthermore, the connecting bracket includes: a base plate, the shape of which is adapted to the outer contour of the fuel tank; two flanges, the two flanges are arranged opposite to each other along the width direction of the base plate, one end of the flange is connected to the base plate, and the other end of the flange is extended in a direction away from the base plate; wherein the flexible connecting piece is located between the two flanges and fits tightly with the base plate to fix the connecting bracket to the fuel tank.

[0013] Furthermore, when there are multiple flexible connectors, the vehicle external auxiliary safety device also includes an auxiliary positioning structure, one end of the auxiliary positioning structure along the length direction is respectively arranged adjacent to the target installation position of a flexible connector, and the other end of the auxiliary positioning structure along the length direction is respectively arranged adjacent to the target installation position of another flexible connector, so that the auxiliary positioning structure positions the adjacent flexible connectors along the first direction.

[0014] Furthermore, the flexible connecting member is a hoop, and the vehicle external auxiliary safety device also includes: a reel assembly, the reel assembly is connected to the fuel tank, the reel assembly has a reel box and a reel mechanism located inside the reel box, the reel mechanism is connected to the flexible connecting member, the reel mechanism has a working state of rotating around its own central axis to reel part of the flexible connecting member into the reel box, and the reel mechanism is used to adjust the tightness of the flexible connecting member.

[0015] Furthermore, the first rod member is a rod member structure having a cavity inside, and at least one end of the first rod member along the length direction is connected to the end cover, and the end cover includes a sealing plate and a surrounding plate, one end of the surrounding plate is connected to the sealing plate, and the other end of the surrounding plate is extended away from the sealing plate, wherein the sealing plate blocks the opening of the cavity, and the surrounding plate extends into the interior of the cavity, and the surrounding plate is arranged to form an annular structure.

[0016] Furthermore, a wedge-shaped portion is provided on the outer wall of the enclosure, and the wedge-shaped portion is adaptively arranged with the inner wall structure of the cavity in the first rod member. At least one reinforcing rib is provided on the inner wall of the enclosure, and the reinforcing rib is connected to the sealing plate and the enclosure.

[0017] In order to achieve the above object, according to one aspect of the present invention, a vehicle is provided, comprising a vehicle external auxiliary safety device, wherein the vehicle external auxiliary safety device is the above-mentioned vehicle external auxiliary safety device.

[0018] By applying the technical solution of the present invention, the vehicle external auxiliary safety device has at least two first rods, at least part of which is located on one side of the fuel tank, and the first rod is connected to the fuel tank. At the same time, the first pedaling space and the second pedaling space are formed by at least two first rods. On the one hand, the vehicle external auxiliary safety device integrates fuel tank protection and pedaling functions at the same time, thereby improving the protection strength of the fuel tank. On the other hand, since the original pedaling ladder can be eliminated, the side protection of a larger area can be achieved while reducing the production cost, shortening the production cycle. The technical solution of the present application effectively solves the problem of poor protection effect of vehicle external auxiliary safety devices in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 It shows a schematic structural diagram of a first embodiment of a vehicle external auxiliary safety device according to the present invention;

[0021] Figure 2 It shows a schematic structural diagram of a second embodiment of a vehicle external auxiliary safety device according to the present invention;

[0022] Figure 3 A schematic structural diagram showing a third embodiment of a vehicle external auxiliary safety device according to the present invention;

[0023] Figure 4 A schematic structural diagram showing a fourth embodiment of a vehicle external auxiliary safety device according to the present invention;

[0024] Figure 5 It shows a schematic structural diagram of a fifth embodiment of a vehicle external auxiliary safety device according to the present invention;

[0025] Figure 6 A schematic structural diagram of a sixth embodiment of a vehicle external auxiliary safety device according to the present invention is shown.

[0026] The above drawings include the following reference numerals:

[0027] 1. First rod; 10. Fuel tank;

[0028] 20. first pedaling space; 21. sealing plate; 22. enclosure plate; 23. wedge-shaped portion; 24. reinforcing ribs;

[0029] 3. Transition bracket; 30. Second pedaling space; 33. Avoidance shaping part; 34. First bending section; 35. Second bending section;

[0030] 4. Connecting bracket; 40. Limiting space; 41. Bottom plate; 42. Flanging;

[0031] 50. Auxiliary positioning structure;

[0032] 6. Flexible connectors. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0036] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0037] Combination Figures 1 to 6 As shown, according to a specific embodiment of the present application, a vehicle external auxiliary safety device is provided, including: a first rod 1, at least two first rods 1, the length direction of the first rod 1 extends along the first direction, at least two first rods 1 are spaced apart along the second direction, at least part of the first rods 1 are located on one side of the fuel tank 10, and the first rod 1 is connected to the fuel tank 10; wherein a first pedaling space 20 for a target object to board the vehicle is formed between two adjacent first rods 1 along the second direction, and a second pedaling space 30 for a target object to board the vehicle is formed on the top side of the first rod 1 located at the topmost position along the second direction.

[0038] Preferably, the first direction is the length direction of the vehicle, and the second direction is the height direction of the vehicle.

[0039] The fuel tank is located at the bottom of the car body.

[0040] The target object can be a person or a vehicle boarding equipment, where the vehicle boarding equipment includes components such as a load plate, a hydraulic lifting platform, a mobile loading ramp, a maintenance tool box, straps and other cargo fixing devices.

[0041] By applying the technical solution of the present invention, the vehicle external auxiliary safety device has at least two first rods, at least part of which is located on one side of the fuel tank, and the first rod is connected to the fuel tank. At the same time, the first pedaling space and the second pedaling space are formed by at least two first rods. On the one hand, the vehicle external auxiliary safety device integrates fuel tank protection and pedaling functions at the same time, thereby improving the protection strength of the fuel tank. On the other hand, since the original pedaling ladder can be eliminated, the side protection of a larger area can be achieved while reducing the production cost, shortening the production cycle. The technical solution of the present application effectively solves the problem of poor protection effect of vehicle external auxiliary safety devices in the prior art.

[0042] The first rod 1, as a protective structure on the side of the vehicle, can provide additional protection for the fuel tank and reduce potential damage when a side collision occurs. Especially on commercial vehicles, the side protection structure is crucial to prevent pedestrians, cyclists or other vehicles from being involved in a side collision, thereby protecting the safety of people inside and outside the vehicle.

[0043] In an optional embodiment, if the first rod 1 is made of a lightweight material such as aluminum alloy, its hollow structure can be utilized to significantly reduce weight without sacrificing strength, which has a positive impact on improving the vehicle's fuel economy, reducing emissions, and improving driving performance and cargo capacity.

[0044] By adjusting the spacing between the first rods 1 and the positions of the mounting holes, a modular design can be achieved, so that the safety device can adapt to different vehicle models and chassis layouts, thereby improving assembly efficiency and facilitating maintenance and replacement.

[0045] The first rod 1 not only assumes the responsibility of safety protection, but also integrates the pedaling function, which provides convenience for the driver and passengers to get on and off the vehicle. The design of the first pedaling space and the second pedaling space allows the target object (i.e., person) to pedal at multiple positions, which increases flexibility and also eliminates the need for additional pedaling ladders, further reducing the manufacturing cost and weight of the vehicle.

[0046] Furthermore, this design can ensure that the vehicle meets the requirements of domestic and international side protection regulations, especially in terms of standards related to fuel tank protection and side impact safety, which helps the vehicle pass safety certification.

[0047] Integrated safety guards and kick-off features reduce clutter on the side of the vehicle, improving the exterior design of the vehicle, making it look cleaner and more professional.

[0048] Furthermore, the vehicle external auxiliary safety device also includes: a flexible connector 6, there is at least one flexible connector 6, and when there are multiple flexible connectors 6, the multiple flexible connectors 6 are arranged at intervals along the first direction, at least part of the flexible connectors 6 are arranged around the outside of the fuel tank 10, the flexible connector 6 is connected to the fuel tank 10, and the flexible connector 6 is connected to at least one first rod 1.

[0049] The design of using the flexible connector 6 to connect the fuel tank 10 and the first rod 1 (i.e., the crossbar or other related components of the side protection structure) has the following significant advantages:

[0050] 1. Absorb impact energy: When the vehicle is hit from the side, the flexible connector can absorb part of the impact energy through its own elastic deformation, reducing the risk of the impact force being directly transmitted to the fuel tank, thereby protecting the fuel tank from damage.

[0051] 2. Reduce transmission vibration: Vehicles will encounter different road conditions during driving, causing vibration and bumps. Flexible connectors can effectively reduce the impact of these vibrations on the fuel tank and prevent fatigue cracks in the fuel tank due to long-term vibration.

[0052] 3. Adapt to thermal expansion and contraction: The fuel in the tank will expand and contract as the temperature changes, causing the volume of the tank to change. Flexible connectors can adapt to this volume change and prevent stress accumulation caused by thermal expansion and contraction from causing connection failure.

[0053] 4. Improve assembly accuracy and convenience: Since the flexible connector has a certain degree of adjustability, it can help adjust the position of the fuel tank during the assembly process, ensure the optimal gap between the fuel tank and the side protection structure, and at the same time simplify the assembly process and improve assembly efficiency.

[0054] 5. Reduce noise: Flexible connectors can not only reduce vibration, but also absorb and reduce the noise caused by vibration, thus improving the comfort of the vehicle during driving. If the flexible connector is damaged, it can be replaced separately without disassembling the entire fuel tank or side protection structure, thus reducing maintenance costs and time.

[0055] By arranging a plurality of flexible connectors on the crossbar, a suitable connection point can be selected according to the specific structure and installation position of the fuel tank, thereby increasing the flexibility and adaptability of the design.

[0056] The flexible connection is preferably a strap.

[0057] Furthermore, the vehicle's external auxiliary safety device also includes a transition bracket group, there is at least one transition bracket group, the transition bracket group includes: a transition bracket 3, there are at least two transition brackets 3, at least two transition brackets 3 are arranged at intervals along the first direction, the transition bracket 3 is connected to the first rod 1, a limiting space 40 is formed between at least two transition brackets 3, the flexible connector 6 is located in the limiting space 40, and the transition bracket 3 is connected to the fuel tank 10 through the flexible connector 6.

[0058] The transition bracket 3 is connected to the first rod 1 (cross bar of the side protection structure). By arranging at least two transition brackets 3 at intervals along the first direction (usually the length direction of the vehicle), the stability and rigidity of the entire side protection structure can be enhanced, making it stronger when subjected to lateral impact.

[0059] A limiting space 40 is formed between at least two transition brackets 3, which can limit the position of the flexible connector 6 to prevent excessive displacement of the flexible connector 6 when the vehicle is traveling or colliding. At the same time, the limiting space 40 also provides a relatively safe "buffer zone" for the fuel tank, which can further protect the fuel tank from direct impact in a side collision.

[0060] Placing the flexible connector 6 in the limited space 40 formed by the transition bracket 3 can make the force transmission smoother and more dispersed. When the vehicle is hit from the side, the transition bracket 3 can first absorb part of the impact force, and then slowly transmit the remaining force to the fuel tank through the flexible connector 6, thereby reducing the instantaneous impact force on the fuel tank.

[0061] The combination of the transition bracket group and the flexible connector 6 means that there is not only a rigid connection but also an elastic connection between the fuel tank and the side protection structure. In this way, even in the event of a slight collision or vibration, the transition bracket group and the flexible connector 6 can absorb or buffer these forces, reduce direct damage to the fuel tank, and reduce the frequency of maintenance and replacement of the fuel tank.

[0062] The provision of the transition bracket 3 enables the side protection structure to better adapt to fuel tanks of different sizes and shapes. By adjusting the number and position of the transition bracket 3, the best protection solution can be provided for fuel tanks of different models, increasing the flexibility and modularity of the design.

[0063] Furthermore, the transition bracket groups and the flexible connectors 6 are arranged in one-to-one correspondence, and each transition bracket group is connected to the corresponding flexible connector 6 .

[0064] Furthermore, the transition bracket 3 includes: a first bending section 34, the first bending section 34 is connected to at least one first rod member 1; a second bending section 35, the first bending section 34 and the second bending section 35 are arranged with a first angle between them, the first side of the second bending section 35 is connected to the first bending section 34, and the second side of the second bending section 35 extends toward the oil tank 10, and a limiting space 40 is formed between adjacent second bending sections 35.

[0065] The first bent section 34 is connected to the first rod 1 (usually a side protection cross bar), and the second bent section 35 extends toward the fuel tank 10. This design helps to direct and disperse the impact force of a side collision to the entire side protection structure and the frame, rather than concentrating it on the connection point between the fuel tank and the cross bar, thereby reducing the direct impact force on the fuel tank.

[0066] The limiting spaces 40 are formed between the adjacent second bending sections 35, which can effectively limit the position of the flexible connector 6. This means that the displacement of the flexible connector 6 will be controlled within a certain range.

[0067] The design of the first bending section 34 and the second bending section 35 increases the structural complexity of the transition bracket and improves its overall strength and rigidity. Such L-shaped or similar shaped bending sections can better resist twisting and deformation, making the transition bracket more stable when subjected to lateral forces.

[0068] The design of the bending section enables the transition bracket 3 to be connected with the first rod 1 and the oil tank 10 in a modular manner. This means that during the assembly process, the transition bracket 3 can be pre-connected with the first rod 1 or the oil tank 10, which simplifies the on-site assembly process and improves assembly efficiency and accuracy.

[0069] By adjusting the size of the first angle, the transition bracket 3 can adapt to different relative positions and layouts between the fuel tank and the frame in different vehicle designs, thereby increasing the versatility and adaptability of the side protection structure on different vehicle models.

[0070] The bending design of the transition bracket 3 can also take into account the aesthetics and aerodynamic performance of the vehicle. By cleverly designing the shape and angle of the bending section, air resistance can be reduced while maintaining the firmness and safety of the structure.

[0071] The formation of the limiting space 40 not only protects the fuel tank, but also provides a convenient space for vehicle maintenance personnel to check the connection status of the fuel tank and the transition bracket, which is helpful for rapid detection and maintenance.

[0072] In summary, the first bending section 34 and the second bending section 35 of the transition bracket 3 and the first angle and the limiting space 40 formed therein are an innovation in the design of the side protection structure. It comprehensively considers the force transmission, fuel tank protection, structural strength, and the convenience of assembly and maintenance, and is of great significance for improving the vehicle's side collision avoidance performance and safety.

[0073] Furthermore, a side of the second bending section 35 facing the fuel tank 10 is provided with an avoidance molding portion 33, and the surface contour of the avoidance molding portion 33 is configured to be adaptively configured to at least a portion of the outer surface contour of the fuel tank 10. The design of the avoidance molding portion 33 effectively reduces the overall volume of the device. The contour adaptively referred to in this embodiment means that each point of the surface contour of the avoidance molding portion 33 and the corresponding point of the outer surface contour of the fuel tank 10 are within a set range to ensure that the two are substantially contour-fitted.

[0074] Furthermore, the vehicle's external auxiliary safety device also includes a connecting bracket 4, which is arranged corresponding to the transition bracket group, the connecting bracket 4 is located in the limited space 40, the connecting bracket 4 is connected to the transition bracket 3, and the connecting bracket 4 is located between the fuel tank 10 and the flexible connector 6, so that the flexible connector 6 fixes the connecting bracket 4 to the fuel tank 10.

[0075] The connecting bracket 4 serves as an intermediate connecting piece between the fuel tank 10 and the transition bracket 3. It is fixed to the fuel tank 10 through the flexible connecting piece 6, which can provide a more stable connection and ensure that the position of the fuel tank is fixed on the side of the vehicle. Even if the vehicle encounters bumps or side collisions while driving, the fuel tank can be kept in a stable state, reducing the risk of displacement or damage to the fuel tank.

[0076] The force transmission path is optimized through the connecting bracket 4. The side collision force first acts on the transition bracket 3, which transmits the force to the connecting bracket 4, and the connecting bracket 4 then disperses and transmits the force to the fuel tank 10 through the flexible connector 6. This multi-stage force transmission mechanism can effectively absorb and disperse the impact energy, reduce the strength of the fuel tank 10 directly bearing the impact force, and thus improve the safety of the fuel tank.

[0077] The corresponding arrangement of the connecting bracket 4 and the transition bracket group can simplify the assembly process of the fuel tank 10. During assembly, the connecting bracket 4 and the transition bracket 3 are first connected, and then the fuel tank 10 and the connecting bracket 4 are fixed by the flexible connector 6. This sequential assembly can reduce assembly errors, ensure the correct installation position of the fuel tank 10, and improve assembly efficiency.

[0078] By disposing the connecting bracket 4 in the limiting space 40, the flexible connecting member 6 can be prevented from being directly exposed to the outside world, thereby reducing damage to the flexible connecting member from external environmental factors (such as gravel, splashes, etc.), extending the service life of the flexible connecting member, and reducing maintenance costs.

[0079] The design of the connecting bracket 4 makes it possible to install the fuel tank 10 and modularize the side protection structure. This means that even if the size or shape of the fuel tank changes, only the position or design of the connecting bracket 4 needs to be adjusted without making major changes to the entire side protection structure, thereby enhancing the flexibility and adaptability of the design.

[0080] The flexible connector 6 between the connecting bracket 4 and the oil tank 10 is arranged in the limited space 40, which provides convenience for maintenance and inspection. The maintenance personnel can easily approach the connection bracket 4 and the oil tank 10, check the status of the flexible connector 6, and make necessary adjustments or replacements, which reduces the complexity and time cost of maintenance.

[0081] Through the above-mentioned comprehensive design, the combination of the connecting bracket 4 and the transition bracket group, the fuel tank 10 and the flexible connector 6 not only improves the vehicle's side collision protection performance, but also optimizes the installation and maintenance process of the fuel tank. It is an innovative design that takes into account safety, modularity and convenience.

[0082] Furthermore, the connecting bracket 4 includes: a bottom plate 41, the shape of which matches the outer contour of the oil tank 10; two flanges 42, the two flanges 42 are arranged opposite to each other along the width direction of the bottom plate 41, one end of the flange 42 is connected to the bottom plate 41, and the other end of the flange 42 is extended in a direction away from the bottom plate 41; wherein the flexible connector 6 is located between the two flanges 42 and fits tightly with the bottom plate 41 to fix the connecting bracket 4 to the oil tank 10. That is to say, the flexible connector 6 binds the connecting bracket 4 to the oil tank, thereby fixing the transition bracket connected to the connecting bracket 4, and finally fixing the first rod.

[0083] The shape of the bottom plate 41 matches the outer contour of the fuel tank 10, ensuring a close fit between the connecting bracket 4 and the fuel tank 10, thereby improving the stability and safety of the fuel tank installation. This design helps to reduce the vibration and displacement of the fuel tank during vehicle driving and protect the fuel tank from damage.

[0084] The two flanges 42 are arranged opposite to each other along the width direction of the bottom plate 41, which increases the overall rigidity of the connecting bracket 4. The other end of the flange 42 extends in a direction away from the bottom plate 41, which can enhance the ability of the connecting bracket 4 to resist side impact and ensure that the connecting bracket 4 is not easily deformed or damaged when subjected to impact.

[0085] The flexible connector 6 is placed between the two flanges 42 and fits tightly against the bottom plate 41, which can optimize the force transmission path. The force generated by the side collision first acts on the flange 42, and then is transmitted to the fuel tank 10 through the bottom plate 41 and the flexible connector 6. This multi-stage force transmission mechanism helps to disperse and absorb the impact force and reduce the direct impact on the fuel tank.

[0086] The design of the flange 42 can protect the flexible connector 6 located therebetween, reduce the risk of the flexible connector being damaged by the external environment (such as gravel, splashes, etc.), extend the service life of the flexible connector, and reduce maintenance costs.

[0087] The tight fit between the connecting bracket 4 and the fuel tank 10 is achieved by the flexible connecting member 6. This design simplifies the assembly process, so that the connecting bracket 4 can be quickly and accurately installed on the fuel tank. At the same time, the design of the flexible connecting member 6 also facilitates disassembly when maintaining or replacing the fuel tank, improving the convenience and efficiency of maintenance.

[0088] Since the flexible connector 6 allows a certain elastic deformation, this design can adapt to the slight volume change of the fuel tank caused by the thermal expansion and contraction of the internal fuel, and avoids damage to the connection part due to stress concentration.

[0089] Through the above design, the connection between the connecting bracket 4 and the fuel tank 10 is not only more stable and reliable, but also optimizes the force transmission path and enhances the protection mechanism of the components, which is an effective method to improve the side collision protection performance of the vehicle and the safety of the fuel tank. This design not only ensures safety, but also takes into account the convenience of assembly and maintenance costs, and is an innovation in the design of vehicle external auxiliary safety devices.

[0090] Furthermore, when there are multiple flexible connectors 6, the vehicle external auxiliary safety device also includes an auxiliary positioning structure 50, wherein one end of the auxiliary positioning structure 50 along the length direction is respectively arranged adjacent to the target installation position of one flexible connector 6, and the other end of the auxiliary positioning structure 50 along the length direction is respectively arranged adjacent to the target installation position of another flexible connector 6, so that the auxiliary positioning structure 50 positions the adjacent flexible connectors 6 along the first direction.

[0091] Furthermore, the flexible connector 6 is a hoop, and the vehicle external auxiliary safety device also includes: a reel assembly, the reel assembly is connected to the fuel tank 10, the reel assembly has a reel box and a reel mechanism located inside the reel box, the reel mechanism is connected to the flexible connector 6, the reel mechanism has a working state of rotating around its own central axis to reel part of the flexible connector 6 into the reel box, and the reel mechanism is used to adjust the tightness of the flexible connector 6.

[0092] The reeling assembly is designed to adjust the tightness of the flexible connecting member 6 (such as a hoop), and various structures can be used to achieve automatic or semi-automatic adjustment, wherein the optional structural designs include:

[0093] 1. Spring driven winding mechanism. Winding box design: A spring mechanism is set inside the winding box, which can be a compression spring or a torsion spring, to drive the winding mechanism to rotate. Winding mechanism: The winding mechanism includes a reel with threads or slots, and the power of the spring causes it to rotate, thereby winding or loosening the hoop. One end of the reel is connected to the wall of the winding box through a bearing, and the other end is connected to the spring. Adjustment mechanism: An external knob or lever can be designed, connected to the spring mechanism, and the tension of the spring can be adjusted manually, thereby controlling the winding force of the reel and achieving tightness adjustment of the hoop.

[0094] 2. Electric reeling mechanism. Reeling box design: A small motor and battery pack are integrated in the reeling box to drive the reeling mechanism.

[0095] Reeling mechanism: includes a reel driven by an electric motor, the surface of which is designed with non-slip texture or high friction material to ensure that the band can be stably reeled or released. Adjustment mechanism: can be equipped with an electronic controller to control the forward and reverse rotation of the motor through buttons or knobs to adjust the tightness of the band. The controller can be integrated on the reel box or a wireless remote control device.

[0096] 3. Hydraulic reeling mechanism reeling box design: The reeling box includes a small hydraulic pump and a hydraulic cylinder. Reeling mechanism: The piston of the hydraulic cylinder is connected to the reel, the opening and closing of the hydraulic pump controls the pressure in the hydraulic cylinder, and the retracting movement of the piston drives the reel to rotate, realizing the reeling or releasing of the hoop.

[0097] Adjustment mechanism: A manual hydraulic pump can be designed to change the pressure in the hydraulic cylinder by pressing it, or an electronic hydraulic control system can be used to automatically adjust it through an external controller.

[0098] 4. Composite material adaptive retracting mechanism. Retracting box design: The retracting box is designed with a retracting mechanism using shape memory alloy (SMA) or smart composite materials. Retracting mechanism: Utilizes the thermal expansion or contraction characteristics of the material, through temperature changes or current stimulation, to achieve automatic retraction of the reel, thereby adjusting the tightness of the hoop. Adjustment mechanism: It can be a temperature control device or electronic drive, which automatically adjusts the state of the retracting mechanism according to pre-set conditions without manual intervention.

[0099] Regardless of the type of reeling mechanism used, a limit structure should be designed in the reeling box to prevent the reel from shifting during rotation, while providing a guide to ensure smooth reeling of the band. A safety locking function should also be designed so that when the band reaches the preset tightness, the reeling mechanism automatically locks to prevent accidental loosening and ensure the stability and safety of the fuel tank. Furthermore, a sensor or feedback mechanism can be added to monitor the tightness of the band or the displacement of the fuel tank, send a signal to the controller, and automatically adjust the tightening force as needed.

[0100] Through the above design, the reeling assembly can provide a flexible strap adjustment mechanism according to different needs and application scenarios, which not only improves the stability and safety of the fuel tank installation, but also simplifies the adjustment process and improves the intelligence level and user-friendliness of the overall device.

[0101] Furthermore, the first rod 1 is a rod structure with a cavity inside. At least one end of the first rod 1 along the length direction is connected to the end cover. The end cover includes a sealing plate 21 and a surrounding plate 22. One end of the surrounding plate 22 is connected to the sealing plate 21, and the other end of the surrounding plate 22 is extended away from the sealing plate 21, wherein the sealing plate 21 blocks the opening of the cavity, and the surrounding plate 22 extends into the interior of the cavity, and the surrounding plate 22 is arranged to form an annular structure.

[0102] Furthermore, a wedge-shaped portion 23 is provided on the outer wall of the enclosure 22, and the wedge-shaped portion 23 is adaptively arranged with the inner wall structure of the cavity in the first rod 1. At least one reinforcing rib 24 is provided on the inner wall of the enclosure 22, and the reinforcing rib 24 is connected to both the sealing plate 21 and the enclosure 22.

[0103] The first rod 1 is a rod structure with a cavity inside. At least one end of the first rod 1 in the length direction is connected to the end cover. The end cover includes a sealing plate 21 and a surrounding plate 22. One end of the surrounding plate 22 is connected to the sealing plate 21, and the other end of the surrounding plate 22 is extended away from the sealing plate 21, wherein the sealing plate 21 blocks the opening of the cavity, and the surrounding plate 22 extends into the interior of the cavity, and the surrounding plate 22 is arranged to form an annular structure.

[0104] The first rod 1 of the cavity design uses the shape of the material rather than its density to enhance its physical properties. This structure can provide sufficient rigidity and bending resistance while significantly reducing the use of materials, thereby reducing the overall weight. In vehicle design, structural lightweighting is crucial to improving fuel efficiency, reducing emissions, and improving handling and driving economy. The use of lightweight and high-strength materials such as aluminum alloys can further optimize this effect.

[0105] The end cap closes the opening of the cavity of the first rod 1 through the sealing plate 21, ensuring the integrity of the internal structure, preventing pollutants and moisture from entering, and extending the service life of the rod. The enclosure 22 extends into the cavity to form an annular structure. This design increases the contact area between the end cap and the rod. Through the enveloping effect of the enclosure 22, the mechanical connection between the end cap and the first rod 1 is further strengthened, ensuring the strength and stability of the connection.

[0106] By matching the end cap with the cavity structure of the first rod 1, a modular design concept is realized. The standardized design of the end cap allows it to be connected to the first rod 1 of different lengths and diameters, so that the side protection structure can be flexibly adapted to a variety of vehicle models and chassis layouts, improving assembly efficiency and design versatility. In addition, the standardized end cap design also helps reduce manufacturing costs and the complexity of supply chain management.

[0107] The special design of the end caps, including the R3 rounded corners and other regulatory features, ensures that the side protection structure not only meets the requirements in terms of physical performance, but also complies with the safety regulations of various countries. For example, the R3 rounded corners can reduce the damage to pedestrians or cyclists in a collision, which is a mandatory safety feature in many regional regulations.

[0108] The first rod 1 of the cavity structure and the firmly connected end cap work together to form a side protection system that can absorb impact force while maintaining structural integrity. In the event of a side collision, this design can effectively protect the vehicle tank and passenger compartment, reduce injuries, and meet strict collision safety test requirements.

[0109] The end cap 22 is interference fit with the inner cavity of the first rod 1, which simplifies the assembly process, does not require complicated welding or additional fasteners, and reduces assembly cost and time. In addition, the sealing effect of the sealing plate 21 also simplifies subsequent maintenance and inspection work, reducing maintenance costs during the vehicle life cycle.

[0110] The neat design of the end cap and the close fit with the first rod 1 not only improve the appearance of the side of the vehicle, but also help optimize the aerodynamic performance. The protruding parts on the side of the vehicle are reduced, the air resistance and noise are reduced, and the driving efficiency and comfort of the vehicle are improved.

[0111] The combination of the end cap and the first rod 1 can also integrate other functions, such as signal lights, lighting or warning signs, to further enhance the safety and functionality of the vehicle without adding additional external components, thus maintaining the simplicity and beauty of the vehicle side.

[0112] In an optional embodiment, further, the vehicle external auxiliary safety device also includes: a second rod, the length direction of the second rod is extended along the second direction, the second rod is connected to each first rod 1, the second rod is connected to at least one of the vehicle beam and the bottom accessory of the vehicle body, the second rod is at least one, and when there are multiple second rods, the multiple second rods are spaced apart along the first direction.

[0113] A second rod is added to the vehicle external auxiliary safety device, the length direction of which extends along the second direction and connects the first rods 1, and is connected to the vehicle beam or the bottom attachment of the vehicle compartment. This design provides additional stability and structural strength, and the specific benefits are as follows:

[0114] Enhanced structural stability: The second rod, as a transverse connecting member, can effectively enhance the stability of the entire side protection structure. By vertically connecting with the first rod 1, a "tic-tac-toe" or "grid" structure is formed, which increases the lateral rigidity of the structure, so that it can better absorb and disperse the impact force in a side collision, protecting the safety of the vehicle and occupants.

[0115] Improved assembly strength: The direct connection of the second rod to the beam or the bottom attachment of the car body can improve the connection strength between the entire safety device and the car body, ensuring that in extreme cases, the side protection structure will not fall off the vehicle, providing continuous protection.

[0116] Supplement of modular design: When there are multiple second rods and they are spaced along the first direction (i.e. the length direction of the vehicle), this design further strengthens the modular concept. The number and position of the second rods can be flexibly adjusted according to the width and layout requirements of different vehicle models, so that the entire safety device can better adapt to various chassis designs.

[0117] Lightweight and cost control: Similar to the first rod 1, the second rod can also be made of lightweight materials, such as aluminum alloy. Combined with its cavity structure design, it can further reduce weight. At the same time, modular design can reduce the number of parts and achieve cost control. When the second rod is designed to be multiple and spaced along the first direction (i.e., the length direction of the vehicle), this design further promotes the implementation of the modular concept. The frame layout and width may be different for different models and different working conditions. By adjusting the number and spacing of the second rods, the side protection requirements of various vehicles can be flexibly matched. This modular design not only improves assembly efficiency and reduces production cycle, but also reduces inventory costs, because fewer types of parts mean simpler and more economical supply chain management.

[0118] Improve pedaling safety: The addition of the second rod provides more support points for pedaling, especially in the length direction of the vehicle. Users can pedal more safely and conveniently at multiple positions, improving the safety and convenience of users getting on and off the vehicle.

[0119] Enhanced regulatory compliance: On the basis of meeting the requirements of side protection regulations, the design of the second rod can further optimize the structure to ensure that the vehicle can comply with relevant safety standards and specifications under different models and different operating conditions.

[0120] Therefore, by adding the second rod and connecting it with the first rod 1, not only the strength and stability of the side protection structure are increased, but also the modularity of the entire system is improved, which is of great significance for improving the overall safety performance of the vehicle and reducing maintenance costs.

[0121] The addition of the second rod not only enhances the stability of the structure, but also provides additional functions for the vehicle, such as an increase in pedaling support points. For drivers and passengers, the multi-point pedaling design improves the safety and convenience of getting on and off the vehicle, especially at night or in bad weather conditions, where stable pedaling points can reduce the risk of slipping and falling. In addition, the second rod can also integrate other functions, such as LED lighting, warning lights or reflective strips, to further improve the vehicle's nighttime visibility and safety.

[0122] In an optional embodiment, the side-mounted side protection structure includes a crossbar, an end cover, front and rear transition brackets, a connecting bracket, a gasket, a hoop and a vertical bar. The crossbar is an aluminum profile crossbeam, and the cross section is an aluminum profile cavity structure, which can achieve a significant weight reduction; different mounting holes can be set on the crossbar, and rivet nuts are provided at the mounting holes to fix the front and rear transition brackets with different spacings, which can match the tank structure of different volumes, and have a high degree of modularity, as shown in the left and right protection structures in the figure. The end cover is an ABS injection molded part, including an outer end, an inner end, a wedge-shaped portion and a reinforcing rib; the outer end is used to fit with the crossbar, and the non-fitting surface is provided with an R3 fillet to meet regulatory requirements; the inner end is a rectangular cavity structure, which is the main support structure; the wedge-shaped portion is used to cooperate with the internal cavity of the crossbar for easy assembly, and a certain interference is set to ensure reliable connection; the reinforcing rib is a triangular angle plate, which plays a structural reinforcement role. The front and rear transition brackets are symmetrical parts, and are L-shaped beam structures, including connection holes, connection holes and avoidance parts respectively; the connection holes are used to connect and fix with the crossbar, the connection holes are used to connect and fix with the connection bracket, and the avoidance part is used to avoid interference with the fuel tank. The connection bracket is a C-shaped trough beam structure, including a bottom plate, a flange and a connection hole; the bottom plate is bent at a certain angle to follow the shape of the fuel tank, and is fixed between the fuel tank gasket and the hoop. The connection is firm and reliable, and the flange is set at 90 degrees with the bottom plate, and there are connection holes on it for connecting and fixing with the front and rear transition brackets. The vertical rod is welded to the crossbar, which is used to increase the rigidity of the two ends of the crossbar when matching a small fuel tank. It is an aluminum profile crossbeam structure with a rectangular cavity structure in cross section and light weight.

[0123] The assembly process of the side-mounted side protection structure is as follows: (1) The connecting bracket is assembled with the gasket, hoop and fuel tank into an assembly sub-assembly. At the same time, the auxiliary positioning structure is used to ensure the spacing of the connecting bracket, that is, the accuracy of the key dimension D. The auxiliary positioning structure is welded from a flat plate and a convex plate, which is convenient for hand holding. (2) The cross bar, end cover and front and rear transition brackets are assembled together into an assembly sub-assembly. The accuracy of the key dimension D is controlled by reducing the floating of the hole pins of the front and rear transition brackets and the cross bar, ensuring that the key dimension D of the assembly sub-assembly is a clearance fit when connected and matched, which is convenient for assembly. (3) The assembly sub-assembly is assembled with the assembly sub-assembly and fixed with the side connecting bolts. The overall connection is reliable and easy to disassemble and assemble.

[0124] The side protection cross bar can realize the pedaling function at any position and can replace the original pedaling ladder structure.

[0125] In order to achieve the above object, according to one aspect of the present invention, a vehicle is provided, comprising a vehicle external auxiliary safety device, wherein the vehicle external auxiliary safety device is the above-mentioned vehicle external auxiliary safety device.

[0126] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0127] The technical solution of this application mainly solves the problems of reliability, heavy weight, modularity and adaptability, assembly accuracy and convenience, and cost of the existing tractor side protection structure. The reliability of the current side protection structure on the tractor is low and cannot meet the strict requirements of foreign side protection regulations, especially in the fuel tank area, where the protection effect is insufficient; the weight of the side protection structure is greatly reduced by adopting a lightweight design; the different mounting holes and rivet nuts set on the crossbar allow the front and rear transition brackets to be modularly installed according to different fuel tank structures and volumes; the key dimensional accuracy of the assembly process is controlled by the auxiliary positioning structure and the solution of reducing the floating of the hole pin, ensuring the clearance fit between the assembly sub-assemblies; the integrated pedaling function can replace the original independent pedaling ladder structure to achieve cost savings.

[0128] This solution effectively reduces the overall weight of the side protection structure by adopting a crossbar made of aluminum profile crossbeams, which helps to improve the fuel efficiency and performance of the tractor; the design of mounting holes and rivet nuts with different spacings on the crossbar, plus the adjustability of the front and rear transition brackets 3, enable the side protection structure to flexibly adapt to fuel tank structures of different volumes, thereby improving the versatility and modularity of the design and facilitating production and maintenance; the addition of vertical rods effectively increases the rigidity of both ends of the crossbar when matching a small fuel tank, thereby improving the stability and impact resistance of the entire side protection structure, and the close fit between the connecting bracket and the fuel tank gasket and hoop ensures a firm and reliable connection; the multifunctional design of the crossbar realizes the pedaling function at any position, which not only reduces costs but also improves the simplicity of the structure and space utilization.

[0129] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0130] In addition to the above, it should be noted that "one embodiment", "another embodiment", "embodiment", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present invention.

[0131] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0132] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vehicle external auxiliary safety device, characterized in that: include: A first rod (1), the first rods (1) being at least two in number, the length direction of the first rods (1) extending along a first direction, at least two of the first rods (1) being spaced apart along a second direction, at least part of the first rods (1) being located on one side of the oil tank (10), and the first rods (1) being connected to the oil tank (10); A first pedaling space (20) for a target object to board the vehicle is formed between two adjacent first rods (1) along the second direction, and a second pedaling space (30) for a target object to board the vehicle is formed on one side of the top of the first rod (1) located at the topmost position along the second direction.

2. The vehicle external auxiliary safety device according to claim 1, characterized in that: The vehicle external auxiliary safety device also includes: A flexible connector (6), wherein there is at least one flexible connector (6); when there are multiple flexible connectors (6), the multiple flexible connectors (6) are arranged at intervals along the first direction, and at least part of the flexible connectors (6) are arranged around the outside of the oil tank (10). The flexible connector (6) is connected to the oil tank (10), and the flexible connector (6) is connected to at least one of the first rods (1).

3. The vehicle external auxiliary safety device according to claim 2, characterized in that: The vehicle external auxiliary safety device further includes a transition bracket group, the transition bracket group is at least one, and the transition bracket group includes: A transition bracket (3), at least two of the transition brackets (3), at least two of the transition brackets (3) are spaced apart along the first direction, the transition bracket (3) is connected to the first rod (1), a limiting space (40) is formed between at least two of the transition brackets (3), the flexible connector (6) is located in the limiting space (40), and the transition bracket (3) is connected to the oil tank (10) via the flexible connector (6).

4. The vehicle external auxiliary safety device according to claim 3, characterized in that: The transition bracket groups and the flexible connectors (6) are arranged in one-to-one correspondence, and each transition bracket group is connected to the corresponding flexible connector (6).

5. The vehicle external auxiliary safety device according to claim 3, characterized in that: The transition bracket (3) comprises: A first bending section (34), wherein the first bending section (34) is connected to at least one of the first rods (1); A second bending section (35), wherein the first bending section (34) and the second bending section (35) are arranged with a first angle therebetween, a first side of the second bending section (35) is connected to the first bending section (34), a second side of the second bending section (35) is extended toward the oil tank (10), and the limiting space (40) is formed between adjacent second bending sections (35).

6. The vehicle external auxiliary safety device according to claim 5, characterized in that: A side of the second bent section (35) facing the oil tank (10) is provided with an avoidance shaped portion (33), and a surface contour of the avoidance shaped portion (33) is configured to match at least a portion of an outer surface contour of the oil tank (10).

7. The vehicle external auxiliary safety device according to claim 3, characterized in that: The vehicle external auxiliary safety device also includes a connecting bracket (4), the connecting bracket (4) is arranged corresponding to the transition bracket (3) group, the connecting bracket (4) is located in the limiting space (40), the connecting bracket (4) is connected to the transition bracket (3), and the connecting bracket (4) is located between the fuel tank (10) and the flexible connector (6), so that the flexible connector (6) fixes the connecting bracket (4) to the fuel tank (10).

8. The vehicle external auxiliary safety device according to claim 7, characterized in that: The connecting bracket (4) comprises: A bottom plate (41), the shape of the bottom plate (41) being adapted to the outer contour of the oil tank (10); Flanged edges (42), the number of the flanged edges (42) being two, the two flanged edges (42) being arranged opposite to each other along the width direction of the bottom plate (41), one end of the flanged edge (42) being connected to the bottom plate (41), and the other end of the flanged edge (42) being extended in a direction away from the bottom plate (41); The flexible connecting member (6) is located between the two flanges (42) and is tightly fitted to the bottom plate (41) so as to fix the connecting bracket (4) to the oil tank (10).

9. The vehicle external auxiliary safety device according to claim 2, characterized in that: When there are multiple flexible connectors (6), the vehicle external auxiliary safety device also includes an auxiliary positioning structure (50), wherein one end of the auxiliary positioning structure (50) along the length direction is respectively arranged adjacent to a target installation position of one of the flexible connectors (6), and the other end of the auxiliary positioning structure (50) along the length direction is respectively arranged adjacent to a target installation position of another of the flexible connectors (6), so that the auxiliary positioning structure (50) can position the adjacent flexible connectors (6) along the first direction.

10. The vehicle external auxiliary safety device according to claim 2, characterized in that: The flexible connecting member (6) is a strap, and the vehicle external auxiliary safety device further comprises: A reeling assembly, the reeling assembly is connected to the oil tank (10), the reeling assembly has a reeling box and a reeling mechanism located inside the reeling box, the reeling mechanism is connected to the flexible connector (6), the reeling mechanism has a working state of rotating around its own central axis to reel part of the flexible connector (6) into the reeling box, and the reeling mechanism is used to adjust the tightness of the flexible connector (6).

11. The vehicle external auxiliary safety device according to claim 1, characterized in that: The first rod (1) is a rod structure having a cavity inside. At least one end of the first rod (1) along the length direction is connected to an end cover. The end cover comprises a sealing plate (21) and a surrounding plate (22). One end of the surrounding plate (22) is connected to the sealing plate (21), and the other end of the surrounding plate (22) is extended away from the sealing plate (21). The sealing plate (21) blocks the opening of the cavity, and the surrounding plate (22) extends into the interior of the cavity. The surrounding plate (22) is arranged to form an annular structure.

12. The vehicle external auxiliary safety device according to claim 11, characterized in that: A wedge-shaped portion (23) is provided on the outer wall of the enclosure (22), and the wedge-shaped portion (23) is adaptively arranged with the inner wall structure of the cavity in the first rod (1). At least one reinforcing rib (24) is provided on the inner wall of the enclosure (22), and the reinforcing rib (24) is connected to the sealing plate (21) and the enclosure (22).

13. A vehicle, comprising an external auxiliary safety device, characterized in that: The vehicle external auxiliary safety device is the vehicle external auxiliary safety device according to any one of claims 1 to 12.

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