Rear overhang lower guard plate structure and automobile

Abstract

The utility model provides a rear suspension lower protection plate structure and an automobile. The rear suspension lower protection plate structure comprises a lower protection main plate, a driving assembly and a telescopic mechanism arranged on the edge of the lower protection main plate. The driving assembly is installed on the lower protection main plate, and the driving assembly is connected with the telescopic mechanism and used for driving the telescopic mechanism to stretch out and draw back so as to change the coverage area of the edge of the lower protection main plate. The rear suspension lower guard plate structure can be switched into different forms through telescoping of the telescoping mechanism so as to meet the requirements of a vehicle under different working conditions, and the waterproof performance of the vehicle can be improved while the driving wind resistance of the vehicle can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle equipment, in particular to a rear suspension lower guard plate structure and a car. Background Art

[0002] At present, automobiles usually use a fixed rear suspension guard with a small coverage area. In this way, when the car is driving normally, the small coverage area of ​​the rear suspension guard can improve the car's drag coefficient to reduce wind resistance. The disadvantage of the above solution is that when the vehicle is wading, the small coverage area of ​​the rear suspension guard will cause the body under the rear suspension to be impacted by a large amount of water, causing water to enter the pressure relief valve, which will have an adverse effect on the car, especially for pure electric vehicles, the adverse effect may be more serious than that of fuel vehicles; therefore, the existing fixed rear suspension guard is difficult to balance the different needs of different working conditions. Utility Model Content

[0003] The utility model aims at the technical problem that the fixing design of the rear overhang guard plate in the prior art is difficult to balance the requirements of different working conditions, and provides a rear overhang lower guard plate structure and a car.

[0004] In view of the above technical problems, an embodiment of the utility model provides a rear-suspended lower guard plate structure, including a lower guard main plate, a driving assembly and a telescopic mechanism arranged on the edge of the lower guard main plate; the driving assembly is installed on the lower guard main plate, the driving assembly is connected to the telescopic mechanism and is used to drive the telescopic mechanism to telescope to change the coverage area of ​​the edge of the lower guard main plate.

[0005] Optionally, a plurality of guide holes are provided on the lower guard plate; the rear-suspended lower guard plate structure also includes hole covers arranged one-to-one corresponding to each of the guide holes, and the driving assembly is connected to the hole covers and is used to drive the hole covers to move to cover or open the guide holes.

[0006] Optionally, the driving assembly includes a motor assembly and a transmission mechanism, the motor assembly is connected to the transmission mechanism, and the transmission mechanism is connected to the telescopic mechanism and all the hole covers.

[0007] Optionally, the motor assembly includes a first motor and a second motor; the transmission mechanism includes a coaxial reversal assembly, a first transmission assembly and a second transmission assembly, and the drive shaft of the first motor and the drive shaft of the second motor are coaxially arranged relative to each other; the coaxial reversal assembly is connected between the drive shaft of the first motor and the drive shaft of the second motor; one end of the first transmission assembly is connected to the coaxial reversal assembly, and the other end of the first transmission assembly is connected to the telescopic mechanism; one end of the second transmission assembly is connected to the coaxial reversal assembly, and the other end of the second transmission assembly is connected to the hole cover.

[0008] Optionally, the coaxial reversing assembly comprises a fixing frame, a first rotating shaft, a second rotating shaft, a sleeve, an input gear, a first gear, a second gear, a third gear and a fourth gear; wherein the input gear is fixedly mounted on the driving shaft of the first motor, and the fourth gear is fixedly mounted on the driving shaft of the second motor; the first rotating shaft and the second rotating shaft are arranged in parallel and spaced apart, and the first rotating shaft and the second rotating shaft are both rotatably mounted on the fixing frame; the sleeve is rotatably sleeved on the first rotating shaft, and the first gear is coaxially fixedly connected with the sleeve; the second gear is fixedly mounted on the first rotating shaft, and the third gear is fixedly mounted on the second rotating shaft; the input gear is located between the first gear and the second gear and is respectively meshed with the first gear and the second gear; the first gear is meshed with the third gear; and the third gear and the input gear are respectively located on opposite sides of the first gear; the third gear is meshed with the fourth gear;

[0009] The first transmission assembly includes a first moving member connected to the first rotating shaft and a second moving member connected to the sleeve, and the second transmission assembly is connected to the second rotating shaft.

[0010] Optionally, the telescopic mechanism includes a first telescopic component and a second telescopic component; the first telescopic component includes a first wing plate and a second wing plate, both of which are arranged on the first side of the lower guard main board and connected to the driving component; the second telescopic component includes a third wing plate and a fourth wing plate, both of which are arranged on the second side of the lower guard main board and connected to the driving component.

[0011] Optionally, the first telescopic assembly and the second telescopic assembly are symmetrically arranged.

[0012] Optionally, the first moving member includes a first connecting rod assembly connected to the first wing plate, and a second connecting rod assembly connected to the third wing plate;

[0013] The second moving member includes a third connecting rod assembly connected to the second wing plate, and a fourth connecting rod assembly connected to the fourth wing plate.

[0014] Optionally, the second transmission assembly includes a plurality of fifth connecting rod assemblies connected one-to-one with each of the hole covers.

[0015] The utility model also provides a car, comprising the above rear suspension lower guard plate structure.

[0016] In the utility model, the rear-suspended lower guard plate structure includes a lower guard main plate, a driving component and a telescopic mechanism arranged on the edge of the lower guard main plate; the driving component is installed on the lower guard main plate, the driving component is connected to the telescopic mechanism and is used to drive the telescopic mechanism to telescope to change the coverage area of ​​the edge of the lower guard main plate.

[0017] In the utility model, since the driving component installed on the lower guard main board can drive the telescopic mechanism to extend or contract along the edge of the lower guard main board, thereby changing the coverage area of ​​the edge of the lower guard main board, and then assisting the lower guard main board to adjust the coverage area of ​​the front cabin of the fuselage, that is, when the telescopic mechanism is contracted to the lower guard main board, the coverage area of ​​the edge of the lower guard main board is small. At this time, the front cabin of the fuselage is only covered by the lower guard main board with a smaller area, so that the vehicle can travel in the low wind resistance mode or the optimal wind resistance mode; and when the telescopic mechanism is extended to completely cover the edge of the lower guard main board, at this time, the front cabin of the fuselage is covered and blocked by the lower guard main board and the telescopic mechanism at the same time. At this time, the rear suspension lower body will not be impacted by a large amount of water, and the pressure relief valve will not enter water. At this time, the vehicle can travel in the wading protection mode; in this way, the rear suspension lower guard plate structure in the utility model can be switched to different forms through the telescopic mechanism to adapt to the needs of the vehicle under different working conditions. While reducing the wind resistance of the vehicle, it can also improve the waterproof performance of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a structural schematic diagram of the first telescopic component and the second telescopic component of the rear suspension lower guard plate structure provided by an embodiment of the utility model when they are extended;

[0020] Figure 2 It is a schematic diagram of the structure of the first telescopic component and the second telescopic component of the rear suspension lower guard plate structure provided by an embodiment of the utility model when they are fully retracted;

[0021] Figure 3 It is a structural schematic diagram of a rear suspension lower guard plate structure provided by an embodiment of the utility model when the first telescopic component and the second telescopic component are extended and the hole cover covers the guide hole;

[0022] Figure 4 It is a structural schematic diagram of a rear suspension lower guard plate structure provided by an embodiment of the utility model when the first telescopic component and the second telescopic component are extended and the hole cover does not cover the guide hole;

[0023] Figure 5 It is a structural schematic diagram of a drive assembly of a rear underslung guard plate structure provided by an embodiment of the utility model.

[0024] The reference numerals in the specification are as follows:

[0025] 1-lower guard main board, 2-driving assembly, 21-first motor, 22-second motor, 23-transmission mechanism, 231-coaxial reversing assembly, 2311-first rotating shaft, 2312-second rotating shaft, 2313-sleeve, 2314-input gear, 2315-first gear, 2316-second gear, 2317-third gear, 2318-fourth gear, 232-first transmission assembly, 2321-first moving member, 2322-second moving member, 233-second transmission assembly, 2331-fifth connecting rod assembly, 3-telescopic mechanism, 31-first telescopic assembly, 311-first wing plate, 312-second wing plate, 32-second telescopic assembly, 321-third wing plate, 322-fourth wing plate, 4-hole cover, 5-first notch, 6-second notch, 7-guide hole. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0028] In the present invention, in order to better illustrate the structure and connection relationship of the rear underslung guard plate structure, the "upper" referred to in the present invention is Figure 2 The upper part of the rear underhang guard plate structure shown in the figure; the "lower" referred to in the utility model is Figure 2 The lower part of the rear overhang guard plate structure is shown in FIG.

[0029] like Figure 1 to Figure 2 As shown, an embodiment of the utility model provides a rear-suspended lower guard plate structure, including a lower guard main plate 1, a driving component 2 and a telescopic mechanism 3 arranged on the edge of the lower guard main plate 1; the driving component 2 is installed on the lower guard main plate 1, and the driving component 2 is connected to the telescopic mechanism 3 and is used to drive the telescopic mechanism 3 to telescope to change the coverage area of ​​the edge of the lower guard main plate 1.

[0030] Specifically, a notch is provided at the edge of the lower guard main plate 1. When the telescopic mechanism 3 is fully retracted, the notch at the edge of the lower guard main plate 1 will be exposed to form a drainage air duct, thereby guiding the airflow to be discharged from the notch position, so that the wind resistance of the vehicle is minimized when driving. Figure 3 As shown, the driving assembly 2 drives the telescopic mechanism 3 to extend to completely cover the gaps. In this way, the car is in the water-proof mode, the lower guard main board 1 covers the largest area in the front cabin of the fuselage, the gap between the lower guard main board 1 and the front cabin bottom plate is covered, and the accumulated water is blocked outside and will not be impacted into the front cabin, effectively protecting the front cabin vehicle parts.

[0031] In the utility model, since the driving component 2 installed on the lower guard main board 1 can drive the telescopic mechanism 3 to extend or contract along the edge of the lower guard main board 1, the coverage area of ​​the edge of the lower guard main board 1 can be changed, and then the lower guard main board 1 can be assisted to adjust the coverage area of ​​the front cabin of the fuselage, that is, when the telescopic mechanism 3 is retracted to the lower guard main board 1, the coverage area of ​​the edge of the lower guard main board 1 is small. At this time, the front cabin of the fuselage is only covered by the lower guard main board 1 with a smaller area, so that the vehicle can travel in the low wind resistance mode or the optimal wind resistance mode; and when the telescopic mechanism 3 is extended to completely cover the edge of the lower guard main board 1, at this time, the front cabin of the fuselage is covered and blocked by the lower guard main board 1 and the telescopic mechanism 3 at the same time. At this time, the rear suspension lower body will not be impacted by a large amount of water, and the pressure relief valve will not enter water. At this time, the vehicle can travel in the wading protection mode; in this way, the rear suspension lower guard plate structure in the utility model can be switched into different forms through the telescopic mechanism 3 to adapt to the needs of the vehicle under different working conditions, while reducing the wind resistance of the vehicle, it can also improve the waterproof performance of the vehicle.

[0032] In one embodiment, if Figure 3 and Figure 4 As shown, the lower guard plate 1 is provided with a plurality of guide holes 7; the rear suspension lower guard plate structure also includes a hole cover 4 corresponding to each of the guide holes 7, and the drive assembly 2 is connected to the hole cover 4 and is used to drive the hole cover 4 to move to cover or open the guide holes 7. It can be understood that when the vehicle is driving on a snowy day, the drive assembly 2 drives the telescopic mechanism 3 to extend to completely cover the edge of the lower guard plate 1 respectively; at the same time, the drive assembly 2 drives the hole cover 4 on the lower guard plate 1 to rotate to open the guide holes 7. In this way, the vehicle is in a snow clearing mode, and the front cabin of the fuselage is covered and blocked by the lower guard plate 1 and the telescopic mechanism 3 at the same time, which can prevent the snow from entering the front cabin of the fuselage, and the guide holes 7 in the open state can discharge the snow accumulated near the lower guard plate 1. In this way, the rear suspension lower guard plate structure of this embodiment can prevent the snow from entering the front cabin of the fuselage and can also discharge the snow in time, avoiding a large amount of snow from accumulating on the lower guard plate 1.

[0033] In one embodiment, if Figure 5As shown, the driving assembly 2 includes a motor assembly and a transmission mechanism 23, the motor assembly is connected to the transmission mechanism 23, and the transmission mechanism 23 is connected to the motor assembly and all the hole covers 4. It can be understood that the motor assembly provides power to the transmission mechanism 23 to provide power for the telescopic mechanism 3 and all the hole covers 4 to telescopically move.

[0034] In one embodiment, if Figure 5 As shown, the motor assembly includes a first motor 21 and a second motor 22; the transmission mechanism 23 includes a coaxial reversing assembly 231, a first transmission assembly 232 and a second transmission assembly 233, the driving shaft of the first motor 21 and the driving shaft of the second motor 22 are coaxially arranged relative to each other; the coaxial reversing assembly 231 is connected between the driving shaft of the first motor 21 and the driving shaft of the second motor 22; one end of the first transmission assembly 232 is connected to the coaxial reversing assembly 231, and the other end of the first transmission assembly 232 is connected to the telescopic mechanism 3; one end of the second transmission assembly 233 is connected to the coaxial reversing assembly 231, and the other end of the second transmission assembly 233 is connected to the hole cover 4. It can be understood that the first motor 21 outputs power through its driving shaft and provides it to the coaxial reversing assembly 231, so that the coaxial reversing assembly 231 drives the telescopic mechanism 3 connected to the first transmission assembly 232 to achieve telescopic; the second motor 22 outputs power through its driving shaft and provides it to the coaxial reversing assembly 231, so that the coaxial reversing assembly 231 drives the hole cover 4 connected to the second transmission assembly 233 to move.

[0035] In one embodiment, if Figure 5As shown, the coaxial reversing assembly 231 includes a fixing frame (not shown), a first rotating shaft 2311, a second rotating shaft 2312, a sleeve 2313, an input gear 2314, a first gear 2315, a second gear 2316, a third gear 2317 and a fourth gear 2318; wherein the input gear 2314 is fixedly mounted on the driving shaft of the first motor 21, and the fourth gear 2318 is fixedly mounted on the driving shaft of the second motor 22; the first rotating shaft 2311 and the second rotating shaft 2312 are arranged in parallel and spaced apart, and the first rotating shaft 2311 and the second rotating shaft 2312 are both rotatably mounted on the fixing frame; the sleeve 2313 is rotatably sleeved on the first rotating shaft 2311, and the first gear 2315 is coaxially fixedly connected with the sleeve 2313; the second gear 231 6 is fixedly mounted on the first rotating shaft 2311, and the third gear 2317 is fixedly mounted on the second rotating shaft 2312; the input gear 2314 is located between the first gear 2315 and the second gear 2316 and meshes with the first gear 2315 and the second gear 2316 respectively; the first gear 2315 meshes with the third gear 2317; and the third gear 2317 and the input gear 2314 are respectively located on the opposite sides of the first gear 2315; the third gear 2317 meshes with the fourth gear 2318; the first transmission assembly 232 includes a first moving member 2321 connected to the first rotating shaft 2311 and a second moving member 2322 connected to the sleeve 2313, and the second transmission assembly 233 is connected to the second rotating shaft 2312.

[0036] It can be understood that the coaxial reversing assembly 231 mainly includes two parts. The first part includes the above-mentioned first rotating shaft 2311, input gear 2314, first gear 2315, sleeve 2313 and second gear 2316. The input gear 2314 is located between the first gear 2315 and the second gear 2316 and is respectively meshed with the first gear 2315 and the second gear 2316; the second part includes the second rotating shaft 2312, the third gear 2317 and the fourth gear 2318. That is, start the first motor 21 to drive the input gear 2314 to rotate. At this time, the first gear 2315 and the second gear 2316 can achieve synchronous reverse rotation, and the sleeve 2313 will follow the first gear 2315 to rotate relative to the fixed frame, and the first rotating shaft 2311 will follow the second gear 2316 to rotate relative to the fixed frame, and the sleeve 2313 and the first rotating shaft 2311 have opposite rotation directions; since the first moving member 2321 of the first transmission assembly 232 is connected to the first rotating shaft 2311, and the second moving member 2322 of the first transmission assembly 232 is connected to the sleeve 2313, therefore, the first moving member 2321 and the second moving member 2322 can also achieve synchronous reverse rotation. At the same time, since the third gear 2317 in the second part that is meshed with the first gear 2315 will rotate with the first gear 2315; therefore, the third gear 2317 will also drive the second rotating shaft 2312 to rotate accordingly, and the first rotating shaft 2311 and the second rotating shaft 2312 have the same rotation direction. It can be understood that, Figure 5 When the second motor 22 drives the second rotating shaft 2312 to rotate through the fourth gear 2318 and the third gear 2317, the transmission process is the same as the above process and will not be repeated here. It is only necessary to make the direction in which the second motor 22 drives the second rotating shaft 2312 to rotate the same as the direction in which the first motor 21 drives the second rotating shaft 2312 to rotate, so as to speed up the rotation speed of the first rotating shaft 2311, the second rotating shaft 2312 and the sleeve 2313.

[0037] In one embodiment, if Figure 5 As shown, the telescopic mechanism 3 includes a first telescopic assembly 31 and a second telescopic assembly 32; the first telescopic assembly 31 includes a first wing plate 311 and a second wing plate 312, both of which are arranged on the first side of the lower guard main board 1 and connected to the driving assembly 2; the second telescopic assembly 32 includes a third wing plate 321 and a fourth wing plate 322, both of which are arranged on the second side of the lower guard main board 1 and connected to the driving assembly 2. It can be understood that the first wing plate 311 and the second wing plate 312 of the first telescopic assembly 31 can be extended or contracted under the drive of the driving assembly to achieve a change in the coverage area of ​​the first side edge of the lower guard main board 1, and the third wing plate 321 and the fourth wing plate 322 of the second telescopic assembly 32 can be extended or contracted under the drive of the driving assembly to achieve a change in the coverage area of ​​the second side edge of the lower guard main board 1.

[0038] In one embodiment, the opposite side edges of the lower guard main board 1 are respectively recessed toward the middle position to form a first notch 5 and a second notch 6; the first telescopic component 31 is arranged on the lower guard main board 1 at a position opposite to the first notch 5; the second telescopic component 32 is arranged on the lower guard main board 1 at a position opposite to the second notch 6; the driving component 2 is installed on the lower guard main board 1, the driving component 2 is connected to the first telescopic component 31 and is used to drive the first telescopic component 31 to telescope to cover or open the first notch 5; the driving component 2 is connected to the second telescopic component 32 and is used to drive the second telescopic component 32 to telescope to cover or open the second notch 6.

[0039] Among them, the first notch 5 and the second notch 6 are respectively arranged on opposite sides of the lower guard main board 1, the first telescopic component 31 is arranged at a position on the lower guard main board 1 opposite to the first notch 5, and the second telescopic component 32 is arranged at a position on the lower guard main board 1 opposite to the second notch 6. The driving component 2 installed on the lower guard main board 1 is respectively connected to the first telescopic component 31 and the second telescopic component 32. The driving component 2 can drive the first telescopic component 31 to telescope so that the first telescopic component 31 covers or opens the first notch 5. The driving component 2 can also drive the second telescopic component 32 to telescope so that the second telescopic component 32 covers or opens the second notch 6, so that the coverage area of ​​the lower guard main board 1 on the front cabin of the fuselage can be adjusted.

[0040] When the vehicle is traveling at a low speed, the first telescopic assembly 31 and the second telescopic assembly 32 can be partially or completely retracted above the lower guard main board 1, so that the first notch 5 and the second notch 6 are partially or completely opened. In this way, the first notch 5 and the second notch 6 can guide the airflow to flow out of the front cabin of the fuselage from both sides of the lower guard main board 2, thereby reducing the wind resistance of the vehicle when traveling according to actual needs.

[0041] When the vehicle is driving at high speed, Figure 2As shown, the driving assembly 2 can drive the first telescopic assembly 31 and the second telescopic assembly 32 to completely retract above the lower guard main board 1 to completely open the first notch 5 and the second notch 6. The vehicle is in low wind resistance mode. The first telescopic assembly 31 and the second telescopic assembly 32 are completely retracted, which means that the first telescopic assembly 31 rotates toward the second telescopic assembly 32 to the first limit position above the lower guard main board 1, and the second telescopic assembly 32 rotates toward the first telescopic assembly 31 to the second limit position above the lower guard main board 1. The first limit position and the second limit position can be set according to the vehicle condition and the area size of the front cabin of the vehicle body. Further, a stopper is set on the lower guard main board 1 corresponding to the first limit position and the second limit position to prevent the first telescopic assembly 31 and the second telescopic assembly 32 from continuing to rotate, thereby realizing that the rotation angle of the first telescopic assembly 31 and the second telescopic assembly 32 on the lower guard main board 1 is adjustable within a certain angle range, and the angle range of the rotation angle can be specifically determined according to the stopper set at the first limit position and the second limit position. In this way, when the first telescopic component 31 and the second telescopic component 32 are respectively in the first extreme position and the second extreme position, the distance between the first telescopic component 31 and the second telescopic component 32 is the shortest. At this time, the high-speed airflow is discharged through the first notch 5 and the second notch 6, and can also be discharged through the drainage air duct, so that the wind resistance of the vehicle is minimized when driving.

[0042] When driving in rainy weather, Figure 3 As shown, the driving assembly 2 drives the first telescopic assembly 31 and the second telescopic assembly 32 to extend to respectively completely cover the first gap 5 and the second gap 6. In this way, the car is in the water-proof mode, the lower guard main board 1 covers the largest area in the front cabin of the fuselage, the gap between the lower guard main board 1 and the front cabin bottom plate is covered, and the accumulated water is blocked outside and will not be impacted into the front cabin, effectively protecting the front cabin vehicle parts.

[0043] In one embodiment, if Figures 1 to 4As shown, the first telescopic assembly 31 and the second telescopic assembly 32 are symmetrically arranged. It can be understood that the first telescopic assembly 31 is arranged on the first side of the lower guard main board 1, and the second telescopic assembly 32 is arranged on the second side of the lower guard main board 1, that is, the first wing plate 311 and the second wing plate 312 are arranged on the first side of the lower guard main board 1, and the third wing plate 321 and the fourth wing plate 322 are arranged on the second side of the lower guard main board 1. The first notch 5 and the second notch 6 are both arc-shaped notches opened in the middle of the edge of the lower guard main board 1. When the first wing plate 311 and the second wing plate 312 need to be rotated to open the first notch 5, the first The rotation directions of the wing plate 311 and the second wing plate 312 are opposite. When the third wing plate 321 and the fourth wing plate 322 need to be rotated to open the second notch 6, the rotation directions of the third wing plate 321 and the fourth wing plate 322 are opposite; but when the first wing plate 311, the second wing plate 312, the third wing plate 321 and the fourth wing plate 322 need to be rotated at the same time to open the first notch 5 and the second notch 6, the rotation directions of the first wing plate 311 and the third wing plate 321 are the same, and the rotation directions of the second wing plate 312 and the fourth wing plate 322 are the same. When the first wing plate 311, the second wing plate 312, the third wing plate 321 and the fourth wing plate 322 need to be rotated at the same time to cover the first notch 5 and the second notch 6, the rotation direction is opposite to the above-mentioned direction of opening the first notch 5 and the second notch 6, which will not be repeated here.

[0044] In the above-mentioned embodiment of the utility model, since the first telescopic component 31 and the second telescopic component 32 are both connected to the driving component 2 installed on the lower guard main board 1, the driving component 2 can drive the first telescopic component 31 to telescope relative to the lower guard main board 1 so that the first telescopic component 31 covers or opens the first gap 5, and the driving component 2 can also drive the second telescopic component 32 to telescope relative to the lower guard main board 1 so that the second telescopic component 32 covers or opens the second gap 6; in this way, the telescopic design of the first telescopic component 31 and the second telescopic component 32 can assist in adjusting the coverage area of ​​the lower guard main board 1 on the front cabin of the fuselage; that is, when the first telescopic component 31 and the second telescopic component 32 open the first gap 5 and the second gap 6 respectively, the first gaps on the opposite sides of the lower guard main board 1 5 and the second notch 6 are not covered, at this time, the front cabin of the fuselage is only covered by the lower guard main board 1 with a smaller area, so that the vehicle can travel in the low wind resistance mode or the optimal wind resistance mode; when the first telescopic component 31 and the second telescopic component 32 completely cover the first notch 5 and the second notch 6, at this time, the front cabin of the fuselage is covered and blocked by the lower guard main board 1, the first telescopic component 31 and the second telescopic component 32 at the same time, at this time, the rear suspension lower body will not be impacted by a large amount of water, and the pressure relief valve will not enter water. At this time, the vehicle can travel in the wading protection mode; in this way, the rear suspension lower guard plate structure in the utility model can be switched into different forms to adapt to the needs of the vehicle under different working conditions, while reducing the vehicle's driving wind resistance, it can also improve the vehicle's waterproof performance.

[0045] In one embodiment, if Figure 2 As shown, the first moving member 2321 includes a first connecting rod assembly connected to the first wing plate 311, and a second connecting rod assembly connected to the third wing plate 321; the second moving member 2322 includes a third connecting rod assembly connected to the second wing plate 312, and a fourth connecting rod assembly connected to the fourth wing plate 322. It can be understood that the first movable member 2321 connects the first wing plate 311 and the third wing plate 321, and the second movable member 2322 connects the second wing plate 312 and the fourth wing plate 322. Since the first movable member 2321 and the second movable member 2322 can respectively realize synchronous reverse rotation under the drive of the first rotating shaft 2311 and the sleeve 2313 of the coaxial reversing component 231, therefore, since the rotation directions of the first wing plate 311 and the third wing plate 321 need to be the same, the rotation directions of the second wing plate 312 and the fourth wing plate 322 need to be the same, therefore, the first wing plate 311 and the third wing plate 321 can be composed of a first group of wing plates connected to one end of the first movable member 2321 away from the first rotating shaft 2311, and the second wing plate 312 and the fourth wing plate 322 can be composed of a second group of wing plates connected to one end of the first movable member 2321 away from the sleeve 2313, so that the first group of wing plates and the second group of wing plates can realize synchronous reverse rotation.

[0046] Specifically, the first moving member 2321 includes a first connecting rod assembly connected to the first wing plate 311, and a second connecting rod assembly connected to the third wing plate 321, and the first connecting rod assembly and the second connecting rod assembly are both connected to the first rotating shaft 2311; the second moving member 2322 includes a third connecting rod assembly connected to the second wing plate 312, and a fourth connecting rod assembly connected to the fourth wing plate 322, and the third connecting rod assembly and the fourth connecting rod assembly are both connected to the sleeve 2313. Further, the first connecting rod assembly, the second connecting rod assembly, the third connecting rod assembly and the fourth connecting rod assembly can all be connecting rod mechanisms composed of one or more connections, and the specific connection of the connecting rod mechanisms and their kinematic relationship are not repeated here, as long as the connecting rod mechanisms can be driven by the above-mentioned coaxial reversing assembly 231 to drive the movement of each wing plate.

[0047] In one embodiment, the lower main guard plate 1 is provided with a first sliding groove (not shown), a second sliding groove (not shown), a third sliding groove (not shown) and a fourth sliding groove (not shown); the first wing plate 311 is provided with a first positioning column (not shown) slidably inserted in the first sliding groove; the second wing plate 312 is provided with a second positioning column (not shown) slidably inserted in the second sliding groove; the third wing plate 321 is provided with a third positioning column (not shown) slidably inserted in the third sliding groove; the fourth wing plate 322 is provided with a fourth positioning column (not shown) slidably inserted in the fourth sliding groove. It can be understood that in order to make the first wing plate 311, the second wing plate 312, the third wing plate 321 and the fourth wing plate 322 move more smoothly relative to the lower guard plate 1 and their movement trajectory is more accurately controllable, and at the same time, in order to limit the maximum displacement of the first telescopic assembly 31 and the second telescopic assembly 32 on the lower guard plate 1, the above-mentioned first sliding groove, second sliding groove, third sliding groove and fourth sliding groove can be set to limit the sliding trajectory of the first wing plate 311, the second wing plate 312, the third wing plate 321 and the fourth wing plate 322. Further, the first positioning column can pass through the first wing plate to connect with the first connecting rod assembly, the second positioning column can pass through the second wing plate 312 to connect with the third connecting rod assembly, the third positioning column can pass through the third wing plate 321 to connect with the second connecting rod assembly, and the fourth positioning column can pass through the fourth wing plate 322 to connect with the fourth connecting rod assembly.

[0048] In one embodiment, if Figure 4 As shown, the second transmission assembly 233 includes a plurality of fifth connecting rod assemblies 2331 connected one-to-one with each of the hole covers 4. It can be understood that the second transmission assembly 233 is connected to the second rotating shaft 2312, the number of the fifth connecting rod assemblies 2331 of the second transmission assembly 233 is consistent with the number of the hole covers 4, and the fifth connecting rod assembly 2331 is connected between the hole covers 4 and the second rotating shaft 2312, so that the moving direction of the hole covers 4 is the same as the rotating direction of the third gear 2317. The fifth connecting rod assembly 2331 can be a connecting rod mechanism composed of one or more connections, and the specific connection of the connecting rod mechanism and its motion relationship are not repeated here, as long as the connecting rod mechanism can be driven by the above-mentioned coaxial reversing assembly 231 to drive each hole cover 4 to move.

[0049] The utility model also provides a car, comprising the above rear underslung guard plate structure. The rear underslung guard plate structure comprises a lower guard plate main board 1, a driving assembly 2, and a telescopic mechanism 3 arranged at the edge of the lower guard plate main board 1; the driving assembly 2 is installed on the lower guard plate main board 1, and the driving assembly 2 is connected to the telescopic mechanism 3 and is used to drive the telescopic mechanism 3 to telescope to change the coverage area of ​​the edge of the lower guard plate 1.

[0050] In the automobile in the above-mentioned embodiment of the utility model, since the driving assembly 2 installed on the lower guard main board 1 can drive the telescopic mechanism 3 to extend or contract along the edge of the lower guard main board 1, thereby changing the coverage area of ​​the edge of the lower guard main board 1, and then assisting the lower guard main board 1 to adjust the coverage area of ​​the front cabin of the fuselage, that is, when the telescopic mechanism 3 is retracted to the lower guard main board 1, the coverage area of ​​the edge of the lower guard main board 1 is small. At this time, the front cabin of the fuselage is only covered by the lower guard main board 1 with a smaller area, so that the vehicle can travel in a low wind resistance mode or an optimal wind resistance mode; and when the telescopic mechanism 3 is extended to completely cover the edge of the lower guard main board 1, at this time, the front cabin of the fuselage is covered and blocked by the lower guard main board 1 and the telescopic mechanism 3 at the same time, at this time, the rear suspension lower body will not be impacted by a large amount of water, and the pressure relief valve will not enter water. At this time, the vehicle can travel in a wading protection mode; in this way, the rear suspension lower guard plate structure in the utility model can be switched into different forms through the telescopic mechanism 3 to adapt to the needs of the vehicle under different working conditions, while reducing the wind resistance of the vehicle, it can also improve the waterproof performance of the vehicle.

[0051] The above are only embodiments of the rear suspension lower guard plate structure and the automobile of the present invention, and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rear underslung guard plate structure, characterized in that: It includes a lower guard main board, a driving component and a telescopic mechanism arranged at the edge of the lower guard main board; the driving component is installed on the lower guard main board, the driving component is connected to the telescopic mechanism and is used to drive the telescopic mechanism to extend and retract to change the coverage area of ​​the edge of the lower guard main board.

2. The rear underslung guard plate structure according to claim 1, characterized in that: The lower guard plate is provided with a plurality of guide holes; the rear-suspended lower guard plate structure also includes hole covers arranged one-to-one corresponding to each of the guide holes, and the driving component is connected to the hole covers and is used to drive the hole covers to move to cover or open the guide holes.

3. The rear underslung guard plate structure according to claim 2, characterized in that: The driving assembly includes a motor assembly and a transmission mechanism, the motor assembly is connected to the transmission mechanism, and the transmission mechanism is connected to the telescopic mechanism and all the hole covers.

4. The rear underslung guard plate structure according to claim 3, characterized in that: The motor assembly includes a first motor and a second motor; the transmission mechanism includes a coaxial reversal assembly, a first transmission assembly and a second transmission assembly, and the driving shaft of the first motor and the driving shaft of the second motor are coaxially arranged relative to each other; the coaxial reversal assembly is connected between the driving shaft of the first motor and the driving shaft of the second motor; one end of the first transmission assembly is connected to the coaxial reversal assembly, and the other end of the first transmission assembly is connected to the telescopic mechanism; one end of the second transmission assembly is connected to the coaxial reversal assembly, and the other end of the second transmission assembly is connected to the hole cover.

5. The rear underslung guard plate structure according to claim 4, characterized in that: The coaxial reversing assembly comprises a fixing frame, a first rotating shaft, a second rotating shaft, a sleeve, an input gear, a first gear, a second gear, a third gear and a fourth gear; wherein the input gear is fixedly mounted on the driving shaft of the first motor, and the fourth gear is fixedly mounted on the driving shaft of the second motor; the first rotating shaft and the second rotating shaft are arranged in parallel and spaced apart, and the first rotating shaft and the second rotating shaft are both rotatably mounted on the fixing frame; the sleeve is rotatably sleeved on the first rotating shaft, and the first gear is coaxially fixedly connected with the sleeve; the second gear is fixedly mounted on the first rotating shaft, and the third gear is fixedly mounted on the second rotating shaft; the input gear is located between the first gear and the second gear and is respectively meshed with the first gear and the second gear; the first gear is meshed with the third gear; and the third gear and the input gear are respectively located on opposite sides of the first gear; the third gear is meshed with the fourth gear; The first transmission assembly includes a first moving member connected to the first rotating shaft and a second moving member connected to the sleeve, and the second transmission assembly is connected to the second rotating shaft.

6. The rear underslung guard plate structure according to claim 5, characterized in that: The telescopic mechanism includes a first telescopic component and a second telescopic component; the first telescopic component includes a first wing plate and a second wing plate, both of which are arranged on the first side of the lower guard main board and connected to the driving component; the second telescopic component includes a third wing plate and a fourth wing plate, both of which are arranged on the second side of the lower guard main board and connected to the driving component.

7. The rear underslung guard plate structure according to claim 6, characterized in that: The first telescopic assembly and the second telescopic assembly are symmetrically arranged.

8. The rear underslung guard plate structure according to claim 6, characterized in that: The first moving member includes a first connecting rod assembly connected to the first wing plate, and a second connecting rod assembly connected to the third wing plate; The second moving member includes a third connecting rod assembly connected to the second wing plate, and a fourth connecting rod assembly connected to the fourth wing plate.

9. The rear underslung guard plate structure according to claim 5, characterized in that: The second transmission assembly includes a plurality of fifth connecting rod assemblies connected to each of the hole covers in a one-to-one correspondence.

10. An automobile, characterized in that: The invention comprises the rear suspension lower guard plate structure as described in any one of claims 1 to 9.

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