CN222310761U - vehicle - Google Patents

Abstract

The utility model belongs to the technical field of vehicles, and discloses a vehicle, including a vehicle body and a rear bumper, wherein the rear bumper is installed at the rear end of the vehicle body, and the vehicle further includes a flow guide mechanism, wherein the flow guide mechanism includes a flow guide member arranged on the side of the rear bumper facing away from the vehicle body, the flow guide member is movably connected to the vehicle body, and the flow guide member has a first position close to the rear bumper and a second position away from the rear bumper; when the flow guide member is located at the second position, a downward pressure gap is formed between the flow guide member and the rear bumper. In the vehicle provided by the utility model, the flow guide member will not block the driver's sight, thereby eliminating the potential safety hazard of vehicle driving and improving the safety of vehicle driving.

Description

Vehicle with a vehicle body having a vehicle body support

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle.

Background

When a vehicle runs on a road, the air acting force can be applied, and in general, the air acting force on the vehicle can decompose forces in three directions and moments in three directions, namely lift force, resistance force, lateral force, pitching moment, yaw moment and rolling moment. When the vehicle is traveling normally and there is no significant side wind, the side force, yaw moment and roll moment are almost negligible. Therefore, in the field of vehicle aerodynamics, the forces acting on the vehicle by the air are of most concern mainly the lift, drag and pitching moment. The resistance has a great influence on the energy consumption of the vehicle, and particularly aims at a new energy automobile. But in addition to drag, lift and pitching moments are equally important to the vehicle, and unreasonable aerodynamic designs can cause the vehicle to generate positive lift and low head moment while traveling. The positive lifting force can reduce the adhesive force of the vehicle to the ground, reduce the running stability of the vehicle, commonly called as waft, and the pitching moment can reduce the adhesive force of the rear wheels and increase the load of the front wheels, so that the stability of the vehicle is reduced, and the braking performance of the vehicle is also reduced. In order to solve the problems of positive lift and pitching moment of the vehicle, the tail wing is generated.

The fin is to be referred to the aerodynamic device that can produce down force when the vehicle is high-speed to travel, among the prior art, and the fin is installed on the trunk lid of vehicle afterbody generally, and when the trunk should be in the closed state, the fin is located the top of trunk lid generally, leads to the driver to need observe the vehicle condition at vehicle rear through the interior rear-view mirror, and the fin can shelter from a part of sight, and then leads to the vehicle to have the potential safety hazard.

Therefore, there is a need for a vehicle with high safety.

Disclosure of utility model

The utility model aims to provide a vehicle, wherein the guide piece does not block the sight of a driver, and the potential safety hazard of vehicle running is reduced.

The technical scheme adopted by the utility model is as follows:

The vehicle comprises a vehicle main body and a rear bumper, wherein the rear bumper is arranged at the tail end of the vehicle main body, the vehicle further comprises a flow guiding mechanism, the flow guiding mechanism comprises a flow guiding piece arranged on one side of the rear bumper, which is opposite to the vehicle main body, the flow guiding piece is movably connected with the vehicle main body, and the flow guiding piece is provided with a first position close to the rear bumper and a second position far away from the rear bumper;

When the guide piece is positioned at the second position, a pressing gap is formed between the guide piece and the rear bumper.

Optionally, the vehicle further includes a chassis, and when the flow guiding member is located at the second position, a lowest point of the flow guiding member in a height direction of the vehicle body is always higher than a lower surface of the chassis.

Optionally, the rear bumper is provided with a receiving groove, and when the flow guiding member is located at the first position, the flow guiding member is located in the receiving groove.

Optionally, when the deflector is in the first position, the side of the deflector facing away from the vehicle body smoothly transitions with the outer side of the rear bumper, or

When the deflector is located at the first position, a side surface of the deflector facing the vehicle body contacts an outer side surface of the rear bumper.

Optionally, the vehicle further comprises a diversion mechanism and a driving mechanism, wherein the driving mechanism is arranged on the vehicle main body and is in transmission connection with the diversion piece, and the driving mechanism can drive the diversion piece to move between the first position and the second position relative to the vehicle main body.

Optionally, the driving mechanism comprises a driving assembly and a linkage assembly, the driving assembly is arranged on the vehicle main body, the linkage assembly is movably arranged on the vehicle main body, and the driving assembly, the linkage assembly and the flow guiding piece are sequentially connected in a transmission manner.

Optionally, the linkage assembly includes connecting piece and driving medium, the one end of connecting piece with drive assembly articulates, the other end with the one end of driving medium articulates, the middle part of driving medium articulates in on the vehicle main part, the other end of driving medium with the water conservancy diversion piece articulates.

Optionally, the linkage assembly further includes a first driven member, one end of the first driven member is hinged to the vehicle body, the other end of the first driven member is hinged to the flow guiding member, and the hinge position of the transmission member and the flow guiding member is spaced from the hinge position of the first driven member and the flow guiding member in the width direction of the flow guiding member.

Optionally, the surface of water conservancy diversion spare orientation vehicle main part is equipped with first support piece, the bar hole has been seted up to the rear bumper, first support piece pass the bar hole and with the driving medium is kept away from the one end of connecting piece articulates.

Optionally, the vehicle further includes a second driven member, the second driven member and the driving mechanism are arranged at intervals in a length direction of the flow guiding member, one end of the second driven member is hinged to the vehicle main body, and the other end of the second driven member is hinged to the flow guiding member.

The vehicle provided by the utility model has at least the following beneficial effects:

The guide piece is movably connected to the vehicle main body, has a first position close to the rear bumper and a second position far away from the rear bumper, a downward pressing gap is formed between the guide piece at the second position and the rear bumper, and downward pressure can be given to the vehicle main body when air flows through the downward pressing gap so as to improve the adhesion of the vehicle to the ground and the adhesion of the rear wheels to the ground, further reduce the load of the front wheels, improve the running stability of the vehicle, ensure the braking performance of the vehicle and the running safety of the vehicle, and the guide piece is arranged on one side, opposite to the vehicle main body, of the rear bumper, namely, the guide piece is of a downward structure, so that the guide piece can not block the sight of a driver, the potential safety hazard of running of the vehicle is eliminated, and the running safety of the vehicle is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a baffle provided in an embodiment of the present utility model in a closed state;

FIG. 2 is a schematic illustration I of an embodiment of the present utility model showing a deflector in an open position;

FIG. 3 is a second schematic view of the flow guide member provided in the embodiment of the present utility model in an open state;

FIG. 4 is a schematic diagram illustrating an assembly of a guide and a driving mechanism according to an embodiment of the present utility model;

FIG. 5 is a second schematic diagram illustrating assembly of the guide member and the driving mechanism according to the embodiment of the present utility model;

FIG. 6 is a third schematic diagram illustrating assembly of a deflector and a driving mechanism according to an embodiment of the present utility model;

fig. 7 is an enlarged schematic view of the utility model at a shown in fig. 3.

In the figure:

1. The vehicle comprises a vehicle main body, 11, a first fixing piece, 12, a second fixing piece, 2, a rear bumper, 21, a containing groove, 22, a strip-shaped hole, 3, a guide piece, 30, a pressing gap, 31, a first supporting piece, 32, a second supporting piece, 33, a third driving piece, 4, a driving mechanism, 41, a driving piece, 42, a screw nut structure, 43, a linkage assembly, 431, a connecting piece, 432, a transmission piece, 44, a sliding block, 5, a second driven piece, 6 and a chassis.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Example 1

The embodiment provides a vehicle, can not shelter from driver's sight, has reduced the potential safety hazard that the vehicle was gone.

As shown in fig. 1 to 7, the vehicle includes a vehicle body 1, a rear bumper 2, and a deflector mechanism. The rear bumper 2 is mounted to the rear end of the vehicle body 1, specifically below the trunk lid. The rear bumper 2 is used to cushion the impact force when the vehicle collides with another object.

The flow guiding mechanism is arranged on one side of the rear bumper 2 facing away from the vehicle body 1, and comprises a flow guiding member 3 arranged adjacent to the rear bumper 2. The deflector 3 is movably connected to the vehicle body 1, and the deflector 3 has a first position close to the rear bumper 2 and a second position away from the rear bumper 2. Fig. 1 in the present embodiment is a schematic view of the flow guiding element 3 in the first position, and fig. 2 is a schematic view of the flow guiding element 3 in the second position.

As shown in fig. 2, when the air guide member 3 is located at the second position, a pressing gap 30 is formed between the air guide member 3 and the rear bumper 2, when the air flow flows through the pressing gap 30, the air guide member 3 is pressed down, and the air guide member 3 is connected to the vehicle body 1, so as to apply the pressing force to the vehicle body 1, further resist the positive lifting force and pitching moment when the vehicle runs, enhance the adhesion of the vehicle to the ground, and improve the running stability of the vehicle.

According to the vehicle provided by the embodiment, the guide piece 3 is movably connected to the vehicle body 1 and is provided with the first position close to the rear bumper 2 and the second position far away from the rear bumper 2, the downward-pressing gap 30 is formed between the guide piece at the second position and the rear bumper 2, the downward-pressing force of the vehicle body 1 can be given to the air flow when the air flow flows through the downward-pressing gap 30, so that the adhesion force of the vehicle to the ground and the adhesion force of the rear wheels to the ground can be improved, the load of the front wheels can be reduced, the running stability of the vehicle is improved, the braking performance of the vehicle and the running safety of the vehicle are ensured, the guide piece 3 is arranged on one side, opposite to the vehicle body 1, of the rear bumper 2, namely, the guide piece 3 is of a downward-arranged structure, so that the guide piece 3 can not shade the sight of a driver, the potential safety hazard of the running of the vehicle is eliminated, and the running safety of the vehicle is improved.

In some alternative embodiments, the vehicle body 1 may further include a frame, a rear subframe, and a rail. The relative positional relationship and connection relationship of the frame, the rear subframe and the side members can be found in the prior art, and the present embodiment is not described in detail herein.

Alternatively, as shown in fig. 3, the rear bumper 2 is provided with a receiving groove 21. When the air guide piece 3 is located at the first position, as shown in fig. 1, the air guide piece 3 is located in the accommodating groove 21, and the air guide piece 3 is accommodated through the accommodating groove 21, so that the air guide piece 3 is conveniently accommodated on one hand, and on the other hand, when the air guide piece 3 is located at the first position, the air guide piece 3 can have a smaller windward area, so that the air guide piece 3 cannot excessively increase the resistance of the vehicle.

When the air guide member 3 is located in the receiving groove 21, the air flow cannot flow through the inner side surface of the air guide member 3, but flows through the outer side surface of the air guide member 3, and at this time, the air guide member 3 does not give the vehicle body 1 a downward force, that is, the air guide member 3 is not functional.

In some alternative embodiments, please continue to refer to fig. 1, when the deflector 3 is located at the first position, the side surface of the deflector 3 facing away from the vehicle body 1 and the outer side surface of the rear bumper 2 smoothly transition, on one hand, the deflector 3 does not increase the windward area of the vehicle when located at the first position, and further does not increase the air resistance when the vehicle is running, so that the energy consumption of the vehicle is not increased additionally, and on the other hand, the vehicle has a smoother appearance when the deflector 3 is located at the first position.

In some alternative embodiments, referring to fig. 2, the vehicle further comprises a chassis 6, the chassis 6 being provided at the bottom of the vehicle body 1. The lowest point of the flow guiding piece 3 in the height direction of the vehicle main body 1 is always higher than the lower surface of the chassis 6, so that the arrangement of the flow guiding piece 3 can not increase the windward area of the vehicle, the influence on the air resistance of the vehicle is very small, and the energy consumption of the vehicle can not be increased almost.

Optionally, as shown in fig. 3, the vehicle further comprises a drive mechanism 4. The drive mechanism 4 is provided on the vehicle body 1. The driving mechanism 4 is in transmission connection with the guide piece 3, the driving mechanism 4 can drive the guide piece 3 to move between a first position and a second position relative to the vehicle main body 1, automatic driving of the guide piece 3 is achieved, manual movement is not needed, and the automatic vehicle guide device has high automation degree.

In some alternative embodiments, the driving mechanism 4 is configured to drive the deflector 3 to approach the rear bumper 2 based on the acquired folding instruction so that the deflector 3 is folded to a first position relative to the rear bumper 2, and drive the deflector 3 to move away from the rear bumper 2 based on the acquired unfolding instruction so that the deflector 3 is unfolded to a second position relative to the rear bumper 2, thereby realizing automation of folding and unfolding of the deflector 3 relative to the rear bumper 2, and also realizing unfolding of the deflector 3 when needed.

Illustratively, the collapsing and expanding instructions may be obtained by a controller that controls the actuation or closure of the drive mechanism 4. The controller may be a central controller of the vehicle.

Further alternatively, the closing instruction is triggered when the vehicle speed of the vehicle is lower than the set vehicle speed, the expanding instruction is triggered when the vehicle speed of the vehicle is not lower than the set vehicle speed, and/or the closing instruction is triggered when the control button is not pressed, and the expanding instruction is triggered when the control button is pressed. Therefore, the folding instruction and the unfolding instruction can be triggered only automatically, can be triggered only manually through the control button, can be triggered automatically, can be triggered manually through the control button, and has the advantages of being rich in functions and wide in application range. As an example, the set vehicle speed may be 60 km/h, 65 km/h, or 70 km/h.

Alternatively, as shown in fig. 4, the drive mechanism 4 includes a drive assembly (not shown) and a linkage assembly 43. The driving assembly is disposed on the vehicle body 1, and the linkage assembly 43 is movably disposed on the vehicle body 1. The driving assembly, the linkage assembly 43 and the guide piece 3 are sequentially in transmission connection, the driving assembly can drive the linkage assembly 43 to act, and the guide piece 3 is driven to move between the first position and the second position through the linkage assembly 43. Illustratively, the driving assembly may be a motor, a cylinder, an electric cylinder, a hydraulic cylinder, etc., which is not limited in this embodiment.

Further alternatively, the drive assembly comprises a drive 41 and a lead screw nut structure 42. The screw of the screw nut structure 42 is fixedly connected with the output end of the driving member 41, and the nut of the screw nut structure 42 is in transmission connection with the linkage assembly 43. The driving member 41 drives the screw to rotate, the screw drives the nut to move in a specific direction, and the nut can drive the linkage assembly 43 to act when moving, so that the guide member 3 is pulled to move between the first position and the second position.

For example, the nut and the linkage assembly 43 may be connected by the slider 44, one axial end of the slider 44 is connected to the nut, and the other axial end is hinged to the linkage assembly 43, so that the driving member 41 transmits power to the guide member 3 through the screw nut structure 42 and the linkage assembly 43, so that the guide member 3 can approach or separate from the rear bumper 2, and further moves between the first position and the second position. Illustratively, the driving member 41 may be a motor, a cylinder, an electric cylinder, a hydraulic cylinder, or the like, which is not limited in this embodiment.

Alternatively, the driving member 41 may be provided inside the vehicle body 1, and a nut may be slidably provided inside the vehicle body 1 to secure the directivity of driving.

Since the screw has a self-locking property, the guide 3 does not impact the driving element 41 after being forced, and the driving element 41 can be well protected.

Alternatively, as shown in fig. 4 to 6, the linkage assembly 43 includes a connecting member 431 and a transmission member 432. One end of the connection member 431 is hinged with the driving assembly, specifically, one end of the connection member 431 is hinged with the slider 44. The other end of the connecting member 431 is hinged with one end of a transmission member 432, the middle part of the transmission member 432 is hinged on the vehicle body 1, and the other end of the transmission member 432 is hinged with the flow guiding member 3. When the driving member 41 drives the slider 44 to move in a specific direction, the slider 44 drives the connecting member 431 to act, so that the connecting member 431 drives the driving member 432 to rotate relative to the vehicle body 1, and the rotation center is the hinge position of the driving member 432 and the vehicle body 1, so that the other end of the driving member 432 swings, and the guiding member 3 is driven to move between the first position and the second position.

In some alternative embodiments, the transmission member 432 is in an "L" shape, one end of the short side of the transmission member 432 away from the corner is connected with the slider 44, the corner position of the transmission member 432 is hinged on the vehicle body 1, and one end of the long side of the transmission member 432 away from the corner is hinged with the flow guiding member 3, so that the movable space required by the linkage assembly 43 is smaller, and thus the space can occupy smaller space, so that the arrangement is convenient.

Optionally, as shown in fig. 4, the linkage assembly 43 further includes a first follower 433. One end of the first follower 433 is hinged to the vehicle body 1, and the other end is hinged to the deflector 3. The stability of water conservancy diversion spare 3 can be improved in the setting of first follower 433, guarantees the gesture of water conservancy diversion spare 3, improves the water conservancy diversion ability of water conservancy diversion spare 3.

It should be noted that, the hinge position of the transmission member 432 and the guide member 3 is spaced from the hinge position of the first follower 433 and the guide member 3 in the width direction of the guide member 3, so that the first follower 433 and the transmission member 432 are mutually matched to support the guide member 3 in the width direction of the guide member 3, further ensuring the posture of the guide member 3 and improving the guide capability of the guide member 3.

In some alternative embodiments, the vehicle body 1 and the rear bumper 2 cooperate to form a mounting space, and the drive mechanism 4 may be located in the mounting space so as not to affect the appearance of the vehicle. In this embodiment, since the deflector 3 is provided below the rear end of the vehicle, the installation space can be located below the rear end of the vehicle, so that the vehicle has sufficient space to arrange the driving mechanism 4, and also the space occupied by the trunk is avoided.

Alternatively, as shown in fig. 4, the surface of the deflector 3 facing the vehicle body 1 is provided with a first support 31. The rear bumper 2 is provided with a bar-shaped hole 22, and the first supporting member 31 passes through the bar-shaped hole 22 and is hinged with one end of the transmission member 432 away from the connection member 431. By arranging the first supporting member 31, when the flow guiding member 3 reciprocates between the first position and the second position, the first supporting member 31 passes through the bar-shaped hole 22 in a reciprocating manner, so that the length of the first supporting member 31 and the length of the transmission member 432 are not required to be too long, and the compactness of the driving mechanism 4 is improved.

It should be noted that, the transmission member 432 is disposed at an angle with the first supporting member 31, and the angle between the transmission member 432 and the first supporting member 31 when the air guiding member 3 is located at the first position is smaller than the angle between the transmission member 432 and the first supporting member 31 when the air guiding member 3 is located at the second position.

Optionally, with continued reference to fig. 4, the surface of the deflector 3 facing the vehicle body 1 is provided with a third support 33. The end of the third support 33 remote from the flow guide 3 is hinged to the first follower 433. The third supporting member 33 is disposed substantially parallel to the first supporting member 31, so that the first driven member 433 and the driving member 432 do not interfere with each other during movement, and transmission reliability is improved.

In this embodiment, as shown in fig. 4, a first fixing member 11 is disposed in the vehicle body 1, the middle of the transmission member 432 is hinged to one end of the first fixing member 11, and the first driven member 433 is hinged to the other end of the first fixing member 11, so that the transmission member 432 and the first driven member 433 can be conveniently installed and positioned by disposing the first fixing member 11.

In this embodiment, the connection between the guide member 3 and the first fixing member 11 is a simple parallelogram mechanism, and the manufacturing process of the parallelogram mechanism is very mature, so that the installation and maintenance of the linkage assembly 43 are convenient.

Optionally, as shown in fig. 4, the vehicle further comprises a second follower 5, the second follower 5 being for assisting in supporting the deflector 3. Specifically, the second driven piece 5 and the driving mechanism 4 are arranged at intervals in the length direction of the guide piece 3, one end of the second driven piece 5 is hinged to the vehicle body 1, and the other end of the second driven piece is hinged to the guide piece 3, so that different positions of the guide piece 3 in the length direction are movably connected with the vehicle body 1, and the problem that the guide piece 3 falls due to overlarge stress is avoided.

Optionally, a plurality of second followers 5 may be provided, and a plurality of second followers 5 are disposed at intervals along the length direction of the flow guiding member 3, so as to further improve the connection reliability of the flow guiding member 3.

As a further alternative, as shown in fig. 4, a plurality of second followers 5 may be provided at a position in the longitudinal direction of the flow guide 3, the plurality of second followers 5 being provided at intervals in the width direction of the flow guide 3. Illustratively, in this embodiment, two second followers 5 are disposed at a position along the length direction of the flow guiding member 3, and the two second followers 5 are disposed substantially in parallel. As another example, a second fixing member 12 is provided in the vehicle body 1, and one end of one second driven member 5 is hinged to one end of the second fixing member 12, and one end of the other second driven member 5 is hinged to the other end of the second fixing member 12. By providing the second fixing members 12, positioning and mounting of the plurality of second driven members 5 can be facilitated.

In some alternative embodiments, the surface of the deflector 3 facing the vehicle body 1 is further provided with a second support 32, the other end of the second follower 5 being hinged to the second support 32. Through setting up second support piece 32 for when water conservancy diversion spare 3 reciprocating motion between first position and second position, second support piece 32 reciprocal through rear bumper 2, make the length of second support piece 32 and the length of second follower 5 all need not to set up overlength, improved compact structure degree.

It should be noted that, the second follower 5 is disposed at an angle with the second support member 32, and the angle between the second follower 5 and the second support member 32 when the air guide member 3 is located at the first position is smaller than the angle between the second follower 5 and the second support member 32 when the air guide member 3 is located at the second position.

In this embodiment, the driving member 41 drives the transmission member 432 to rotate relative to the first fixing member 11 through the lead screw nut structure 42, and drives the first driven member 433 to rotate relative to the first fixing member 11. At this time, the movement of the deflector 3 is mobilized by the first support 31 and the third support 33. When the flow guiding piece 3 moves, the second supporting piece 32 can drive the second driven piece 5 to rotate relative to the second fixing piece 12, so that the movement of the flow guiding piece 3 between the first position and the second position is realized, and the reliability and stability of the movement of the flow guiding piece 3 are improved.

In some alternative embodiments, the drive mechanism 4 is provided with one or more, and fig. 4 is a schematic illustration of the drive mechanism 4 being provided with one. When the driving mechanism 4 is provided with a plurality of, a plurality of driving mechanisms 4 are arranged at intervals along the length direction of the flow guiding piece 3, so that the multi-point position driving of the flow guiding piece 3 is realized, and the driving effect and stability of the flow guiding piece 3 are improved.

It should be noted that, when the driving mechanism 4 is provided with a plurality of driving mechanisms, the driving mechanisms 4 act simultaneously, so as to ensure that the stress of each position of the flow guiding element 3 is uniform in the opening process, and reduce the damage of the flow guiding element 3 caused by uneven stress. It should be noted that, when the driving mechanism 4 is provided in plural, the vehicle may or may not include the second follower 5, which is not limited in this embodiment.

Alternatively, with continued reference to fig. 6, the longitudinal section of the deflector 3 is streamlined, the longitudinal section being perpendicular to the left-right direction of the vehicle. Where streamline is the shape of an object without significant separation of the fluid as it flows over the surface. By setting the longitudinal section of the flow guiding member 3 to be streamline, the flow guiding member has a high flow guiding effect. The installation position of the flow guiding element 3 in the embodiment is lower, so that the flow guiding element 3 can collapse when rear-end collision or other impact is encountered, and the flow guiding element 3 can not hurt a rear vehicle, an object or personnel.

According to the vehicle provided by the embodiment, as shown in fig. 2, when the flow guiding element 3 is located at the limit position far away from the rear bumper 2, a pressing gap 30 is formed between the flow guiding element 3 and the rear bumper 2, air flows through the chassis 6 and then flows through the pressing gap 30, downward force is applied to the flow guiding element 3, and then downward force is applied to the vehicle body 1 through the flow guiding element 3, so that the aerodynamic characteristics of the vehicle are optimized and adjusted, pitching moment of the vehicle is reduced, stability of the vehicle in the running process is improved, and braking performance of the vehicle is enhanced.

And, set up the water conservancy diversion spare 3 in the one side of rear bumper 2 back towards vehicle body 1 for the water conservancy diversion spare 3 can not shelter from the sight when the driver observes the vehicle rear car condition through the interior rear-view mirror, has effectively reduced the driving risk in the water conservancy diversion spare 3 of traditional overall arrangement.

In addition, the flow guide 3 is arranged in a downward manner, so that there is sufficient space for the drive mechanism 4. It should be further noted that the main function of the air guiding member 3 in this embodiment is to change the local airflow motion characteristics of the tail portion of the vehicle, and the air guiding member 3 itself is subject to less aerodynamic force, so that the material strength requirements of the air guiding member 3 and related structures are lower.

Example two

The present embodiment provides a vehicle differing from the first embodiment in the structure of the rear bumper 2.

Specifically, the rear bumper 2 in the present embodiment is not provided with the storage groove 21, when the deflector 3 is located at the first position, that is, when the deflector 3 is located at the limit position near the rear bumper 2, the side surface of the deflector 3 facing the vehicle body 1 contacts with the outer side surface of the rear bumper 2, so that the deflector 3 can form a protection structure, and further, the deflector 3 and the rear bumper 2 form a double protection structure, thereby further improving the protection strength of the vehicle.

Other structures in this embodiment are similar to those in the first embodiment and have similar beneficial effects, and the description of this embodiment is omitted here.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The vehicle comprises a vehicle main body (1) and a rear bumper (2), wherein the rear bumper (2) is mounted at the tail end of the vehicle main body (1), and the vehicle is characterized by further comprising a flow guiding mechanism, wherein the flow guiding mechanism comprises a flow guiding piece (3) arranged at one side of the rear bumper (2) opposite to the vehicle main body (1), the flow guiding piece (3) is movably connected with the vehicle main body (1), and the flow guiding piece (3) is provided with a first position close to the rear bumper (2) and a second position far away from the rear bumper (2);

When the guide member (3) is located at the second position, a pressing-down gap (30) is formed between the guide member (3) and the rear bumper (2).

2. The vehicle according to claim 1, characterized in that the vehicle further comprises a chassis (6), the lowest point of the deflector (3) in the height direction of the vehicle body (1) being always higher than the lower surface of the chassis (6) when the deflector (3) is in the second position.

3. Vehicle according to claim 1, characterized in that the rear bumper (2) is provided with a receiving groove (21), the deflector (3) being located in the receiving groove (21) when the deflector (3) is located in the first position.

4. The vehicle according to claim 1, characterized in that the side of the deflector (3) facing away from the vehicle body (1) and the outer side of the rear bumper (2) are smoothly transitioned when the deflector (3) is in the first position, or

When the deflector (3) is located at the first position, the side surface of the deflector (3) facing the vehicle body (1) is in contact with the outer side surface of the rear bumper (2).

5. The vehicle according to any one of claims 1-4, characterized in that the vehicle further comprises a deflector mechanism and a drive mechanism (4), the drive mechanism (4) being arranged in the vehicle body (1) and being in driving connection with the deflector (3), the drive mechanism (4) being capable of driving the deflector (3) relative to the vehicle body (1) between the first position and the second position.

6. The vehicle according to claim 5, characterized in that the driving mechanism (4) comprises a driving assembly and a linkage assembly (43), the driving assembly is arranged on the vehicle body (1), the linkage assembly (43) is movably arranged on the vehicle body (1), and the driving assembly, the linkage assembly (43) and the flow guide member (3) are sequentially connected in a transmission manner.

7. The vehicle according to claim 6, characterized in that the linkage assembly (43) comprises a connecting member (431) and a transmission member (432), one end of the connecting member (431) is hinged to the driving assembly, the other end is hinged to one end of the transmission member (432), the middle part of the transmission member (432) is hinged to the vehicle body (1), and the other end of the transmission member (432) is hinged to the flow guiding member (3).

8. The vehicle according to claim 7, characterized in that the linkage assembly (43) further comprises a first follower (433), one end of the first follower (433) is hinged to the vehicle body (1), the other end is hinged to the flow guide (3), and a hinge position of the transmission member (432) to the flow guide (3) is spaced apart from a hinge position of the first follower (433) to the flow guide (3) in a width direction of the flow guide (3).

9. The vehicle according to claim 7, characterized in that the surface of the flow guiding element (3) facing the vehicle body (1) is provided with a first supporting element (31), the rear bumper (2) is provided with a bar-shaped hole (22), and the first supporting element (31) passes through the bar-shaped hole (22) and is hinged with one end of the transmission element (432) away from the connecting element (431).

10. The vehicle according to claim 5, characterized in that the vehicle further comprises a second follower (5), the second follower (5) being arranged at a distance from the driving mechanism in the longitudinal direction of the deflector (3), one end of the second follower (5) being hinged to the vehicle body (1) and the other end being hinged to the deflector (3).