CN219989357U - Guard board of chassis and vehicle - Google Patents

Abstract

The utility model relates to the technical field of vehicles, in particular to a guard board of a chassis and a vehicle, wherein the guard board of the chassis comprises a first plate, a second plate and a third plate, the first plate is provided with a first installation part and a first guide part, the first installation part is used for being fixedly connected with the middle part of the chassis, and the first guide part extends along a first direction; the second plate is provided with a second installation part and a second guide part, the second guide part extends along a second direction, and a first included angle alpha is formed between the first direction and the second direction; the second plate is arranged between the first plate and the third plate, the third plate is provided with a third guiding part, the second installation part is used for being fixedly connected with the tail part of the chassis, and a second included angle beta is formed between the third guiding part and the horizontal plane. The guiding directions of the first guiding part, the second guiding part and the third guiding part are adjusted through the first included angle and the second included angle, so that wind resistance and energy consumption of a vehicle are reduced.

Description

Guard board of chassis and vehicle

Technical Field

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

Background

Along with the increasingly outstanding environmental pollution and energy problems, the requirements of people on the endurance mileage of the vehicle are higher and higher, the wind resistance of the whole vehicle plays a main factor on the endurance mileage, the wind resistance coefficient is directly influenced by the chassis packaging technology, the structural shapes of the rear lower guard plate and the spoiler have a larger influence on the tail flow field of the vehicle, the packaging degree of the tail of the chassis is improved as much as possible, and therefore the wind resistance coefficient of the new energy vehicle with increased range is reduced. In the prior art, wind resistance at the chassis position is large, the overall power efficiency of the vehicle is low, and the running energy consumption of the vehicle is improved.

Disclosure of Invention

One of the purposes of the utility model is to provide a protective plate of a chassis, which can reduce wind resistance and reduce energy consumption of a vehicle; another object of the present utility model is to provide a vehicle.

In order to achieve the above object, in a first aspect, an embodiment of the present utility model provides a chassis guard, including:

the first plate is provided with a first installation part and a first guide part, the first installation part is used for being fixedly connected with the middle part of the chassis, and the first guide part extends along a first direction;

the second plate is provided with a second installation part and a second guide part, the second guide part extends along a second direction, a first included angle alpha is formed between the first direction and the second direction, and the second installation part is used for being fixedly connected with the tail part of the chassis;

the third plate, the second plate set up in first plate with between the third plate, the third plate is provided with third guiding portion, have second contained angle beta between third guiding portion and the horizontal plane.

Further, the first direction and the extending direction of the chassis middle part are parallel to each other, wherein, alpha is more than or equal to 10 degrees and less than or equal to 20 degrees, and beta is more than or equal to 2 degrees and less than or equal to 5 degrees.

Further, the novel solar panel further comprises a first arc-shaped guide wall, a second arc-shaped guide wall and a third arc-shaped guide wall, wherein the first arc-shaped guide wall is arranged at the first end of the first panel, the second arc-shaped guide wall is arranged between the first panel and the second panel, and the third arc-shaped guide wall is arranged between the second panel and the third panel.

Further, the first guide portion and the second guide portion are of protruding structures formed on one side facing the ground, a converging port is formed between the first guide portion and the second guide portion, and the first guide portion and the second guide portion are communicated through the converging port.

Further, a third included angle theta is formed between the first plate and the second plate, a fourth included angle epsilon is formed between the second plate and the third plate, the third plate comprises an ascending section, and a fifth included angle gamma is formed between the ascending section and a horizontal plane, wherein theta is more than or equal to 8 degrees and less than or equal to 10 degrees, epsilon is more than or equal to 7 degrees and less than or equal to 9 degrees, and gamma is more than or equal to 30 degrees and less than or equal to 40 degrees.

Further, the third plate comprises a spoiler and an edge section, the edge section is in a circular arc-shaped structure, and the spoiler is arranged on the edge section and extends along the extending direction of the edge section.

Further, the first plate, the second plate and the third plate are integrally formed, the first guide portion is integrally formed with the first plate, the second guide portion is integrally formed with the second plate, and the third guide portion is integrally formed with the third plate.

Further, the both sides of second plate have the portion of bending, the portion of bending includes first bending board and the second bending board of integral connection, the one end of first bending board with the second guiding portion is connected, first bending board extends along the third direction, the third direction with the second direction reaches have the contained angle between two liang in the third direction the second bending board place the plane with have the interval distance between the plane at second guiding portion place.

Further, the device also comprises a plurality of drain holes, and a plurality of drain holes are arranged on the second plate and the third plate at intervals.

In order to achieve the above object, in a second aspect, an embodiment of the present utility model provides a vehicle including the chassis guard.

The technical scheme provided by the embodiments of the utility model has the following beneficial effects: through first plate, second plate and third plate, carry out the air current to the chassis and guide, be provided with first installation department on first plate, be provided with second installation department on the third plate, accessible first installation department and second installation department install the backplate, improve the convenience of use, do further guide to the air current through first guiding part, second guiding part and third guiding part, simultaneously through first guiding part, second guiding part and third guiding part's direction of second contained angle adjustment to further improvement water conservancy diversion's efficiency.

Drawings

FIG. 1 is a schematic perspective view showing a first side of a guard plate of a chassis according to a first embodiment of the present utility model;

FIG. 2 is a schematic perspective view showing a second side of a guard plate of a chassis according to a first embodiment of the present utility model;

FIG. 3 is a schematic view showing the construction of a third side of a guard plate of a chassis according to the first embodiment of the present utility model;

FIG. 4 shows a top view of a fender of a chassis provided by a first embodiment of the utility model;

fig. 5 shows a top view of the chassis guard provided by the first embodiment of the present utility model after being assembled with the chassis.

Wherein,

10. a first plate member;

11. a first mounting portion; 12. a first guide portion;

20. a second plate member;

21. a second mounting portion; 22. a second guide portion; 23. a bending part; 111. a sink;

30. a third plate member;

31. a third guide portion; 32. a spoiler; 33. an edge section; 34. a lifting section;

40. a drain hole; 50. a mounting hole;

60. a first arcuate deflector wall; 70. a second arcuate deflector wall; 80. a third arc-shaped guide wall;

100. a first direction; 200. a second direction; 300. a third direction;

1. the middle part of the chassis; 2. and a rear bumper.

Detailed Description

Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Along with the increasingly outstanding environmental pollution and energy problems, the requirements of people on the endurance mileage of the vehicle are higher and higher, the wind resistance of the whole vehicle plays a main factor on the endurance mileage, the wind resistance coefficient is directly influenced by the chassis packaging technology, the structural shapes of the rear lower guard plate and the spoiler have a larger influence on the tail flow field of the vehicle, the packaging degree of the tail of the chassis is improved as much as possible, and therefore the wind resistance coefficient of the new energy vehicle with increased range is reduced. In the prior art, wind resistance at the chassis position is large, the overall power efficiency of the vehicle is low, and the running energy consumption of the vehicle is improved.

At present, the design structure of a guard plate structure product below the chassis and close to the tail of a vehicle is complex, the development cost is high, and the air flow direction of the tail of the vehicle cannot be controlled efficiently, so that the bottom plate guard plate structure which can be arranged at the tail of the vehicle and can guide the air flow at the tail of the vehicle is very necessary to develop and design.

In order to achieve the above object, in a first aspect, an embodiment of the present utility model provides a guard board of a chassis, including a first plate 10, a second plate 20, and a third plate 30, where the first plate 10 is provided with a first mounting portion 11 and a first guiding portion 12, the first mounting portion 11 is used for being fixedly connected with a middle portion 1 of the chassis, and the first guiding portion 12 extends along a first direction 100; the second plate 20 is provided with a second mounting portion 21 and a second guiding portion 22, the second guiding portion 22 extends along a second direction 200, and a first included angle α is formed between the first direction 100 and the second direction 200; the second plate 20 is disposed between the first plate 10 and the third plate 30, the third plate 30 is provided with a third guiding portion 31, the second mounting portion 21 is connected and fixed with the tail portion 2 of the chassis, and a second included angle β is formed between the third guiding portion 31 and the horizontal plane.

Referring to fig. 1, 2 and 3, the chassis is guided by the first plate 10, the second plate 20 and the third plate 30, the first mounting portion 11 is provided on the first plate 10, the second mounting portion 21 is provided on the second plate 20, the guard plate can be mounted by the first mounting portion 11 and the second mounting portion 21, the convenience of use is improved, the air flow is further guided by the first guiding portion 12, the second guiding portion 22 and the third guiding portion 31, and meanwhile, the guiding directions of the first guiding portion 12, the second guiding portion 22 and the third guiding portion 31 are adjusted by the first included angle and the second included angle, so that the guiding efficiency is further improved.

In another embodiment, further, as shown with reference to FIG. 1, the first direction 100 is parallel to the direction of extension of the chassis middle, wherein 10.ltoreq.α.ltoreq.20, and 2.ltoreq.β.ltoreq.5. Further, the air flow is gradually guided to the tail by the first guide portion 12, the second guide portion 22 and the third guide portion 31, so that the wind resistance can be reduced.

As an example, α=15°, β=2°, and further on the first plate 10, the first guiding portion 12 may be parallel to the extending direction of the chassis middle portion, so as to ensure that the airflow smoothly transits to the second plate 20 along the first guiding portion 12, and the second plate 20 has the second guiding portion 22 thereon, and the third plate 30 has the third guiding portion 31, so that the second guiding portion 22 is inclined toward the vehicle body direction by the first included angle α, so as to avoid the airflow from directly impacting the vehicle components, thereby reducing the wind resistance suffered by the vehicle.

The third guiding portion 31 on the third plate 30 continues to rise relative to the vehicle body through the second included angle β, and the third plate 30 may overlap the rear bumper through the second mounting portion 21, so as to ensure that the air flow passing through the second mounting portion rises and then merges with the wake air flow faster, thereby reducing wake vortex and reducing wind resistance.

As an example, the first mounting portion 11 is located at the edge of the first plate 10, a plurality of mounting through holes are formed in the first mounting portion 11, the second mounting portion 21 is located at the edge of the second plate 20, the second mounting portion 21 adopts a counter bore structure, a mounting hole 50 is formed in the second mounting portion 21, and the mounting hole 50 is located at the center of the counter bore.

Further, the first arc-shaped guide wall 60, the second arc-shaped guide wall 70 and the third arc-shaped guide wall 80 are further included, the first arc-shaped guide wall 60 is disposed at the first end of the first plate 10, the second arc-shaped guide wall 70 is disposed between the first plate 10 and the second plate 20, and the third arc-shaped guide wall 80 is disposed between the second plate 20 and the third plate 30. The first arc-shaped guide wall 60, the second arc-shaped guide wall 70 and the third arc-shaped guide wall 80 are used for smoothly and excessively connecting the connecting positions among the first plate 10, the second plate 20 and the third plate 30, so that the guide effect is further improved.

Further, the first guide portion 12 and the second guide portion 22 are both of a convex structure formed on a side facing the ground, a converging port 111 is provided between the first guide portion 12 and the second guide portion 22, and the first guide portion 12 and the second guide portion 22 are communicated through the converging port 111. The first direction 100 is the extending direction from the head to the tail, the second direction 200 is perpendicular to the first direction 100, the air flow is converged through the converging port 111, the converging port 111 is in smooth transitional connection with the second arc-shaped flow guide wall 70, and further, the wind resistance in the flow guide process can be further reduced, and the energy consumption of the vehicle is reduced.

In another embodiment, the first guiding portion 12 includes a drainage plate (not shown in the figure), and the drainage plate may also be configured as a plate structure tilted towards one side of the chassis, so that the airflow can be quickly guided to the first guiding portion 12 by fitting the drainage plate, and wind resistance is further reduced.

Referring to FIG. 3, the first side of the guard plate is made to be the side facing the vehicle body, the second side of the guard plate is made to be the first side facing the ground, and the third side faces the side facing the vehicle door, further, a third included angle θ is formed between the first plate member 10 and the second plate member 20, a fourth included angle ε is formed between the second plate member 20 and the third plate member 30, the third plate member 30 includes a rising section 34, and a fifth included angle γ is formed between the rising section 34 and the horizontal plane, wherein θ is 8-10 °, 7-9 °, 30-40 °. The flow guiding directions of the first plate 10, the second plate 20 and the third plate 30 are reasonably limited through the third included angle theta, the fourth included angle epsilon and the fifth included angle gamma, so that wind resistance in the flow guiding process is further reduced, and the energy consumption of a vehicle is reduced.

As an example, θ=9°, ε=8°, γ=35°, and thus the first plate 10, the second plate 20 and the third plate 30 are designed such that during the flow guiding process, the air flow starts to be guided from the inlet angle of the first plate 10 and the outlet angle of the air flow, which is guided through the second plate 20 and then through the third plate 30, thereby improving the aerodynamic performance and the stability of the vehicle running at high speed.

Further, the third plate 30 includes a spoiler 32 and an edge segment 33, the edge segment 33 has a circular arc structure, and the spoiler 32 is disposed on the edge segment 33 and extends along the extending direction of the edge segment 33. The length range of the spoiler ranges from 50mm to 100mm, the edge section 33 is arranged on one side facing the tail of the automobile, and the profile of the cross section of the edge end is circular arc, so that the vortex core of the airflow at the tail of the automobile is far away from the automobile body, and the effect of reducing wind resistance is further improved.

Further, the first plate 10, the second plate 20 and the third plate 30 are integrally formed, the first guide portion 12 is integrally formed with the first plate 10, the second guide portion 22 is integrally formed with the second plate 20, and the third guide portion 31 is integrally formed with the third plate 30.

Further, the second plate 20 has bending portions 23 on two sides, the bending portions 23 include a first bending plate and a second bending plate that are integrally connected, one end of the first bending plate is connected to the second guiding portion 22, the first bending plate extends along the third direction 300, an included angle is formed between the third direction 300 and the second direction 200, and between the third direction 300 and each other, and in the third direction 300, a space distance is formed between a plane where the second bending plate is located and a plane where the second guiding portion 22 is located.

The transverse direction of the second plate 20 is provided with the bending part 23 extending along the third direction 300, the third direction 300 can be set to be the vertical direction, the bending part 23 can be set to be a bent flanging structure, the bending angle of the bending part 23 is an obtuse angle, the height range of the bending part 23 along the vertical direction is 60mm-100mm, the vertical design not only strengthens the strength of the whole guard plate structure, but also is beneficial to reducing the air flow passing through the bottom of the guard plate, and is beneficial to reducing the energy loss due to the air flow interference caused by the rear tire rotating at high speed from the side surface of the vehicle.

Further, the structure further includes a plurality of drain holes 40, and the plurality of drain holes 40 are spaced apart from each other and disposed on the second plate 20 and the third plate 30. As an example, the third plate 30 may be provided with a drain hole 40, where the drain hole 40 not only reduces weight and prevents water accumulation and deposition, but also guides the air flow in the cavity enclosed by the guard plate and the vehicle body, and makes the air flow out and adhere to the vehicle bottom, so as to prevent the air flow in the cavity from being involved in the wheel rotating at a high speed to increase energy loss, and thus, the wind resistance is more beneficial to being reduced.

As an example, the drain hole 40 has a long rectangular shape, the length of the drain hole 40 along the longitudinal direction of the vehicle is in the range of 100mm to 140mm, the width of the drain hole 40 along the transverse direction of the vehicle is in the range of 30mm to 60mm, so as to improve the guiding effect of the drain hole 40 on the air flow.

In order to achieve the above object, in a second aspect, an embodiment of the present utility model provides a vehicle including a chassis fender.

After the guard board of the chassis covers the chassis, the air flow at the tail part of the vehicle bottom can be led to flow through the vehicle tail rapidly, the turbulence at the muffler at the position of the vehicle tail is reduced, the back pressure is increased, the pressure difference at each position of the guard board is reduced, and the energy loss caused by turbulence is reduced, so that the wind resistance is reduced.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A cover for a chassis, comprising:

a first plate (10) provided with a first mounting portion (11) and a first guide portion (12), wherein the first mounting portion (11) is used for being fixedly connected with the middle portion (1) of the chassis, and the first guide portion (12) extends along a first direction (100);

the second plate (20) is provided with a second installation part (21) and a second guide part (22), the second guide part (22) extends along a second direction (200), a first included angle alpha is formed between the first direction (100) and the second direction (200), and the second installation part (21) is used for being fixedly connected with the tail part (2) of the chassis;

the third plate (30), second plate (20) set up in first plate (10) with between third plate (30), third plate (30) are provided with third guide portion (31), have second contained angle beta between third guide portion (31) and the horizontal plane.

2. The apron of a chassis according to claim 1, characterized in that the first direction (100) and the direction of extension of the chassis middle are mutually parallel, wherein 10 ° -20 °, and 2 ° - β -5 °.

3. The apron of a chassis of claim 1, further comprising a first arcuate deflector wall (60), a second arcuate deflector wall (70), and a third arcuate deflector wall (80), the first arcuate deflector wall (60) being disposed at a first end of the first plate (10), the second arcuate deflector wall (70) being disposed between the first plate (10) and the second plate (20), the third arcuate deflector wall (80) being disposed between the second plate (20) and the third plate (30).

4. The chassis guard according to claim 1, wherein the first guide portion (12) and the second guide portion (22) are each of a convex structure formed on a side facing the ground, a converging port (111) is provided between the first guide portion (12) and the second guide portion (22), and the first guide portion (12) and the second guide portion (22) are communicated through the converging port (111).

5. The apron of a chassis according to claim 1, characterized in that a third angle θ is formed between the first plate (10) and the second plate (20), a fourth angle e is formed between the second plate (20) and the third plate (30), the third plate (30) comprises a raised section (34), a fifth angle γ is formed between the raised section (34) and the horizontal, wherein θ is 8 ° -10 °,7 ° -9 °,30 ° - γ is 40 °.

6. The chassis apron according to claim 1, characterized in that the third plate (30) comprises a spoiler (32) and an edge section (33), the edge section (33) having a circular arc-shaped structure, the spoiler (32) being arranged in the edge section (33) and extending in the direction of extension of the edge section (33).

7. The apron of a chassis according to claim 6, characterized in that the first plate (10), the second plate (20) and the third plate (30) are integrally formed, the first guide portion (12) is integrally formed with the first plate (10), the second guide portion (22) is integrally formed with the second plate (20), and the third guide portion (31) is integrally formed with the third plate (30).

8. The chassis guard according to claim 6, wherein the second plate (20) has bending portions (23) on two sides, the bending portions (23) include a first bending plate and a second bending plate that are integrally connected, one end of the first bending plate is connected to the second guiding portion (22), the first bending plate extends along a third direction (300), an included angle is formed between the third direction (300) and the second direction (200) and between the third direction (300), and a separation distance is formed between a plane where the second bending plate is located and a plane where the second guiding portion (22) is located in the third direction (300).

9. The apron of a chassis of claim 1, further comprising a plurality of drain holes (40), the plurality of drain holes (40) being spaced apart on the second plate (20) and the third plate (30).

10. A vehicle comprising a fender of the chassis of any one of claims 1-9.