Low-wind-resistance cab and vehicle

Abstract

The utility model belongs to the technical field of vehicles, and discloses a low-wind-resistance cab and a vehicle. The low-wind-resistance cab comprises a body, a front wall outer plate assembly, a bumper assembly, a first check curtain and a second check curtain, the front wall outer plate assembly and the bumper assembly are both connected to the body, a first interval is formed between the bumper assembly and the front wall outer plate assembly, a second interval is formed between the bumper assembly and the body, the first check curtain is connected to the bumper assembly, and the second check curtain is connected to the bumper assembly. The first check curtain is connected to the bumper assembly and used for shielding the first interval, and the second check curtain is connected to the bumper assembly and used for shielding the second interval. According to the low-wind-resistance cab, the first check curtain is arranged at the first interval, and the second check curtain is arranged at the second interval, so that airflow blown from the front of a vehicle can be at least partially blocked by the first check curtain and the second check curtain, and the blocked airflow is guided out along the first check curtain and the second check curtain; therefore, airflow flowing between the front wall outer plate assembly and the bumper assembly is reduced, the wind resistance of the vehicle is reduced, and the economical efficiency of the vehicle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially low wind resistance cab and vehicle. BACKGROUND

[0002] Wind resistance is the resistance from air when the object moves, for vehicle, the vehicle wind resistance mainly is the resistance that the airflow hits the front of vehicle, friction resistance, three forms of external resistance. The resistance that airflow hits the front of vehicle is the main source of vehicle wind resistance, and the structure that the front of vehicle first faces the wind is cab.

[0003] The way of reducing vehicle wind resistance in prior art mainly has two kinds, one is through the whole appearance shape reduces cab wind resistance, for example adopts streamline design, reduces the protruding of each part of body to optimize body shape and angle to reduce air resistance and friction force, the other is arranging the fairing with the function of disturbing flow on the vehicle to reduce the wind resistance of cab on top and side.

[0004] How to further reduce cab wind resistance is a problem to be solved urgently. UTILITY MODEL CONTENT

[0005] The utility model discloses a low wind resistance cab and vehicle, which can reduce the wind resistance of the cab, improve the aerodynamic performance of the cab and effectively reduce the energy consumption of the whole vehicle.

[0006] To achieve this purpose, the utility model adopts the following technical scheme:

[0007] The low wind resistance cab comprises:

[0008] A body;

[0009] A front wall outer plate assembly connected to the body;

[0010] A bumper assembly connected to the body, wherein the bumper assembly and the front wall outer plate assembly have a first interval, and the bumper assembly and the body have a second interval;

[0011] A first curtain connected to the bumper assembly and used for shielding the first interval;

[0012] A second curtain connected to the bumper assembly and used for shielding the second interval.

[0013] As an optional technical scheme, the first curtain extends in an arc shape along the extension direction of the first interval, and / or the second curtain extends in an arc shape along the extension direction of the second interval.

[0014] As an optional technical solution, the first curtain includes a first body and a second body, the first body and the second body are connected, the first body has a first connecting portion, and the first connecting portion is used to connect to the bumper assembly.

[0015] As an optional technical solution, the first connecting portion is a first connecting hole, the bumper assembly is provided with a first threaded hole, and the first bolt passes through the first connecting hole and is threadedly connected to the first threaded hole to connect the first curtain to the bumper assembly.

[0016] As an optional technical solution, the second body includes an arc-shaped portion and a first air guide portion, the arc-shaped portion and the first air guide portion are arranged at an angle, the arc-shaped portion is connected to the first body, and the end of the first air guide portion away from the arc-shaped portion is spaced apart from the front outer panel assembly to form a first gap.

[0017] As an optional technical solution, the two sides of the arc-shaped portion are respectively a first arc-shaped surface and a second arc-shaped surface, the surface of the arc-shaped portion close to the front outer panel assembly is the second arc-shaped surface, the first arc-shaped surface and the second arc-shaped surface are arranged opposite to each other, and the arc-shaped portion is concave in the direction of the first arc-shaped surface pointing to the second arc-shaped surface.

[0018] As an optional technical solution, the first body and the second body are made by secondary injection molding.

[0019] As an optional technical solution, the second air curtain includes a third body and a second air guide portion, the third body and the second air guide portion are arranged at an angle, the third body has a second connecting portion, the second connecting portion is used to connect the bumper assembly, and the end of the second air guide portion away from the third body is spaced apart from the body to form a second gap.

[0020] As an optional technical solution, the low-drag cab also includes a third curtain, which is connected to the main body. The third curtain and the second curtain are spaced apart, and the end of the third curtain away from the main body is spaced apart from the bumper assembly to form a third gap, and the second gap and the third gap are staggered.

[0021] The utility model adopts the following technical solutions:

[0022] A vehicle comprises a vehicle body, and the vehicle further comprises the low-drag cab as described above, wherein the low-drag cab is connected to the vehicle body.

[0023] Beneficial effects of the utility model:

[0024] The utility model discloses a low wind resistance cab, which comprises a body, a front wall outer plate assembly, a bumper assembly, a first curtain and a second curtain, the front wall outer plate assembly and the bumper assembly are connected to the body, the bumper assembly and the front wall outer plate assembly have a first interval, the bumper assembly and the body have a second interval, the first curtain is connected to the bumper assembly and is used for shielding the first interval, the second curtain is connected to the bumper assembly and is used for shielding the second interval. The low wind resistance cab is provided with the first curtain at the first interval formed by the front wall outer plate assembly and the bumper assembly and is provided with the second curtain at the second interval formed by the bumper assembly and the body, so that the airflow blown from the front of the vehicle can be at least partially blocked by the first curtain and the second curtain, and the blocked airflow is guided out along the first curtain and the second curtain, thereby reducing the airflow flowing between the front wall outer plate assembly and the bumper assembly and reducing the wind resistance of the vehicle.

[0025] The utility model discloses still a kind of vehicle, which comprises vehicle body, and further include the low wind resistance cab as described above, and the low wind resistance cab is connected with vehicle body. This vehicle has good aerodynamic performance, reduces the wind resistance of vehicle, effectively reduces the energy consumption of vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structure schematic diagram of the cab of the utility model embodiment;

[0027] Figure 2 It is Figure 1 the sectional view of A-A in it;

[0028] Figure 3 It is Figure 1 the sectional view of B-B in it;

[0029] Figure 4 It is Figure 1 the sectional view of C-C in it.

[0030] In the drawing:

[0031] 10, body;

[0032] 20, front wall outer plate assembly;

[0033] 30, bumper assembly;31, first threaded hole;

[0034] 40, first curtain;41, first body;411, first connecting hole;42, second body;4211, first arc surface;4212, second arc surface;422, first flow guide part;4221, first gap;

[0035] 50, second curtain; 51, second gap;

[0036] 60, third curtain; 61, third gap;

[0037] 70. Low wind resistance rearview mirror;

[0038] 80. Door; 81. Lower decorative panel; 82. Secondary pedal. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0040] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0041] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0043] like Figures 1 to 4As shown, this embodiment provides a low-drag cab, which includes a body 10, a front outer panel assembly 20, a bumper assembly 30, a first curtain 40 and a second curtain 50. The front outer panel assembly 20 and the bumper assembly 30 are both connected to the body 10, the bumper assembly 30 and the front outer panel assembly 20 have a first gap, the bumper assembly 30 and the body 10 have a second gap, the first curtain 40 is connected to the bumper assembly 30 for covering the first gap, and the second curtain 50 is connected to the bumper assembly 30 for covering the second gap. Specifically, in this embodiment, this low wind resistance cab is provided with a first curtain 40 at a first interval formed by the front outer panel assembly 20 and the front bumper assembly 30, and a second curtain 50 at a second interval formed by the bumper assembly 30 and the body 10, so that the airflow blowing from the front of the vehicle can be at least partially blocked by the first curtain 40 and the second curtain 50, and the blocked airflow is guided out along the first curtain 40 and the second curtain 50, thereby reducing the airflow flowing into between the front outer panel assembly 20 and the bumper assembly 30, so that the wind resistance of the vehicle is reduced. At the same time, this arrangement can shield the internal structure of the cab and improve the aesthetics of the vehicle.

[0044] Specifically, in this embodiment, the body 10 includes a front cross member of the vehicle frame, and the bumper assembly 30 is fixedly mounted on the front cross member of the vehicle frame by bolts, thereby ensuring the installation stability of the bumper assembly 30 .

[0045] Furthermore, the first curtain 40 extends in an arc along the direction of the first interval, and / or the second curtain 50 extends in an arc along the direction of the second interval. Specifically, in this embodiment, the first curtain 40 extends in an arc along the direction of the first interval, and the second curtain 50 extends in an arc along the direction of the second interval. This arrangement ensures that the shapes of the first curtain 40 and the second curtain 50 match the shape of the installation location, improving the airflow guidance effect and effectively reducing the vehicle's wind resistance.

[0046] Furthermore, if Figure 2 As shown, the first curtain 40 includes a first body 41 and a second body 42, which are connected. The first body 41 has a first connecting portion, which is used to connect to the bumper assembly 30. Specifically, in this embodiment, the first body 41 and the second body 42 have different hardnesses, with the first body 41 being harder than the second body 42. This ensures the stability of the connection between the first curtain 40 and the bumper assembly 30, while also ensuring that the second body 42 can be deformed when the vehicle's cab is flipped over for maintenance, thereby improving ease of use. After the maintenance is completed, the second body 42 can return to its original state and perform normal air diversion.

[0047] Furthermore, the first connecting portion is a first connecting hole 411, and a first threaded hole 31 is provided on the bumper assembly 30. The first bolt passes through the first connecting hole 411 and is threadedly connected to the first threaded hole 31, thereby connecting the first body 41 to the bumper assembly 30. This arrangement makes the connection stable and reliable.

[0048] Optionally, the number of the first connection holes 411 and the number of the first threaded holes 31 are specifically set according to actual use, which will not be described in detail here.

[0049] Optionally, in this embodiment, the first body 41 and the second body 42 are both made of PP / EPDM (polypropylene / ethylene propylene diene monomer) material. It is understood that the first body 41115 and the second body 42116 are respectively made of PP / EPDM materials of different hardness and formulation.

[0050] Furthermore, the second body 42 includes an arcuate portion and a first air guide portion 422. The arcuate portion and the first air guide portion 422 are arranged at an angle. The arcuate portion is connected to the first body 41. The end of the first air guide portion 422, which is distal to the arcuate portion, is spaced from the dash outer panel assembly 20 to form a first gap 4221. Specifically, in this embodiment, the angled arrangement of the arcuate portion and the first air guide portion 422 allows them to conform to the vehicle's exterior. During use, airflow is directed along the space formed by the arcuate portion and the first air guide portion 422, thereby achieving a guiding effect on the airflow.

[0051] Furthermore, the two sides of the arcuate portion are respectively a first arcuate surface 4211 and a second arcuate surface 4212. The surface of the arcuate portion closest to the dash outer panel assembly 20 is the second arcuate surface 4212. The first arcuate surface 4211 and the second arcuate surface 4212 are arranged opposite each other, and the arcuate portion is recessed in a direction from the first arcuate surface 4211 to the second arcuate surface 4212. Specifically, in this embodiment, the recessed direction of the arcuate portion matches the shape of the bumper assembly 30 and the dash outer panel assembly 20. In actual use, the second arcuate surface 4212 is located on the outside of the vehicle, that is, the airflow in front of the vehicle is blown onto the second arcuate surface 4212 and directed along the second arcuate surface 4212, thereby improving the airflow diversion effect.

[0052] Furthermore, the curved portion of the first body 41 and the second body 42 are formed by secondary injection molding. Specifically, in this embodiment, the first body 41 and the second body 42 are formed by secondary injection molding. Specifically, the raw material of one of the first body 41 and the second body 42 is placed in a primary mold. After forming in the mold, the formed part is removed and placed in a secondary mold. The raw material of the other of the first body 41 and the second body 42 is then injected, and then cured to form the part.

[0053] Furthermore, if Figure 3As shown, the second curtain 50 includes a third body and a second flow guide part, the third body and the second flow guide part are arranged at an angle, the third body has a second connecting part for connecting the bumper assembly 30, and an end of the second flow guide part away from the third body is arranged apart from the body 10 to form a second gap 51. Specifically, in the embodiment, the second connecting part is a second connecting hole, the bumper assembly 30 is provided with a second threaded hole, and a second bolt is screwed with the second threaded hole after passing through the first connecting hole 411, thereby connecting the second curtain 50 to the bumper assembly 30. The third body and the second flow guide part are arranged at an angle, so that the third body and the second flow guide part can fit the shape of the vehicle. In use, the airflow is guided out along the second flow guide part, achieving the effect of guiding the airflow. The second gap 51 can meet the spacing required by the movement of the vehicle, avoiding the failure of the second flow guide part caused by extrusion.

[0054] Further, as shown in Figure 3 , the low wind resistance cab further includes a third curtain 60 connected to the body 10, the third curtain 60 and the second curtain 50 are arranged apart, and an end of the third curtain 60 away from the body 10 is arranged apart from the bumper assembly 30 to form a third gap 61, and the second gap 51 and the third gap 61 are arranged in a staggered manner. Specifically, in the embodiment, the second curtain 50 is connected to the bumper assembly 30 and arranged apart from the body 10 to form the second gap 51, the third curtain 60 is connected to the body 10 and arranged apart from the bumper assembly 30 to form the third gap 61, the second curtain 50 and the third curtain 60 are arranged apart, and the second gap 51 and the third gap 61 are arranged in a staggered manner. The gap between the body 10 and the bumper assembly 30 is filled as much as possible, effectively improving the flow guiding performance of the gas and reducing the wind resistance of the vehicle.

[0055] Specifically, the low wind resistance cab in the embodiment further includes a low wind resistance rearview mirror 70 and a door 80, the low wind resistance rearview mirror 70 is fixedly installed on the door 80 by bolts. Under the same vehicle type and the same driving conditions, the cab with the low wind resistance rearview mirror 70 installed can reduce the wind resistance by 7-12 count.

[0056] Specifically, in the embodiment, as shown in Figure 4 , the door 80 includes a lower decorative plate 81, and the body 10 is provided with a second step plate 82. In order to further reduce the wind resistance, the height of the lower edge of the lower decorative plate 81 covers at least the second step plate 82, reducing the air disturbance at the second step plate 82 and further reducing the wind resistance.

[0057] Specifically, in the embodiment, the cab comprises two second curtains 50 and two third curtains 60, and the two second curtains 50 are symmetrically arranged along the driving direction of the vehicle, and the two third curtains 60 are symmetrically arranged. Under the same vehicle type and the same driving condition, the vehicle provided with the second curtain 50 can reduce the wind resistance by 2-4 counts; under the same vehicle type and the same driving condition, the cab provided with the third curtain 60 can reduce the wind resistance by 2-3 counts, effectively reducing the overall wind resistance of the cab and the energy consumption of the vehicle.

[0058] The embodiment further provides a vehicle comprising a vehicle body and a low wind resistance cab as described above, and the low wind resistance cab is connected with the vehicle body. The vehicle has good aerodynamic performance, reduces the wind resistance of the vehicle, and effectively reduces the energy consumption of the vehicle.

[0059] Obviously, the above embodiment of the utility model is only for clear illustration of the utility model, and is not a limitation on the implementation mode of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. It is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. Low wind resistance cab, characterized by: The low wind resistance cab comprises: Ontology(10); A front outer panel assembly (20), the front outer panel assembly (20) being connected to the body (10); A bumper assembly (30), the bumper assembly (30) being connected to the body (10), the bumper assembly (30) and the front outer panel assembly (20) having a first spacing, and the bumper assembly (30) and the body (10) having a second spacing; a first barrier curtain (40), the first barrier curtain (40) being connected to the bumper assembly (30), and the first barrier curtain (40) being used to shield the first interval; A second barrier curtain (50) is connected to the bumper assembly (30), and the second barrier curtain (50) is used to shield the second interval.

2. The low wind resistance cab according to claim 1, characterized in that: Along the extension direction of the first interval, the first barrier curtain (40) extends in an arc shape; And / or, along the extension direction of the second interval, the second curtain (50) extends in an arc shape.

3. The low wind resistance cab according to claim 1, characterized in that: The first curtain (40) comprises a first body (41) and a second body (42), wherein the first body (41) and the second body (42) are connected, and the first body (41) has a first connecting portion, and the first connecting portion is used to connect to the bumper assembly (30).

4. The low wind resistance cab according to claim 3, characterized in that: The first connecting portion is a first connecting hole (411), the bumper assembly (30) is provided with a first threaded hole (31), and a first bolt passes through the first connecting hole (411) and is threadedly connected to the first threaded hole (31) to connect the first curtain (40) to the bumper assembly (30).

5. The low wind resistance cab according to claim 3, characterized in that: The second body (42) includes an arc-shaped portion and a first air guide portion (422), the arc-shaped portion and the first air guide portion (422) are arranged at an angle, the arc-shaped portion is connected to the first body (41), and the end of the first air guide portion (422) away from the arc-shaped portion is spaced apart from the front outer panel assembly (20) to form a first gap (4221).

6. The low wind resistance cab according to claim 5, characterized in that: The two sides of the arc portion are respectively a first arc surface (4211) and a second arc surface (4212), the surface of the arc portion close to the front outer panel assembly (20) is the second arc surface (4212), the first arc surface (4211) and the second arc surface (4212) are arranged opposite to each other, and the arc portion is concave in the direction of the first arc surface (4211) pointing to the second arc surface (4212).

7. The low wind resistance cab according to claim 3, characterized in that: The first body (41) and the second body (42) are made by secondary injection molding.

8. The low wind resistance cab according to claim 1, characterized in that: The second curtain (50) comprises a third body and a second air guide portion, the third body and the second air guide portion are arranged at an angle, the third body has a second connecting portion, the second connecting portion is used to connect to the bumper assembly (30), and an end of the second air guide portion away from the third body is spaced apart from the body (10) to form a second gap (51).

9. The low wind resistance cab according to claim 8, characterized in that: The low-drag cab further comprises a third curtain (60), the third curtain (60) being connected to the body (10), the third curtain (60) and the second curtain (50) being spaced apart, and an end of the third curtain (60) away from the body (10) being spaced apart from the bumper assembly (30) to form a third gap (61), and the second gap (51) and the third gap (61) being staggered.

10. A vehicle comprising a vehicle body, characterized in that The vehicle further comprises a low-drag cab as described in any one of claims 1 to 9, wherein the low-drag cab is connected to the vehicle body.

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