Guide device of traction truck

Abstract

The utility model relates to a flow guide device used for a traction truck, the traction truck comprises a truck head and a hanging box, a gas cylinder is arranged between the truck head and the hanging box, the flow guide device comprises a framework, a top flow guide cover, side plates and arc-shaped side skirts, the gas cylinder is contained in the framework, the left side and the right side of the framework are covered by the side plates, and the arc-shaped side skirts are arranged on the top flow guide cover. The top flow guide cover is located on the upper portion of the framework, side plates on the left side and the right side completely cover the side portions of the gas cylinders, and at least one side plate on the left side and the right side is hinged to the framework.

Description

Technical Field

[0001] This utility model relates to a flow guiding device, and more particularly to a flow guiding device for reducing wind resistance in towing trucks. Background Technology

[0002] Tractor trucks typically use deflectors to reduce wind resistance, especially since there is a large gap between the cab and the trailer. Deflectors are installed at this gap to reduce wind resistance. However, existing deflectors have the following problems: (1) Different trucks have different distances between the cab and the trailer, and the width of the trucks is also different. Different deflectors need to be designed to adapt to different trucks, which is too costly. Existing deflectors can only match a portion of models from a single brand and cannot meet the needs of most models on the market with a single template. (2) There are gas cylinders between the cab and the trailer. Existing deflectors cannot completely cover the gas cylinders, which makes it easy for the airflow to form large vortex resistance between the cab and the trailer. Summary of the Invention

[0003] To address the aforementioned problems, this utility model provides a flow guiding device for towing trucks. The towing truck includes a cab and a trailer, with a gas cylinder disposed between the cab and the trailer. The flow guiding device includes a frame, a top flow guide, side plates, and arc-shaped side skirts. The gas cylinder is housed within the frame, and the left and right sides of the frame are covered by the side plates. The top flow guide is located on the upper part of the frame, and the side plates on both the left and right sides completely cover the sides of the gas cylinder. At least one side plate on each of the left and right sides is hinged to the frame.

[0004] Furthermore, the frame includes a rear frame, a front frame, and multiple intermediate frames between the rear frame and the front frame. The rear frame includes a first horizontal bar, a second horizontal bar, a third horizontal bar, two left and right first tee joints, two left and right rear vertical bars, and a rear arched frame. The two left and right rear vertical bars are respectively fixedly connected to the two ends of the first horizontal bar through the two left and right first tee joints. The rear arched frame includes left and right side columns, which are respectively inserted into the left and right side rear vertical bars and can move up and down relative to the left and right side rear vertical bars.

[0005] Furthermore, the left and right ends of the second and third crossbars are respectively provided with adjusting arm support seats. The adjusting arm support seat includes two support plates arranged opposite each other, and an adjusting arm is sandwiched between the two support plates. One end of the adjusting arm can be fixed to different positions of the support plate, and the arc-shaped side skirt is fixedly connected to the other end of the adjusting arm.

[0006] Furthermore, the support plate is provided with a plurality of positioning holes spaced apart in the left and right direction, and one end of the adjusting arm is provided with a corresponding threaded hole. The bolt passes through the set positioning hole and is screwed into the threaded hole on the adjusting arm, thereby fixing the adjusting arm to the adjusting arm support seat.

[0007] Furthermore, the front frame includes a fourth horizontal bar, a fifth horizontal bar, a sixth horizontal bar, two second tees on the left and right, two front vertical bars on the left and right, and a front arched frame. The two front vertical bars on the left and right are respectively fixedly connected to the two ends of the fourth horizontal bar through the two second tees on the left and right. The front arched frame includes columns on the left and right sides, which are respectively inserted into the two front vertical bars on the left and right and can move up and down relative to the two front vertical bars on the left and right.

[0008] Furthermore, the intermediate frame includes a central arched frame and two central vertical bars on the left and right. The central arched frame includes columns on the left and right sides, which are respectively inserted into the two central vertical bars on the left and right sides and can move up and down relative to the two central vertical bars on the left and right sides.

[0009] Furthermore, the frame also includes multiple intermediate connecting rods for connecting the rear frame, the middle frame, and the front frame. The intermediate connecting rods are arranged in the middle of the front vertical rod, the rear vertical rod, the middle vertical rod, and the middle of the arched areas of the front arched frame, the middle arched frame, and the rear arched frame.

[0010] Furthermore, the frame also includes a left bottom connecting rod, the two ends of which are connected to the rear frame and the front frame respectively through a first tee and a second tee on the left side, and the left middle vertical rod is fixedly connected to the middle of the left bottom connecting rod.

[0011] Furthermore, on the right side of the frame, there are multiple right-side bottom connecting rods, which are used to connect the right rear vertical rod, the right middle vertical rod, and the right front vertical rod. No bottom connecting rod is provided between a pair of adjacent right middle vertical rods.

[0012] Furthermore, the first horizontal bar, the second horizontal bar, the third horizontal bar, the rear vertical bar, the rear arched frame, the fourth horizontal bar, the fifth horizontal bar, the sixth horizontal bar, the front vertical bar, the front arched frame, the middle connecting bar, the left bottom connecting bar, and the right bottom connecting bar form multiple hollow structures within the skeleton, and side plates are arranged on the hollow structures located on the left and right sides of the skeleton.

[0013] In this invention, multiple intermediate frames are provided between the front and rear frames as needed, allowing for adjustment of the distance between the front and rear of the frame. The design and manufacture of these intermediate frames can employ a universal design, enabling modular assembly to adapt to different truck requirements. This design is cost-effective and effectively shields the sides of the gas cylinder, reducing wind resistance between the cab and trailer. In the height direction, the arched frame can be raised or lowered relative to the frame as needed. In the width direction, the extension distance of the curved side skirts can be adjusted by setting the specific position of the adjusting arms, thus adapting to different vehicle models. Attached Figure Description

[0014] Figure 1 This is a side view of a tractor truck after a deflector device with a deflector plate has been added.

[0015] Figure 2 This is a side view of a tractor truck without the deflector installed.

[0016] Figure 3 This is a schematic diagram of the structure of one embodiment of the flow guiding device of this utility model;

[0017] Figure 4 yes Figure 3 Enlarged view of region A in the image;

[0018] Figure 5 This is a schematic diagram of the curved skirt connection structure. Figure 1 ;

[0019] Figure 6 This is a schematic diagram of the curved skirt connection structure. Figure 2 ;

[0020] Figure 7 This is a schematic diagram of one embodiment of the flow guiding device of this utility model;

[0021] Figure 8 This is a schematic diagram of the second embodiment of the flow guiding device skeleton of this utility model;

[0022] Figure 9 This is a schematic diagram of the second embodiment of the flow guiding device of this utility model;

[0023] Figure 10a This is a side view of an embodiment of the flow guiding device of this utility model;

[0024] Figure 10b This is a side view of a second embodiment of the flow guiding device of this utility model. Detailed Implementation

[0025] See Figure 1-2 The tractor truck includes a cab 2 and a trailer 3. A gas cylinder 4 and a flow guide device 1 are arranged between the cab 2 and the trailer 3. A flow guide plate is arranged on the side of the flow guide device, and the width of the flow guide plate covers the gas cylinder 4.

[0026] See Figure 3 The flow guiding device 1 includes a frame 5 and a flow guiding plate covering the frame. The flow guiding plate includes a top flow guiding cover 6, a side plate 7, and an arc-shaped side skirt 8.

[0027] The frame 5 includes a rear frame 51, which includes a first horizontal bar 511, a second horizontal bar 512, a third horizontal bar 513, two left and right first tees 514, two left and right rear vertical bars 515, and a rear arched frame 516. The two left and right rear vertical bars 515 are respectively fixedly connected to the two ends of the first horizontal bar 511 through the two left and right first tees 514. The rear arched frame 516 includes left and right side columns 5161, which are respectively inserted into the left and right side rear vertical bars 515 and can move up and down relative to the left and right side rear vertical bars 515, thereby adjusting the height of the rear arched frame 516 relative to the rear vertical bars 515.

[0028] Adjustable arm support seats 517 are respectively provided at the left and right ends of the second crossbar 512 and the third crossbar 513. Each adjustable arm support seat 517 includes two support plates 5171 arranged vertically opposite each other. Multiple positioning holes 5172 are spaced apart along the left-right direction on each support plate 5171. An adjustable arm 518 is sandwiched between the two support plates 5171. One end of the adjustable arm 518 has a threaded hole. A bolt (not shown) passes through the designated positioning hole 5172 and screws into the threaded hole on the adjustable arm 518, thereby fixing the adjustable arm 518 to the adjustable arm support seat 517. The adjustable arm 518 can correspond to different positioning holes 5172, thus changing the position of the adjustable arm 518 relative to the second crossbar 512. The other end of the adjustable arm 518 is fixedly connected to the arc-shaped side skirt 8. By changing the position of the adjustable arm 518, the position and angle of the arc-shaped side skirt 8 extending out of the frame 5 are changed, allowing the arc-shaped side skirt 8 to adapt to different vehicle widths. Figure 5 and Figure 6 The diagram shows the different positions of the arc-shaped side skirt 8 when the adjusting arm 518 corresponds to different positioning holes 5172. It can be seen that... Figure 6 The curved side skirt 8 in the middle is relative to Figure 5 It extends outwards to accommodate wider towing trucks.

[0029] The frame 5 includes a front frame 52, which includes a fourth horizontal bar 521, a fifth horizontal bar 522, a sixth horizontal bar 523, two left and right second tees 524, two left and right front vertical bars 525, and a front arched frame 526. The two left and right front vertical bars 525 are fixedly connected to the two ends of the fourth horizontal bar 521 through the two left and right second tees 524. The front arched frame 526 includes left and right side columns 5261, which are inserted into the left and right side front vertical bars 525 and can move up and down relative to the left and right side front vertical bars 525, thereby adjusting the height of the front arched frame relative to the front vertical bars 525.

[0030] Between the rear frame 51 and the front frame 52, a plurality of intermediate frames 53 are also provided. The intermediate frame 53 includes a central arched frame 536 and two central vertical rods 535 on the left and right. The central arched frame 536 includes left and right side columns 5361. The left and right side columns 5361 are respectively inserted into the left and right side columns 535 and can move up and down relative to the left and right side columns 535, thereby adjusting the height of the central arched frame relative to the central vertical rods 535.

[0031] The frame 5 also includes multiple intermediate connecting rods 54 for connecting the rear frame, the middle frame and the front frame. The intermediate connecting rods 54 are arranged in the middle of the front vertical rod 525, the rear vertical rod 515 and the middle vertical rod 535, as well as in the middle of the arched areas of the front arched frame, the middle arched frame and the rear arched frame.

[0032] The frame 5 also includes a left bottom connecting rod 55. The two ends of the left bottom connecting rod 55 are connected to the rear frame 51 and the front frame 52 respectively through the left first tee and the left second tee. A plurality of left middle vertical rods 535 are fixedly connected to the middle part of the left bottom connecting rod 55.

[0033] On the right side of the frame 5, there are multiple right bottom connecting rods 56. The right bottom connecting rods 56 are used to connect the right rear vertical rod, the right middle vertical rod, and the right front vertical rod. No bottom connecting rods 56 are provided between a pair of adjacent right middle vertical rods.

[0034] The aforementioned first horizontal bar 511, second horizontal bar 512, third horizontal bar 513, rear vertical bar 515, rear arched frame 516, fourth horizontal bar 521, fifth horizontal bar 522, sixth horizontal bar 523, front vertical bar 525, front arched frame 526, middle connecting bar 54, left bottom connecting bar 55, and right bottom connecting bar 56 form multiple hollow structures within the frame 5. Side plates 7 are arranged on the hollow structures located on the left and right sides of the frame, and a top guide shroud 6 is provided on the upper part of the frame.

[0035] At least one side panel 7 located on the right side of the frame is pivotally connected to a right-side central vertical bar, thereby allowing the side panel to be opened for maintenance operations on the gas cylinders enclosed by the frame.

[0036] See Figure 7 The above-mentioned frame is a schematic diagram of the airflow guiding device formed by covering the side plate 7 and the top airflow guide 6. The top airflow guide 6 adopts a streamlined design, which helps to reduce wind resistance.

[0037] In the height direction, the arched frame can be raised or lowered relative to the skeleton as needed. In the width direction, the distance of the arc-shaped side skirt can be adjusted by setting the specific position of the adjusting arm, thereby adapting to the needs of different vehicle models.

[0038] See Figure 8-9 In another embodiment of this utility model, three intermediate frames 53 are arranged between the front frame 52 and the rear frame 51, thereby increasing the distance of the skeleton in the front-to-back direction. Multiple intermediate frames 53 are provided between the front frame and the rear frame as needed.

[0039] See Figure 10a and 10b In this utility model, the intermediate connecting rod 54 has two specifications, with lengths of 400mm and 700mm respectively. Thus, the distance between adjacent frames D1 is 700mm or D2 is 400mm, and the frame height H is 900mm. By adding an intermediate frame to lengthen the frame, a distance of 400mm is used, which can adapt to various current vehicle models, so that the position of the gas cylinder is between two adjacent frames, making it convenient to open the side panel to maintain the gas cylinder.

[0040] The flow guiding device of this utility model does not use a one-piece molded plate, but adopts a small piece splicing design, which is convenient for matching different hanging distances / vehicle head heights; reduces mold costs; and adapts to the positions of gas cylinders and air inlets of various vehicle models, making it easy to adjust and arrange.

[0041] It should be understood that the terms "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A flow guiding device for towing a truck, the towing truck including a cab (2), a trailer (3), and a gas cylinder (4) disposed between the cab (2) and the trailer (3), the flow guiding device including a frame (5), a top flow guide (6), side plates (7), and arc-shaped side skirts (8), the gas cylinder (4) being housed within the frame (5), the left and right sides of the frame (5) being covered by the side plates (7), and the top flow guide (6) being located on the upper part of the frame (5), characterized in that, The side plates (7) on the left and right sides completely cover the sides of the gas cylinder (4), and at least one side plate (7) on the left and right sides is hinged to the frame (5).

2. The flow guiding device according to claim 1, characterized in that, The frame (5) includes a rear frame (51), a front frame (52), and multiple intermediate frames (53) between the rear frame (51) and the front frame (52). The rear frame (51) includes a first horizontal bar (511), a second horizontal bar (512), a third horizontal bar (513), two left and right first tees (514), two left and right rear vertical bars (515), and a rear arched frame (516). The two left and right rear vertical bars (515) are respectively fixedly connected to the two ends of the first horizontal bar (511) through the two left and right first tees (514). The rear arched frame (516) includes left and right columns (5161). The left and right columns (5161) are respectively inserted into the left and right rear vertical bars (515) and can move up and down relative to the left and right rear vertical bars (515).

3. The flow guiding device according to claim 2, characterized in that, The second crossbar (512) and the third crossbar (513) are respectively provided with adjusting arm support seats (517) at their left and right ends. The adjusting arm support seat (517) includes two support plates (5171) arranged vertically opposite each other. An adjusting arm (518) is sandwiched between the two support plates (5171). One end of the adjusting arm (518) can be fixed to different positions of the support plate (5171). The arc-shaped side skirt (8) is fixedly connected to the other end of the adjusting arm (518).

4. The flow guiding device according to claim 3, characterized in that, The support plate (5171) is provided with a plurality of positioning holes (5172) spaced apart in the left and right direction. One end of the adjusting arm (518) is provided with a corresponding threaded hole. The bolt passes through the positioning hole (5172) and is screwed into the threaded hole on the adjusting arm (518), thereby fixing the adjusting arm (518) to the adjusting arm support base (517).

5. The flow guiding device according to claim 2, characterized in that, The front frame (52) includes a fourth horizontal bar (521), a fifth horizontal bar (522), a sixth horizontal bar (523), two second tees (524) on the left and right, two front vertical bars (525) on the left and right, and a front arched frame (526). The two front vertical bars (525) are fixedly connected to the two ends of the fourth horizontal bar (521) through the two second tees (524) on the left and right. The front arched frame (526) includes columns (5261) on the left and right sides. The columns (5261) on the left and right sides are inserted into the two front vertical bars (525) on the left and right sides, and can move up and down relative to the two front vertical bars (525).

6. The flow guiding device according to claim 5, characterized in that, The intermediate frame (53) includes an intermediate arched frame (536) and two intermediate vertical bars (535) on the left and right. The intermediate arched frame (536) includes columns (5361) on the left and right sides. The columns (5361) on the left and right sides are respectively inserted into the two intermediate vertical bars (535) on the left and right sides and can move up and down relative to the two intermediate vertical bars (535).

7. The flow guiding device according to claim 6, characterized in that, The frame (5) also includes multiple intermediate connecting rods (54) for connecting the rear frame (51), the intermediate frame (53) and the front frame (52). The intermediate connecting rods (54) are arranged in the middle of the front vertical rod (525), the rear vertical rod (515), the intermediate vertical rod (535), and the middle of the arched area of ​​the front arched frame (526), ​​the intermediate arched frame (536) and the rear arched frame (516).

8. The flow guiding device according to claim 7, characterized in that, The frame (5) also includes a left bottom connecting rod (55), the two ends of which are connected to the rear frame (51) and the front frame (52) respectively through the left first tee and the left second tee, and the left middle vertical rod (535) is fixedly connected to the middle of the left bottom connecting rod (55).

9. The flow guiding device according to claim 8, characterized in that, On the right side of the frame (5), there are multiple right bottom connecting rods (56), which are used to connect the right rear vertical rod, the right middle vertical rod, and the right front vertical rod. No bottom connecting rod (56) is provided between a pair of adjacent right middle vertical rods.

10. The flow guiding device according to claim 9, characterized in that, The first horizontal bar (511), the second horizontal bar (512), the third horizontal bar (513), the rear vertical bar (515), the rear arched frame (516), the fourth horizontal bar (521), the fifth horizontal bar (522), the sixth horizontal bar (523), the front vertical bar (525), the front arched frame (526), ​​the middle connecting bar (54), the left bottom connecting bar (55), and the right bottom connecting bar (56) form multiple hollow structures in the skeleton (5), and side plates (7) are arranged on the hollow structures located on the left and right sides of the skeleton.

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