阅读说明：本技术 一种用于卡车的导流结构 (A water conservancy diversion structure for truck ) 是由 李昆霖 周少 覃政 区锦文 黄佳华 文建东 黄初敏 潘立铭 潘涛 于 2021-04-12 设计创作，主要内容包括：本发明涉及卡车导流装置技术领域,公开了一种用于卡车的导流结构,其包括导流罩和连接组件,导流罩具有两个侧板,两个侧板的顶部之间连接有流线型导流板,将驾驶室的宽度方向定义为第一参考方向；连接组件的一端与驾驶室的后侧壁转动相连,连接组件的另一端分别与两个侧板转动相连,导流罩具有绕第一参考方向转动的自由度,连接组件能够驱动导流罩绕第一参考方向转动至驾驶室的顶部或后部。采用本发明技术方案的用于卡车的导流结构,在卡车载货时,可根据卡车货物高度调节导流罩的高度,在卡车空载或货物高度很低时,可折叠导流罩至驾驶室的后部,最大程度的降低整车迎风面积,减小风阻,降低卡车油耗,特别在高速行驶时,节能减排效果更显著。(The invention relates to the technical field of truck flow guide devices, and discloses a flow guide structure for a truck, which comprises a flow guide cover and a connecting assembly, wherein the flow guide cover is provided with two side plates, a streamline flow guide plate is connected between the tops of the two side plates, and the width direction of a cab is defined as a first reference direction; one end of the connecting assembly is rotationally connected with the rear side wall of the cab, the other end of the connecting assembly is rotationally connected with the two side plates respectively, the air guide sleeve has a degree of freedom rotating around the first reference direction, and the connecting assembly can drive the air guide sleeve to rotate around the first reference direction to the top or the rear portion of the cab. By adopting the flow guide structure for the truck, when the truck carries cargo, the height of the flow guide cover can be adjusted according to the cargo height of the truck, and when the truck is in no-load or the cargo height is very low, the flow guide cover can be folded to the rear part of the cab, so that the windward area of the whole truck is reduced to the maximum extent, the wind resistance is reduced, the oil consumption of the truck is reduced, and particularly, the energy-saving and emission-reducing effects are more remarkable when the truck runs at a high speed.)

1. A flow directing structure for a truck, comprising:

the air guide sleeve is used for being connected to a cab and is provided with two side plates parallel to the left side and the right side of the cab, a streamline guide plate is connected between the tops of the two side plates, and the width direction of the cab is defined as a first reference direction;

coupling assembling, its symmetry sets up in the left and right both sides of driver's cabin, coupling assembling's one end rotates with the rear wall of driver's cabin and links to each other, coupling assembling's the other end respectively with two the curb plate rotates and links to each other, the kuppe has around first reference direction pivoted degree of freedom, coupling assembling can drive the kuppe winds first reference direction rotates top or rear portion to the driver's cabin.

2. The airflow directing structure for a truck according to claim 1, wherein the connection assembly includes a connection member and a telescoping assembly, a first end of the connection member is pivotally connected to a rear side wall of the cab, the first end of the connection member has a degree of freedom to pivot about the first reference direction, a second end of the connection member is pivotally connected to the side panel, the second end of the connection member has a degree of freedom to pivot about the first reference direction, the telescoping assembly is capable of driving the pod to pivot about the first reference direction to a top or a rear of the cab, a direction of travel of the truck is defined as a front side in a direction of travel of the truck, and a connection of the connection member to the side panel is located on a front side of a connection of the telescoping assembly to the side panel.

3. The airflow directing structure for a truck of claim 2 wherein said telescoping assembly includes a first telescoping assembly and a second telescoping assembly, a first end of said first telescoping assembly pivotally connected to a rear sidewall of said cab, said first telescoping assembly having a degree of freedom to pivot about said first reference direction, a second end of said first telescoping assembly pivotally connected to said side panel, said first telescoping assembly having a degree of freedom to pivot about said first reference direction; first flexible subassembly can drive the kuppe winds first reference direction rotates top or rear portion to the driver's cabin, the first end of the flexible subassembly of second rotates with the rear side wall of driver's cabin and links to each other, the first end of the flexible subassembly of second has winds first reference direction pivoted degree of freedom, the flexible subassembly of second end with the curb plate rotates and links to each other, the second end of the flexible subassembly of second has winds first reference direction pivoted degree of freedom, the junction of first flexible subassembly and driver's cabin is located the top of the flexible subassembly of second and the junction of driver's cabin.

4. The structure of claim 2, wherein the connecting member includes a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are perpendicular, the first connecting portion is parallel to and extends upward from the rear wall of the cab, the second connecting portion is perpendicular to the first reference direction and is parallel to the top of the cab, the side plate is provided with an installation shaft extending in the first reference direction, and an end of the second connecting portion, which is away from the first connecting portion, is sleeved on the installation shaft and can rotate around the installation shaft.

5. The flow guide structure for the truck according to claim 3, further comprising a connecting rod disposed between the two side plates along the first reference direction and having two ends connected to the two side plates, respectively, wherein the second ends of the first and second telescopic assemblies are both sleeved on the connecting rod.

6. The flow guide structure for the truck according to claim 5, wherein the second telescopic assembly includes a positioning rod, a sliding rod and a driving assembly, the sliding rod is coaxially disposed with the positioning rod, the positioning rod is hinged to a rear wall of the cab, the sliding rod is provided with a sleeve portion, the sleeve portion is sleeved on the connecting rod, the driving assembly is disposed between the positioning rod and the sliding rod, and the driving assembly can drive the sliding rod to reciprocate along an axial direction of the positioning rod.

7. The airflow directing structure for a truck of claim 6 wherein said second retraction assembly further includes a bumper spring disposed between said drive assembly and said slide bar.

8. The structure of claim 6, wherein a mounting cavity is formed in the positioning rod, the driving assembly comprises a motor, a lead screw, a nut and a limiting seat, the motor is disposed in the mounting cavity, the motor is rotatably connected to the lead screw, the nut is screwed to the lead screw, the limiting seat is connected to the nut, one end of the buffer spring abuts against the limiting seat, and the other end of the buffer spring abuts against the sliding rod.

9. The airflow directing structure for a truck according to claim 8, wherein said drive assembly further comprises a speed reducer, an output end of said motor is connected to said speed reducer, and an output end of said speed reducer is connected to said screw.

10. The air guide structure for the truck according to claim 2, wherein the front side of the air guide cover is provided with a rubber soft curtain extending toward the top surface of the cab.

Technical Field

The invention relates to the technical field of truck flow guide devices, in particular to a flow guide structure for a truck.

Background

At present, the existing flow guide structure for the truck comprises a fixed type flow guide cover and a non-fixed type flow guide cover, wherein the fixed type flow guide cover is arranged on the top and the side surface of a cab through bolts and a bracket, and has no adjusting function, and the windward area of the whole truck is constant; the non-stationary air guide sleeve generally adopts two modes:

(1) manual adjustment, namely, a driver is required to climb up a cab and adjust the height of the air guide sleeve by dismounting and mounting bolts;

(2) the power mechanism is used for adjusting, the adjusting mechanism is arranged between the air guide sleeve and the top of the cab, and the height of the air guide sleeve is adjusted by driving of an electric push rod, a motor and the like. The front end of the air guide sleeve is connected with the top of the cab through a rotating hinge point, the rear part of the air guide sleeve is connected with the adjusting mechanism, the height of the rear part of the air guide sleeve is adjusted through the height change of the adjusting mechanism, and the adjusting range is small.

At present, the technology of the non-fixed air guide sleeve is gradually mature, more and more vehicles have application cases, but the prior art has the following defects:

1. the adjusting mechanism occupies the space in the height direction, the adjusting range of the air guide sleeve is limited by the space between the top of the cab and the air guide sleeve, and particularly the height of the lowest position is limited;

2. the kuppe is still at the driver's cabin top during extreme low state, and the body structure height of kuppe can increase the area of facing the wind, compares the motorcycle type that does not have the kuppe during empty wagon state, and the kuppe body has increased the vehicle windage on the contrary at the driver's cabin top, and the windage under unable all operating modes of realizing is minimum.

Therefore, a diversion structure with low wind resistance suitable for the use of a truck is urgently needed.

Disclosure of Invention

The purpose of the invention is: provided is a deflector structure for a truck, which can perform a folding, height adjusting function. When the truck carries cargo, the height of the air guide sleeve can be adjusted according to the cargo height of the truck, when the truck is in no-load or the cargo height is very low, the air guide sleeve can be folded to the rear part of the cab, the frontal windward area of the whole truck is reduced to the maximum extent, the wind resistance is reduced, the oil consumption of the truck is reduced, and particularly, when the truck runs at a high speed, the energy-saving and emission-reducing effects are more remarkable.

In order to achieve the above object, the present invention provides a flow guiding structure for a truck, the flow guiding structure comprising a flow guiding cover and a connecting assembly, the flow guiding cover is used for connecting to a cab, the flow guiding cover has two side plates parallel to the left and right sides of the cab, a streamline flow guiding plate is connected between the tops of the two side plates, and the width direction of the cab is defined as a first reference direction; coupling assembling symmetry sets up in the left and right both sides of driver's cabin, coupling assembling's one end rotates with the rear wall of driver's cabin and links to each other, coupling assembling's the other end respectively with two the curb plate rotates and links to each other, the kuppe has around first reference direction pivoted degree of freedom, coupling assembling can drive the kuppe winds first reference direction rotates top or rear portion to the driver's cabin.

In some embodiments of the application, coupling assembling includes connecting piece and telescopic component, the first end of connecting piece rotates with the rear side wall of driver's cabin and links to each other, the first end of connecting piece has around the first reference direction pivoted degree of freedom, the second end of connecting piece with the curb plate rotates and links to each other, the second end of connecting piece has around the first reference direction pivoted degree of freedom, telescopic component can drive the kuppe winds first reference direction rotates to the top or the rear portion of driver's cabin, along the direction of travel of truck, defines the direction of travel of truck as the front side, the connecting piece with the junction of curb plate is located telescopic component with the front side of the junction of curb plate.

In some embodiments of the present application, the telescoping assembly comprises a first telescoping assembly and a second telescoping assembly, a first end of the first telescoping assembly is rotatably coupled to the rear sidewall of the cab, the first end of the first telescoping assembly has a degree of freedom to rotate about the first reference direction, a second end of the first telescoping assembly is rotatably coupled to the side panel, the second end of the first telescoping assembly has a degree of freedom to rotate about the first reference direction; first flexible subassembly can drive the kuppe winds first reference direction rotates top or rear portion to the driver's cabin, the first end of the flexible subassembly of second rotates with the rear side wall of driver's cabin and links to each other, the first end of the flexible subassembly of second has winds first reference direction pivoted degree of freedom, the flexible subassembly of second end with the curb plate rotates and links to each other, the second end of the flexible subassembly of second has winds first reference direction pivoted degree of freedom, the junction of first flexible subassembly and driver's cabin is located the top of the flexible subassembly of second and the junction of driver's cabin.

In some embodiments of this application, the connecting piece includes first connecting portion and second connecting portion, first connecting portion with the second connecting portion is perpendicular, first connecting portion with the parallel and upwards extension setting of back wall of driver's cabin, second connecting portion perpendicular to first reference direction and with the top parallel arrangement of driver's cabin, be equipped with the edge on the curb plate the installation axle that first reference direction extended the setting, the second connecting portion are kept away from a pot head of first connecting portion is established install epaxial, and can wind installation axle rotates.

In some embodiments of this application, the water conservancy diversion structure still includes to follow first reference direction sets up two between the curb plate and both ends respectively with the connecting rod that two curb plates link to each other, first flexible subassembly with the second end of second flexible subassembly is all established on the connecting rod.

In some embodiments of this application, the flexible subassembly of second includes locating lever, slide bar and drive assembly, the slide bar with the coaxial setting of locating lever, the locating lever articulates on the back wall of driver's cabin, be equipped with the portion of cup jointing on the slide bar, the portion's cover of cup jointing is established on the connecting rod, drive assembly sets up the locating lever with between the slide bar, drive assembly can drive the slide bar is followed the axis direction reciprocating motion of locating lever.

In some embodiments of the present application, the second retraction assembly further comprises a buffer spring disposed between the drive assembly and the slide bar.

In some embodiments of this application, be equipped with the installation cavity in the locating lever, drive assembly is including setting up motor, lead screw, nut and spacing seat in the installation cavity, the motor with the lead screw rotates and links to each other, the nut with the lead screw spiro union, spacing seat with the nut links to each other, buffer spring's one end with spacing seat butt, buffer spring's the other end with the slide bar butt.

In some embodiments of the present application, the driving assembly further includes a speed reducer, an output end of the motor is connected to the speed reducer, and an output end of the speed reducer is connected to the screw rod.

In some embodiments of the present application, the front side of the air guide sleeve is provided with a rubber soft curtain extending towards the top surface of the cab.

Compared with the prior art, the flow guide structure for the truck has the beneficial effects that:

according to the flow guide structure for the truck, when the truck is in no-load or the cargo height is very low, the connecting assembly can enable the flow guide cover to rotate to the rear side of the cab around the first reference direction, and the connecting position of the connecting assembly and the cab is located on the rear side of the cab, so that the flow guide cover can completely rotate to the rear side of the cab, the frontal windward area of the whole truck can be reduced to the greatest extent, and the wind resistance is reduced; when the truck carries cargo, the height of the air guide sleeve can be adjusted by the connecting assembly according to the cargo height of the truck, so that the minimum wind resistance under all working conditions is realized, and the best energy-saving effect is achieved.

Drawings

FIG. 1 is a schematic structural view of a flow directing structure for a truck according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the pod configuration under full load in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of the pod in an unloaded state according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an embodiment of the pod of the present invention in an unloaded state;

FIG. 6 is a schematic structural diagram of a second retraction assembly according to an embodiment of the present invention;

in the figure, 100, a second telescopic assembly, 110, a second telescopic assembly mounting support, 120, a positioning rod, 121, a first sleeving hole, 130, a sliding rod, 131, a second sleeving hole, 140, a driving assembly, 141, an encoder, 142, a motor, 143, a speed reducer, 144, a nut, 145, a screw rod, 146, a limiting seat, 150, a buffer spring, 200, a first telescopic assembly, 210, a first telescopic assembly mounting support, 300, a connecting piece, 310, a connecting piece support, 320, a first connecting part, 330, a second connecting part, 400, a connecting rod, 500, a flow guide cover, 510, a side plate, 520, a flow guide plate, 530, a rubber soft curtain, 600 and a cab.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The invention will be further explained and explained with reference to the drawings and the embodiments in the description. The step numbers in the embodiments of the present invention are set for convenience of illustration only, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art.

As shown in fig. 1 to 6, a guide structure for a truck according to a preferred embodiment of the present invention includes a guide cowl 500 and a connection assembly, the guide cowl 500 is configured to be connected to a cab 600, the guide cowl 500 has two side panels 510 parallel to left and right sides of the cab 600, and a streamlined guide plate 520 is connected between tops of the two side panels 510, as shown in fig. 1, a width direction of the cab 600 is defined as a first reference direction; one end of the connecting assembly is rotatably connected with the rear side wall of the cab 600, the other end of the connecting assembly is rotatably connected with the two side plates 510, the pod 500 has a degree of freedom to rotate around the first reference direction, and the connecting assembly can drive the pod 500 to rotate around the first reference direction to the top or the rear of the cab 600.

Based on the technical scheme, when the truck is in no-load or the cargo height is very low, the connecting assembly can enable the air guide sleeve 500 to rotate to the rear side of the cab 600 around the first reference direction, and as the connecting position of the connecting assembly and the cab 600 is located at the rear side of the cab 600, the air guide sleeve 500 can completely rotate to the rear side of the cab 600, the frontal windward area of the whole truck can be reduced to the maximum extent, and the wind resistance is reduced; when the truck carries cargo, the height of the air guide sleeve 500 can be adjusted by the connecting assembly according to the cargo height of the truck, so that the minimum wind resistance under all working conditions is realized, and the best energy-saving effect is achieved.

In some embodiments of the present application, the connection assembly includes a connection member 300 and a telescopic assembly, a first end of the connection member 300 is rotatably connected to a rear sidewall of the cab 600, the first end of the connection member 300 has a degree of freedom to rotate about a first reference direction, a second end of the connection member 300 is rotatably connected to the side panel 510, the second end of the connection member 300 has a degree of freedom to rotate about the first reference direction, the telescopic assembly is capable of driving the pod 500 to rotate about the first reference direction to the top or rear of the cab 600, a traveling direction of the truck is defined as a front side in the traveling direction of the truck, and a connection point of the connection member 300 and the side panel 510 is located at a front side of a connection point of the telescopic assembly and the side panel 510. Because the connecting piece 300 sets up the front side at the subassembly that stretches out and draws back to can make kuppe 500 at rotatory in-process, connecting piece 300 and the subassembly that stretches out and draws back can not take place to interfere, and can just can avoid the rear side at driver's cabin 600 at the distance that reduces kuppe 500's rotation, thereby be convenient for reduce the windage.

In some embodiments of the present application, the telescopic assembly includes a first telescopic assembly 200 and a second telescopic assembly 100, a first end of the first telescopic assembly 200 is rotatably connected to the rear sidewall of the cab 600, the first end of the first telescopic assembly 200 has a degree of freedom to rotate around a first reference direction, a second end of the first telescopic assembly 200 is rotatably connected to the side plate 510, and the second end of the first telescopic assembly 200 has a degree of freedom to rotate around the first reference direction; the first telescopic assembly 200 can drive the air guide sleeve 500 to rotate to the top or the rear part of the cab 600 around the first reference direction, the first end of the second telescopic assembly 100 is connected with the rear side wall of the cab 600 in a rotating mode, the first end of the second telescopic assembly 100 has the degree of freedom around the first reference direction in a rotating mode, the second end of the second telescopic assembly 100 is connected with the side plate 510 in a rotating mode, the second end of the second telescopic assembly 100 has the degree of freedom around the first reference direction in a rotating mode, and the connecting position of the first telescopic assembly 200 and the cab 600 is located above the connecting position of the second telescopic assembly 100 and the cab 600. By adjusting the contraction limit length of the second telescopic assembly 100, the height of the air guide sleeve 500 at the top of the cab can be adjusted, and meanwhile, the second telescopic assembly 100 enables the air guide sleeve 500 to move stably when rotating.

In some embodiments of the present application, the connection member 300 includes a first connection portion 320 and a second connection portion 330, the first connection portion 320 and the second connection portion 330 are perpendicular, the first connection portion 320 is parallel to a rear wall of the cab 600 and extends upward, the second connection portion 330 is perpendicular to the first reference direction and parallel to a top of the cab 600, an installation shaft extending along the first reference direction is disposed on the side plate 510, and a end of the second connection portion 330 away from the first connection portion 320 is sleeved on the installation shaft and can rotate around the installation shaft. Through the connecting piece 300 that sets up the L type to make when kuppe 500 rotates to the top of driver's cabin 600, can with the better laminating in top of driver's cabin 600, can make kuppe 500 rotate to the rear side of driver's cabin 600 simultaneously when, kuppe 500 can avoid the rear side at driver's cabin 600 completely, reduce the windage.

In some embodiments of the present application, the flow guiding structure further includes a connecting rod 400 disposed between the two side plates 510 along a first reference direction, and two ends of the connecting rod 400 are respectively connected to the two side plates 510, and the second ends of the first telescopic assembly 200 and the second telescopic assembly 100 are both sleeved on the connecting rod 400. By providing the connection rod 400, when the position of the pod 500 is adjusted, the side plates 510 of the left and right sides of the pod 500 move synchronously.

In some embodiments of the present application, the second telescopic assembly 100 includes a positioning rod 120, a sliding rod 130 and a driving assembly 140, the sliding rod 130 and the positioning rod 120 are coaxially disposed, the positioning rod 120 is hinged on the rear wall of the cab 600, a sleeve portion is disposed on the sliding rod 130, the sleeve portion is sleeved on the connecting rod 400, the driving assembly 140 is disposed between the positioning rod 120 and the sliding rod 130, and the driving assembly 140 can drive the sliding rod 130 to reciprocate along the axis direction of the positioning rod 120. By providing the driving assembly 140, the relative position between the sliding rod 130 and the positioning rod 120 can be adjusted, thereby facilitating the adjustment of the position of the pod 500.

In some embodiments of the present application, one end of the positioning rod 120 is provided with a first engaging hole 121, the first engaging hole 121 is rotatably connected to the second telescopic assembly mounting bracket 110 located at the rear side of the cab 600, the sliding rod 130 is provided with a second engaging hole 131, and the second engaging hole 131 is sleeved on the connecting rod 400. One end of the first telescopic assembly 200 is hinged to a first telescopic assembly mounting bracket 210 provided at the rear side of the cab 600. One end of the connecting piece 300 is hinged to a connecting piece support 310 arranged on the rear side of the cab 600, the connecting piece support 310, the flexible component mounting support and the second flexible component mounting support 110 are sequentially arranged from top to bottom, and installation and rotation of parts are facilitated by the arrangement of the hinged supports.

In some embodiments of the present application, second retraction assembly 100 further comprises a buffer spring 150, buffer spring 150 being disposed between drive assembly 140 and slide bar 130. A buffer spring 150 is disposed between the stopper seat 146 and the sliding rod 130, and is used for buffering the impact of the sliding rod 130 during the contraction process and the vibration of the air guide sleeve 500 during the driving process of the truck.

In some embodiments of the present application, an installation cavity is provided in the positioning rod 120, the driving assembly 140 includes a motor 142 disposed in the installation cavity, a lead screw 145, a nut 144 and a limiting seat 146, the motor 142 is rotatably connected to the lead screw 145, the nut 144 is screwed to the lead screw 145, the limiting seat 146 is connected to the nut 144, the adjustment of the relative position between the lead screw 145 and the nut 144 can be realized by forward and reverse rotation of the motor 142, thereby realizing the position adjustment of the limiting seat 146, thereby realizing the adjustment of the limit position of the contraction state of the sliding rod 130, thereby realizing the adjustment of the contraction limit length of the second telescopic assembly 100, by adjusting the length of the second telescopic assembly 100, realizing that the height state of the pod 500 at the top of the cab can be adjusted, thereby adjusting the windward area of the pod 500, and reducing the windage resistance. One end of the buffer spring 150 abuts against the stopper 146, and the other end of the buffer spring 150 abuts against the slide bar 130. A buffer spring 150 is disposed between the stopper seat 146 and the sliding rod 130, and is used for buffering the impact of the sliding rod 130 during the contraction process and the vibration of the air guide sleeve 500 during the driving process of the truck.

In some embodiments of the present application, the driving assembly 140 may be any one of a manual adjusting screw, a manual bolt, or a manual assembling bolt, so as to achieve the function of the extension limit being a fixed value and the contraction limit length being a variable value.

In some embodiments of the present application, the motor 142 is a motor 142 with an encoder 141. The motor 142 is provided with an absolute value encoder 141, and can realize the synchronous operation of the control of any position and the multiple motors 142.

In some embodiments of the present application, the driving assembly 140 further includes a speed reducer 143, an output end of the motor 142 is connected to the speed reducer 143, and an output end of the speed reducer 143 is connected to the screw 145.

In some embodiments of the present application, the front side of the pod 500 is provided with a rubber soft curtain 530 extending toward the top surface of the cab 600. The soft rubber curtain 530 is arranged at the front lower part of the air guide sleeve 500 and used for sealing between the air guide sleeve 500 and a vehicle body, so that a gap is prevented from being formed between the front lower part of the air guide sleeve 500 and the cab 600 when the height of the air guide sleeve 500 is adjusted, the cab 600 is of a metal structure and is used for fixing an air guide structure, and if a gap is formed between the cab 600 and the air guide sleeve 500, squealing is generated when a truck runs at a high speed, and the squealing can be avoided by arranging the soft rubber curtain 530.

In some embodiments of the present application, the nut 144, the lead screw 145, and the cylinder all have a self-locking function.

In some embodiments of the present application, the first telescoping assembly 200 may be a manually powered drawstring mechanism, with manual effort being used to fold and extend the pod 500.

In some embodiments of the present application, the first telescoping assembly 200 can be any one of a linear motion element such as an electric push rod, an air cylinder, or a hydraulic cylinder.

The working process of the invention is as follows: the pod 500 has two states of folding and unfolding, wherein in the folded state, the first telescopic assembly 200 is in the extended state, and the pod 500 rotates to the rear of the cab 600; in the extended state, the first telescoping assembly 200 is in the retracted state, and the pod 500 is flipped over to the normal operating position at the top of the cab 600. Further, in a folded state, the slide rod 130 extends to a limit state under the action of gravity, so that the folded position of the air guide sleeve 500 is closer to the rear side of the cab 600, meanwhile, the limit seat 146 is separated from the slide rod 130, and at the moment, the motor 142 can rotate forward and backward under the condition of no external load to adjust the position of the limit seat 146, so that the adjustment of the contraction limit position of the slide rod 130 is realized. The adjustment of the angle of the pod 500 may be performed only in the folded state.

To sum up, the embodiment of the present invention provides a diversion structure for a truck, which, when the truck is empty or the cargo height is very low, a connection assembly may rotate a diversion cover 500 around a first reference direction to the rear side of a cab 600, and since a connection position of the connection assembly and the cab 600 is located at the rear side of the cab 600, the diversion cover 500 may completely rotate to the rear side of the cab 600, so that the frontal windward area of the whole truck may be reduced to the greatest extent, and the wind resistance may be reduced; when the truck carries cargo, the height of the air guide sleeve 500 can be adjusted by the connecting assembly according to the cargo height of the truck, so that the minimum wind resistance under all working conditions is realized, and the best energy-saving effect is achieved.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", "X-axis direction", "Y-axis direction", "Z-axis direction", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Moreover, some of the above terms may be used to indicate other meanings besides orientation or position, for example, the term "on" may also be used to indicate some kind of dependency or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.