CN219192373U - Tail-diversion foldable full-closed trailer - Google Patents

Tail-diversion foldable full-closed trailer Download PDF

Info

Publication number
CN219192373U
CN219192373U CN202320172639.2U CN202320172639U CN219192373U CN 219192373 U CN219192373 U CN 219192373U CN 202320172639 U CN202320172639 U CN 202320172639U CN 219192373 U CN219192373 U CN 219192373U
Authority
CN
China
Prior art keywords
guide plate
carriage
tail
plate
matching way
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320172639.2U
Other languages
Chinese (zh)
Inventor
王�琦
姚忠魁
刘琦
张婷婷
苏宁斌
张东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanqi Group Commercial Vehicle Co ltd
Original Assignee
Shaanqi Group Commercial Vehicle Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanqi Group Commercial Vehicle Co ltd filed Critical Shaanqi Group Commercial Vehicle Co ltd
Priority to CN202320172639.2U priority Critical patent/CN219192373U/en
Application granted granted Critical
Publication of CN219192373U publication Critical patent/CN219192373U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/82Elements for improving aerodynamics

Landscapes

  • Body Structure For Vehicles (AREA)

Abstract

The utility model relates to a tail diversion foldable full-closed trailer, which comprises a carriage; the carriage is surrounded by upper, lower, left, right, front and rear carriage plates; wheels are arranged at the bottoms of the left side and the right side of the carriage in a matching way; the carriage is provided with a tail diversion mechanism on the outer side surface of the rear carriage plate in a matching way; the tail flow guiding mechanism comprises a tail flow guiding mounting bracket and a tail flow guiding plate; the tail diversion mounting bracket is matched and fixedly mounted on the outer side surface of a rear side carriage plate of the carriage; the tail guide plate is arranged on the outer side of the tail guide mounting bracket in a matching mode. The utility model has simple and reasonable structural design and safe use, can reduce the wind resistance of the train, improve the economical efficiency of the vehicle and meet the requirement of more severe environmental protection.

Description

Tail-diversion foldable full-closed trailer
Technical Field
The utility model relates to a full-closed trailer, in particular to a full-closed trailer with a foldable tail guide.
Background
Along with the acceleration of the national excessive control force in recent years, the road traffic regulations are more stringent and the requirements on environmental protection are higher, and the country is pushing the van semi-trailer to replace the warehouse grating and the breast board semi-trailer.
In recent years, the rapid development of the e-commerce industry promotes the gradual transformation of the express logistics transportation industry to safe and efficient, so that higher requirements are also put forward on vehicles for cargo transportation, the van-type transport vehicle becomes the main trend of long-distance trunk transportation by virtue of the advantages in the aspects of safety and economy, and compared with the existing bin gate and railing type trailer on the market, the van-type trailer avoids the influence of tarpaulin on loading and unloading efficiency and the economic loss of tarpaulin loss, and strengthens the protection of cargoes.
At present, most of side protection of van-type semitrailers on the market mostly adopts the form of guard bar, and actual effect is very little, and during the occurence of failure, often not play the guard action, leads to people, car to be rolled into under the car and causes secondary injury to personnel, still because present side guard bar adopts "well" word check structure, is unfavorable for whole car windage, leads to fuel economy relatively poor.
Disclosure of Invention
The technology optimizes the traditional van-type semitrailer and provides the tail-diversion foldable full-closed trailer which has simple and reasonable structural design, can obviously improve the passive safety of the vehicle, greatly reduce the wind resistance of the train, improve the economy of the vehicle and meet the harsher environmental protection requirement.
The technical scheme adopted by the utility model is as follows:
the tail diversion foldable full-closed trailer comprises a carriage; the carriage is surrounded by upper, lower, left, right, front and rear carriage plates; wheels are arranged at the bottoms of the left side and the right side of the carriage in a matching way; the carriage is provided with a tail diversion mechanism on the outer side surface of the rear carriage plate in a matching way; the tail flow guiding mechanism comprises a tail flow guiding mounting bracket and a tail flow guiding plate;
the tail guide mounting bracket is matched and fixedly mounted on the outer side surface of a rear side carriage plate of the carriage and comprises an upper guide plate supporting rod, an upper guide plate rocker, an upper guide plate limiting device, a side guide plate supporting rod and a side guide plate limiting device; the upper guide plate supporting rod is fixedly arranged outside the top end of the rear side carriage plate of the carriage; the upper guide plate rocker is longitudinally arranged; the upper guide plate limiting device is arranged outside a rear carriage plate of the carriage on one side of the bottom end of the rocker of the upper guide plate in a matching way; the side guide plate support rods are provided with two groups and are respectively matched and fixedly installed outside the left side and the right side of the rear side carriage plate of the carriage; the side guide plate limiting device is matched with the outside of a rear side carriage plate of the carriage correspondingly arranged at one side of the top end of the side guide plate supporting rod;
the tail guide plate is arranged on the outer side of the tail guide mounting bracket in a matching way and comprises an upper guide plate and a pair of side guide plates; the upper guide plate is arranged at the upper part of the upper guide plate supporting rod in a matching way, and the tail end of the upper guide plate is also hinged with a rear side carriage plate of the carriage in a matching way; the top end of the upper guide plate rocker is fixedly connected to the bottom of the upper guide plate, and the bottom end of the upper guide plate rocker is detachably matched and connected with the upper guide plate limiting device; the upper guide plate limiting device is used for limiting the upper guide plate in the process of moving the upper guide plate rocker up and down; the upper guide plate can swing up and down along with the up and down movement of the upper guide plate rocker; the pair of side guide plates are respectively and symmetrically arranged at the left side and the right side of the rear side carriage plate of the carriage in a matching way; the tail part of each side guide plate is hinged with the rear side carriage plate of the carriage in a matching way; one end of the side guide plate supporting rod is hinged to the side guide plate in a matching way, and the other end of the side guide plate supporting rod is connected with the side guide plate limiting device in a detachable matching way; the side guide plate supporting rods are limited by the side guide plate limiting device in the process of moving left and right; each side guide plate can swing left and right along with the left and right movement of the side guide plate supporting rod.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the carriage is symmetrically and fixedly provided with side plate mounting brackets at the lower parts of carriage plates at the left side and the right side.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the fully-enclosed trailer further comprises a side skirt plate; the side skirtboards are arranged on the outer sides of the mounting brackets on the front side and the rear side of the wheel in a matching mode.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the fully-enclosed trailer also comprises an enclosed wheel plate; the closed wheel plate is installed on the outer side of the mounting bracket at the wheel position in a matching way.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the side guide plate limiting device consists of a side guide plate limiting support and a side guide plate limiting pin; the other end of the side guide plate supporting rod is detachably matched and connected with the side guide plate limiting support through the side guide plate limiting pin.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the tail part of each side guide plate is hinged with the rear side carriage plate of the carriage in a matched manner through a side guide plate connecting support.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the side guide plate connecting support comprises a rear carriage plate connecting seat, a guide plate connecting seat and a hinge shaft; one end of the rear carriage plate connecting seat is fixedly arranged on a rear side carriage plate of the carriage through a fastener, and the other end of the rear carriage plate connecting seat is matched and hinged with one end of the guide plate connecting seat through the hinge shaft; the other end of the guide plate connecting seat is fixedly arranged on the side guide plate through a fastener.
The foldable totally enclosed trailer of tail water conservancy diversion, wherein: the upper guide plate limiting device consists of an upper guide plate limiting support and an upper guide plate limiting pin; the bottom of the upper guide plate rocker is detachably matched and hinged with the upper guide plate limiting support through the upper guide plate limiting pin.
The beneficial effects are that:
the tail-diversion foldable fully-enclosed trailer has simple and reasonable structural design, and the side protection of the van semi-trailer and the carriage are integrally designed, so that people are prevented from being taken down by a roll of people when an accident happens, and the passive safety of the vehicle is improved; especially, the design of the foldable tail end flow guiding mechanism is quite obvious in contribution to reducing wind resistance, not only can the separation point of air flow be delayed backwards, but also the tail flow guiding plate and the shape of the rear part of the side skirt are retracted inwards, the negative pressure area at the rear of a carriage can be reduced, the wind resistance of a train can be reduced, the economical efficiency of the vehicle is improved, and the more severe environment-friendly requirement is met. The wind resistance of the whole vehicle is reduced by installing a side apron board and a wheel closing board at the lower part of the carriage and installing an tail guide plate at the tail end of the carriage; the side skirtboard can greatly reduce the situation that a trolley or a pedestrian is involved in the bottom of a vehicle when an accident occurs, and can prevent air on two sides from being sucked into the lower part of the vehicle in the running process of the vehicle, so that the air flow accumulation of the lower part of the vehicle is reduced, the air flow of the lower part of the vehicle is smoother, and the effects of reducing wind resistance and improving fuel economy are achieved; the closed wheel plate can enable air flow to bypass the wheels, reduce interference resistance of the wheels and reduce wind resistance of the whole vehicle.
The tail flow guiding mechanism accords with the aerodynamic principle, and the influence of wind resistance on the whole vehicle is reduced to the minimum through virtual fluid analysis, so that the structure is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of a fully enclosed trailer with a foldable tail guide;
FIG. 2 is a front view of a fully enclosed trailer with a foldable tail guide according to the present utility model;
FIG. 3 is a schematic view of the tail guide mechanism of the tail guide foldable fully-enclosed trailer of the present utility model;
fig. 4 is a schematic structural view of a side deflector connecting support of a tail deflector mechanism of a tail deflector foldable full-closed trailer of the present utility model;
fig. 5 is a schematic diagram showing connection between an upper deflector rocker and an upper deflector limiting device of a tail deflector mechanism of a tail deflector foldable full-closed trailer of the present utility model.
Detailed Description
As shown in fig. 1 to 3, the tail guide foldable full-closed trailer of the present utility model comprises a carriage 1, a side skirt plate 2, a closed wheel plate 3 and a tail guide mechanism 4.
The carriage 1 is a foldable carriage and is surrounded by carriage plates at the upper side, the lower side, the left side, the right side, the front side and the rear side; two groups of wheels 11 are symmetrically arranged on the left side and the right side of the middle front section of the lower side carriage plate in a matching mode, and side plate mounting brackets 12 are fixedly arranged on the lower parts of the left side carriage plate and the right side carriage plate in a symmetrical mode.
The side skirt plate 2 has two sets which are fixedly mounted on the outer sides of mounting brackets 12 located on the front and rear sides of the wheel 11 by bolts, respectively. The side skirt board 2 can greatly reduce the situation that a trolley or a pedestrian is involved in the bottom of a vehicle when an accident occurs, and can prevent air on two sides from being sucked into the lower part of the vehicle in the running process of the vehicle, so that the airflow accumulation of the lower part of the vehicle is reduced, the airflow flow of the lower part of the vehicle is smoother, and the effects of reducing wind resistance and improving fuel economy are achieved.
The closed wheel plate 3 has two groups and is fixedly mounted on the outer side of the mounting bracket 12 at the position of the wheel 11 by bolt matching respectively. The closed wheel plate 3 can enable air flow to bypass the wheels 11, weaken interference resistance of the wheels 11 and reduce wind resistance of the whole vehicle.
The tail guide mechanism 4 is mounted on the outer side surface of the rear side carriage plate of the carriage 1 in a matching way, and comprises a tail guide mounting bracket 41 and a tail guide plate 42.
The tail guide mounting bracket 41 is fixedly mounted on the outer side surface of the rear side carriage plate of the carriage 1 in a matching manner, and comprises an upper guide plate supporting rod 411, an upper guide plate rocker 412, an upper guide plate limiting device 413, a side guide plate supporting rod 414 and a side guide plate limiting device 415.
The upper baffle support rods 411 are provided in plurality and are fixedly installed at the outside of the rear side deck top of the car 1 uniformly in the horizontal direction.
The upper baffle rockers 412 are a pair and are all disposed longitudinally.
The upper baffle limiting device 413 is matched with the outside of the rear side carriage plate of the carriage 1 arranged at one side of the bottom end of the upper baffle rocker 412; wherein, the upper baffle rocker 412 is limited by the upper baffle limiting device 413 in the process of moving up and down. As shown in fig. 5, the upper baffle limiting device 413 is composed of an upper baffle limiting support 4131 and an upper baffle limiting pin 4132; the bottom end of the upper baffle rocker 412 is detachably hinged to the upper baffle limiting support 4131 in a matching manner through an upper baffle limiting pin 4132.
The side baffle support bars 414 have two groups and are respectively and uniformly and fixedly installed outside the left and right sides of the lower end of the rear side deck of the car 1 in the vertical direction.
The side baffle limiting device 415 has a pair of rear side baffle outsides which are respectively matched with the carriage 1 correspondingly arranged at the top end side of the side baffle supporting rods 414; the side baffle support bar 414 is limited by a side baffle limiting device 415 in the process of moving left and right, and the side baffle limiting device 415 is composed of a side baffle limiting support and a side baffle limiting pin.
The tail baffle 42 is mounted on the outer side of the tail baffle mounting bracket 41 in a matching manner, and comprises an upper baffle 421, a pair of side baffles 422 and a plurality of side baffle connection supports 423. The upper deflector 421 is matched and arranged at the upper part of the upper deflector support rod 411 of the tail deflector mounting bracket 41, the tail end edge of the upper deflector support rod is matched and hinged with the rear side carriage plate of the carriage 1, and the bottom of the upper deflector support rod is fixedly connected with the top end of the upper deflector rocker 412; the upper baffle 421 can swing up and down as the upper baffle rocker 412 moves up and down. The pair of side guide plates 422 are respectively and symmetrically arranged on the left side and the right side of the rear side carriage plate of the carriage 1 in a matching way, and the tail side edge of each side guide plate 422 is also hinged with the side edge of the rear side carriage plate of the carriage 1 in a matching way through a plurality of side guide plate connecting supports 423; one end of the side deflector support rod 414 is matched and hinged with the side deflector 422, and the other end of the side deflector support rod is detachably matched and connected with a side deflector limiting support of the side deflector limiting device 415 through a side deflector limiting pin; each side deflector 422 may swing side to side as the side deflector support bar 414 moves side to side. As shown in fig. 4, each side deflector connecting support 423 includes a rear car plate connecting seat 4231, a deflector connecting seat 4232 and a hinge shaft 4233, wherein one end of the rear car plate connecting seat 4231 is fixedly installed on a rear car plate of the car 1 through a fastener, and the other end of the rear car plate connecting seat is in matched hinge connection with one end of the deflector connecting seat 4232 through the hinge shaft 4233; the other end of the baffle coupling seat 4232 is fixedly mounted to the side baffle 422 by a fastener. The addition of the tail deflector 42 is also quite obvious in reducing the contribution of wind resistance, not only can delay the separation point of the air flow backwards, but also the tail deflector 42 and the rear part of the side skirt 2 are inwardly retracted, and the negative pressure area behind the carriage 1 can be reduced. The method comprises
The operation steps of closing the tail baffle 42 are as follows:
(1) The upper deflector limiting pin 4132 is pulled out, the upper deflector rocker 1 is pulled downwards, the upper deflector 421 rotates downwards along with the upper deflector rocker 1, finally, the upper deflector is stopped in a state vertical to the ground, the upper deflector limiting pin 4132 is inserted, and the closed state is locked by the upper deflector limiting device 413;
(2) The upper baffle limiting pins 4132 are pulled out to push the side baffles 422 to the middle respectively, the side baffles 422 rotate to the middle along with the side baffle supporting rods 414 and finally stop at the parallel position of the carriage door, the side baffle limiting pins inserted into the side baffle limiting devices 415 lock the open state, and the side baffle limiting devices 415 lock the closed state.
The operation steps for opening the tail baffle 42 are:
(1) Opening the side guide plate limiting devices 415, respectively pushing the side guide plates 422 to two sides, enabling the side guide plates 422 to rotate to two sides along with the side guide plate supporting rods 414, and finally stopping at the vertical position of the carriage door, and locking the opening state by inserting side guide plate limiting pins;
(2) The upper baffle limiting device 413 is opened, the upper baffle rocker 412 is pushed upwards, the upper baffle rocker 412 rotates upwards, finally, the upper baffle rocker 412 stops at a certain included angle state with the ground, and the upper baffle limiting pin 4132 is inserted to lock the opening state.
The utility model has simple and reasonable structural design, and the side skirt board can greatly reduce the situation that the trolley or the pedestrian is involved in the bottom of the trolley when an accident occurs; meanwhile, the airflow accumulation at the lower part of the vehicle can be reduced, so that the airflow at the lower part of the vehicle flows more smoothly, and the wind resistance of the whole vehicle is reduced; the wheel plate is sealed, so that air flow can bypass the wheels, interference resistance of the wheels is reduced, and wind resistance of the whole vehicle is reduced; the tail deflector can delay the separation point of the air flow backwards and reduce the negative pressure area behind the carriage, thereby playing a role in reducing wind resistance.

Claims (8)

1. A tail diversion foldable full-closed trailer comprises a carriage (1); the carriage (1) is surrounded by upper, lower, left, right, front and rear carriage plates; wheels (11) are arranged at the bottoms of the left side and the right side of the carriage (1) in a matching way; the method is characterized in that: the carriage (1) is provided with a tail diversion mechanism (4) on the outer side surface of the rear carriage plate in a matching way; the tail flow guiding mechanism (4) comprises a tail flow guiding mounting bracket (41) and a tail flow guiding plate (42);
the tail guide mounting bracket (41) is fixedly mounted on the outer side surface of a rear side carriage plate of the carriage (1) in a matching way, and comprises an upper guide plate supporting rod (411), an upper guide plate rocker (412), an upper guide plate limiting device (413), a side guide plate supporting rod (414) and a side guide plate limiting device (415); the upper guide plate supporting rod (411) is fixedly arranged outside the top end of the rear side carriage plate of the carriage (1); the upper deflector rocker (412) is longitudinally arranged; the upper guide plate limiting device (413) is arranged outside a rear side carriage plate of the carriage (1) on one side of the bottom end of the upper guide plate rocker (412) in a matching mode; the side guide plate supporting rods (414) are provided with two groups and are respectively matched and fixedly installed outside the left side and the right side of the rear side carriage plate of the carriage (1); the side guide plate limiting device (415) is matched with the outside of a rear side carriage plate of the carriage (1) correspondingly arranged at one side of the top end of the side guide plate supporting rod (414);
the tail guide plate (42) is arranged on the outer side of the tail guide mounting bracket (41) in a matching way and comprises an upper guide plate (421) and a pair of side guide plates (422); the upper guide plate (421) is arranged on the upper part of the upper guide plate supporting rod (411) in a matching way, and the tail end of the upper guide plate is also hinged with a rear side carriage plate of the carriage (1) in a matching way; the top end of the upper guide plate rocker (412) is fixedly connected to the bottom of the upper guide plate (421), and the bottom end of the upper guide plate rocker is detachably connected with the upper guide plate limiting device (413) in a matching way; the upper deflector rocker (412) is limited by the upper deflector limiting device (413) in the process of moving up and down; the upper guide plate (421) can swing up and down along with the up and down movement of the upper guide plate rocker (412); the pair of side guide plates (422) are respectively and symmetrically arranged at the left side and the right side of the rear side carriage plate of the carriage (1) in a matching way; the tail part of each side guide plate (422) is hinged with the rear side carriage plate of the carriage (1) in a matching way; one end of the side guide plate supporting rod (414) is hinged to the side guide plate (422) in a matching way, and the other end of the side guide plate supporting rod is connected with the side guide plate limiting device (415) in a detachable matching way; the side guide plate supporting rods (414) are limited through the side guide plate limiting devices (415) in the process of moving left and right; each side deflector (422) can swing left and right along with the side deflector support rod (414) moving left and right.
2. The tail boom foldable fully enclosed trailer of claim 1, wherein: the carriage (1) is symmetrically and fixedly provided with side plate mounting brackets (12) at the lower parts of carriage plates at the left side and the right side.
3. The tail boom foldable fully enclosed trailer of claim 2, wherein: the fully-enclosed trailer also comprises a side skirt plate (2); the side skirting board (2) is installed on the outer sides of the mounting brackets (12) on the front side and the rear side of the wheel (11) in a matching mode.
4. The tail boom foldable fully enclosed trailer of claim 2, wherein: the fully-enclosed trailer also comprises an enclosed wheel plate (3); the closed wheel plate (3) is arranged on the outer side of the mounting bracket (12) at the position of the wheel (11) in a matching way.
5. The tail boom foldable fully enclosed trailer of claim 1, wherein: the side guide plate limiting device (415) consists of a side guide plate limiting support and a side guide plate limiting pin; the other end of the side guide plate supporting rod (414) is detachably connected with the side guide plate limiting support in a matching way through the side guide plate limiting pin.
6. The tail boom foldable fully enclosed trailer of claim 1, wherein: the tail part of each side guide plate (422) is hinged with the rear side carriage plate of the carriage (1) in a matched mode through a side guide plate connecting support (423).
7. The tail boom foldable fully enclosed trailer of claim 6, wherein: the side guide plate connecting support (423) comprises a rear carriage plate connecting seat (4231), a guide plate connecting seat (4232) and a hinge shaft (4233); one end of the rear carriage plate connecting seat (4231) is fixedly arranged on a rear side carriage plate of the carriage (1) through a fastener, and the other end of the rear carriage plate connecting seat is matched and hinged with one end of the guide plate connecting seat (4232) through the hinge shaft (4233); the other end of the guide plate connecting seat (4232) is fixedly arranged on the side guide plate (422) through a fastening piece.
8. The tail boom foldable fully enclosed trailer of claim 1, wherein: the upper guide plate limiting device (413) consists of an upper guide plate limiting support (4131) and an upper guide plate limiting pin (4132); the bottom end of the upper deflector rocker (412) is detachably matched and hinged with the upper deflector limiting support (4131) through the upper deflector limiting pin (4132).
CN202320172639.2U 2023-02-09 2023-02-09 Tail-diversion foldable full-closed trailer Active CN219192373U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320172639.2U CN219192373U (en) 2023-02-09 2023-02-09 Tail-diversion foldable full-closed trailer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320172639.2U CN219192373U (en) 2023-02-09 2023-02-09 Tail-diversion foldable full-closed trailer

Publications (1)

Publication Number Publication Date
CN219192373U true CN219192373U (en) 2023-06-16

Family

ID=86727520

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320172639.2U Active CN219192373U (en) 2023-02-09 2023-02-09 Tail-diversion foldable full-closed trailer

Country Status (1)

Country Link
CN (1) CN219192373U (en)

Similar Documents

Publication Publication Date Title
US7942466B2 (en) Vehicle side fairing system
US8251436B2 (en) Devices and methods for reducing vehicle drag
US8783757B2 (en) Devices and methods for reducing vehicle drag
EP3176038B1 (en) Recess steps for cab access
JP5584866B2 (en) Side skirt of towed vehicle
US8783758B2 (en) Folding side skirt system for a trailer
US7699382B2 (en) Trailer with aerodynamic rear door
CA2891265A1 (en) Aerodynamic rear drag reduction system for a trailer
WO2004062953A2 (en) Improving fuel consumption in large road-going vehicles
MX2014009848A (en) Side skirt system for reducing drag.
MX2012006591A (en) AIRâ¿¿CONDUCTING SYSTEM.
CN107878579A (en) A kind of air guide device applied to van-type tailer
EP2917093B1 (en) Multicomponent improved vehicle fuel economy system
CN219192373U (en) Tail-diversion foldable full-closed trailer
CN202574423U (en) Aerodynamic drag reduction device for container freight truck
CN206344879U (en) A kind of body structure of electric automobile
CN117719415A (en) Goods device is covered with to cargo transportation vehicle
CN115973294A (en) Totally enclosed trailer with foldable tail diversion
CN218750761U (en) Light-duty high-speed bellows windshield of not packet car hook type
CN204775506U (en) Installing support and car
CN103979025B (en) Compartment afterbody drainage side plate and drainage frame and vehicle
CN215097233U (en) Pull type motor home
CN215826846U (en) Diversion and flow disturbance device for reducing wind resistance of vehicle
CN204775236U (en) Self -discharging van -type mine car
CN210526686U (en) Freight passenger car aerodynamic resistance reducing device for improving flow field by jet flow

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant