CN201520349U

CN201520349U - Nozzle type anti-drag structure for vehicle

Info

Publication number: CN201520349U
Application number: CN2009202186669U
Authority: CN
Inventors: 陈世雄
Original assignee: JETPRO TECHNOLOGY Co Ltd
Current assignee: JETPRO TECHNOLOGY Co Ltd
Priority date: 2009-10-14
Filing date: 2009-10-14
Publication date: 2010-07-07
Anticipated expiration: 2019-10-14

Abstract

The utility model provides a nozzle type anti-drag structure for a vehicle, which is installed at the tail end of the vehicle, and comprises a frame body that is formed by combining a plurality of flow-guiding plates, and an air flow passage is formed between the flow-guiding plates; an air inlet and an air outlet which are communicated with the air flow passage are respectively formed at two ends of the frame body; the area enclosed by the air outlet is larger than the area enclosed by the air inlet; therefore, during the driving process of the vehicle with high speed or low speed, the nozzle type anti-drag structure can effectively promote the driving efficiency and increase the driving stability.

Description

Vehicle nozzle type drag reduction structure

Technical field

The utility model is relevant a kind of attenuating windage structure, refers to a kind of vehicle nozzle type drag reduction structure especially.

Background technology

General vehicle is to be subjected to the influence of air-flow around it and to make driving efficient not high in the process of moving, more common mode is installed deflecting plate exactly and is solved this windage problem, the full size vehicle of especially long-distance operation needs deflecting plate especially, the small-sized car weight of the weight ratio of Oversize vehicle, under the travelling of long-time and long distance, usually produce a large amount of oil consumption, the cost burden that causes the transportation carrier to manage especially because of the problem of windage.

Become known for the flow-guiding structure of vehicle, TWM329580 discloses as TaiWan, China letter patent book number, it mainly comprises a framework, this framework is formed by plural deflecting plate is corresponding, and between these deflecting plates, being formed with a gas channel, the end in framework has a ventilation inlet in addition, has an air outlet in the other end of framework, ventilation inlet and air outlet are communicated with gas channel, and air-admitting surface is greater than the air outlet area.

Yet, become known for the flow-guiding structure of vehicle, when it reaches a particular value in Vehicle Speed, beginning has the enough stream pressures of generation, to form the sedimentation exhalation that quickens at the air outlet place, and form invisible gas wall together, and then reduce the air-flow size and the intensity of vehicle tail end, and reach the effect that lowers windage.But the problem points of its existence promptly is when if the moving velocity of vehicle is lower than a particular value, then the kinetic energy of air-flow is lower, lower by the ability of framework, the power that forms the gas wall weakens, and can not significantly and effectively reduce turbulence rate and reach tangible drag-reduction effect; Demand urgently being improved.

The utility model content

A purpose of the present utility model, be to provide a kind of vehicle nozzle type drag reduction structure, it can be guided the air-flow actv. of the vehicle periphery of flowing through, and reduces the windage effect of vehicle ', and can promote the driving efficient of vehicle and the stability of increase vehicle '.

In order to reach above-mentioned purpose, the utility model mainly provides a kind of vehicle with nozzle type drag reduction structure, in order to be installed in described vehicle tail end, comprises a framework, and it is by plural deflecting plate be combined into, and is formed with a gas channel between these deflecting plates; Two ends in this framework are formed with an air intake vent and an air outlet that communicates with this gas channel respectively, and the area of formation that this air outlet encloses is greater than the area of formation that this air intake vent encloses.

The utility model also has following effect and advantage, no matter it can be at vehicle at a high speed or in the low speed driving process, all can actv. promotes the stability that driving efficient and increase are travelled.Utilization sets plural separator of battery plates in framework inside, to increase each deflecting plate resistance capacity to deformation.By combining of coupling assembling and vehicle and framework, can make framework adjust swing, and be beneficial to the action that the back door of vehicle is opened or closed with respect to coupling assembling.Assembly start by driven unit and coupling assembling more can increase user's operation convenience.

Description of drawings

Fig. 1 is the utility model drag reduction structural upright External view.

Fig. 2 is the utility model drag reduction structure partial enlarged drawing.

Fig. 3 is that the utility model drag reduction structure side is to view.

Fig. 4 is the utility model drag reduction structure actuator state cutaway view.

Fig. 5 is that the utility model is applied to the vehicle combination scheme drawing.

Fig. 6 is that the utility model is applied to vehicle running condition figure ().

Fig. 7 is that the utility model is applied to vehicle running condition figure (two).

Fig. 8 is that another embodiment that the utility model is applied to vehicle makes up scheme drawing.

Fig. 9 is that the another embodiment that the utility model is applied to vehicle makes up scheme drawing.

Figure 10 is another embodiment stereo appearance figure of the utility model drag reduction structure.

[main element nomenclature]

Framework 10

Baffle upper plate 11 chin spoilers 12

Side deflecting plate 13 gas channels 14

Air intake vent 15 air outlets 16

Separator of battery plates 17

Coupling assembling 20

L type gusset 21 pivots 22

Lock member 23

Driven unit 30

Motor 31 gear clusters 32

Big gear wheel 321 miniature gearss 322

Vehicle 8

The specific embodiment

Relevant detailed description of the present utility model and technology contents cooperate graphic being described as follows, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.

See also Fig. 1 to shown in Figure 3, the utility model provides a kind of vehicle nozzle type drag reduction structure, and it mainly comprises a framework 10 and a pair of coupling assembling 20.

Framework 10 is enclosed by a baffle upper plate 11, a

chin spoiler

12 and 13 one of two side deflecting plates and constitutes, upper and lower

deflecting plate

11,12 all is circular arc, two side deflecting plates 13 then are vertical shape being bonded with each other with upper and lower

deflecting plate

11,12, and are formed with a gas channel 14 between each

deflecting plate

11,12 and each side deflecting plate 13; Forward and backward two ends in framework 10 are formed with an air intake vent 15 and an air outlet 16 that is connected with gas channel 14 respectively in addition, and by the radius of curvature of baffle upper plate 11 radius of curvature (as shown in Figure 3, Figure 4), so that the region area of air outlet 16 formation that encloses is greater than the region area of air intake vent 15 formation that encloses greater than chin spoiler 12.

Coupling assembling 20 mainly comprises a L type gusset 21, a pivot 22 and a lock member 23, this L type gusset 21 offers the through hole (scheming not shown) that wears for pivot 22, the pivot 22 of present embodiment is a screw rod, the one end inserts aforementioned side deflecting plate 13 and is affixed, the lock member 23 of present embodiment is a nut in addition, it is spirally connected corresponding to pivot 22, with the front end place of packing at aforementioned side deflecting plate 13 that L type gusset 21 folders are pulled.

In addition, framework 10 of the present utility model also comprises plural separator of battery plates 17, and itself and aforementioned side deflecting plate 13 configured in parallel and be contained in the gas channel 14 at interval are so as to increasing the resistance capacity to deformation of upper and

lower deflecting plate

11,12.

See also shown in Figure 4, nozzle type drag reduction structure of the present utility model can combine by the pivot joint of framework 10 with coupling assembling 20, to adapt to the user demand of various different vehicle 8, allow the framework 10 be centre of gration, and do upper and lower adjustment swing with respect to coupling assembling 20 with pivot 22.

See also Fig. 5 to shown in Figure 7, nozzle type drag reduction structure of the present utility model can double-typely be installed in the place, upper and lower position of vehicle 8 tail ends such as container car or trailer, it is to utilize at vehicle 8 to be provided with predetermined screw (figure does not express), with bolting element cross-under L type gusset 21 such as screw framework 10 is incorporated on the vehicle 8 again.

During use when vehicle 8 to overtake after, the formed air-flow in windward side (as shown by arrows) will be taken advantage of a situation and be flowed along the outer peripheral edges of vehicle 8, when these air current flow during to vehicle 8 tail end positions, air intake vent 15 from framework 10 front ends enters, and is following the water conservancy diversion direction of framework 10 in-to-in gas channels 14 and flow out from air outlet 16.Because the area that the area that air outlet 16 is made around is made around greater than air intake vent 15, with being produced in the gas channel 14 of framework 10, air-flow slows down and pressurization (the white principle of making great efforts of foundation, Bernoulli ' s principle), when air outlet 16 stream pressures promote, when flowing into the eddy zone at low pressure vehicle 8 backs, air-flow more easily passes through the gas channel 14 of framework 10, and the loss of pressure that flows out is less.Moreover, the air-flow of these elevated pressures, the air-flow of deflection and bigger airshed all will make the eddy region at vehicle 8 backs diminish, and (the vehicle back resistance greatly mainly is that back pressure is low to improve vehicle 8 back pressures, and make vehicle by due to pusher), so can reach the attenuating windage effect of vehicle 8 easily, no matter and be at vehicle 8 low speed or when running at high speed, significant attenuating windage effect all can be arranged, and promote the driving efficient of vehicle 8.

See also Fig. 8 and shown in Figure 9, wherein shown in Figure 8, the position is set can be installed in the left and right dual side-edge position of vehicle 8 tail ends of this nozzle type drag reduction structure based on different demands and garage's state.Or as shown in Figure 9, be respectively arranged with the drag reduction structure in four side position, vehicle 8 tail end upper and lower, left and right; To lower from the windage effect that all directions were produced.

See also shown in Figure 10, nozzle type drag reduction structure of the present utility model, except can be for the above embodiments kenel, it also can comprise a driven unit 30, this driven unit 30 comprises a motor 31 and a gear cluster 32, motor 31 is fixed on the aforementioned L type gusset 21, gear cluster 32 then by two not 321,322 of the large and small gears of equal diameter and the transmission that is meshing with each other form, wherein big gear wheel 321 is fixed in the axle of motor 31 and interlock each other, and 322 of miniature gearss are socketed on the aforementioned pivot 22 and interlock each other; When desire is opened the back door of vehicle 8, can be earlier by the rotation of the axle of motor 31, advance with big gear wheel 321 drive pinions 322 and drive pivot 22 rotations, be that centre of gration upwards starts and make framework 10 with pivot 22; So, can easily the back door of vehicle 8 be opened.

In sum, vehicle of the present utility model really can reach the application target of expection with nozzle type drag reduction structure, and solves the disappearance of known technology.

Claims

1. a vehicle, is characterized in that in order to be installed in described vehicle tail end with nozzle type drag reduction structure, comprises a framework, and it is by plural deflecting plate be combined into, and is formed with a gas channel between these deflecting plates; Two ends in this framework are formed with an air intake vent and an air outlet that communicates with this gas channel respectively, and the area of formation that this air outlet encloses is greater than the area of formation that this air intake vent encloses.

2. vehicle as claimed in claim 1 is characterized in that with nozzle type drag reduction structure, this framework comprises a baffle upper plate, to a chin spoiler that should the baffle upper plate configuration, and connect two side deflecting plates of this baffle upper plate and this chin spoiler.

3. vehicle as claimed in claim 2 is characterized in that with nozzle type drag reduction structure this baffle upper plate and this chin spoiler all are circular arc.

4. vehicle as claimed in claim 3 is characterized in that with nozzle type drag reduction structure the radius of curvature of this baffle upper plate is greater than the radius of curvature of this chin spoiler.

5. vehicle as claimed in claim 4 is characterized in that with nozzle type drag reduction structure this baffle upper plate, this chin spoiler and this two sides deflecting plate are that one constitutes.

6. vehicle as claimed in claim 2 is characterized in that with nozzle type drag reduction structure this framework also comprises plural separator of battery plates, and these separator of battery platess and this side deflecting plate configured in parallel and interval are contained in this gas channel.

7. vehicle as claimed in claim 1 is characterized in that with nozzle type drag reduction structure also comprise a pair of coupling assembling, this is individually fixed in described vehicle and connects this framework coupling assembling.

8. vehicle as claimed in claim 7 is characterized in that with nozzle type drag reduction structure, wherein each coupling assembling comprise the L type gusset that is fixed on described vehicle, and an end be fixed in the pivot that this framework other end articulates this L type gusset.

9. vehicle as claimed in claim 8 nozzle type drag reduction structure, it is characterized in that, also comprise a driven unit, this driven unit comprises the motor that is fixed on this L type gusset, and is socketed on a gear cluster of this motor spindle and this pivot and the transmission that is meshing with each other respectively.

10. vehicle as claimed in claim 7 nozzle type drag reduction structure, it is characterized in that, wherein each coupling assembling comprise a screw rod that the L type gusset, the end that are fixed on described vehicle be fixed in this this L type gusset of framework other end cross-under, and corresponding to a be spirally connected lock member of packing of this screw rod.