CN208344364U - It is a kind of to make somebody a mere figurehead automobile tail fin with the symmetrical expression for reducing windage - Google Patents

Abstract

The utility model relates to automotive fluid power technology fields more particularly to a kind of symmetrical expression with reduction windage to make somebody a mere figurehead automobile tail fin, comprising: side plate, tail plate and back plate；The tail plate left end is provided with preceding round-corner transition；The back plate right end is provided with rear round-corner transition, and back plate is connected by transition arc with tail plate；The inside of tail plate and back plate is arranged in the side circular arc, and side circular arc and tail plate, back plate are an integral structure setting；The side plate is located at the outer end of tail plate and back plate；The upside of side plate is arranged in the diversion trench, the utility model passes through to the improvement in structure, and combine the prior art, have the advantages that structure is superior, it is beautiful to cope with air generates car body in superelevation traveling longitudinal lift, structure, to solve the problems, such as existing apparatus and deficiency, with the purpose of more practicability.

Description

It is a kind of to make somebody a mere figurehead automobile tail fin with the symmetrical expression for reducing windage

Technical field

The utility model relates to automotive fluid power technology field more particularly to a kind of symmetrical framves with reduction windage Empty automobile tail fin.

Background technique

Automobile tail fin refers to that car trunk covers, and the protrusion of the filled form duck tail in rear end belongs to automobile air power A part in external member, main function are the lift in order to reduce vehicle tail, and automobile is when running at high speed, according to air force Principle is learned, air drag can be encountered in the process of moving, generates three longitudinally, laterally with vertical ascent simultaneously around centre of gravity of vehicle The air force amount in a direction, wherein longitudinal is air drag, air when in order to efficiently reduce and overcome galloping The influence of resistance, people's design have used automobile tail fin, and effect is exactly that air is made to generate the 4th kind of active force to automobile, that is, is produced The raw biggish adhesive force to ground, it can offset a part of lift, effectively control automobile and float, subtract air resistance coefficient accordingly It is small, so that automobile is tightly attached to road ground traveling, to improve the stability of traveling.

It makes discovery from observation, the existing symmetrical expression with reduction windage makes somebody a mere figurehead automobile tail fin technical field, and there are structure lists One, it is difficult to cope with the problem of longitudinal lift, aesthetics difference that air generates car body in ultrahigh speed traveling etc., in actual operation In the process, bring certain difficulty, then, how to provide a kind of structure is superior, cope with superelevation traveling in air to vehicle The symmetrical expression with reduction windage of longitudinal lift, structure beauty that body generates makes somebody a mere figurehead automobile tail fin, becomes and needs to solve at present Important topic certainly.

In view of this, the present inventor adheres to the relevant design concept of the sector and practical operation experience, and to the prior art Missing study improvement, provide a kind of structure is superior, cope with superelevation travel in air car body is generated longitudinal lift, The symmetrical expression that beautiful the having of structure reduces windage makes somebody a mere figurehead automobile tail fin, is allowed to purpose more with practicability.

Utility model content

Automobile tail fin is maked somebody a mere figurehead with the symmetrical expression for reducing windage the purpose of this utility model is to provide a kind of, on solving State that the structure proposed in background technique is single, is difficult to cope with air generates car body in ultrahigh speed traveling longitudinal lift, beauty Property difference problem and deficiency.

The purpose of this utility model and effect are reached by technical solution in detail below:

It is a kind of to make somebody a mere figurehead automobile tail fin with the symmetrical expression for reducing windage, comprising: fixed part, side plate, is led at preceding round-corner transition Chute, tail plate, side circular arc, transition arc, rear round-corner transition and back plate；The tail plate left end is provided with preceding round-corner transition； The back plate right end is provided with rear round-corner transition, and back plate is connected by transition arc with tail plate；The side circular arc setting In the inside of tail plate and back plate, and side circular arc and tail plate, back plate are an integral structure setting；The side plate is located at tail plate With the outer end of back plate；The upside of side plate is arranged in the diversion trench.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage Fixed part described in empennage and side plate, diversion trench and back plate, which collectively constitute, to be faced in tail plate after two-way L shape symmetrical expression automobile, and Tail plate monomer is in tulwar formula arc shape by side circular arc and rear round-corner transition side view.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage Tail plate left end described in empennage is provided with preceding round-corner transition, and preceding round-corner transition front end is arranged in cross break hook-type.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage Round-corner transition is in sagging type after described in empennage, and rear round-corner transition thickness is greater than 0.5 times of preceding round-corner transition thickness.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage The fixed part of side plate lower part described in empennage is connected with car body.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage Two groups of diversion trenches are at least arranged in portion inside to side plate described in empennage on the body, and diversion trench is impression shape waveform in side plate interior sides Dark line.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage Tail plate outer surface described in empennage is in differential of the arc shape, and tail plate ecto-entad is thickening processing.

As advanced optimizing for the technical program, the utility model is a kind of to make somebody a mere figurehead automobile with the symmetrical expression for reducing windage It is in unit symbol ∩ shape in forward sight tail plate after molding that two pieces of tail plate, which are symmetrical arranged, described in empennage, and during the tail plate is in Between the empty type that is not connected with of position.

Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art

1, the utility model collectively constituted by fixed part and side plate, diversion trench and back plate face it is symmetrical in two-way L shape Tail plate after formula automobile, and tail plate monomer is in tulwar formula arc shape, preceding fillet mistake by side circular arc and rear round-corner transition side view It crosses front end and forms stagnation point, be capable of forming compressed air in front end and enter on the downside of tail plate to car body formation negative lift, tail plate The air of upside flows to constant, the influence of air drag when can efficiently reduce and overcome galloping.

2, the utility model is in sagging type by rear round-corner transition, and rear round-corner transition thickness is greater than preceding round-corner transition thickness 0.5 times, rear round-corner transition forms the flowing that open space accelerates air, and back plate right-hand end is provided with the rear fillet mistake to raise up It crosses, back plate can generate the biggish adhesive force to ground, it can offset a part of liter in open when moving air passes through Power effectively controls automobile and floats.

3, it is in unit symbol ∩ shape that the utility model is interior by forward sight tail plate after two pieces of tail plate moldings arranged symmetrically, And the tail plate is in the empty type that intermediate position is not connected with, side plate lower end is connected with car body, empennage is fixed, this Device is provided with two groups of overhead empennages in symmetrical expression, has structure superior, the strong advantage of aesthetics.

4, the utility model through the above structure on improvement, have structure is superior, cope with superelevation traveling in air Longitudinal lift, the structure aesthetic advantage that car body is generated, thus the problem of effective solution existing apparatus and deficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the axis side structure schematic diagram of the utility model；

Fig. 3 is single caudal wing shaft side structure schematic diagram of the utility model；

Fig. 4 is round-corner transition structural schematic diagram before the A point of the utility model；

Fig. 5 is the B point side arc structure schematic diagram of the utility model；

Fig. 6 is the B point side arc structure schematic diagram of the utility model；

Fig. 7 is round-corner transition structural schematic diagram after the C point of the utility model.

In figure: fixed part 1, preceding round-corner transition 2, side plate 3, diversion trench 4, tail plate 5, side circular arc 6, transition arc 7, after Round-corner transition 8, back plate 9.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1 to Fig. 7 is please referred to, the utility model provides a kind of technical solution:

It is a kind of to make somebody a mere figurehead automobile tail fin with the symmetrical expression for reducing windage, comprising: fixed part 1, preceding round-corner transition 2, side plate 3, diversion trench 4, tail plate 5, side circular arc 6, transition arc 7, rear round-corner transition 8 and back plate 9；5 left end of tail plate is provided with preceding circle Angle transition 2；9 right end of back plate is provided with rear round-corner transition 8, and back plate is connected by transition arc 7 with tail plate 5；Side circular arc 6 The inside of tail plate 5 and back plate 9 is set, and side circular arc 6 and tail plate 5, back plate 9 are an integral structure setting；Side plate 3 is located at The outer end of tail plate 5 and back plate 9；The upside of side plate 3 is arranged in diversion trench 4.

Specifically, fixed part 1 and side plate 3, diversion trench 4 and back plate 9 are collectively constituted and are faced in two-way L shape symmetrical expression automobile Tail plate 5 afterwards, and 5 monomer of tail plate is in tulwar formula arc shape by side circular arc 6 and rear 8 side view of round-corner transition, moving air is worn The biggish adhesive force to ground can be generated when crossing 5 downside of tail plate, it can offset a part of lift, effectively control on automobile It is floating.

Specifically, 5 left end of tail plate is provided with preceding round-corner transition 2, and 2 front end of preceding round-corner transition is arranged in cross break hook-type, Open space is formed on the downside of tail plate 5, moving air flows to car body rear through tail plate 5.

Specifically, rear round-corner transition 8 is in sagging type, and rear 8 thickness of round-corner transition is greater than the 0.5 of preceding 2 thickness of round-corner transition Times, rear round-corner transition 8 can be to one downward longitudinal force of air of the flowing of 9 downside of back plate.

Specifically, the fixed part 1 of 3 lower part of side plate is connected with car body, fixing piece of the side plate 3 as this automobile tail fin, Play the role of installation positioning and the air conducting to empennage.

Specifically, on the body two groups of diversion trenches 4 are at least arranged in portion inside in side plate 3, and diversion trench 4 is on the inside of side plate 3 Impression shape waveform dark line, 3 lower end of side plate are connected with car body, empennage are fixed, and the present apparatus is provided with two in symmetrical expression The overhead empennage of group, has structure superior, the strong advantage of aesthetics.

Specifically, it is in unit symbol ∩ shape that forward sight tail plate 5 is interior after 5 two pieces of tail plate moldings arranged symmetrically, and described Tail plate 5 is in the empty type that intermediate position is not connected with, and preceding 2 front end of round-corner transition forms stagnation point, the air of 5 upside of tail plate Flow to constant, the downside of tail plate 5 will form the air of compression when air passes through, and can efficiently reduce and overcome automobile high-speed The influence of air drag when driving.

Specifically used method and effect:

The influence that the present apparatus generates car body in low vehicle speeds is negligible, only when the vehicle runs at a high speed The active force for influencing car body enough can be just generated, air forms stagnation point in the front end of preceding round-corner transition 2, using car body as ginseng Flow to constant according to the air of 5 upside of, tail plate, the air of 5 downside of tail plate, can be right when passing through tail plate 5 after overcompression Car body forms negative lift, the influence of air drag when efficiently reducing and overcoming galloping.

In summary: this is a kind of to make somebody a mere figurehead automobile tail fin with the symmetrical expression for reducing windage, by fixed part and side plate, leads Chute and back plate, which collectively constitute, to be faced in tail plate after two-way L shape symmetrical expression automobile, and tail plate monomer is by side circular arc and rear circle Angle transition position side view is in tulwar formula arc shape, and preceding round-corner transition front end forms stagnation point, front end be capable of forming compressed air into Enter and negative lift formed to car body on the downside of tail plate, the air on the upside of tail plate flows to constant, can efficiently reduce and overcome vapour The influence of overall height speed air drag when driving；It is in sagging type by rear round-corner transition, and rear round-corner transition thickness is greater than preceding fillet 0.5 times of transition thickness, rear round-corner transition form the flowing that open space accelerates air, and back plate right-hand end, which is provided with, to raise up Round-corner transition afterwards, back plate can generate the biggish adhesive force to ground, it can offset one in open when moving air passes through Part lift effectively controls automobile and floats；Being symmetrical arranged after forming by two pieces of tail plate in forward sight tail plate is in unit symbol ∩ shape, and the tail plate is in the empty type that intermediate position is not connected with, side plate lower end is connected with car body, carries out to empennage Fixed, the present apparatus is provided with two groups of overhead empennages in symmetrical expression, has structure superior, the strong advantage of aesthetics, and the present apparatus is in Symmetrical expression is provided with two groups of overhead empennages, has structure superior, and the strong advantage of aesthetics solves that structure is single, is difficult to answer The problem of longitudinal lift, aesthetics difference that air in ultrahigh speed traveling generates car body.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of make somebody a mere figurehead automobile tail fin with the symmetrical expression for reducing windage, comprising: fixed part (1), preceding round-corner transition (2), side Plate (3), diversion trench (4), tail plate (5), side circular arc (6), transition arc (7), rear round-corner transition (8) and back plate (9)；Its feature Be: tail plate (5) left end is provided with preceding round-corner transition (2)；Back plate (9) right end is provided with rear round-corner transition (8), And back plate is connected by transition arc (7) with tail plate (5)；The side circular arc (6) is arranged in tail plate (5) and back plate (9) Inside, and side circular arc (6) and tail plate (5) and back plate (9) are an integral structure setting；The side plate (3) is located at tail plate (5) and the outer end of back plate (9)；Inside of diversion trench (4) setting on the top of side plate (3).

2. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described Fixed part (1) and side plate (3), diversion trench (4) and back plate (9) collectively constitute and face in empennage after two-way L shape symmetrical expression automobile Plate (5), and tail plate (5) monomer is in tulwar formula arc shape by side circular arc (6) and (8) side view of rear round-corner transition.

3. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described Tail plate (5) left end is provided with preceding round-corner transition (2), and preceding round-corner transition (2) front end is arranged in cross break hook-type.

4. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described Round-corner transition (8) is in sagging type afterwards, and rear round-corner transition (8) thickness is greater than 0.5 times of preceding round-corner transition (2) thickness.

5. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described The fixed part (1) of side plate (3) lower part is connected with car body.

6. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described Two groups of diversion trenches (4) are at least arranged in portion inside to side plate (3) on the body, and diversion trench (4) is impression shape wave on the inside of side plate (3) Shape wave dark line.

7. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described Tail plate (5) outer surface is in differential of the arc shape, and tail plate (5) ecto-entad is thickening processing.

8. according to claim 1 a kind of with the aerial automobile tail fin of symmetrical expression for reducing windage, it is characterised in that: described In unit symbol ∩ shape in forward sight tail plate (5) after (5) two pieces of tail plate moldings arranged symmetrically, and the tail plate (5) is in The empty type that intermediate position is not connected with.