CN206848621U - The antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula - Google Patents

Abstract

The antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula, including picture frame, eyeglass, inner flow passage, air stream outlet, elastic band.Inner flow passage both ends are that outer gas stream entrance and outer gas stream export；Picture frame is divided into edge, picture frame lower edge and picture frame both ends on picture frame；Eyeglass is divided on the inside of eyeglass and on the outside of eyeglass；The space surrounded on the inside of picture frame and eyeglass is inside skiing goggle, remaining space is outside skiing goggle.Eyeglass is arranged on picture frame, and elastic band is arranged on picture frame both ends.Along inner flow passage is provided with picture frame, the outer gas stream entrance of inner flow passage will be connected together outside skiing goggle with inner flow passage, and the outer gas stream outlet of inner flow passage will be connected together inside inner flow passage and skiing goggle；Be provided with air stream outlet in picture frame lower edge, air stream outlet by inside skiing goggle with skiing goggle ft connection together with.Skiing goggle is made using 3D printing technique.

Description

The antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula

Technical field

It the utility model is related to 3D printing and ski goggle field, more particularly to a kind of 3D printing wall attachment effect inner flow passage The antifog skiing goggle of formula.

Background technology

With the improvement of living standards, increasing people begins through the mode of motion to strengthen health, abundant The interest of life, skiing have become the motion that everybody enjoys a lot now.In skiing, in sunlight Ultraviolet, cold wind can directly stimulate eyes；The accumulated snow splash is also fallen within eyes；Can be to face when colliding or falling down And eyes damage；Need to wear skiing goggle when therefore skiing with protect eyes.

Skiing goggle is worn in skiing, face perspires after the vapor to be formed runs into ice-cold minute surface and can condense to form mist Gas, influence the sight of slider.Current antifog solution mainly has：Using double-layer lens, plate on the inside of skiing goggle it is antifog Plated film, use ventilative sponge.Closed space can be formed between double-layer lens, can be reduced to a certain extent in skiing goggle Outer heat exchange so that the skiing goggle of inner side keeps certain warm degree, and reduction is hazed；Antifog plated film can be by shape of perspiring Into vapor water vapor absorption is fallen before fog is formed；Ventilative sponge passes through vapor, and vapor is lost into skiing Outside mirror.

Making antifog plated film needs with some expensive equipment, also needs to carry out performance test to antifog plated film.Use mould Picture frame is made, after production is completed, mould will go out of use, waste of materials.Double-layer lens, antifog plated film and ventilative sponge The cost for making skiing goggle using undoubtedly adding, increase technological process, increase the production cycle.

The hardware composition for the antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula that the utility model is related to is picture frame, eyeglass And elastic force.Along setting inner flow passage on picture frame, when being entered using air-flow by inner flow passage inside skiing goggle on the inside of the minute surface on produce Raw wall-attached jet effect is come antifog.Skiing goggle is made using FDM (Fused Deposition Modeling) 3D printing technique, can be by skiing goggle Entirety is printed, and more crucially inner flow passage also can accurately be printed according to original design data, be taken Between within 10 hours can complete.Material used in making skiing goggle picture frame at present, can also be obtained in FDM technology Using.It is antifog using the progress of wall-attached jet effect, without the use of antifog plated film, double-layer lens, ventilative sponge, reduce and make skiing The cost of mirror, shorten technological process, substantially increase the production cycle.It can reach absolutely for the utilization rate of material.

Utility model content

The purpose of this utility model is that solve the problems, such as that skiing goggle hazes using this new-type scheme of 3D printing, can Reduce the cost of manufacture of skiing goggle, shorten fabrication cycle.

To achieve the above object, the technical solution of the utility model is as follows：

A kind of antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula, including eyeglass (1), picture frame (2), elastic band (5), mirror Along (11), skiing goggle outside (12), eyeglass outside (13) inside (8), picture frame lower edge (9), picture frame both ends (10), skiing goggle on frame With (14) on the inside of eyeglass；The eyeglass (1) is arranged on the picture frame (2)；(14) surround on the inside of the picture frame (2) and eyeglass Space is inside skiing goggle (11), and remaining space is outside skiing goggle (12)；

Characterized in that, outside also including inner flow passage (3), air stream outlet (4), inner flow passage outer gas stream entrance (6), inner flow passage Portion's air stream outlet (7)；The both ends of the inner flow passage (3) are respectively the inner flow passage outer gas stream entrance (6) and the inner flow passage Outer gas stream exports (7)；The inner flow passage (3) set on the picture frame (2) is (11) and sliding inside described skiing goggle (12) are connected together outside snow goggles；The inner flow passage outer gas stream entrance (6) is by (12) outside skiing goggle and the inner flow passage (3) it is connected together, the inner flow passage outer gas stream outlet (7) connects (11) inside skiing goggle with the inner flow passage (3) Together；(12) outside (11) inside skiing goggle and skiing goggle are connected together by the air stream outlet (4).

Further, the inner flow passage (3) is arranged on the picture frame along on (8), and the air stream outlet (4) is arranged on picture frame In lower edge (9).

Further, the inner flow passage (3) is circular arc passage, and inner flow passage (3) is by inner flow passage (19) that section is circular arc Combined with the inner flow passage (20) of rectangular cross-section, section is that inner flow passage (19) of circular arc its section is abdc, and section is Inner flow passage (20) of rectangle its section is bfed；Inner flow passage outer gas stream entrance (6) height ac, gh 1.7-2mm, upper and lower both sides Length ag, the ch 80-85mm of edge；The section is the radian of the radian, i.e. camber line ab, cd of the inner flow passage (19) of circular arc, For 75-90 degree；Width bd, ef 1.2-1.5mm of the inner flow passage (20) of the rectangular cross-section, height de, bf 6.5- 7mm；The edge em of the inner flow passage outer gas stream outlet (7) is parallel with the top edge of (14) on the inside of the eyeglass, and distance is 1- 2mm。

Further, the width of the air stream outlet (4) penetrates the picture frame lower edge (9) in 1-2mm.

Further, the elastic band (5) is arranged on the picture frame both ends (10).

The eyeglass is installed on the picture frame, and the elastic band is installed on the picture frame both ends.

Further, along the inner flow passage is set on the picture frame, wherein outside the inner flow passage of described inner flow passage one end For air flow inlet by the inner flow passage together with the skiing goggle ft connection, the inner flow passage outer gas stream outlet will be described interior Runner inside the skiing goggle with being connected together.

Further, the air stream outlet is set in the picture frame lower edge, and the air stream outlet has connected the skiing Inside mirror and outside the skiing goggle.

Further, because the inner flow passage, the air stream outlet size are small, the processing mode using mould be difficult by It is made, therefore the making of the skiing goggle will be printed by the way of 3D printing.

When outside air enters inner flow passage by the inner flow passage outer gas stream entrance, by the inner flow passage outer gas stream After outlet enters the skiing goggle inside, due to wall-attached jet effect, the air entered inside the skiing goggle can adhere to Flowed on the inside of the eyeglass, so as to form one of gas curtain on the inside of the eyeglass, the hot and humid gas that face distributes run into gas curtain Afterwards, flowing can be mixed with gas curtain, skiing goggle is flowed out by the air stream outlet, so as to effectively reach mirror antifogging Effect.

By using ansys numerical simulation softwares to the antifog of the antifog skiing goggle of the 3D printing wall attachment effect inner flow passage formula Effect carries out simulation calculating, as a result proves, it is feasible to be carried out using the inner flow passage antifog.

When the anti-fog effect to the antifog skiing goggle of the 3D printing wall attachment effect inner flow passage formula is simulated, air passes through The inner flow passage is flowed into inside the skiing goggle, is flowing out skiing goggle by the air stream outlet, therefore simulated object is described The region of inner flow passage, skiing goggle inside and air stream outlet this three parts composition, and the picture frame, eyeglass, elastic band are not involved in mould Intend calculating.Therefore to the inner flow passage, inside skiing goggle, the region that air stream outlet this three parts are formed extract, after extraction Regional cross section shape it is as shown in Figure 4.Speed cloud atlas after simulation calculates is as shown in Figure 5.

In Fig. 4, the horizontal ultimate range of (15) and (18) is 30mm.Speed cloud atlas shows that the air-flow of flowing is described (14) are with foring the thick gas curtains of 10mm, the flowing speed of gas on the inside of eyeglass on the interface (15) of (11) inside the skiing goggle Degree is less than 0.2m/s.Therefore, the result for simulating calculating shows that it is feasible to be carried out using the inner flow passage antifog.

Making for skiing goggle, its entirety will be printed by the way of 3D printing.This grade of inner flow passage Structure, can also accurately be made using 3D printing technique；Skiing goggle is made using 3D printing technique, can be saved into This, shortens fabrication cycle, can prints within 10 hours, can reach percent for the utilization rate of material Hundred.

Brief description of the drawings

, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of the utility model embodiment The accompanying drawing used is briefly described.

Fig. 1 is 3D printing wall attachment effect inner flow passage formula skiing goggle schematic diagram；

Fig. 2 is inner flow passage schematic diagram；

Fig. 3 is 3D printing wall attachment effect inner flow passage formula skiing goggle profile；

Fig. 4 is inner flow passage, inside skiing goggle, the area schematic that air stream outlet this three parts are formed.

Fig. 5 is the speed cloud atlas after simulation calculates.

Remarks one：

The interface of (14) and (11) inside the skiing goggle on the inside of 15 eyeglasses；

The 16 picture frame lower edges (9) and the interface of (11) inside the skiing goggle；

Along the interface of (8) and (11) inside the skiing goggle on 17 picture frames；

The interface of (11) and (12) outside the skiing goggle inside 18 skiing goggles；

19 circular arc inner flow passages, section abdc；

20 rectangle inner flow passages, section dbfe.

Remarks two：Two edges ag, ch of the inner flow passage outer gas stream entrance (6) export with the inner flow passage outer gas stream (7) two edges fn, em is the curve of bending.For display effect, the degree of crook of edge ag, ch, fn, em in Fig. 1 What is do not represented is particularly evident.

Embodiment

The utility model is described in detail below with reference to accompanying drawing.

With reference to shown in accompanying drawing 1-5, the antifog skiing goggle of 3D printing inner flow passage formula disclosed in the utility model, including eyeglass 1, Picture frame 2, inner flow passage 3, air stream outlet 4, elastic band 5, inner flow passage outer gas stream entrance 6, inner flow passage outer gas stream export 7,8 picture frames Along 12, eyeglass outside 13, eyeglass inner side 14 outside 9, picture frame both ends 10, skiing goggle inside 11, skiing goggle under upper edge, picture frame.

Picture frame 2 divide on picture frame along under 8, circumstances along the 9, three parts of picture frame both ends 10.Inner flow passage is set on picture frame along 8 3, the both ends of inner flow passage 3 are respectively inner flow passage outer gas stream entrance 6, inner flow passage outer gas stream outlet 7；Set under picture frame along 9 Put air stream outlet 4.

Eyeglass 1 is arranged on picture frame 2, and eyeglass 1 divides for 14, eyeglass outside, 13 two parts on the inside of eyeglass.In picture frame 2 and eyeglass The space that side 14 is formed is inside skiing goggle 11, and its complementary space is 12 outside skiing goggle.

Inner flow passage outer gas stream entrance 6 is connected together outside inner flow passage 3 and skiing goggle 12, and inner flow passage outer gas stream goes out Mouth 7 is connected together inside inner flow passage 3 and skiing goggle 11.Air stream outlet 4 connects outside inside skiing goggle 11 and skiing goggle 12 Lead to together.

The both ends of elastic band 5 are arranged on picture frame both ends 10.

Because there is certain level distance inner flow passage outer gas stream outlet 7 and eyeglass inner side 14, therefore when outer gas stream passes through Inner flow passage outer gas stream entrance 6 flows through inner flow passage 3, then behind inner flow passage outer gas stream outlet 7 into inside skiing goggle 11, outside Portion's air-flow, which can be attached on 14 on the inside of eyeglass, to be flowed, 14 on the inside of the eyeglass on produce one of gas curtain, so as to form wall-attached jet effect Should.After the hot and humid gas that face distributes run into gas curtain, flowing can be mixed with gas curtain, flow out and ski by air stream outlet 4 Mirror, so as to effectively have the function that mirror antifogging.

The utility model is simple in construction, overall to be made up of picture frame, eyeglass and elastic band.Only need on picture frame along upper setting Some can produce the inner flow passage of wall attachment effect, you can realize antifog purpose, therefore the utility model practicality is extremely strong.

Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (5)

1. a kind of antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula, including eyeglass (1), picture frame (2), elastic band (5), picture frame Upper edge (8), picture frame lower edge (9), picture frame both ends (10), (11) inside skiing goggle, (12) outside skiing goggle, on the outside of eyeglass (13) and On the inside of eyeglass (14)；The eyeglass (1) is arranged on the picture frame (2)；The sky that (14) surround on the inside of the picture frame (2) and eyeglass Between for (11) inside skiing goggle, remaining space be outside skiing goggle (12)；

Characterized in that, also include inner flow passage (3), air stream outlet (4), inner flow passage outer gas stream entrance (6), inner flow passage outside gas Flow export (7)；The both ends of the inner flow passage (3) are respectively outside the inner flow passage outer gas stream entrance (6) and the inner flow passage Air stream outlet (7)；The inner flow passage (3) set on the picture frame (2), (11) and skiing goggle inside described skiing goggle Outside (12) are connected together；The inner flow passage outer gas stream entrance (6) connects (12) outside skiing goggle and the inner flow passage (3) Lead to together, (11) inside skiing goggle and the inner flow passage (3) are connected together by the inner flow passage outer gas stream outlet (7)； (12) outside (11) inside skiing goggle and skiing goggle are connected together by the air stream outlet (4).

2. the antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula according to claim 1, it is characterised in that the interior stream Road (3) is arranged on the picture frame along on (8), and the air stream outlet (4) is arranged in picture frame lower edge (9).

3. the antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula according to claim 1, it is characterised in that the interior stream Road (3) is circular arc passage, and inner flow passage (3) is the inner flow passage (19) of circular arc and the inner flow passage (20) of rectangular cross-section by section Combine, section is that inner flow passage (19) of circular arc its section is abdc, and inner flow passage (20) of rectangular cross-section its section is bfed；Inner flow passage outer gas stream entrance (6) height ac, gh 1.7-2mm, length ag, the ch 80-85mm of upper and lower two edges； The section is the radian of the radian, i.e. camber line ab, cd of the inner flow passage (19) of circular arc, is 75-90 degree；The rectangular cross-section Inner flow passage (20) width bd, ef 1.2-1.5mm, height de, bf 6.5-7mm；The inner flow passage outer gas stream outlet (7) edge em is parallel with the top edge of (14) on the inside of the eyeglass, and distance is 1-2mm.

4. the antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula according to claim 1, it is characterised in that the air-flow The width of (4) is exported in 1-2mm, penetrates the picture frame lower edge (9).

5. the antifog skiing goggle of 3D printing wall attachment effect inner flow passage formula according to claim 1, it is characterised in that the elastic force Band (5) is arranged on the picture frame both ends (10).