WO2019107702A1 - Pressure-balanced double lens unit and double lens goggle including same - Google Patents

Abstract

Provided are a pressure-balanced double lens unit and a double lens goggle including same. The double lens unit comprises: a lens frame having an opening formed therein; an outer gasket adhered to one surface of the lens frame; an outer lens adhered to one surface of the outer gasket; one or more first air tunnels which are formed of fiber and disposed between the outer lens and the outer gasket or between the outer gasket and the lens frame; an inner gasket adhered to the other surface of the lens frame; and an inner lens adhered to the other surface of the inner gasket.

Description

Pressure balanced double lens unit and a double lens goggle including the same

The present invention relates to a pressure balanced double lens unit for a high ground goggle such as a snow goggle, a ski goggle and the like, and a double lens goggle including the same.

Snow goggles or ski goggles are generally used to protect the user's eyes from wind, ultraviolet rays, snow, etc., and to ensure a clear view. It is generally used in both low-air areas with relatively high air and low-air areas to be. For example, a ski goggle user generally stays in a lowland area, then rides on a cable car, lift, etc., and then goes back to the lowland with skiing.

Also, snow goggles and ski goggles are mainly used in cold weather in the winter. In winter, goggles have a large difference between the outside temperature and the inside temperature of the goggles, so that the goggles, frosts, A double lens system is used, and a fogging or the like is prevented from being caught by a method of anti-fogging the inner lens surface.

On the other hand, in the case of using the double lens, the air layer between the outer lens and the inner lens serves as a heat insulating layer so that the surface temperature of the inner lens does not fall below the dew point and fogging does not occur. However, There is a possibility that the lens is deformed by the air pressure difference due to the amount of air.

Therefore, it is required to study goggles which can prevent deformation of lenses in highlands and lowlands while preventing fogging in cold winter.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a double lens unit and a double lens goggle including the double lens unit for preventing fogging caused by external cold air in a snow goggle or a ski goggle, have.

It is another object of the present invention to provide a double lens unit and a double lens goggle which can prevent the lens from being deformed during a movement between the low and high altitudes or between them.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method of manufacturing the same.

According to an aspect of the present invention, there is provided a double lens unit comprising a lens frame having an opening formed therein, an outer gasket bonded to one surface of the lens frame, an outer lens bonded to one surface of the outer gasket, At least one first air tunnel formed between the lens and the outer gasket or between the outer gasket and the lens frame, an inner gasket adhered to the other surface of the lens frame, and an inner lens bonded to the other surface of the inner gasket, .

In addition, the first air tunnel is formed of two pieces and is formed at a position facing each other.

The first air tunnel may be disposed at a position corresponding to a side surface of the outer lens.

In addition, the first air tunnel may be positioned on the side surface of the outer lens at two or more positions facing each other.

At least one of the outer gasket and the inner gasket may be in the form of a foam composed of an air cell.

The first air tunnel may further include at least one second air tunnel formed between the lens frame and the inner gasket or between the inner gasket and the inner lens, wherein the first air tunnel increases in fineness toward the inner side, And the fineness of the second air tunnel increases toward the outer side.

The horizontal cross section of the lens frame is covered by the horizontal cross section of the outer lens, and the horizontal cross section of the inner lens is covered by the horizontal plane formed by the outermost line of the lens frame .

The lens frame may include a region contacting the outer gasket in an area outside the inner opening of the lens frame and a first protruding region spaced apart from and facing the outer lens without contacting the outer gasket. can do.

The first protruding region may extend toward an outer region of a closed curve formed by the outer gasket to form a closed curve.

The lens frame forms a closed curve while extending toward an area outside the inner opening of the lens frame in contact with the inner gasket and an outer area of a closed curve formed by the inner gasket without contacting the inner gasket And a second protruding region.

According to an aspect of the present invention, there is provided a double lens goggle comprising a lens frame having an opening formed therein, an outer gasket bonded to one surface of the lens frame, an outer lens bonded to one surface of the outer gasket, At least one first air tunnel formed between the lens and the outer gasket or between the outer gasket and the lens frame, an inner gasket adhered to the other surface of the lens frame, and an inner lens bonded to the other surface of the inner gasket, And a goggle frame including an opening and into which the double lens unit is inserted, the goggle frame including a coupling groove into which at least a part of the lens frame of the double lens unit is inserted.

The coupling groove may be formed as a line inside the opening of the goggle frame and may correspond to the rim of the lens frame.

The lens frame may include a region in contact with the outer gasket in an area other than the inner opening of the lens frame and a first projecting area spaced apart from and facing the outer lens without being in contact with the outer gasket, 1 protruding regions are inserted into the coupling grooves.

The first protruding region may extend toward an outer region of a closed curve formed by the outer gasket to form a closed curve.

The lens frame forms a closed curve while extending toward an area outside the inner opening of the lens frame in contact with the inner gasket and an outer area of a closed curve formed by the inner gasket without contacting the inner gasket And at least a part of the second protruding region is inserted into the coupling groove.

Further, the opening of the goggle frame may have a smaller opening area toward the inner lens from the outer lens.

In addition, since at least a part of the lens frame is inserted into the engagement groove, an area outside the inner opening of the outer gasket located in the space between the outer lens and the lens frame is separated from the area outside the inner opening of the inner gasket .

The details of other embodiments are included in the detailed description and drawings.

According to the embodiments of the present invention, at least the following effects are obtained.

The double lens unit according to the present invention and the double lens goggle including the same can prevent the user from generating fogging due to the external cold air even when the goggles are used in a ski resort in cold winter,

In addition, the double lens unit and the double lens goggle including the same according to the present invention can prevent the lens from being deformed while moving from a low place, a high place, a low place to a high place by using a pressure balanced double lens unit, or moving from a high place to a low place .

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the specification.

1 is a perspective view of a double lens unit according to an embodiment of the present invention.

Fig. 2 is a schematic exploded perspective view of the double lens unit of Fig. 1;

3 is a cross-sectional view of the double lens unit of FIG. 1 taken along line A-A ';

4 is a cross-sectional view of the double lens unit of FIG. 1 taken along line B-B '.

5 is a perspective view showing a double lens unit according to another embodiment of the present invention.

6 is a cross-sectional view of the double lens unit of FIG. 5 cut along C-C '.

7 is a perspective view illustrating a double lens unit according to another embodiment of the present invention.

8 is a perspective view showing a double lens unit according to another embodiment of the present invention.

9 is a cross-sectional view of the double lens unit of FIG. 8 cut along the line D-D '.

10 is a cross-sectional view of the double lens unit of FIG. 8 cut along the line E-E '.

11 is a schematic perspective view of a double lens goggle according to an embodiment of the present invention.

12 is a schematic exploded perspective view of the double lens goggles according to FIG.

[Description of Symbols]

V: User's eyes

10: External lens

20: Lens frame

30: Inner lens

40: Outside gasket

50: Inner gasket

60, 61, 62, 63, 64, 66, 67: a first air tunnel

68, 69: second air tunnel

100: Double lens unit

200: Goggles frame line

210: coupling groove

220:

300: Goggles frame

400: Band

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification. The dimensions and relative sizes of layers and regions in the figures may be exaggerated for clarity of illustration.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" Can be used to easily describe a correlation with a device or components. In the present specification, the term "one surface" means a surface in one direction spatially, and "another surface " means a surface opposite to the" one surface "spatially, And may be used to easily describe the correlation with other elements or components.

Although the first, second, etc. are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are used only to distinguish one component from another. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical scope of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view schematically showing a double lens unit according to an embodiment of the present invention, and FIG. 2 is a schematic exploded perspective view of the double lens unit of FIG. FIG. 3 is a cross-sectional view of the double lens unit of FIG. 1 taken along line A-A ', and FIG. 2 is a cross-sectional view of the double lens unit of FIG. 1 taken along line B-B'.

1 to 4, the double lens unit 100 includes a lens frame 20 having an opening formed therein, an outer gasket 40 adhered to one surface of the lens frame 20, At least one first air tunnel formed of fibers between the outer lens 10 and the outer gasket 40 or between the outer gasket 40 and the lens frame 20, An inner gasket 50 adhered to the other surface of the lens frame 20 and an inner lens 30 adhered to the other surface of the inner gasket 50. 1 to 4 illustrate that the first air tunnel 60 is positioned between the outer lens 10 and the outer gasket 40 but the present invention is not limited thereto. And can be formed between the lens frames 20.

It should be understood that the double lens unit 100 and the double lens units according to various embodiments to be described below are mounted on the double lens goggles to be described later. The double lens goggles may be snow goggles or ski goggles, And can be used without limitation in goggles used for highland use.

On the other hand, the outer lens 10 is located at the outermost side of the double lens unit, and functions to protect the user's eyes from wind, ultraviolet rays, snow, etc. from the outside. As a non-limiting example, the outer lens 10 may have a high visible light transmittance and a high ultraviolet light shielding property for securing a clear view, and the outer lens 10 may be made of polycarbonate (polyvinyl chloride) to improve impact resistance and scratch resistance PolyCarbonate, PC). In addition, ultraviolet ray shielding treatment, anti-glare treatment, anti-fog treatment and the like can be performed if necessary.

Meanwhile, the inner lens 30 may be formed of a soft material capable of imparting anti-fog properties along with workability. For example, a triacetyl cellulose (TAC) film , Cellulose propionate (CP) film, and the like. Also, the inner lens 30 can perform optical function processing such as anti-fog processing as needed.

The inner lens 30 may be disposed substantially parallel to the outer lens 10 while being spaced apart from each other by an outer gasket 40, a lens frame 20, and an inner gasket 50, have. That is, the outer lens 10 and the inner lens 30

They may be disposed substantially parallel to each other and may be disposed in such a manner that one surface of the outer gasket 40 and another surface of the inner gasket 50 are adhered to each other, have.

As described above, the outer lens 10 may be made of a material resistant to an external impact, and the inner lens 30 may be made of a soft material capable of imparting anti-fog As shown in FIG.

At least one of the outer gasket 40 and the inner gasket 50 may be in the form of a foam composed of an air cell. Preferably, the outer gasket 40 and the inner gasket 50 ) May be in the form of a foam composed of both air cells. The outer gasket 40 and / or the inner gasket 50 may be made of, but not limited to, an ethylene propylene diene monomer rubber (EPDM rubber) or an ethylene-vinyl acetate copolymer (EVA) .

Since the outer gasket 40 and / or the inner gasket 50 are formed in the form of a foam composed of an air cell, the first air tunnel 60 having excellent compressibility and stretchability and the second air tunnel 60 having a second It is possible to make it easier to form the second air tunnel when it further includes the air tunnel. However, the present invention is not limited thereto and may be composed of other polymer resin as required.

Meanwhile, the outer gasket 40 and / or the inner gasket 50 may have the same shape as a closed curve whose interior is empty. Thus, it is possible to prevent the outside air from easily penetrating between the outer lens 10 and the inner lens 30. That is, the outer gasket 40 adhered to the outer line of the outer lens 10, the lens frame 20 adhered thereto and formed with the opening, the inner gasket 50 and the inner gasket 50 adhered to the lens frame 20, An air layer may be formed between the outer lens 10 and the inner lens 30 by a space formed by the inner lens 30 adhered to the inner lens 30. A heat insulating layer is formed by the air layer, and external cold air is prevented from being directly transferred to the inner lens 30 by the heat insulating layer, thereby preventing occurrence of fogging and sexual exploitation.

More specifically, the outer gasket 40 is bonded to the lens frame 20 having an opening formed therein, and the outer lens 10 is bonded to one surface of the outer gasket 40. That is, it will be understood that the outer gasket 40 is adhered to the rim of the other surface of the outer lens 10. Thereby, the external lens 10 is indirectly adhered to the lens frame 20. An inner gasket 50 is adhered to the other surface of the lens frame 20 and an inner lens 30 is adhered to the other surface of the inner gasket 50. That is, it will be understood that the inner gasket 50 is adhered to the rim portion of one surface of the inner lens 30. As a result, the inner lens 30 is indirectly adhered to the lens frame 20, and a heat insulating layer formed of an air layer is formed between the inner lens 30 and the outer lens 10. As described above, a heat insulating layer is formed by the air layer, and the external cold air can be prevented from being directly transferred to the inner lens 20, thereby preventing fogging and malaise.

On both sides of the outer gasket 40 and both surfaces of the inner gasket 50, an adhesive layer including an adhesive, a double-sided tape, or other adhesive component may be formed, though not shown separately in the drawings. The outer lens 10, the outer gasket 40, the lens frame 20, the inner gasket 50 and the inner lens 30 can be bonded to each other, Can be prevented.

On the other hand, the first air tunnel 60 may be formed of fibers, for example, a plurality of strands of fibers. An air tunnel is formed through the passage between the yarn and the yarn of the twisted fibers so that the air can be vented to the outside. Meanwhile, as a non-limiting example, the fibers forming the first air tunnel 60 may be nylon yarn, polyester yarn, acrylic yarn, filament yarn, glass yarn or the like, or one or two kinds of these fibers. The total fineness of the fibers may range from 50 to 2000 denier and the monofilament fineness may be from 0.1 to 100 denier, but is not limited thereto.

The air layer formed between the outer lens 10 and the inner lens 20 can be minutely ventilated and vented by the first air tunnel 60. The first air tunnel 60 can be ventilated and vented between the outer and inner air layers as described above to effectively prevent the double lens unit 100 from being distorted or deformed by the air pressure difference between the low and high altitudes can do. That is, the double lens unit 100 can be prevented from being deformed by preventing the occurrence of fogging or sexual exploitation due to the inflow of external air, while allowing only a minimum amount of air to flow. That is, the first air tunnel 60 made of fibers is normally pressed by the outer gaskets 40 to prevent venting to the outside, but when a difference in air pressure occurs, It is possible to prevent the double lens unit 100 from being deformed.

On the other hand, in the case of ascending to a high ground in a low area, the amount of external air is relatively smaller than that in the low area, so that the air layer formed by the external lens 10, the internal lens 30, The double lens unit 100 may be deformed. In this case, the air in the air layer may be released to the outside by the first air tunnel 60 to prevent the double lens unit 100 from being deformed . That is, the internal air pressure increases due to the force of the air inside the air layer expanding, whereby the air is discharged to the outside through the first air tunnel 60 to balance the air pressure between the outside and the inside, Deformation of the unit 100 can be prevented.

On the other hand, when descending from the high altitude to the low altitude, the amount of the external air gradually increases, so that the air pressure inside the air layer is relatively reduced and the double lens can shrink. The external air is introduced into the air layer by the first air tunnel So that the air pressure balance between the outside and the inside can be matched, thereby preventing the double lens unit 100 from being deformed. In particular, considering the use of goggles by skiers or snowboarders, it is possible to very effectively control the difference in air pressure between the inside and the outside of the airplane, while rapidly descending from the highlands to the lowlands.

It is possible to prevent the fogging phenomenon and the malaise by the first air tunnel 60 described above and to prevent the double lens unit 100 from being deformed by the first air tunnel or the first air tunnel 60 2 < / RTI > air tunnels, and overlapping descriptions will be omitted below.

The first air tunnel 60 is formed between the outer lens 10 and the outer gasket 40. The first air tunnel 60 is formed between the outer lens 10 and the outer gasket 40 so that the humid air between the inner lens 30 and the user's face is held between the outer lens 10 and the inner lens 30 Can be prevented from flowing into the air layer. That is, since the first air tunnel 60 is disposed near the exterior with respect to the user's face, the air introduced into the air layer between the external lens 10 and the internal lens 30 can be restricted to the external air will be.

In general, since the goggles are used in combination with a goggle frame made of a foam, a rubber material, or a polymer material so as to prevent external air or snow from directly touching the user's eyes, There may be a certain space that is blocked from the outside. In this way, relatively humid air can remain in a constantly enclosed space defined by the face, including the user's eyes, and between the inner lens and the goggle frame. If such relatively humid air is introduced into the air layer between the outer lens 10 and the inner lens 30, a large amount of moisture can be introduced into the air layer, whereby the inner lens 30 Or the external lens 10 may be fogged or water droplets may be formed.

More specifically, as described above, when the user moves from low to high altitude, air escapes from the air layer between the outer lens 10 and the inner lens 30 to the outside, and when the user moves from the high altitude zone to the low altitude zone When moving, external air flows into the air layer between the external lens 10 and the internal lens 30. At this time, moisture-rich air in the vicinity of the user's face through the first air tunnel 60 flows into the air layer If this happens, fogging or droplet condensation may occur. The double lens unit 100 according to the present invention is arranged such that the position of the first air tunnel 60 is disposed between the outer lens 10 and the outer gasket 40 so that air with a high humidity is introduced into the vicinity of the user's face The effect of preventing fogging can be maximized. That is, when the user moves from the high altitude zone to the low altitude zone, the air layer between the outer lens 10 and the inner lens 30 inflows external air having a relatively low humidity relative to the air in the vicinity of the user's face, Can be solved.

The horizontal cross section of the lens frame 20 is covered by the horizontal cross section of the outer lens 10 and the horizontal cross section of the inner lens 30 is formed by the outermost line of the lens frame 20 And are all covered by a horizontal plane. The outer lens 10 covers the entire horizontal cross section of the lens frame 20 so that when the double lens unit 100 is mounted on the double lens goggles and used, Can be improved. In addition, it is possible to prevent dust, water, or the like, which may enter the inside of the double lens goggles, from entering from outside.

When the double lens unit 100 is coupled to the lens frame 20, which will be described later, by covering the horizontal section of the inner lens 30 by the horizontal plane formed by the outermost line of the lens frame 20, The area between the frame 20 and the user's face and the area between the outer lens 10 and the lens frame 20 can be distinguished so that the air in the vicinity of the user's face can be separated from the outer lens 10 and the lens frame 20 To the first air tunnel 60 located between the first air tunnel 60 and the first air tunnel 60.

The lens frame 20 is disposed in a region outside the inner opening of the lens frame 20 in contact with the outer gasket 40 and a region in contact with the outer lens 10 while being in contact with the outer gasket 40, And a first protruding region. The first protruding region is formed between the lens frame 20 and the outer lens 10 at the outer portion of the outer gasket 40, that is, at the outer portion separated from the air layer formed by the outer lens 10 and the inner lens 30 Thereby facilitating the inflow and outflow of the inside and the outside air, thereby effectively preventing the double lens unit 100 from being warped.

That is, when the double lens unit 100 is coupled to a goggle frame to be described later, the goggle frame may be formed of an elastic material, and the goggle frame and the external lens 10 may be substantially in contact with each other, It is possible to prevent damage due to an external impact and to allow a certain space to be provided to facilitate the inflow and outflow of inside and outside air.

Also, the first protruding region may extend toward the outer region of the closed curve formed by the outer gasket 4 to form a closed curve. The space formed between the outer lens 10 and the lens frame 20 is completely separated from the space formed between the inner lens 30 and the lens frame 20 so that air or dust, It can be prevented from being directly transmitted. That is, at least a part of the first protruding region forming the closed curve is inserted into the coupling groove of the goggle frame so that a space formed between the outer lens 10 and the lens frame 20 is interposed between the inner lens 30 and the lens frame 20 And it is possible to prevent the user from feeling inconvenience from external factors.

The lens frame 20 has a region in contact with the inner gasket 50 in an area other than the inner opening of the lens frame 20 and a region in which the inner gasket 50 does not contact the inner gasket 50 And a second protruding region extending toward the outer region of the closed curve to form a closed curve. When the double lens unit 100 is coupled to the double lens goggle to be described later, a part of the second projecting area of the lens frame 20 is inserted into the coupling groove formed in the goggle frame, And the area between the outer lens 10 and the lens frame 20 can be distinguished from each other so that the air having a large amount of moisture in the vicinity of the user's face is separated into the first air It is possible to effectively block the entry into the tunnel 60. In addition, when the second projecting region of the lens frame 20 forms a closed curve, at least a part of the second projecting region is inserted into the coupling groove of the goggle frame, so that the region between the lens frame 20 and the vicinity of the user's face, (10).

However, as a non-limiting example, the first protruding region and the second protruding region may be structured such that only a part of the first protruding region and the second protruding region protrude and are coupled to the goggle frame.

Meanwhile, the first protruding region and the second protruding region may be overlapped with each other in a horizontal section, and the ends of the first protruding region and the second protruding region may be connected to each other. As a result, at least a part of the first projecting region and at least a part of the second projecting region are inserted into the coupling groove of the goggle frame together, thereby maximizing the effect of the first projecting region and the effect of the second projecting region . That is, the lens frame 20 is fixed to the outer gasket 40 and the inner gasket 50 at a portion where the outer gasket 40 and the inner gasket 50 are in contact with each other, And the protruding portion is coupled to the coupling groove of the goggle frame.

Hereinafter, the double lens unit according to another embodiment of the present invention will be described with reference to other drawings, and the configurations described above may be applied except for the configurations of different embodiments, Can be obtained is a duplicate description and will not be described separately.

FIG. 5 is a perspective view of a double lens unit according to another embodiment of the present invention, and FIG. 6 is a cross-sectional view of the double lens unit of FIG. 5 cut along C-C '.

Referring to FIGS. 5 and 6, the double lens unit may include two first air tunnels 61 and 62 and may be formed at positions opposite to each other. The first air tunnels 61 and 62 are formed at positions opposite to each other so that the air pressure can be balanced on both sides of the double lens unit and the double lens unit can be more effectively prevented from being deformed due to the difference in air pressure. Further, by arranging the fibers so that the first air tunnels (61, 62) face each other in the process of manufacturing the double lens unit and cutting the fibers not in contact with the external gasket (40) So that it is possible to fully enjoy the advantages of the manufacturing process.

The process of forming the first air tunnels 61 and 62 in the process of manufacturing the double lens goggles according to an embodiment of the present invention will be briefly described. The fibers for forming the first air tunnels 61 and 62 may be fixed on both sides of the surface on which the external lens 10 is attached or the external gasket 40 may be fixed to the lens frame 20, And then removing the fibers present on the open portion inside the outer gaskets 40. [0034] When the first air tunnels 61 and 62 are positioned opposite to each other, the first air tunnels 61 and 62 can be manufactured through a process of cutting the first air tunnels 61 and 62 so that the first air tunnels 61 and 62 can be easily positioned without shifting at a desired position.

The first air tunnels 61 and 62 are provided between the outer lens 10 and the outer gasket 40 or between the outer gasket 40 and the lens frame 20, As shown in FIG. The side surface of the external lens 10 refers to the upper side of the head and the lower side of the head when the user wears the double lens goggles and the side portion of the outer lens 10 located on both sides of the user's eye You will understand.

Since the first air tunnels 61 and 62 are located on the side surfaces of the outer lens 10, the external factors, that is, the moisture that can be introduced by the outside, So that it can be prevented from flowing into the air layer. As described above, the first air tunnels 61 and 62 can be used as an air passage through which the outside is communicated with air. If moisture is present in the outside, moisture can also be introduced. In the case of goggles, snow or rainwater may be present on the upper side of the exterior of the goggles due to the use form or external environmental factors. Since the first air tunnels 61 and 42 are located on the side surface of the external lens 10, It is possible to prevent moisture from flowing into the inner air layer directly through the first air tunnels 61 and 42 together with the air. In addition, it is also possible to effectively prevent inflow of moisture that can be formed on the lower side of the outer lens 10 or inflow of moisture-rich air generated from the mouth of the user. In other words, since the side portion of the outer lens 10 is a structure in which the snow or rainwater does not accumulate and flows downward or flows downward, and the distance from the user's mouth is large, a large amount of water It is possible to minimize the inflow of air into the inner air layer between the outer lens 10 and the inner lens 30. Furthermore, when the snow comes or rains, the effect of preventing the inflow of moisture into the air layer as described above can be maximized.

Referring to FIG. 1 again, it is possible to enjoy the same effect as that described above with reference to FIG. 5 by being located on the side surface of the external lens 10 even when only one first air tunnel 60 is formed I do not need to be self-evident.

7 is a perspective view showing a double lens unit according to another embodiment of the present invention.

Referring to FIG. 7, the first air tunnels 63 and 64 may be located on opposite sides of the outer lens 10 such that two or more of the first air tunnels 63 and 64 face each other. That is, for example, they may exist in three pairs at positions facing each other as shown in Fig. However, the present invention is not limited thereto, and the number thereof can be appropriately adjusted as needed.

When two or more first air tunnels (63, 64) exist on opposite sides of the outer lens, the distance through which the air moves can be dispersed to prevent the water droplet cohesion speed from being increased due to moisture. For example, the outside air may contain some moisture. If there are two or more passages through which air moves on each of the two sides, moisture of the outside air may be dispersed to slow or prevent the condensation of water.

However, when a plurality of the first air tunnels 63 and 64 are installed, the fineness of the fibers may be adjusted to prevent the air in the inner air layer from easily escaping to the outside, It is possible to prevent the condensation phenomenon of water and to produce an effect equivalent to the case where the first air tunnels 63 and 64 are fewer.

8 is a perspective view of a double lens unit according to another embodiment of the present invention. FIG. 9 is a cross-sectional view of the double lens unit of FIG. 8 taken along line D-D ' Sectional view of the double lens unit of Fig. 8 cut along E-E '.

8-10, at least one second air tunnel 68 formed of fibers between the lens frame 20 and the inner gasket 50 or between the inner gasket 50 and the inner lens 20 , 69). Also, the fineness of the first air tunnels 66 and 67 increases toward the inner side, and the fineness of the second air tunnels 68 and 69 increases toward the outer side.

That is, the first air tunnels 66 and 67 are located between the outer lens 10 and the outer gasket 40 or between the outer gasket 40 and the lens frame 20, and the inner lens 30 and the inner gasket 50 The second air tunnels 68 and 69 can be positioned between the inner gasket 50 and the lens frame 20 and the fineness of the first air tunnels 66 and 67 can be adjusted by adjusting the positions of the second air tunnels 68 and 69. [ The fineness increases toward the air layer formed between the outer lens 10 and the inner lens 30 and the fineness of the second air tunnels 68 and 69 increases from the air layer toward the outer side, that is, toward the outer side. The fineness of the first air tunnels 66 and 67 at the inner portion directly contacting the portion where the air layer between the outer lens 10 and the inner lens 30 is formed is higher than the fineness of the second air tunnels 68 and 69 And the fineness of the first air tunnels 66 and 67 in the portion where the double lens unit is in direct contact with the outside air may be lower than the fineness of the second air tunnels 68 and 69.

In another embodiment, the first air tunnels 66 and 67 have a high degree of fineness only at a portion where they contact the air layer formed between the outer lens 10 and the inner lens 30, The fineness can be high only at the portion where it comes into contact with the outside air. That is, the fineness can be increased or decreased gradually as described above, but the fineness can be increased only at a specific position.

The air discharged to the outside from the air layer by adjusting the fineness of the first air tunnels 66 and 67 and the second air tunnels 68 and 69 is relatively higher than the first air tunnels 66 and 67 The air flowing into the air layer from the outside can be made to pass through the first air tunnels 66 and 67 relative to the second air tunnels 68 and 69 through the tunnels 68 and 69 Can be adjusted to allow more inflow. As a result, it is possible to prevent air having a high humidity between the inner lens 30 and the user's face from being introduced into the air layer as much as possible while preventing inflow and outflow of air only in specific air tunnels, Can be reduced more efficiently.

More specifically, in the portion where the fineness is relatively high, it is difficult for the air to move, and when the same pressure is applied, it is easy for the moving air to pass through the portion having a relatively high fineness . For example, when moving from a lowland to a highland, the internal air pressure of the air layer is increased and air is discharged to the outside. In the portion directly contacting the internal air layer, the first air tunnels 66 and 67 have high fineness, Since the portion of the second air tunnels 68 and 69 is relatively low in fineness compared to the first air tunnels 66 and 67, the air in the air layer may be easier to advance in the direction of the second air tunnels 68 and 69 . Although the portion located on the outer side surface of the second air tunnels 68 and 69 has a high degree of fineness, since the moving air is easier to pass even in the portion having a higher fineness than the air in the relatively stationary state, It is easy to proceed in the directions of the tunnels 68 and 69.

On the other hand, when moving from the high altitude zone to the low zone, the air pressure of the air layer is lowered so that the outside air tends to flow into the air layer. In the portion directly contacting the outside, It is possible to prevent the high humidity air between the inner lens 30 and the user's face from flowing into the air layer.

Hereinafter, the double lens goggles will be described. In the following double lens goggles, the double lens unit 100 of the above-described various embodiments may be applied.

FIG. 11 is a schematic perspective view of a double lens goggle according to an embodiment of the present invention, and FIG. 12 is a schematic exploded perspective view of the double lens goggles of FIG. The double lens unit 100 used in the double lens goggles of FIGS. 11 and 12 is the double lens unit 100 described in FIGS. 1 to 4. FIG.

11 and 12, a double lens goggle according to an embodiment of the present invention includes a lens frame 20 having an opening formed therein, an outer gasket 40 adhered to one surface of the lens frame 20, An outer lens 10 bonded to one side of the gasket 40 and at least one fiber formed between the outer lens 10 and the outer gasket 40 or between the outer gasket 40 and the lens frame 20 (Not shown) bonded to the other surface of the inner gasket 50 and the inner gasket 50 adhered to the other surface of the lens frame 20, And a goggle frame (300) including an opening and into which the double lens unit is inserted, wherein the goggle frame (300) comprises a coupling groove in which at least a part of the lens frame (20) of the double lens unit is inserted 210).

An area other than the inner opening of the outer gasket 40 located in the space between the outer lens 10 and the lens frame 20 by inserting at least a part of the lens frame 20 into the engaging groove 210 is located inside And the gasket 50 may be separated from an area outside the inner opening of the gasket 50. That is, the inner gasket 40 and the inner gasket 50 form an air layer between the outer lens 10 and the inner lens 30, and the air gap between the outer lens 10 and the inner lens 30 is formed inside the opening of the goggle frame 300 The existing regions can be separated by inserting at least a part of the lens frame 20 into the coupling groove 210.

The goggle frame 300 may be formed with band fixing parts 220 extending from both sides of the goggle frame 300 and the band fixing part 220 may be formed with bands 400 may be fixed. Although not shown in the drawing, a foam frame (not shown) for blocking external snow, rain, wind, and the like from being transmitted to the user's eyes is provided on one surface of the goggles frame 300 And the frame foam may have a shape corresponding to a face shape of a person or a shape corresponding to a user's face contour. As a non-limiting example, the goggle frame 300 itself is formed of an elastic material and has a shape corresponding to the contour of the user's face. When the user wears the double lens goggles and closely contacts the face with the band 400, Can be blocked from the outside.

The goggle frame 300 may include a goggle frame line 200 protruding from an outermost portion of the goggle frame 300 in contact with the outer lens 10. As described above, the outer lens 10 can have a larger area on the double lens unit than other structures, and dust or moisture from the outside can be prevented from entering the user's inner or inner elements, The gap between the outer lens 10 and the goggle frame 300 can be prevented by the goggle frame line 200 protruding from the outermost portion so as to more effectively prevent contamination or moisture from entering from the outside. The band fixing part 220, the frame foam (not shown), the band 400, and other elements constituting the double lens goggles are well known in the art, and will not be described in detail.

The coupling groove 210 may be formed in a line inside the opening of the goggle frame 300 to correspond to the rim of the lens frame 20. Thus, the lens frame 20 can be coupled and fixed so that the double lens unit can be coupled and fixed on the goggle frame 300. The coupling groove 210 may be formed as a closed curve line inside the opening of the goggle frame 300 so that the double lens unit is coupled to the lens frame 20, The inner lens 30 and the lens frame 20 can be separated from each other.

The lens frame 20 is spaced apart from the outer lens 10 in a region outside the inner opening of the lens frame 20 and in contact with the outer gasket 40, And at least a part of the first protruding region is inserted into the coupling groove (210). A space is formed between the lens frame 20 and the outer lens 10 in the outer region of the outer gasket 40 by the first projecting region to alleviate the external impact, The air can be easily flowed in and out of the air layer between the inner lens 30 and the inner lens 30, thereby effectively preventing the double lens unit 100 from being warped.

The first projecting region of the lens frame 20 may extend toward the outer region of the closed curve formed by the outer gasket 40 to form a closed curve. It will be understood that the coupling groove 210 is formed as a closed curve line inside the opening of the goggles frame 300 and the first projecting region is coupled to the coupling groove 210 to define a space.

The lens frame 20 has a region in contact with the inner gasket 20 in an area outside the inner opening of the lens frame 20 and a region in which the inner gasket 20 is not in contact with the inner gasket 20 And a second protruding region extending toward the outer region of the closed curve to form a closed curve, wherein at least a portion of the second protruding region is inserted into the coupling groove.

At least a part of the second projecting region of the lens frame 20 is inserted into the coupling groove 210 formed in the goggle frame 300 so that the area between the lens frame 20 and the user's face, It is possible to distinguish the area between the lens frames 20 so that the air having a large amount of moisture in the vicinity of the user's face is introduced into the first air tunnel 60 located between the external lens 10 and the lens frame 20 Can be blocked.

Alternatively, the first protruding region and the second protruding region may have a structure in which only a part of the first protruding region and the second protruding region protrude and are coupled to the goggle frame 300. In addition, the first protruding area and the second protruding area have a shape of a closed curve, and in particular, a portion protruding toward the coupling groove 210 exists separately, so that the double lens unit is fixed more firmly on the goggle frame 300 .

The opening 210 of the goggle frame 300 may have a smaller opening area toward the inner lens 30 in the outer lens 10, But may be a shape that gradually decreases. Accordingly, the viewing angle can be maximized and the aesthetics can be improved while the outer lens 10 is disposed. As the lens becomes closer to the inner side, that is, closer to the user's face, the outer contaminants and moisture can reach the user's face It is possible to effectively prevent the inner lens 30 and the air containing a large amount of moisture in the vicinity of the user's face from moving toward the vicinity of the outer lens 10. [ In addition, by making the area of the opening near the user's face relatively narrow, the area of the goggle frame 300 that can be brought into close contact with the user's face can be ensured and the adhesion can be enhanced.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

Claims (17)

1. A lens frame having an opening formed therein;

   An outer gasket adhered to one surface of the lens frame;

   An outer lens bonded to one surface of the outer gasket;

   At least one first air tunnel formed of fibers between the outer lens and the outer gasket or between the outer gasket and the lens frame;

   An inner gasket adhered to the other surface of the lens frame; And

   And an inner lens bonded to the other surface of the inner gasket.
2. The method according to claim 1,

   Wherein the first air tunnel is composed of two, and is formed at a position facing each other.
3. The method according to claim 1,

   Wherein the first air tunnel is disposed at a position corresponding to a side surface of the outer lens.
4. The method according to claim 1,

   Wherein the first air tunnel is located at a distance of two or more from the side of the outer lens, facing each other.
5. The method according to claim 1,

   Wherein at least one of the outer gasket and the inner gasket is in the form of a foam composed of an air cell.
6. The method according to claim 1,

   Further comprising at least one second air tunnel formed of fibers between the lens frame and the inner gasket or between the inner gasket and the inner lens,

   Wherein the first air tunnel increases in fineness toward the inside and the fineness increases toward the outside of the second air tunnel.
7. The method according to claim 1,

   The horizontal cross section of the lens frame is covered by the horizontal cross section of the outer lens,

   Wherein a horizontal cross section of the inner lens is covered by a horizontal plane formed by an outermost line of the lens frame.
8. The method according to claim 1,

   Wherein the lens frame includes a region in contact with the outer gasket in an area outside the inner opening of the lens frame and a first projection area spaced apart from and facing the outer lens without contacting the outer gasket. Lens unit.
9. 9. The method of claim 8,

   Wherein the first protruding region extends toward an outer region of a closed curve formed by the outer gasket to form a closed curve.
10. The method according to claim 1,

    Wherein the lens frame has an area in contact with the inner gasket at an area outside the inner opening of the lens frame and a second area extending from the inner gasket to an outer area of a closed curve formed by the inner gasket, And a protruding region.
11. An outer lens bonded to one surface of the outer gasket, a lens bonded to the outer lens and the outer gasket or between the outer gasket and the lens frame, A double lens unit including at least one or more first air tunnels formed, an inner gasket bonded to the other surface of the lens frame, and an inner lens bonded to the other surface of the inner gasket; And

    And a goggle frame including an opening and into which the double lens unit is inserted and coupled,

    Wherein the goggle frame includes a coupling groove into which at least a part of the lens frame of the double lens unit is inserted.
12. 12. The method of claim 11,

    Wherein the coupling groove is formed in a line inside the opening of the goggles frame and corresponds to the rim of the lens frame.
13. 12. The method of claim 11,

    Wherein the lens frame includes a region in contact with the outer gasket in an area outside the inner opening of the lens frame and a first projection area spaced apart from and facing the outer lens without contacting the outer gasket, Wherein at least a part of the region is inserted into the engaging groove.
14. 14. The method of claim 13,

    Wherein the first protruding region extends toward an outer region of a closed curve formed by the outer gasket to form a closed curve.
15. 12. The method of claim 11,

    Wherein the lens frame has an area in contact with the inner gasket at an area outside the inner opening of the lens frame and a second area extending from the inner gasket to an outer area of a closed curve formed by the inner gasket, And includes a protruding region,

    And at least a part of the second projecting region is inserted into the coupling groove.
16. 12. The method of claim 11,

    Wherein an opening of the goggle frame has a smaller opening area toward the inner lens from the outer lens.
17. 12. The method of claim 11,

    And at least a part of the lens frame is inserted into the engagement groove

    Wherein an area outside the inner opening of the outer gasket located in the space between the outer lens and the lens frame is different from an area outside the inner opening of the inner gasket.

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