KR101481980B1 - A protective glasses for welding - Google Patents

Abstract

The present invention relates to a welding safety goggle for correcting a visual acuity, which is detachably detachably attached to a welding mask and has a proper dioptric power according to an operator's visual acuity, A lens 160 fixed to the surface of the first glass panel 110 by a lens fixing means and fixed to the surface of the first glass panel 110; A second glass panel 120 installed parallel to the panel 110 and a gap provided between the first glass panel 110 and the second glass panel 120 to maintain the gap d. And a frame member surrounding at least two side end outer surfaces of the first glass panel 110 and the second glass panel 120.

Description

{A protective glasses for welding}

The present invention relates to a detachable welding safety goggle for protecting eyes by inserting into a welding mask. More specifically, the welding safety goggle is detachably detachable from a welding mask and has an appropriate frequency according to an operator's visual acuity, And more particularly to a welding safety goggle for correcting eyesight.

Arc welding is a widely used welding method for welding steel. It uses arc heat generated between the electrodes to melt the welding part. The arc generates various rays of ultraviolet rays and infrared rays together with strong rays, The worker must wear a protective mask such as a welding mask.

A welding mask, which is also called a welding face, is formed in various shapes, but generally, as shown in FIG. 1 (a), a body for protecting the face and a projection part protruding from the body are provided. A fixing frame fixed to the body, and a viewing window opened / closed by elastic means with respect to the fixing frame, wherein a protective cover for protecting the neck or the shoulder portion is further attached to the body.

Fig. 1 (b) is a detailed view showing in detail the structure of the above-mentioned perspective portion. The outline is equipped with an outer protective glass for protecting the outer surface from splashes and a light shielding glass for shielding the strong rays from the outermost surface. In order to protect the eyes from the flame which may be present in the case of opening the sight glass, Another inner protective glass is provided. The opening and closing structure of the welding window of the welding mask enables the operator to efficiently carry out the welding operation while confirming the welding state.

However, such a welding mask has no means for correcting the visual acuity of the worker, and a worker having a weak visual acuity can not avoid the inconvenience of wearing a welding mask while wearing glasses.

In order to solve the above-described problems, a welding mask having a frequency in a transparent window installed in a transparent portion has been proposed in Application No. 20-2004-0025052.

The prior art welding masks have an advantageous effect in that they allow a worker with weak vision or presbyopia to carry out the welding work without wearing glasses, but on the other hand, There is a problem in versatility that it can not be used.

Recently, various methods for solving the general problem of welding mask have been proposed. As a representative example thereof, there is a welding mask of Application No. 10-2010-0102792.

The welding mask of the above application No. 10-2010-0102792 enables a welding safety goggle to be attached to the mask body to be attached to the mask body, the welding goggle of which the refractive power corresponding to the visual acuity of the individual is formed. This prior art can be expected to have a versatility that can be used by a plurality of workers due to the possibility of using a welding safety goggle having various frequencies in one welding mask. However, although the lens for vision is very vulnerable to flame and heat, There is no constitution for protecting the lens of the welding safety goggle, so that the welding safety goggle has a problem of poor durability, which is problematic in practical use.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a welding safety goggle which is detachable from a welding mask so as to have versatility of a welding mask, and is capable of adjusting the visual acuity and having excellent durability.

Another object of the present invention is to provide a welding safety goggle capable of replacing a lens.

According to a most preferred embodiment of the present invention to achieve the above object, there is provided a liquid crystal display comprising a first glass panel, a lens fixedly attached to the surface of the first glass panel by lens fixing means, A second glass panel disposed parallel to the first glass panel at a predetermined interval so as to be spaced apart from the first glass panel and spaced apart from the first glass panel, And a frame member surrounding at least two side end outer surfaces of the second glass panel.

The lens fixing means may be an adhesive or a fitting member having a lens insertion groove formed therein, and the gap maintaining means may be integrally formed with the frame member.

According to still another preferred embodiment of the present invention, a welding safety goggle for vision correction is provided, wherein opening and closing means are provided at both left and right edges of the welding safety glass so that the lens can be exchanged.

According to another preferred embodiment of the present invention, there is provided a welding safety goggle for vision correction, wherein a pinhole is formed on a welding surface of the welding safety glass so that air is flowed between the inside and the outside.

The present invention not only allows one welding mask to be used by a plurality of persons having different visual acuities, but also allows the welding mask to be used as it is without changing the conventional welding mask structure, so that the welding mask has versatility.

In addition, the present invention increases the durability of the welding safety goggle by applying various protection means to the lens that is vulnerable to heat. In addition, the present invention enables the replacement of the lens so that the welding safety goggle can have general versatility.

FIG. 1 is a perspective view of a generally used welding mask, in which (a) is a perspective view of a perspective view, and (b) is a perspective view of a perspective view.
2 is a detailed view for explaining a state where the welding safety goggle of the present invention is inserted into a general welding mask.
3 is a perspective view of the welding safety eyepiece according to the first embodiment of the present invention, wherein (b) and (c) are cross-sectional views taken along line A-A 'and line B- Fig.
(B) and (c) are cross-sectional views taken along line A-A 'and line B-B', respectively, taken along line A-A ' Fig.
FIG. 5 is a perspective view of a welding safety eyepiece according to a third embodiment of the present invention, wherein (b) and (c) are cross-sectional views taken along line A-A ' Fig.
FIG. 6 is a perspective view of a welded safety eyepiece according to a fourth embodiment of the present invention, wherein (b) and (c) are cross-sectional views taken along line A-A ' Fig.
7 is a cross-sectional view showing a modification of the fourth embodiment.
FIG. 8 is a perspective view of a welded safety eyepiece according to a fifth embodiment of the present invention, wherein (b) and (c) are cross-sectional views taken along line A-A ' Fig.
9A is a perspective view of the welding safety goggle according to the third embodiment, and FIG. 9B is a cross-sectional view taken along line A-A 'and FIG. 9B is a cross- &Quot; FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, however, it is to be understood that the present invention is not limited to the disclosed embodiments.

FIG. 2 is a partial perspective view of a welding mask 1 to which the welding safety goggle 100 of the present invention is inserted and cut to explain the structure of the perspective unit 200.

The perspective portion 200 protruding from the welding mask 1 is composed of a fixed frame 210 and a perspective mirror 220 which is opened and closed by the fixed frame 210 like a generally used welding mask. The outer protective glass 221 on the outermost surface and the light shielding glass 222 are sequentially stacked.

However, in the case of a welding mask in which the welding safety goggle of the present invention is inserted, the installation of the inside protective glass is omitted, and instead, the welding safety goggle 100 of the present invention is installed Respectively.

The welding safety goggle 100 of the present invention includes first and second glass panels 110 and 120 for protecting the lens 160 and a frame member 110 for covering part or all of the edges of the first and second glass panels 110 and 120. [ 3 to 7, depending on the type of lens fixing means for fixing the position of the lens 160 between the first and second glass panels 110 and 120, the shape of the frame member, .

FIG. 3 is a perspective view of the first embodiment of the welding safety goggle of the present invention, wherein (a) is a perspective view of the first embodiment, (b) and (c) Cross-sectional view and B-B ', respectively.

According to the first embodiment, the lens 160 is attached and fixed to the upper surface of the first glass panel 110, and the adhesive 170 is used as the lens fixing means.

More specifically, the adhesive 170 is inserted between the lower surface of the lens frame located at each corner of the lens 160 and the first glass panel 110 with a tool such as a glue gun, and these are adhered and fixed. The adhesive 170 may be transparent and heat-resistant, and the material is not particularly limited.

The second glass panel 120 positioned on the outer side is parallel to the first glass panel 110 with a predetermined distance d so as not to come into contact with the surface of the lens 160 fixedly attached to the first glass panel 110 Respectively.

Lenses commonly used for correcting visual acuity include methyl methacrylate (MMA), an acrylate resin, or ally-di-glicol-carbonate (ADC), commonly referred to as CR-39 However, such a lens has a problem that it is vulnerable to high welding heat.

Accordingly, the first and second glass panels 110 and 120 protect the lens 160 by preventing the spark scattered during welding from directly contacting the lens 160.

The distance d between the surface of the lens 160 and the second glass panel 120 prevents the heat from being transmitted to the lens 160 from the second glass panel 120, .

The protective means of the lens 160 as described above is commonly applied to all the embodiments described later, and thus increases the life of the lens 160, and ultimately brings about an effect of increasing the durability of the welding safety glass.

A gap maintaining means is provided between the first glass panel 110 and the second glass panel 120 to maintain the spacing d between the surface of the lens 160 and the second glass panel 120. [

The gap maintaining means may be a rod-shaped gap holding member 130 or a fitting portion 152 of an 'I' -shaped frame member 150 which will be described later.

The rod-shaped cavity-holding member 130 may be provided on both inner surfaces of the end portions on the side of the first and second glass panels 110 and 120, but is preferably provided only on the inner surfaces of the opposite side end portions. The reason for this is that it is advantageous in that the opening portion (not shown) functions as an air flow path described later, and the saving of material cost and the manufacturing process are simplified by leaving the marginal side of the other side end portion in the open state to be.

Shaped frame member is installed on the outer surface of each side end portion of the first and second glass panels 110 and 120 provided with the lens 160 and integrated by the gap holding member 130.

(A) is a perspective view of a second embodiment, and FIGS. 4 (b) and 4 (c) are cross sectional views taken along line A-A ' Cross-sectional view and B-B ', respectively.

In the second embodiment, the lens fixing means is different from the first embodiment in that the fitting members 181 and 182 are used instead of the adhesive 170.

The sandwiching members 181 and 182 sandwich the centering member 182 provided between the lens 160 and the lens 160, that is, in the middle of the first glass panel 110, And an outer side sandwiching member 181 provided on each end side of the glass panel 110.

The lower end face of the centering member 182 is fixedly attached to the first glass panel 110 and the lens insertion recess P is formed at the lower end of the centering member 182. The lower end face of the centering member 181 has a lower end face, And the lens insertion groove P is formed at the lower end of the inner side.

The second glass panel 120, the spacing member 130, and the frame member are not different from the first embodiment, and therefore, a description thereof will be omitted.

It is not necessary to provide a separate space holding member 130 at the portion where the outer side member 181 is provided and the length of the outer side member 181 can also be set for the entire width of the first glass panel 110 However, it is preferable to install only a length enough to form an air flow passage in a part of the furring surface.

FIG. 5 is a perspective view of a third embodiment of the welding safety goggle of the present invention, wherein (a) is a perspective view of the third embodiment, (b) and (c) Cross-sectional view and B-B ', respectively.

The third embodiment differs from the first and second embodiments in that the 'r' -shaped frame member 150 is used.

The 'r' -shaped frame member 150 is disposed between the upper and lower blades 151 covering the outer surfaces of the first and second glass panels 110 and 120 and the first and second glass panels 110 and 120 Shaped frame member 140 of the first and second embodiments and the function of the space maintaining unit are simultaneously performed. Therefore, the welding safety goggle according to the third embodiment is advantageous in that it does not require a separate space holding member 130.

The installation of the lens fixing means and the second glass panel 120 of the third embodiment is not different from that of the first embodiment, and a description thereof will be omitted.

FIG. 6 is a perspective view of a fourth embodiment of the welding safety goggle according to the present invention, wherein (a) is a perspective view of the fourth embodiment, (b) and (c) Cross-sectional view and B-B ', respectively.

The fourth embodiment differs from the third embodiment in that the lens fixing means uses the fitting members 181 and 182 of the second embodiment instead of the adhesive 170, and the 'i' -shaped frame member 150 The second embodiment differs from the first and second embodiments in that the first embodiment is used.

7, the lens insertion groove P may be formed on the lower surface of the fitting part 152 of the frame member so that the fitting part 152 functions as the gap maintaining unit The function of the outer side-seam member 181 can be performed together.

The shape of the bottom member 181, 182 of the fourth embodiment, the mounting of the second glass panel 120, and the like are not different from those of the second embodiment, and therefore, a description thereof will be omitted.

In the first to fourth embodiments, the lens 160 is fixed between the first glass panel 110 and the second glass panel 120, but in this fixing structure, the lens 160 can not be replaced.

The fifth embodiment is a modification of the second and fourth embodiments in which the shim members 181 and 182 are used, and it is an important technical feature that the replacement means of the lens 160 is provided.

FIG. 8 is a perspective view of a fifth embodiment of the welding safety goggle according to the present invention, wherein (a) is a perspective view of the fifth embodiment, (b) and (c) Cross-sectional view and B-B ', respectively.

The welding safety glass of the present invention according to the fifth embodiment includes a first glass panel 110, a centering member 182 fixedly attached to a central portion of the first glass panel 110, And a pair of stoppers 190. The first and second glass panels 110 and 120 are provided with first and second glass panels 110 and 120 on upper and lower ends thereof, The spacer member 130 and the 'r' -shaped frame member 140 are provided as in the second embodiment or the 'r' -shaped frame member 130 'is provided without the spacer member 130 as in the third and fourth embodiments 150 may be installed. 8 shows an example in which the latter 'I' -shaped frame member 150 is used.

However, since the stopper members 190 are provided on the left and right ends of the first and second glass panels 110 and 120, no separate spacers 130 and frame members are required.

The stopper member 190 has an insertion portion 191 to be inserted between the first and second glass panels 110 and 120 and an end portion of the first and second glass members while restricting the insertion of the insertion portion 191 And has a T-shape.

The stopper member 190 is not fixed to the first and second glass panels 110 and 120 but is detachable and the lens insertion groove P is formed on the bottom surface of the insertion portion 191 of the stopper member 190.

Therefore, when the lens 160 is to be replaced, the existing lens is removed while the stopper member 190 is removed, a new lens is inserted, and then the stopper member 190 is inserted between the first and second glass panels 110 and 120 So that the welding safety goggle according to the fifth embodiment exhibits another effect that it can have versatility in comparison with the first to fourth embodiments.

Various embodiments of the present invention have been described through modifications of the lens fixing means, the shape of the frame member, and the like. In each of these embodiments, the first glass panel And a space between the first glass panel 110 and the second glass panel 120 is sealed.

In the meantime, arc welding is performed by melting the base material by using heat at a temperature of several hundreds of degrees Celsius to 1,000 degrees Celsius, so that the welding safety glass attached to the welding mask is also affected by such high heat. At this time, If it is inflated, the safety goggle may be damaged.

Therefore, it is preferable that a pinhole (H) is formed on the circumferential surface of the welded safety goggle of the present invention so that the inner air flows out to the outside to prevent the expansion of the inside of the welded safety goggle.

The pinhole H suffices as long as air can flow into and out of the welding safety goggle. The pinhole H may be formed by forming a through hole in the gap holding member 130 and / or the frame member, or by forming the gap holding member 130 A method may be employed in which at least some of the upper and lower ends of the first and second glass panels 110 and 120 or the marginal sides of both ends of the first and second glass panels 110 and 120 are opened when the first and second glass panels 110 and 120 are installed. The size of the stopper member 190 may be adjusted so as to form a gap with the edge member disposed at the upper part.

9A is a perspective view of the pinhole H in the third embodiment, FIG. 9B is a cross-sectional view taken along line A-A 'and FIG. 9B is a cross- B-B '.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious that it will be possible to carry out various modifications thereof. It is therefore intended that such modifications are within the scope of the invention as set forth in the claims.

1: Welding mask 100: Welding safety glasses
110: first glass panel 120: second glass panel
130: space holding member 140: 'C' -shaped frame member
150: 'I' -shaped frame member 151: wing
152: fitting portion 160: lens
170: Adhesive 181:
182: central fitting member 190: plug member
191: inserting portion 192: jaw
P: Lens insertion groove H: Pinhole

Claims (9)

A welding safety goggle detachably inserted into a perspective portion of a welding mask,
A lens 160 fixed to the surface of the first glass panel 110 by a lens fixing means and fixed to the surface of the first glass panel 110; A second glass panel 120 installed parallel with the first glass panel 110 and a second glass panel 120 disposed between the first glass panel 110 and the second glass panel 120 to maintain the gap d. And a frame member surrounding at least two side end portions of the first glass panel 110 and the second glass panel 120. The lens fixing means includes a first glass panel 110, And the fitting members 181 and 182 are provided with a central fitting member 182 having lens insertion grooves P formed at both lower ends thereof and a lens insertion groove 182 formed at the inner lower end thereof, P) is formed on the outer circumferential surface of the eyepiece holder (181).
2. The optical safety goggle for eyesight correcting according to claim 1, wherein the gap maintaining means is a rod-shaped gap holding member (130)
delete The eye safety goggle for vision correction according to claim 2, wherein the rim member is a rim-shaped rim member (140).
A welding safety goggle detachably inserted into a perspective portion of a welding mask,
A lens 160 fixed to the surface of the first glass panel 110 by a lens fixing means and fixed to the surface of the first glass panel 110; A second glass panel 120 installed parallel with the first glass panel 110 and a second glass panel 120 disposed between the first glass panel 110 and the second glass panel 120 to maintain the gap d. And a rim member surrounding at least two side end portions of the first glass panel 110 and the second glass panel 120. The rim member includes first and second glass panels 110 and 120, Shaped rim member 151 consisting of upper and lower wings 151 covering the outer surfaces of the glass panels 110 and 120 and a fitting portion 152 inserted between the first and second glass panels 110 and 120 150), and the gap maintaining means is a fitting portion (152) having a lens insertion groove (P) formed on a lower surface thereof.
delete A welding safety goggle detachably inserted into a perspective portion of a welding mask,
A lens 160 fixed to the surface of the first glass panel 110 by a lens fixing means and fixed to the surface of the first glass panel 110; A second glass panel 120 installed parallel with the first glass panel 110 and a second glass panel 120 disposed between the first glass panel 110 and the second glass panel 120 to maintain the gap d. And a frame member surrounding at least two side ends of the first glass panel 110 and the second glass panel 120. The first and second glass panels 110 and 120 are spaced apart from each other, 120 are provided on the upper and lower ends of the first and second glass panels 110 and 120 with detachable stoppers 190 provided at the left and right ends of the first and second glass panels 110 and 120, The member 190 includes an insertion portion 191 to be inserted between the first and second glass panels 110 and 120 and a first and second glass panels 110 and 120 while restricting the insertion of the insertion portion 191. [ It consists of teokbu 192 to go to the end face of the T-shaped member made of a shape, when the lens insertion hole vision correction eye protection for welding characterized in that (P) is formed of the insertion portion 191.
delete The welding safety goggle for vision correction according to claim 1, 2, 4, 5, or 7, further comprising a pinhole (H) passing through the inside and outside of the welded safety glass.

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