WO2016006836A1 - Device for mounting outer lens for gas mask - Google Patents

Device for mounting outer lens for gas mask Download PDF

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Publication number
WO2016006836A1
WO2016006836A1 PCT/KR2015/006108 KR2015006108W WO2016006836A1 WO 2016006836 A1 WO2016006836 A1 WO 2016006836A1 KR 2015006108 W KR2015006108 W KR 2015006108W WO 2016006836 A1 WO2016006836 A1 WO 2016006836A1
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WO
WIPO (PCT)
Prior art keywords
coupling hole
mask
elastic holder
side wall
outer lens
Prior art date
Application number
PCT/KR2015/006108
Other languages
French (fr)
Korean (ko)
Inventor
김종기
Original Assignee
김종기
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Filing date
Publication date
Application filed by 김종기 filed Critical 김종기
Publication of WO2016006836A1 publication Critical patent/WO2016006836A1/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00—Component parts for respiratory or breathing apparatus
    • A62B9/04—Couplings; Supporting frames
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C13/00—Assembling; Repairing; Cleaning

Definitions

  • the present invention relates to an outer lens mounting mechanism for a gas mask, and more particularly, to an outer lens mounting mechanism for a gas mask that can be detached very quickly and simply as well as being mounted on the gas mask very firmly and stably.
  • the gas mask is worn on the wearer's face to protect the human body from toxic gases in the contaminated area.
  • This gas mask provides the purged air to the wearer's respiratory tract through a purse container coupled to the mask.
  • the wearer can safely operate in the contaminated area.
  • Such gas masks are sometimes equipped with safety glasses to protect eyesight from harmful rays such as strong sunlight or ultraviolet rays.
  • Such goggles have been proposed by Utility Model Registration No. 154879 of a gas mask for safety masks to prevent damage to the gas mask of the gas mask and to protect the wearer's eyes from harmful rays.
  • Gas mask safety glasses according to the prior art described above is detachably coupled to the safety glasses having a security lens on the edge of the see-through lens provided integrally on the gas mask.
  • the eyeglasses are fixed to the coupling frame of the lens adapter is fitted to the edge of the see-through lens. Accordingly, the see-through lens formed on the gas mask is protected from harmful rays by the safety glasses.
  • the security lens is firmly fixed to the safety glasses by a fastening frame fastened to the coupling frame. That is, the security lens is prevented from being separated from the goggles by the fastening frame.
  • the security lens is formed by extending from the coupling frame is fixed to fit in the fixing groove of the fixed frame to which the fastening frame is coupled.
  • the aforementioned gas mask safety glasses according to the prior art have a problem in that each one must be manufactured because it is divided into two corresponding to the see-through lenses formed on the gas mask.
  • the present invention was created in order to solve the various disadvantages of the prior art as described above, it is possible to mount the outer lens of a single body very quickly and stably so as to shield a pair of see-through lenses at once, the outer lens as necessary It is an object of the present invention to provide an outer lens mounting mechanism for the gas mask that can be separated very quickly and easily from the edge of the gas mask.
  • the present invention for achieving the above object is a gas mask outer lens mounting mechanism for detachably mounting a single outer lens shielding a pair of see-through lens provided in the mask of the gas mask, extending to the edge of the outer lens Protruding snap pieces; And an elastic holder formed on the edge of the mask and having a coupling hole to which the snap piece is detachably fitted, wherein the coupling hole penetrates along the length direction of the inner side of the elastic holder.
  • One side of the elastic holder is open to the cutting portion communicating with the coupling hole toward the outer direction of the mask, characterized in that the elastic portion is provided with a pair of cutting edges spaced apart in the width direction by the cutting portion. do.
  • the cut portion is formed extending in the longitudinal direction of the elastic holder, the cut portion is characterized in that the cut in a direction perpendicular to the longitudinal direction of the coupling hole.
  • the width of the cutout is characterized in that formed smaller than the width of the coupling hole.
  • the snap piece further includes a snap protrusion formed at a front end facing the elastic holder.
  • the elastic holder the front surface facing the outer lens; And a rear surface to which the snap protrusion of the snap piece is engaged.
  • An inclined surface having a predetermined inclination angle is formed on one side of the snap protrusion, and a flat locking jaw in the vertical direction is formed on the opposite side of the inclined surface.
  • the elastic holder further comprises a partition wall for dividing the coupling hole.
  • the elastic holder has a plurality of coupling holes formed by the partition wall.
  • the cutout is formed in plural to correspond to the number of the coupling holes, respectively formed in the coupling holes.
  • the snap piece is divided to correspond to the number of the coupling holes to form a plurality.
  • the width of the partition wall is characterized in that it is formed narrower than the division interval between the snap pieces.
  • the plurality of sidewalls may include, for example, a first sidewall adjacent to a surface of the mask; A second side wall facing the first side wall and adjacent to the outside of the mask; A third side wall positioned in an upper direction of the mask and connecting an upper side of the first side wall and the second side wall; And a fourth side wall positioned in a lower direction of the mask to connect the lower side of the first side wall and the second side wall to the lower side of the mask while facing the third side wall.
  • the second side wall is preferably formed to a thickness thinner than the thickness of the snap piece.
  • the snap piece can be coupled to the coupling hole of the elastic holder very easily, and when the snap piece coupled to the coupling hole is to be removed, the snap piece is directed toward the cutout.
  • twisting a pair of incision edges adjacent to the incision are easily opened, so that the detachment of the snap piece is very easy.
  • the cutting portion extends along the longitudinal direction of the elastic holder and is cut in a direction orthogonal to the longitudinal direction of the coupling hole, thereby making it possible to more easily engage or separate the snap piece with respect to the coupling hole.
  • the insertion is made more smoothly and smoothly, but after the snap piece is coupled to the coupling hole, there is an advantage of maintaining the bonded state firmly and stably.
  • the snap piece is coupled to the rear surface of the elastic holder after the snap piece is inserted into the coupling hole has the advantage that the snap piece can be coupled very firmly and stably to the coupling hole.
  • the snap protrusion when the snap protrusion is inserted into the coupling hole of the elastic holder can be inserted very smoothly into the coupling hole of the elastic holder by the inclined surface, when the snap projection protrudes from the withdrawal end of the coupling hole of the snap projection Silver is coupled to the rear end of the elastic holder very stably to prevent the opening of the incision edges, through which the snap piece has the advantage that the state coupled to the coupling hole of the elastic hole can be maintained very firm and stable.
  • a plurality of snap pieces are inserted into and coupled to the plurality of coupling holes individually, which has the advantage that the coupling force can be further strengthened.
  • the coupling force can be more reliably reinforced.
  • the width of the cutout is formed to be smaller than the width of the coupling hole formed in the elastic holder, when the snap piece is inserted into the coupling hole and coupled, the coupled state can be maintained very firmly and stably.
  • the snap piece inserted into the coupling hole of the elastic holder can be restrained in the state in which the elastic holder is substantially surrounded in all directions.
  • the elastic holder since the elastic holder has a thickness of the second side wall thinner than the thickness of the snap piece, the elastic holder can more stably support the coupled state of the snap piece inserted into the coupling hole.
  • FIG. 1 is an exploded perspective view showing a configuration in which an outer lens mounting mechanism for a gas mask according to an embodiment of the present invention is applied to a gas mask and an outer lens.
  • FIG. 2 is an enlarged view illustrating an enlarged portion A of FIG. 1;
  • FIG 3 is a view seen from the direction of the arrow B of Figure 2, showing a state in which the snap piece and the elastic holder of the outer lens mounting mechanism for the gas mask according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view taken along the line C-C of FIG.
  • FIG. 5 is a cross-sectional view taken along the line D-D of FIG. 4.
  • FIG. 6 is an exploded perspective view showing the configuration of an outer lens mounting mechanism for a gas mask according to another embodiment of the present invention.
  • FIG. 7 is a view seen from the direction of arrow E in FIG. 6, and illustrates a state in which a snap piece and an elastic holder of an outer lens mounting mechanism for a gas mask according to another embodiment of the present invention are coupled.
  • FIG. 8 is a view along the F-F line of FIG. 7.
  • FIG. 9 is a view along the G-G line of FIG. 8.
  • the gas mask outer lens mounting mechanism 100 is configured to detachably mount the outer lens 30 to the rubber mask 2 of the gas mask 1.
  • the rubber mask 2 of the gas mask 1 is provided with a pair of perspective lenses 3, and the outer lens 30 is provided with a pair of rubber masks 2. It is composed of a single body to shield the perspective lens (3) at a time.
  • the outer lens 30 is formed in a single glass body and has an approximately rectangular shape.
  • the outer lens 30 is formed to be concave at the lower middle portion thereof so as to correspond to the nasal portion of the mask 2.
  • the outer lens 30 is made of a light-transmitter material, such as plastic or polycarbonate, similar to a conventional safety glasses, and is formed with a colored or coated with a coating material that blocks harmful rays on the surface to protect eyesight from harmful rays. It may be.
  • the outer lens 30 is curved to correspond to the front curvature of the mask 2.
  • the outer lens mounting mechanism 100 includes a snap piece 110 protruding from both side edges of the outer lens 30 and formed of a rubber mask 2. It includes an elastic holder 120 formed in the same body on the edge.
  • the snap piece 110 protrudes from both ends of the outer lens 30 individually to extend.
  • the snap piece 110 is formed together at the time of molding the outer lens 30 to substantially constitute a part of the outer lens 30.
  • the snap piece 110 protrudes in a direction orthogonal to the surface of the outer lens 30, so that the snap piece 110 is mounted by the snap piece 110 when the outer lens 30 is attached to the rim of the rubber mask 2. Interference or interference can be prevented.
  • the snap piece 110 is formed with a snap protrusion 115 at the tip facing the elastic holder 120, the inclined surface (115a) is formed on one side of the snap projection 115, the opposite side of the inclined surface (115a) A locking jaw 115b is formed.
  • the inclined surface 115a is formed to be inclined at a predetermined inclination angle, and the locking jaw 115b is formed flat in the vertical direction on the opposite side of the inclined surface 115a.
  • the elastic holder 120 is formed to protrude outward from both sides of the rubber mask (2).
  • the elastic holder 120 is molded together at the time of molding the rubber mask 2 to substantially constitute a part of the rubber mask 2, through which the elastic holder 120 is also made of rubber to secure its elastic force. Can be.
  • the elastic holder 120 is formed so as to oppose the snap piece 110 of the outer lens 30 at the edge provided with the see-through lens 3 of the mask 2, the snap piece 110 of the outer lens 30 is
  • the elastic holder 120 of the mask 2 can be mounted very stably.
  • the elastic holder 120 has a front surface 120a adjacent to the outer lens 30 and a rear surface 120b to which the snap protrusion 115 of the snap piece 110 is engaged. .
  • the elastic holder 120 has a coupling hole 125 to which the above-described snap piece 110 is coupled.
  • the coupling hole 125 is formed to penetrate in the elastic holder 120 along the longitudinal direction of the elastic holder 120 (see arrow L direction), and the coupling hole 125 has a cross-sectional shape of the snap piece 110. It has a cross section corresponding to
  • the coupling hole 125 includes an inlet opening 125a formed in the front surface 120a of the elastic holder 120 and an outlet opening formed in the rear surface 120b of the elastic holder 120. 125b).
  • the snap protrusion 115 of the snap piece 110 may protrude into the outlet opening 125b of the coupling hole 125. Until it is inserted.
  • the snap protrusion 115 protruding from the withdrawal opening 125b of the coupling hole 125 is engaged with the rear surface 120b of the elastic holder 120.
  • the cross section of the coupling hole 125 may also have a quadrangular shape correspondingly.
  • the coupling hole 125 has a rectangular shape, a plurality of sidewalls 121, 122, 123, and 124 may be formed around the coupling hole 125.
  • the plurality of side walls 121, 122, 123, and 124 may include a first side wall 121 adjacent to the surface of the mask 2 and a second side wall 122 adjacent to the outside of the mask 2. ), A third side wall 123 positioned in an upper direction of the mask 2, and a fourth side wall 124 positioned in a lower direction of the mask 2.
  • the second side wall 122 faces the first side wall 121 as adjacent to the outside of the mask 2.
  • the third side wall 123 connects the upper side of the first side wall 121 and the second side wall 122 to the upper portion of the mask 2.
  • the fourth side wall 124 connects the lower side of the first side wall 121 and the second side wall 122 while facing the third side wall 123 at the bottom of the mask 3 as shown.
  • the plurality of side walls 121, 122, 123, and 124 may restrict the snap piece 110 to the state in which the elastic holder 120 is substantially surrounded in all directions as shown in FIG. 5.
  • one side of the elastic holder 120 is formed with an incision 126 is extended along the longitudinal direction (see arrow L direction) of the elastic holder 120, the incision 126 is coupled to the coupling hole 125 and It is formed to communicate.
  • the cutout 126 may be formed in the second side wall 122 adjacent to the outside of the mask 2.
  • the cutout 126 is cut in a direction orthogonal to the longitudinal direction of the coupling hole 125 (the width of the w2-combination hole), so that one side of the coupling hole 125 is opened toward the outside of the mask 2.
  • the second side wall 122 has a pair of cut edges 122a and 122b divided in the width direction (see arrow W direction) by the cutout portion 126, and the pair of cut edges 122a and 122b is used. ),
  • the snap piece 110 can be easily opened or pinched as the snap piece 110 is inserted into or separated from the coupling hole 125.
  • the width W1 of the cutout 126 is smaller than the width W2 of the coupling hole 125, whereby the snap piece 110 may be inserted into the coupling hole 125.
  • the insertion can be made more smoothly and smoothly, when the snap piece 110 is coupled to the coupling hole 125, the coupled state can be maintained very firmly and stably.
  • the second side wall 122 of the elastic holder 120 is a support structure for supporting the state in which the snap piece 110 is held in a stable state
  • the second side wall 122 is formed of the snap piece 110.
  • the thickness is made enough to support the bonding force.
  • the second side wall 122 may have a thickness of about 3 to 4 mm to stably support the coupled state of the snap piece 110.
  • the thickness t2 of the second side wall 122 is within a range of 1/2 to 1/3 of the thickness t1 of the snap piece 110, thereby providing a snap piece through the rigidity according to the thickness t2.
  • the coupled state of the 110 may be supported more stably.
  • the second side wall 122 may be formed to a thickness t2 that is thinner than the thickness t1 of the snap piece 110.
  • the snap piece 110 may be easily coupled to the coupling hole 125 of the elastic holder 120.
  • the cutting edges 122a and 122b adjacent to the cutout part 126 are easily twisted by twisting the snap piece 110 toward the cutout part 126.
  • the separation of the snap piece 110 is made very easy.
  • the snap projection 115 of the snap piece 110 to the opening opening of the coupling hole 125 Passing through the 125a to insert the snap piece 110 along the longitudinal direction of the coupling hole (125).
  • the snap protrusion 115 is inserted into the coupling hole 125 very smoothly by the inclined surface 115a while the snap protrusion 115 is inserted into the coupling hole 125.
  • the cutting pieces 122a and 122b of the snap piece 110 can be easily opened to the outside by the cutout 126 of the elastic holder 120, the expansion of the coupling hole 120 of the elastic holder 120 is extended. This insertion can be made more smoothly and easily.
  • the snap protrusion 115 protrudes through the withdrawal opening 125b of the coupling hole 125.
  • the locking jaw 115b of the snap protrusion 115 is engaged with the rear surface 120b of the elastic holder 120.
  • the jaw 115b of the snap protrusion 115 blocks the cutting edges 122a and 122b of the elastic holder 120 to stably stabilize the state where the snap piece 110 is coupled to the coupling hole 125. I can keep it.
  • the snap piece 110 coupled to the coupling hole 125 of the elastic holder 120 is twisted toward the cutout 126 (rotation).
  • the cutting edges 122a and 122b adjacent to the cutting portion 126 open outwardly, the snap piece 110 may be easily separated from the coupling hole 125.
  • 5 to 7 are views illustrating an outer lens mounting mechanism 100 for a gas mask according to another embodiment of the present invention.
  • a plurality of coupling holes 125 are formed to be partitioned by the partition wall 128 in the elastic holder 120 and corresponding to each coupling hole 125.
  • a plurality of cutouts 126 are formed separately on the sidewall 122.
  • the plurality of snap pieces 110 are formed to correspond to the number of coupling holes 125.
  • the plurality of snap pieces 110 may be individually inserted into and coupled to the plurality of coupling holes 125, thereby increasing the coupling force.
  • the partition wall 128 is the snap piece 110 is caught on the rear surface (120b) when the snap piece 110 is inserted into the coupling hole 125 and is caught by the rear surface (120b) of the elastic holder 120 is coupled. ),
  • the width W3 is formed to be slightly narrower or substantially the same as the division interval W4 between the snap pieces 110 to sufficiently support). Therefore, since the partition wall 128 is secured by the width W3, the partition wall 128 may sufficiently support the snap piece 110 fastened to the rear surface 120b to prevent detachment.
  • the plurality of snap pieces 110 individually coupled to the plurality of coupling holes 125 are in a state in which elastic force is applied in the width direction by the elastic force of the elastic holder 120, the coupling force may be more reliably reinforced. have.
  • the partition wall 128 described above should be formed with a width W3 of approximately 0.85 times to 0.98 times with respect to the gap W4 between the snap pieces 110 to secure sufficient stiffness. It is impossible to secure the stiffness, and if it is more than 0.98 times, the stiffness stronger than the desired stiffness can be secured, but the material cost is unnecessary. Therefore, the partition wall 128 is preferably formed with the width W3 of the above-mentioned ratio. For example, the partition wall 128 is preferably formed with a width W3 of about 4.7 mm to 5.4 mm when the gap W4 between the snap pieces 110 is about 5.5 mm.
  • the partition wall 128 is formed to have a width W3 of about 0.92 times the spacing W4 between the snap pieces 110 to reduce the material cost and secure the rigidity. It was the most efficient.
  • the partition wall 128 is preferably formed with a width W3 of about 5 mm when the gap W4 between the snap pieces 110 is 5.5 mm.

Abstract

The present invention relates to a device for mounting an outer lens for a gas mask. The present invention comprises: a snap piece extending from an outer lens; and an elastic holder formed integrally on the edge of a mask, and having a coupling hole into which the snap piece is inserted and a plurality of side walls around the coupling hole, wherein the coupling hole is formed to pass through the elastic holder, and the elastic holder is provided with a cut portion communicating with the coupling hole. In the present invention, the elastic holder is opened by the cut portion.

Description

방독면용 외측렌즈 장착기구Outer lens mounting mechanism for gas mask
본 발명은 방독면용 외측렌즈 장착기구에 관한 것으로, 보다 상세하게는 방독면에 외측렌즈를 매우 견고하고 안정되게 장착할 뿐만 아니라 매우 신속하고 간편하게 분리할 수 있는 방독면용 외측렌즈 장착기구에 관한 것이다.The present invention relates to an outer lens mounting mechanism for a gas mask, and more particularly, to an outer lens mounting mechanism for a gas mask that can be detached very quickly and simply as well as being mounted on the gas mask very firmly and stably.
일반적으로 방독면은 착용자의 안면에 착용되어 오염지역의 유독가스로부터 인체를 보호한다. 이러한 방독면은 마스크에 결합된 정화통을 통해 정화된 공기를 착용자의 호흡기에 제공한다. 따라서, 착용자는 오염지역에서 안전하게 활동할 수 있다.In general, the gas mask is worn on the wearer's face to protect the human body from toxic gases in the contaminated area. This gas mask provides the purged air to the wearer's respiratory tract through a purse container coupled to the mask. Thus, the wearer can safely operate in the contaminated area.
이와 같은 방독면은 강한 일광이나 자외선 등과 같은 유해광선으로부터 시력을 보호하기 위해 때때로 보안경이 장착된다. 이러한 보안경은 방독면의 투시렌즈가 손상됨을 방지하는 동시에, 유해광선으로부터 착용자의 시력을 안전하게 보호할 수 있는 방독면용 보안경이 대한민국 특허청의 실용신안등록 제154879호에 의해 제안된 바가 있다.Such gas masks are sometimes equipped with safety glasses to protect eyesight from harmful rays such as strong sunlight or ultraviolet rays. Such goggles have been proposed by Utility Model Registration No. 154879 of a gas mask for safety masks to prevent damage to the gas mask of the gas mask and to protect the wearer's eyes from harmful rays.
상술한 종래기술에 의한 방독면용 보안경은 방독면에 일체로 마련된 투시렌즈의 테두리에 보안렌즈를 가진 보안경이 착탈가능하게 결합된다. 이때, 보안경은 렌즈어뎁터의 결합테가 투시렌즈의 테두리에 끼워져서 고정된다. 이에 따라, 방독면에 형성된 투시렌즈는 보안경에 의해 유해광선으로부터 보호된다.Gas mask safety glasses according to the prior art described above is detachably coupled to the safety glasses having a security lens on the edge of the see-through lens provided integrally on the gas mask. At this time, the eyeglasses are fixed to the coupling frame of the lens adapter is fitted to the edge of the see-through lens. Accordingly, the see-through lens formed on the gas mask is protected from harmful rays by the safety glasses.
한편, 보안렌즈는 결합테에 체결되는 체결테에 의하여 보안경에 견고하게 고정된다. 즉, 보안렌즈는 체결테에 의해 보안경으로부터 이탈이 방지된다. 이때, 보안렌즈는 결합테에서 연장형성되어 체결테가 결합되는 고정테의 고정홈에 끼워져서 고정된다.On the other hand, the security lens is firmly fixed to the safety glasses by a fastening frame fastened to the coupling frame. That is, the security lens is prevented from being separated from the goggles by the fastening frame. At this time, the security lens is formed by extending from the coupling frame is fixed to fit in the fixing groove of the fixed frame to which the fastening frame is coupled.
하지만, 상술한 종래기술의 방독면용 보안경은 방독면에 각각 형성된 투시렌즈에 대응하여 2개로 분할되어 구성되므로 제각기 하나씩 제조하여야 하는 문제점이 있었다. However, the aforementioned gas mask safety glasses according to the prior art have a problem in that each one must be manufactured because it is divided into two corresponding to the see-through lenses formed on the gas mask.
또한, 보안렌즈를 고정테에 끼운 후 체결테를 장착하여야 하므로 조립작업이 매우 불편할 뿐만 아니라 매우 복잡하게 구성되는 단점이 있었다.In addition, since the fastening frame must be fitted after the security lens is fitted to the fixed frame, the assembling work is very inconvenient as well as very complicated.
그리고, 단면에 형성된 결합테의 구조적 특성으로 인하여 투시렌즈의 테두리에 결합하거나 분리하기가 매우 어려운 단점이 있었다. In addition, due to the structural characteristics of the coupling frame formed on the cross section, there was a disadvantage that it is very difficult to combine or separate the edge of the see-through lens.
본 발명은 상기와 같은 종래기술의 여러 단점을 해결하기 위하여 창출한 것으로, 한 쌍의 투시렌즈를 한꺼번에 차폐할 수 있도록 단일체의 외측렌즈를 매우 신속하고 안정되게 장착할 수 있고, 필요에 따라 외측렌즈를 방독면의 테두리에서 매우 신속하고 간편하게 분리할 수 있는 방독면용 외측렌즈 장착기구를 제공하는 데 그 목적이 있다. The present invention was created in order to solve the various disadvantages of the prior art as described above, it is possible to mount the outer lens of a single body very quickly and stably so as to shield a pair of see-through lenses at once, the outer lens as necessary It is an object of the present invention to provide an outer lens mounting mechanism for the gas mask that can be separated very quickly and easily from the edge of the gas mask.
상기와 같은 목적을 달성하기 위한 본 발명은 방독면의 마스크에 마련된 한 쌍의 투시렌즈를 함께 차폐하는 단일체의 외측렌즈를 분리가능하게 장착시키는 방독면용 외측렌즈 장착기구로서, 상기 외측렌즈의 가장자리에 연장 돌출된 스냅피스; 및 상기 마스크의 테두리에 동일체로 형성되고, 상기 스냅피스가 분리가능하게 끼움결합되는 결합공을 가진 탄성홀더;를 포함하고, 상기 결합공은 상기 탄성홀더의 내측에서 그 길이방향을 따라 관통되며, 상기 탄성홀더의 일측에는 상기 결합공과 소통하는 절개부가 마스크의 외부방향을 향해 개방되고, 상기 절개부에 의해 상기 탄성홀더에는 폭방향으로 이격된 한 쌍의 절개에지가 벌림가능하게 마련되는 것을 특징으로 한다.The present invention for achieving the above object is a gas mask outer lens mounting mechanism for detachably mounting a single outer lens shielding a pair of see-through lens provided in the mask of the gas mask, extending to the edge of the outer lens Protruding snap pieces; And an elastic holder formed on the edge of the mask and having a coupling hole to which the snap piece is detachably fitted, wherein the coupling hole penetrates along the length direction of the inner side of the elastic holder. One side of the elastic holder is open to the cutting portion communicating with the coupling hole toward the outer direction of the mask, characterized in that the elastic portion is provided with a pair of cutting edges spaced apart in the width direction by the cutting portion. do.
상기 절개부는 상기 탄성홀더의 길이방향을 따라 연장되어 형성되고, 상기 절개부는 상기 결합공의 길이방향에 대해 직교하는 방향으로 절개되는 것을 특징으로 한다. The cut portion is formed extending in the longitudinal direction of the elastic holder, the cut portion is characterized in that the cut in a direction perpendicular to the longitudinal direction of the coupling hole.
상기 절개부의 폭은 상기 결합공의 폭 보다 작게 형성되는 것을 특징으로 한다.The width of the cutout is characterized in that formed smaller than the width of the coupling hole.
상기 스냅피스는, 상기 탄성홀더를 향하는 선단에 형성되는 스냅돌기;를 더 포함한다.The snap piece further includes a snap protrusion formed at a front end facing the elastic holder.
상기 탄성홀더는, 상기 외측렌즈에 면하는 전방면; 및 상기 스냅피스의 상기 스냅돌기가 걸림결합되는 후방면;을 더 포함한다.The elastic holder, the front surface facing the outer lens; And a rear surface to which the snap protrusion of the snap piece is engaged.
상기 결합공은, 상기 탄성홀더의 전방면에 형성된 인입개구; 및 상기 탄성홀더의 후방면에 형성된 인출개구;를 더 포함한다. The coupling hole, the opening opening formed in the front surface of the elastic holder; And a withdrawal opening formed on the rear surface of the elastic holder.
상기 스냅돌기의 일측에는 소정 경사각의 경사면이 형성되며, 상기 경사면의 반대측에는 수직방향으로 평탄한 걸림턱이 형성되는 것을 특징으로 한다. An inclined surface having a predetermined inclination angle is formed on one side of the snap protrusion, and a flat locking jaw in the vertical direction is formed on the opposite side of the inclined surface.
상기 탄성홀더는, 상기 결합공을 분할하는 구획벽;을 더 포함한다.The elastic holder further comprises a partition wall for dividing the coupling hole.
상기 탄성홀더는, 상기 구획벽에 의해 상기 결합공이 복수를 이룬다.The elastic holder has a plurality of coupling holes formed by the partition wall.
상기 절개부는, 상기 결합공들의 갯수에 대응되도록 복수로 구성되고, 상기 결합공들에 각각 개별적으로 형성된다.The cutout is formed in plural to correspond to the number of the coupling holes, respectively formed in the coupling holes.
상기 스냅피스는, 상기 결합공들의 갯수에 대응되도록 분할되어 복수를 이룬다.The snap piece is divided to correspond to the number of the coupling holes to form a plurality.
상기 구획벽의 폭은 상기 스냅피스들 사이의 분할 간격 보다 좁게 형성되는 것을 특징으로 한다. The width of the partition wall is characterized in that it is formed narrower than the division interval between the snap pieces.
한편, 상기 복수의 측벽은 예컨대, 상기 마스크의 표면에 인접한 제1측벽; 상기 제1측벽과 대향하고, 상기 마스크의 외부에 인접한 제2측벽; 상기 마스크의 상부방향에 위치하고, 상기 제1측벽 및 상기 제2측벽의 상부측을 연결하는 제3측벽; 및 상기 마스크의 하부방향에 위치하여 상기 제3측벽과 대향하면서 상기 마스크의 하부에서 상기 제1측벽 및 상기 제2측벽의 하부측을 연결하는 제4측벽;을 포함하여 구성할 수 있다.Meanwhile, the plurality of sidewalls may include, for example, a first sidewall adjacent to a surface of the mask; A second side wall facing the first side wall and adjacent to the outside of the mask; A third side wall positioned in an upper direction of the mask and connecting an upper side of the first side wall and the second side wall; And a fourth side wall positioned in a lower direction of the mask to connect the lower side of the first side wall and the second side wall to the lower side of the mask while facing the third side wall.
상기 제2측벽은, 상기 스냅피스의 두께 보다 얇은 두께로 형성되는 것이 바람직하다.The second side wall is preferably formed to a thickness thinner than the thickness of the snap piece.
본 발명에 의하면, 마스크의 탄성홀더에 절개부가 마련됨에 따라 스냅피스가 탄성홀더의 결합공에 매우 간편하게 결합될 수 있고, 결합공에 결합된 스냅피스를 분리하고자 할 경우에 절개부를 향해 스냅피스를 비틀어줌으로써 절개부에 인접한 한쌍의 절개에지들이 용이하게 벌어짐으로써 스냅피스의 분리가 매우 손쉽게 이루어지는 장점이 있다.According to the present invention, as the cutout is provided in the elastic holder of the mask, the snap piece can be coupled to the coupling hole of the elastic holder very easily, and when the snap piece coupled to the coupling hole is to be removed, the snap piece is directed toward the cutout. By twisting, a pair of incision edges adjacent to the incision are easily opened, so that the detachment of the snap piece is very easy.
본 발명에 의하면, 절개부가 탄성홀더의 길이방향을 따라 연장됨과 더불어 결합공의 길이방향에 대해 직교하는 방향으로 절개됨으로써 결합공에 대해 스냅피스의 결합 내지 분리가 보다 용이하게 이루어질 수 있는 장점이 있다. According to the present invention, the cutting portion extends along the longitudinal direction of the elastic holder and is cut in a direction orthogonal to the longitudinal direction of the coupling hole, thereby making it possible to more easily engage or separate the snap piece with respect to the coupling hole. .
본 발명에 의하면, 스냅피스가 결합공에 삽입될 때 그 삽입이 보다 부드럽고 원활하게 이루어지면서도 스냅피스가 결합공에 결합된 이후에 그 결합된 상태를 견고하고 안정되게 유지할 수 있는 장점이 있다. According to the present invention, when the snap piece is inserted into the coupling hole, the insertion is made more smoothly and smoothly, but after the snap piece is coupled to the coupling hole, there is an advantage of maintaining the bonded state firmly and stably.
본 발명에 의하면, 스냅피스가 결합공에 삽입된 이후에 스냅돌기가 탄성홀더의 후방면에 걸림결합됨으로써 스냅피스는 결합공에 매우 견고하고 안정되게 결합될 수 있는 장점이 있다. According to the present invention, the snap piece is coupled to the rear surface of the elastic holder after the snap piece is inserted into the coupling hole has the advantage that the snap piece can be coupled very firmly and stably to the coupling hole.
본 발명에 의하면, 스냅돌기가 탄성홀더의 결합공에 삽입될 때 경사면에 의해 탄성홀더의 결합공에 매우 부드럽게 삽입될 수 있고, 스냅돌기가 결합공의 인출단에서 돌출될 때 스냅돌기의 걸림턱은 탄성홀더의 후방단에 매우 안정되게 걸림결합됨으로써 절개에지들의 벌어짐이 차단되고, 이를 통해 스냅피스는 탄성홀의 결합공에 결합된 상태가 매우 견고하고 안정되게 유지될 수 있는 장점이 있다. According to the present invention, when the snap protrusion is inserted into the coupling hole of the elastic holder can be inserted very smoothly into the coupling hole of the elastic holder by the inclined surface, when the snap projection protrudes from the withdrawal end of the coupling hole of the snap projection Silver is coupled to the rear end of the elastic holder very stably to prevent the opening of the incision edges, through which the snap piece has the advantage that the state coupled to the coupling hole of the elastic hole can be maintained very firm and stable.
본 발명에 의하면, 복수의 스냅피스가 복수의 결합공에 개별적으로 삽입되어 결합됨으로써 그 결합력이 보다 강화될 수 있는 장점이 있다. According to the present invention, a plurality of snap pieces are inserted into and coupled to the plurality of coupling holes individually, which has the advantage that the coupling force can be further strengthened.
본 발명에 의하면, 복수의 결합공에 개별적으로 결합된 복수의 스냅피스들이 탄성홀더의 탄성력에 의해 폭방향으로 탄성력을 인가받는 상태가 되므로 그 결합력이 보다 확실하게 보강될 수 있는 장점이 있다.According to the present invention, since the plurality of snap pieces individually coupled to the plurality of coupling holes are in a state in which the elastic force is applied in the width direction by the elastic force of the elastic holder, the coupling force can be more reliably reinforced.
본 발명에 의하면, 절개부의 폭이 탄성홀더에 형성된 결합공의 폭 보다 작게 형성되므로 스냅피스가 결합공에 삽입되어 결합될 경우 결합된 상태를 매우 견고하면서 안정되게 유지시킬 수 있다.According to the present invention, since the width of the cutout is formed to be smaller than the width of the coupling hole formed in the elastic holder, when the snap piece is inserted into the coupling hole and coupled, the coupled state can be maintained very firmly and stably.
본 발명에 의하면, 복수의 측벽이 제1측벽 내지 제4측벽으로 구성되므로 탄성홀더의 결합공에 삽입된 스냅피스를 탄성홀더가 실질적으로 사방에서 포위하는 상태로 구속할 수 있다.According to the present invention, since the plurality of side walls are composed of the first side wall to the fourth side wall, the snap piece inserted into the coupling hole of the elastic holder can be restrained in the state in which the elastic holder is substantially surrounded in all directions.
특히, 탄성홀더는 제2측벽의 두께가 스냅피스의 두께보다 얇게 형성되므로 결합공에 삽입된 스냅피스의 결합된 상태를 보다 안정되게 지지할 수 있다.In particular, since the elastic holder has a thickness of the second side wall thinner than the thickness of the snap piece, the elastic holder can more stably support the coupled state of the snap piece inserted into the coupling hole.
도 1은 본 발명의 일 실시예에 따른 방독면용 외측렌즈 장착기구가 방독면 및 외측렌즈에 적용된 구성을 도시한 분해사시도이다. 1 is an exploded perspective view showing a configuration in which an outer lens mounting mechanism for a gas mask according to an embodiment of the present invention is applied to a gas mask and an outer lens.
도 2는 도 1의 화살표 A 부분을 확대하여 도시한 확대도이다. FIG. 2 is an enlarged view illustrating an enlarged portion A of FIG. 1;
도 3은 도 2의 화살표 B방향에서 바라본 도면으로, 본 발명의 일 실시예에 따른 방독면용 외측렌즈 장착기구의 스냅피스 및 탄성홀더가 결합된 상태를 나타낸다. 3 is a view seen from the direction of the arrow B of Figure 2, showing a state in which the snap piece and the elastic holder of the outer lens mounting mechanism for the gas mask according to an embodiment of the present invention.
도 4는 도 3의 C-C선을 따라 도시한 단면도이다. 4 is a cross-sectional view taken along the line C-C of FIG.
도 5는 도 4의 D-D선을 따라 도시한 단면도이다. FIG. 5 is a cross-sectional view taken along the line D-D of FIG. 4.
도 6은 본 발명의 다른 실시예에 따른 방독면용 외측렌즈 장착기구의 구성을 도시한 분해사시도이다. 6 is an exploded perspective view showing the configuration of an outer lens mounting mechanism for a gas mask according to another embodiment of the present invention.
도 7은 도 6의 화살표 E방향에서 바라본 도면으로, 본 발명의 다른 실시예에 따른 방독면용 외측렌즈 장착기구의 스냅피스 및 탄성홀더가 결합된 상태를 나타낸다. FIG. 7 is a view seen from the direction of arrow E in FIG. 6, and illustrates a state in which a snap piece and an elastic holder of an outer lens mounting mechanism for a gas mask according to another embodiment of the present invention are coupled.
도 8은 도 7의 F-F선을 따라 도시한 도면이다.FIG. 8 is a view along the F-F line of FIG. 7.
도 9는 도 8의 G-G선을 따라 도시한 도면이다.FIG. 9 is a view along the G-G line of FIG. 8.
이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명한다. 참고로, 본 발명을 설명하는 데 참조하는 도면에 도시된 구성요소의 크기, 선의 두께 등은 이해의 편의상 다소 과장되게 표현되어 있을 수 있다. 또, 본 발명의 설명에 사용되는 용어들은 본 발명에서의 기능을 고려하여 정의한 것이므로 사용자, 운용자 의도, 관례 등에 따라 달라질 수 있다. 따라서, 이 용어에 대한 정의는 본 명세서의 전반에 걸친 내용을 토대로 내리는 것이 마땅하겠다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. For reference, the size of the components, the thickness of the line, and the like shown in the drawings referred to for describing the present invention may be somewhat exaggerated for ease of understanding. In addition, terms used in the description of the present invention are defined in consideration of the functions in the present invention and may vary according to a user, an operator's intention, customs, and the like. Therefore, the definition of this term should be based on the contents throughout the specification.
본 발명에 의한 방독면 외측렌즈 장착기구(100)는 외측렌즈(30)를 방독면(1)의 고무재 마스크(2)에 분리가능하게 장착시키도록 구성된다. The gas mask outer lens mounting mechanism 100 according to the present invention is configured to detachably mount the outer lens 30 to the rubber mask 2 of the gas mask 1.
도 1 내지 도 4를 참조하면, 방독면(1)의 고무재 마스크(2)에는 한 쌍의 투시렌즈(3)가 마련되고, 외측렌즈(30)는 고무재 마스크(2)에 마련된 한 쌍의 투시렌즈(3)를 한꺼번에 차폐할 수 있도록 단일체로 구성된다. 외측렌즈(30)는 통유리식의 단일체로 형성되어 대략적인 사각형 형상으로 이루어진다. 또한, 외측렌즈(30)는 마스크(2)의 비강부위에 대응하도록 그 하측의 중간부위가 오목하게 형성된다. 그리고, 외측렌즈(30)는 통상의 보안경과 유사하게 플라스틱이나 폴리카보네이트 등과 같은 투광체 재질로 이루어지며, 유해광선으로부터 시력을 보호하기 위하여 유색으로 형성되거나 표면에 유해광선을 차단하는 코팅재가 코팅될 수도 있다. 이러한 외측렌즈(30)는 마스크(2)의 전면 곡률에 대응하도록 곡면지게 형성된다. 1 to 4, the rubber mask 2 of the gas mask 1 is provided with a pair of perspective lenses 3, and the outer lens 30 is provided with a pair of rubber masks 2. It is composed of a single body to shield the perspective lens (3) at a time. The outer lens 30 is formed in a single glass body and has an approximately rectangular shape. In addition, the outer lens 30 is formed to be concave at the lower middle portion thereof so as to correspond to the nasal portion of the mask 2. And, the outer lens 30 is made of a light-transmitter material, such as plastic or polycarbonate, similar to a conventional safety glasses, and is formed with a colored or coated with a coating material that blocks harmful rays on the surface to protect eyesight from harmful rays. It may be. The outer lens 30 is curved to correspond to the front curvature of the mask 2.
본 발명에 의한 외측렌즈 장착기구(100)는 도 1 및 도 2에 도시된 바와 같이, 외측렌즈(30)의 양측 가장자리에서 돌출되어 연장형성된 스냅피스(110)와, 고무재 마스크(2)의 테두리에 동일체로 형성된 탄성홀더(120)를 포함한다. As shown in FIGS. 1 and 2, the outer lens mounting mechanism 100 according to the present invention includes a snap piece 110 protruding from both side edges of the outer lens 30 and formed of a rubber mask 2. It includes an elastic holder 120 formed in the same body on the edge.
스냅피스(110, snap piece)는 외측렌즈(30)의 양측단에서 개별적으로 돌출되어 연장형성된다. 특히, 스냅피스(110)는 외측렌즈(30)의 성형 시에 함께 성형됨으로써 실질적으로 외측렌즈(30)의 일부를 구성한다. The snap piece 110 protrudes from both ends of the outer lens 30 individually to extend. In particular, the snap piece 110 is formed together at the time of molding the outer lens 30 to substantially constitute a part of the outer lens 30.
특히, 스냅피스(110)는 외측렌즈(30)의 표면에 대해 직교하는 방향으로 돌출되고, 이에 외측렌즈(30)를 고무재 마스크(2)의 테두리에 장착할 때 스냅피스(110)에 의해 간섭 내지 방해됨이 방지될 수 있다. In particular, the snap piece 110 protrudes in a direction orthogonal to the surface of the outer lens 30, so that the snap piece 110 is mounted by the snap piece 110 when the outer lens 30 is attached to the rim of the rubber mask 2. Interference or interference can be prevented.
그리고, 스냅피스(110)는 탄성홀더(120)를 향하는 선단에 스냅돌기(115)가 형성되고, 이러한 스냅돌기(115)의 일측에는 경사면(115a)이 형성되며, 경사면(115a)의 반대측에는 걸림턱(115b)이 형성된다. 경사면(115a)은 소정의 경사각으로 경사지게 형성되고, 걸림턱(115b)은 경사면(115a)의 반대측에서 수직방향으로 평탄하게 형성된다. 이에 의해, 스냅돌기(115)가 후술하는 탄성홀더(120)의 결합공(125)에 삽입될 때 경사면(115a)에 의해 탄성홀더(120)의 결합공(125)에 매우 부드럽게 삽입될 수 있고, 스냅돌기(115)가 결합공(125)의 인출단(125b)에서 돌출될 때 스냅돌기(115)의 걸림턱(115b)은 탄성홀더(120)의 후방단(120b)에 매우 안정되게 걸림결합될 수 있다. In addition, the snap piece 110 is formed with a snap protrusion 115 at the tip facing the elastic holder 120, the inclined surface (115a) is formed on one side of the snap projection 115, the opposite side of the inclined surface (115a) A locking jaw 115b is formed. The inclined surface 115a is formed to be inclined at a predetermined inclination angle, and the locking jaw 115b is formed flat in the vertical direction on the opposite side of the inclined surface 115a. As a result, when the snap protrusion 115 is inserted into the coupling hole 125 of the elastic holder 120 to be described later, it may be inserted very smoothly into the coupling hole 125 of the elastic holder 120 by the inclined surface 115a. When the snap protrusion 115 protrudes from the withdrawal end 125b of the coupling hole 125, the locking jaw 115b of the snap protrusion 115 is secured to the rear end 120b of the elastic holder 120 very stably. Can be combined.
탄성홀더(120)는 고무재 마스크(2)의 양측에서 외부방향으로 돌출되게 형성된다. 특히 탄성홀더(120)는 고무재 마스크(2)의 성형 시에 함께 성형됨으로써 실질적으로 고무재 마스크(2)의 일부를 구성하고, 이를 통해 탄성홀더(120) 또한 고무재로 이루어져 그 탄성력이 확보될 수 있다. The elastic holder 120 is formed to protrude outward from both sides of the rubber mask (2). In particular, the elastic holder 120 is molded together at the time of molding the rubber mask 2 to substantially constitute a part of the rubber mask 2, through which the elastic holder 120 is also made of rubber to secure its elastic force. Can be.
특히, 탄성홀더(120)는 마스크(2)의 투시렌즈(3)가 마련된 테두리에서 외측렌즈(30)의 스냅피스(110)에 대향하도록 형성됨으로써 외측렌즈(30)의 스냅피스(110)는 마스크(2)의 탄성홀더(120)에 매우 안정되게 장착될 수 있다. In particular, the elastic holder 120 is formed so as to oppose the snap piece 110 of the outer lens 30 at the edge provided with the see-through lens 3 of the mask 2, the snap piece 110 of the outer lens 30 is The elastic holder 120 of the mask 2 can be mounted very stably.
탄성홀더(120)는 도 4에 도시된 바와 같이, 외측렌즈(30)에 인접하는 전방면(120a) 및 스냅피스(110)의 스냅돌기(115)가 걸림결합되는 후방면(120b)을 가진다. As shown in FIG. 4, the elastic holder 120 has a front surface 120a adjacent to the outer lens 30 and a rear surface 120b to which the snap protrusion 115 of the snap piece 110 is engaged. .
그리고, 탄성홀더(120)는 그 내부에 상술한 스냅피스(110)가 결합되는 결합공(125)을 가진다. 결합공(125)은 탄성홀더(120)의 내부에서 탄성홀더(120)의 길이방향(화살표 L방향 참조)을 따라 관통되게 형성되고, 이러한 결합공(125)은 스냅피스(110)의 단면형상에 대응하는 단면을 가진다. In addition, the elastic holder 120 has a coupling hole 125 to which the above-described snap piece 110 is coupled. The coupling hole 125 is formed to penetrate in the elastic holder 120 along the longitudinal direction of the elastic holder 120 (see arrow L direction), and the coupling hole 125 has a cross-sectional shape of the snap piece 110. It has a cross section corresponding to
또한, 결합공(125)은 도 4에 도시된 바와 같이 탄성홀더(120)의 전방면(120a)에 형성된 인입개구(125a) 및 탄성홀더(120)의 후방면(120b)에 형성된 인출개구(125b)를 가진다. 스냅피스(110)는 결합공(125)의 인입개구(125a)를 통과하여 삽입된 이후에 스냅피스(110)의 스냅돌기(115)가 결합공(125)의 인출개구(125b)로 돌출될 때까지 삽입된다. 이렇게 결합공(125)의 인출개구(125b)에서 돌출된 스냅돌기(115)는 탄성홀더(120)의 후방면(120b)에 걸림결합된다. In addition, as shown in FIG. 4, the coupling hole 125 includes an inlet opening 125a formed in the front surface 120a of the elastic holder 120 and an outlet opening formed in the rear surface 120b of the elastic holder 120. 125b). After the snap piece 110 is inserted through the inlet opening 125a of the coupling hole 125, the snap protrusion 115 of the snap piece 110 may protrude into the outlet opening 125b of the coupling hole 125. Until it is inserted. The snap protrusion 115 protruding from the withdrawal opening 125b of the coupling hole 125 is engaged with the rear surface 120b of the elastic holder 120.
일 실시예에 따르면, 도 5에 예시된 바와 같이 스냅피스(110)의 단면이 사각형 형상으로 이루어질 경우, 이에 대응하여 결합공(125)의 단면 형상 또한 사각형 형상으로 이루어질 수 있다. 이와 같이, 결합공(125)이 사각형 형상으로 이루어짐에 따라 결합공(125)의 주변에 복수의 측벽(121, 122, 123, 124)이 형성될 수 있다. According to one embodiment, as shown in FIG. 5, when the cross section of the snap piece 110 has a quadrangular shape, the cross section of the coupling hole 125 may also have a quadrangular shape correspondingly. As such, as the coupling hole 125 has a rectangular shape, a plurality of sidewalls 121, 122, 123, and 124 may be formed around the coupling hole 125.
복수의 측벽(121, 122, 123, 124)은 도 5에 예시된 바와 같이, 마스크(2)의 표면에 인접한 제1측벽(121)과, 마스크(2)의 외부에 인접한 제2측벽(122)과, 마스크(2)의 상부방향에 위치한 제3측벽(123)과, 마스크(2)의 하부방향에 위치한 제4측벽(124)으로 이루어진다. As illustrated in FIG. 5, the plurality of side walls 121, 122, 123, and 124 may include a first side wall 121 adjacent to the surface of the mask 2 and a second side wall 122 adjacent to the outside of the mask 2. ), A third side wall 123 positioned in an upper direction of the mask 2, and a fourth side wall 124 positioned in a lower direction of the mask 2.
제2측벽(122)은 도 5에 도시된 바와 같이 마스크(2)의 외부에 인접함에 따라 제1측벽(121)과 대향한다. 제3측벽(123)은 도시된 바와 같이 마스크(2)의 상부에서 제1측벽(121) 및 제2측벽(122)의 상부측을 연결한다. 제4측벽(124)은 도시된 바와 같이 마스크(3)의 하부에서 제3측벽(123)과 대향하면서 제1측벽(121) 및 제2측벽(122)의 하부측을 연결한다.As shown in FIG. 5, the second side wall 122 faces the first side wall 121 as adjacent to the outside of the mask 2. As illustrated, the third side wall 123 connects the upper side of the first side wall 121 and the second side wall 122 to the upper portion of the mask 2. The fourth side wall 124 connects the lower side of the first side wall 121 and the second side wall 122 while facing the third side wall 123 at the bottom of the mask 3 as shown.
따라서, 복수의 측벽(121, 122, 123, 124)은 도 5에 도시된 바와 같이 스냅피스(110)를 탄성홀더(120)가 실질적으로 사방에서 포위하는 상태로 구속할 수 있다.Accordingly, the plurality of side walls 121, 122, 123, and 124 may restrict the snap piece 110 to the state in which the elastic holder 120 is substantially surrounded in all directions as shown in FIG. 5.
한편, 탄성홀더(120)의 일측에는 절개부(126)가 탄성홀더(120)의 길이방향(화살표 L 방향 참조)을 따라 연장되어 형성되고, 이 절개부(126)는 결합공(125)과 소통하도록 형성된다. 일 실시예에 따르면, 절개부(126)는 마스크(2)의 외부에 인접한 제2측벽(122)에 형성될 수 있다. On the other hand, one side of the elastic holder 120 is formed with an incision 126 is extended along the longitudinal direction (see arrow L direction) of the elastic holder 120, the incision 126 is coupled to the coupling hole 125 and It is formed to communicate. According to one embodiment, the cutout 126 may be formed in the second side wall 122 adjacent to the outside of the mask 2.
특히, 절개부(126)는 결합공(125)의 길이방향(w2-결합공의 폭)에 대해 직교하는 방향으로 절개됨으로써 결합공(125)의 일측은 마스크(2)의 외부방향으로 개방된다. 그리고, 제2측벽(122)는 절개부(126)에 의해 폭방향(화살표 W방향 참조)으로 분할된 한 쌍의 절개에지(122a, 122b)를 가지고, 이러한 한 쌍의 절개에지(122a, 122b)는 결합공(125) 내에 스냅피스(110)가 삽입 내지 분리됨에 따라 벌려짐 내지 오무려짐이 용이하게 이루어질 수 있다. In particular, the cutout 126 is cut in a direction orthogonal to the longitudinal direction of the coupling hole 125 (the width of the w2-combination hole), so that one side of the coupling hole 125 is opened toward the outside of the mask 2. . The second side wall 122 has a pair of cut edges 122a and 122b divided in the width direction (see arrow W direction) by the cutout portion 126, and the pair of cut edges 122a and 122b is used. ), The snap piece 110 can be easily opened or pinched as the snap piece 110 is inserted into or separated from the coupling hole 125.
도 3에 도시된 바와 같이, 절개부(126)의 폭(W1)은 결합공(125)의 폭(W2) 보다 작게 형성되고, 이에 의해 스냅피스(110)가 결합공(125)에 삽입될 때 그 삽입을 보다 부드럽고 원활하게 할 수 있음과 더불어, 스냅피스(110)가 결합공(125)에 결합되면 그 결합된 상태를 매우 견고하고 안정되게 유지할 수 있다. As shown in FIG. 3, the width W1 of the cutout 126 is smaller than the width W2 of the coupling hole 125, whereby the snap piece 110 may be inserted into the coupling hole 125. When the insertion can be made more smoothly and smoothly, when the snap piece 110 is coupled to the coupling hole 125, the coupled state can be maintained very firmly and stably.
그리고, 탄성홀더(120)의 제2측벽(122)은 스냅피스(110)가 결합된 상태를 안정되게 유지하도록 지지하는 지지 구성인 점에서, 제2측벽(122)은 스냅피스(110)의 결합력을 충분히 지지할 수 있을 정도의 두께로 이루어짐이 바람직하다. 일 예로, 제2측벽(122)의 두께는 3~4mm 정도로 이루어짐으로써 스냅피스(110)의 결합된 상태를 안정되게 지지할 수도 있다. 또 다른 예로서, 제2측벽(122)의 두께(t2)는 스냅피스(110)의 두께(t1)의 1/2 내지 1/3 범위 이내로 이루어짐으로써 두께(t2)에 따른 강성을 통해 스냅피스(110)의 결합된 상태를 보다 안정되게 지지할 수도 있다. In addition, since the second side wall 122 of the elastic holder 120 is a support structure for supporting the state in which the snap piece 110 is held in a stable state, the second side wall 122 is formed of the snap piece 110. It is preferable that the thickness is made enough to support the bonding force. For example, the second side wall 122 may have a thickness of about 3 to 4 mm to stably support the coupled state of the snap piece 110. As another example, the thickness t2 of the second side wall 122 is within a range of 1/2 to 1/3 of the thickness t1 of the snap piece 110, thereby providing a snap piece through the rigidity according to the thickness t2. The coupled state of the 110 may be supported more stably.
즉, 제2측벽(122)은 스냅피스(110)의 두께(t1) 보다 얇은 두께(t2)로 형성될 수 있다.That is, the second side wall 122 may be formed to a thickness t2 that is thinner than the thickness t1 of the snap piece 110.
이와 같이, 본 발명은 마스크(2)의 탄성홀더(120)에 절개부(126)가 마련됨에 따라 스냅피스(110)가 탄성홀더(120)의 결합공(125)에 매우 간편하게 결합될 수 있고, 결합공(125)에 끼워진 스냅피스(110)를 분리하고자 할 경우에 절개부(126)를 향해 스냅피스(110)를 비틀어줌으로써 절개부(126)에 인접한 절개에지(122a, 122b)들이 용이하게 벌어짐으로써 스냅피스(110)의 분리가 매우 손쉽게 이루어지는 장점이 있다.As such, according to the present invention, as the cutout 126 is provided in the elastic holder 120 of the mask 2, the snap piece 110 may be easily coupled to the coupling hole 125 of the elastic holder 120. When the snap piece 110 inserted into the coupling hole 125 is to be removed, the cutting edges 122a and 122b adjacent to the cutout part 126 are easily twisted by twisting the snap piece 110 toward the cutout part 126. As a result, the separation of the snap piece 110 is made very easy.
이상과 같이 구성된 본 발명에 의한 외측렌즈의 장착 내지 분리를 상세히 살펴보면 다음과 같다. Looking at the mounting or detachment of the outer lens according to the invention configured as described above in detail as follows.
먼저, 외측렌즈(30)의 스냅피스(110)를 마스크(2)의 탄성홀더(120)에 결합하고자 할 경우, 스냅피스(110)의 스냅돌기(115)를 결합공(125)의 인입개구(125a)를 통과시켜 스냅피스(110)를 결합공(125)의 길이방향을 따라 삽입한다. 이때, 스냅돌기(115)가 결합공(125) 내로 삽입되는 도중에 경사면(115a)에 의해 결합공(125) 내로 매우 부드럽게 삽입된다. 더불어, 스냅피스(110)는 탄성홀더(120)의 절개부(126)에 의해 절개에지(122a, 122b)가 외측으로 쉽게 벌려질 수 있으므로, 탄성홀더(120)의 결합공(120)의 확장이 이루어져 그 삽입이 보다 원활하고 손쉽게 이루어질 수 있다. First, when the snap piece 110 of the outer lens 30 is to be coupled to the elastic holder 120 of the mask 2, the snap projection 115 of the snap piece 110 to the opening opening of the coupling hole 125 Passing through the 125a to insert the snap piece 110 along the longitudinal direction of the coupling hole (125). At this time, the snap protrusion 115 is inserted into the coupling hole 125 very smoothly by the inclined surface 115a while the snap protrusion 115 is inserted into the coupling hole 125. In addition, since the cutting pieces 122a and 122b of the snap piece 110 can be easily opened to the outside by the cutout 126 of the elastic holder 120, the expansion of the coupling hole 120 of the elastic holder 120 is extended. This insertion can be made more smoothly and easily.
이렇게 스냅피스(110)가 결합공(125)에 완전히 삽입되면, 스냅돌기(115)가 결합공(125)의 인출개구(125b)를 통과하여 돌출된다. 이렇게 스냅돌기(115)가 결합공(125)의 인출개구(125b)를 통고하여 돌출되면 스냅돌기(115)의 걸림턱(115b)은 탄성홀더(120)의 후방면(120b)에 걸림결합되고, 이에 스냅돌기(115)의 걸림턱(115b)은 탄성홀더(120)의 절개에지(122a, 122b)들이 벌이짐을 차단하여 스냅피스(110)가 결합공(125)에 결합된 상태를 안정되게 유지할 수 있다. When the snap piece 110 is completely inserted into the coupling hole 125, the snap protrusion 115 protrudes through the withdrawal opening 125b of the coupling hole 125. When the snap protrusion 115 protrudes through the withdrawal opening 125b of the coupling hole 125, the locking jaw 115b of the snap protrusion 115 is engaged with the rear surface 120b of the elastic holder 120. The jaw 115b of the snap protrusion 115 blocks the cutting edges 122a and 122b of the elastic holder 120 to stably stabilize the state where the snap piece 110 is coupled to the coupling hole 125. I can keep it.
이와 반대로, 외측렌즈(20)를 마스크(2)에서 분리하고자 할 경우에는 탄성홀더(120)의 결합공(125)에 결합된 스냅피스(110)를 절개부(126)를 향해 비틀면(회전), 절개부(126)에 인접한 절개에지(122a, 122b)들이 외측으로 벌어짐으로써 스냅피스(110)를 결합공(125)에서 매우 용이하게 분리할 수 있다.On the contrary, when the outer lens 20 is to be separated from the mask 2, the snap piece 110 coupled to the coupling hole 125 of the elastic holder 120 is twisted toward the cutout 126 (rotation). In addition, since the cutting edges 122a and 122b adjacent to the cutting portion 126 open outwardly, the snap piece 110 may be easily separated from the coupling hole 125.
도 5 내지 도 7은 본 발명의 다른 실시예에 따른 방독면용 외측렌즈 장착기구(100)를 도시한 도면이다. 5 to 7 are views illustrating an outer lens mounting mechanism 100 for a gas mask according to another embodiment of the present invention.
도시된 바와 같이, 본 발명의 다른 실시예에 의하면 탄성홀더(120) 내에 복수의 결합공(125)이 구획벽(128)에 의해 구획되게 형성되고, 각 결합공(125)에 대응하여 제2측벽(122)에 복수의 절개부(126)가 개별적으로 형성된다. 그리고, 결합공(125)의 갯수에 대응하여 복수의 스냅피스(110)가 분할되게 형성된다. As shown, according to another embodiment of the present invention, a plurality of coupling holes 125 are formed to be partitioned by the partition wall 128 in the elastic holder 120 and corresponding to each coupling hole 125. A plurality of cutouts 126 are formed separately on the sidewall 122. In addition, the plurality of snap pieces 110 are formed to correspond to the number of coupling holes 125.
이와 같이, 본 발명의 다른 실시예에 따르면, 복수의 스냅피스(110)가 복수의 결합공(125)에 개별적으로 삽입되어 결합됨으로써 그 결합력이 보다 강화될 수 있다. As such, according to another exemplary embodiment of the present invention, the plurality of snap pieces 110 may be individually inserted into and coupled to the plurality of coupling holes 125, thereby increasing the coupling force.
그리고, 구획벽(128)은 스냅피스(110)들이 결합공(125)에 삽입된 후 탄성홀더(120)의 후방면(120b)에 걸려서 결합될 경우 후방면(120b)에 걸린 스냅피스(110)를 충분히 지지하여 이탈을 방지시키도록, 폭(W3)이 스냅피스(110)들 사이의 분할 간격(W4)보다 약간 좁거나 거의 동일하게 형성된다. 따라서, 구획벽(128)은 폭(W3)에 의해 강성이 확보되므로 후방면(120b)에 걸린 스냅피스(110)를 충분히 지지하여 이탈을 방지할 수 있다. 이때, 복수의 결합공(125)에 개별적으로 결합된 복수의 스냅피스(110)들은 탄성홀더(120)의 탄성력에 의해 폭방향으로 탄성력을 인가받는 상태가 되므로 그 결합력이 보다 확실하게 보강될 수 있다.In addition, the partition wall 128 is the snap piece 110 is caught on the rear surface (120b) when the snap piece 110 is inserted into the coupling hole 125 and is caught by the rear surface (120b) of the elastic holder 120 is coupled. ), The width W3 is formed to be slightly narrower or substantially the same as the division interval W4 between the snap pieces 110 to sufficiently support). Therefore, since the partition wall 128 is secured by the width W3, the partition wall 128 may sufficiently support the snap piece 110 fastened to the rear surface 120b to prevent detachment. In this case, since the plurality of snap pieces 110 individually coupled to the plurality of coupling holes 125 are in a state in which elastic force is applied in the width direction by the elastic force of the elastic holder 120, the coupling force may be more reliably reinforced. have.
여기서, 전술한 구획벽(128)은 스냅피스(110)들 사이의 간격(W4)에 대해 대략 0.85배 내지 0.98배의 폭(W3)으로 형성되어야 충분한 강성확보가 가능하며, 0.85배 이하일 경우 소망하는 강성을 확보할 수 없고, 0.98배 이상일 경우 소망하는 강성보다 강한 강성은 확보가 가능하지만 재료비가 불필요하게 소요된다. 따라서, 구획벽(128)은 전술한 비율의 폭(W3)으로 형성되는 것이 바람직하다. 예를 들어, 구획벽(128)은 스냅피스(110)들 사이의 간격(W4)이 약 5.5mm일 경우 약 4.7mm 내지 5.4mm의 폭(W3)으로 형성되는 것이 바람직하다.Here, the partition wall 128 described above should be formed with a width W3 of approximately 0.85 times to 0.98 times with respect to the gap W4 between the snap pieces 110 to secure sufficient stiffness. It is impossible to secure the stiffness, and if it is more than 0.98 times, the stiffness stronger than the desired stiffness can be secured, but the material cost is unnecessary. Therefore, the partition wall 128 is preferably formed with the width W3 of the above-mentioned ratio. For example, the partition wall 128 is preferably formed with a width W3 of about 4.7 mm to 5.4 mm when the gap W4 between the snap pieces 110 is about 5.5 mm.
특히, 본 발명의 출원인이 실험한 바에 따르면, 구획벽(128)은 스냅피스(110)들 사이의 간격(W4)에 대해 약 0.92배의 폭(W3)으로 형성되는 것이 재료비 절감 및 강성확보에 가장 효율적이었다. 예를 들어, 구획벽(128)은 스냅피스(110)들 사이의 간격(W4)이 5.5mm일 경우 약 5mm의 폭(W3)으로 형성되는 것이 바람직하였다.In particular, according to the experiment of the applicant of the present invention, the partition wall 128 is formed to have a width W3 of about 0.92 times the spacing W4 between the snap pieces 110 to reduce the material cost and secure the rigidity. It was the most efficient. For example, the partition wall 128 is preferably formed with a width W3 of about 5 mm when the gap W4 between the snap pieces 110 is 5.5 mm.
한편, 다른 실시예에서 미설명된 그외 나머지 구성 및 작용은 선행하는 실시예와 유사 내지 동일하므로 그 자세한 설명은 생략한다. On the other hand, other configurations and actions that are not described in the other embodiments are similar to or the same as the preceding embodiment and detailed description thereof will be omitted.
이상, 본 발명의 구체적인 실시예를 설명하였으나, 본 발명은 이 명세서에 개시된 실시예 및 첨부된 도면에 의하여 한정되지 않으며 본 발명의 기술적 사상을 벗어나지 않는 범위 이내에서 당업자에 의하여 다양하게 변형될 수 있다.As mentioned above, specific embodiments of the present invention have been described, but the present invention is not limited to the embodiments disclosed in the present specification and the accompanying drawings, and may be variously modified by those skilled in the art without departing from the technical spirit of the present invention. .

Claims (3)

  1. 방독면(1)의 마스크(2)에 마련된 한 쌍의 투시렌즈(3)를 함께 차폐하는 단일체의 외측렌즈(30)를 분리가능하게 장착시키는 방독면용 외측렌즈 장착기구로서, An outer lens mounting mechanism for a gas mask, which detachably mounts a single outer lens 30 that shields a pair of see-through lenses 3 provided on the mask 2 of the gas mask 1 together,
    상기 외측렌즈(30)의 가장자리에 연장 돌출된 스냅피스(110); 및 A snap piece 110 protruding to an edge of the outer lens 30; And
    상기 마스크(2)의 테두리에 동일체로 형성되고, 상기 스냅피스(110)가 분리가능하게 끼움결합되는 결합공(125) 및 결합공(125)의 주변에 구비된 복수의 측벽을 가진 탄성홀더(120);를 포함하고, An elastic holder having a plurality of sidewalls formed in the same shape on the edge of the mask 2 and having a coupling hole 125 and a coupling hole 125 around which the snap piece 110 is detachably fitted ( 120);
    상기 결합공(125)은,The coupling hole 125,
    상기 탄성홀더(120)의 내측에서 상기 탄성홀더(120)의 길이방향을 따라 관통되며,It penetrates along the longitudinal direction of the elastic holder 120 in the inner side of the elastic holder 120,
    상기 탄성홀더(120)는,The elastic holder 120,
    상기 복수의 측벽 중 어느 하나의 측벽에 상기 결합공(125)과 소통하고, 상기 마스크(2)의 외부를 향해 개방되는 절개부(126);를 더 포함하고,And a cutout 126 in communication with the coupling hole 125 and open toward the outside of the mask 2 on any one of the sidewalls.
    상기 탄성홀더(120)는,The elastic holder 120,
    상기 절개부(126)에 의해 폭방향으로 이격되어 벌림가능하게 마련되는 한 쌍의 절개에지(122a, 122b);를 더 포함하며, And a pair of cutting edges 122a and 122b spaced apart from each other in the width direction by the cutout 126 to be opened.
    상기 결합공(125)은,The coupling hole 125,
    상기 탄성홀더(120)의 전방면(120a)에 형성된 인입개구(125a); 및An inlet opening 125a formed in the front surface 120a of the elastic holder 120; And
    상기 탄성홀더(120)의 후방면(120b)에 형성된 인출개구(125b);를 더 포함하고,Further comprising; a withdrawal opening (125b) formed on the rear surface (120b) of the elastic holder 120,
    상기 절개부(126)는,The cutout 126 is,
    상기 탄성홀더(120)의 길이방향을 따라 연장되어 형성되고, 상기 결합공(125)의 길이방향에 대해 직교하는 방향으로 절개되는 것을 특징으로 하며,It is formed extending in the longitudinal direction of the elastic holder 120, characterized in that the incision in a direction perpendicular to the longitudinal direction of the coupling hole 125,
    상기 절개부(126)의 폭(W1)은,The width W1 of the cutout 126 is,
    상기 결합공(125)의 폭(W2) 보다 작게 형성되는 방독면용 외측렌즈 장착기구.Outer lens mounting mechanism for the gas mask is formed smaller than the width (W2) of the coupling hole (125).
  2. 청구항 1에 있어서, 상기 복수의 측벽은,The method according to claim 1, wherein the plurality of side walls,
    상기 마스크(2)의 표면에 인접한 제1측벽(121);A first side wall 121 adjacent the surface of the mask 2;
    상기 제1측벽(121)과 대향하고, 상기 마스크(2)의 외부에 인접한 제2측벽(122);A second side wall 122 facing the first side wall 121 and adjacent to the outside of the mask 2;
    상기 마스크(2)의 상부방향에 위치하고, 상기 제1측벽(121) 및 상기 제2측벽(122)의 상부측을 연결하는 제3측벽(123); 및A third side wall 123 positioned in an upper direction of the mask 2 and connecting an upper side of the first side wall 121 and the second side wall 122; And
    상기 마스크(2)의 하부방향에 위치하여 상기 제3측벽(123)과 대향하면서 상기 마스크(2)의 하부에서 상기 제1측벽(121) 및 상기 제2측벽(122)의 하부측을 연결하는 제4측벽(124);을 포함하고,The lower side of the mask 2 is connected to the lower side of the first side wall 121 and the second side wall 122 while facing the third side wall 123 while facing the third side wall 123. Including a fourth side wall 124;
    상기 제2측벽(122)은,The second side wall 122,
    상기 스냅피스(110)의 두께(t1) 보다 얇은 두께(t2)를 갖는 것을 특징으로 하는 방독면용 외측렌즈 장착기구.Outer lens mounting mechanism for a gas mask characterized in that it has a thickness (t2) than the thickness (t1) of the snap piece (110).
  3. 청구항 1에 있어서, 상기 탄성홀더(120)는,The method according to claim 1, wherein the elastic holder 120,
    상기 결합공(125)을 분할하는 구획벽(128);을 더 포함하고,Further comprising; partition wall 128 for dividing the coupling hole 125,
    상기 탄성홀더(120)는,The elastic holder 120,
    상기 구획벽(128)에 의해 상기 결합공(126)이 복수를 이루며,The coupling hole 126 is formed by a plurality of partition walls 128,
    상기 절개부(126)는,The cutout 126 is,
    상기 결합공(126)들의 갯수에 대응되도록 복수로 구성되고, 상기 결합공(126)들에 각각 개별적으로 형성되며,It is composed of a plurality so as to correspond to the number of the coupling holes 126, respectively formed in the coupling holes 126,
    상기 스냅피스(110)는,The snap piece 110,
    상기 결합공(125)들의 갯수에 대응되도록 분할되어 복수를 이루는 것을 특징으로 하는 방독면용 외측렌즈 장착기구.The outer lens mounting mechanism for the gas mask, characterized in that divided into corresponding to the number of the coupling holes (125) to form a plurality.
PCT/KR2015/006108 2014-07-11 2015-06-17 Device for mounting outer lens for gas mask WO2016006836A1 (en)

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