JP5663677B1 - Protective mask - Google Patents

Protective mask Download PDF

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JP5663677B1
JP5663677B1 JP2014005129A JP2014005129A JP5663677B1 JP 5663677 B1 JP5663677 B1 JP 5663677B1 JP 2014005129 A JP2014005129 A JP 2014005129A JP 2014005129 A JP2014005129 A JP 2014005129A JP 5663677 B1 JP5663677 B1 JP 5663677B1
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support frame
groove
connecting rod
connecting member
protective plate
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JP2015131047A (en
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明正 王
明正 王
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明正 王
明正 王
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Priority to JP2014005129A priority Critical patent/JP5663677B1/en
Priority to CA2876419A priority patent/CA2876419A1/en
Priority to KR1020150000799A priority patent/KR20150085470A/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

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

【課題】 折りたたむことができ、ノーズパッドの角度が調整可能である防護マスクを提供する。【解決手段】 一つの支持枠１が設けられ、支持枠１の両端それぞれに一つの切溝１０が形成されている。一つの連接部材２は、支持枠１の接続棒１３に設置され、連接部材２の一端にＣ形溝部２０が形成され、Ｃ形溝部２０の中間部位に切欠き２１が形成されている。接続部材２の他端に凸部２２が設けられ、凸部２２に一つの環状溝２３が形成されている。一つのノーズパット３は、支持枠１の接続棒１３の上に設けられ、接続部３０に接続溝３１が形成されている。接続溝３１の内壁面には複数の係止溝３２が形成されている。また、一つの防護板４は、支持枠１の前方に設けられ、中間部位に差込穴４０が形成されており、防護板４の両端に嵌合溝４１が形成されている。【選択図】図１PROBLEM TO BE SOLVED: To provide a protective mask which can be folded and an angle of a nose pad is adjustable. One support frame 1 is provided, and one kerf 10 is formed at each end of the support frame 1. One connecting member 2 is installed on the connecting rod 13 of the support frame 1, a C-shaped groove 20 is formed at one end of the connecting member 2, and a notch 21 is formed at an intermediate portion of the C-shaped groove 20. A convex portion 22 is provided at the other end of the connecting member 2, and one annular groove 23 is formed in the convex portion 22. One nose pad 3 is provided on the connecting rod 13 of the support frame 1, and a connecting groove 31 is formed in the connecting portion 30. A plurality of locking grooves 32 are formed on the inner wall surface of the connection groove 31. One protective plate 4 is provided in front of the support frame 1, an insertion hole 40 is formed at an intermediate portion, and fitting grooves 41 are formed at both ends of the protective plate 4. [Selection] Figure 1

Description

本発明は、収納可能であり、ノーズパッドの角度が調整可能である防護マスクに関する。   The present invention relates to a protective mask that can be stored and the angle of a nose pad is adjustable.

野外活動で、日差しが強い場合、目の保護用にサングラスがかけられている。しかしながら、サングラスは、単なる目を保護することができるが、顔面部の肌の保護、および紫外線カットまたは砂埃による顔面部の傷つけを防ぐことはできない。また、キッチンの作業員が調理するとき、飛び跳ねる高温の油は、作業員の顔面部をやけどするだけでなく、目を傷つける恐れがある。さらに、医療関係者が患者に治療を行うとき、患者の分泌物または飛沫が顔や目に噴き出し飛び散られる危険性がある。   Sunglasses are used to protect the eyes when the sun is strong during outdoor activities. However, sunglasses can protect only the eyes, but cannot protect the skin of the face and prevent the face from being damaged by ultraviolet rays or dust. Also, when cooking in the kitchen, the hot oil that jumps can not only burn the face of the worker but also hurt the eyes. Furthermore, when medical personnel treat a patient, there is a risk that the patient's secretions or droplets may be ejected and scattered from the face or eyes.

そこで、図８に示すような市販の簡易型防護マスクがある。それは、主に帽体６０および板部６１から成る。前記帽体６０は縁部６００を備え、前記縁部６００の両側は後ろ方向に延伸部６０１が形成されている。前記板部６１の上縁は、複数の固定部材６２によって前記板部６１を前記帽体６０の縁部６００の底部に固設し、前記板部６１によって前記帽体６０に結合され、着用者の頭部につけられ、顔面部を保護する。   Therefore, there is a commercially available simple protective mask as shown in FIG. It mainly consists of a cap body 60 and a plate part 61. The cap body 60 includes an edge portion 600, and extending portions 601 are formed on both sides of the edge portion 600 in the rearward direction. The upper edge of the plate portion 61 is fixed to the bottom portion of the edge portion 600 of the cap body 60 by a plurality of fixing members 62, and is coupled to the cap body 60 by the plate portion 61. It is attached to the head and protects the face.

しかしながら、周知の防護マスクは、帽体６０の延伸部６０１によって着用者の頭部に挟むだけで、縁部６００の下方に板部６１が固設されて、板部６１の重量が縁部６００を前下方向に動かせるので、防護マスクが着用者の頭部に止着するのが難しい。また、板部６１と帽体６０は固着しているため、着用者の顔型に合わせて防護マスクを調整することができない。そして、板部６１が折り畳めないため、大きな収納空間を占めており、防護マスクの体積が大きいので、携帯に不便だけでなく、包装面積も極めて大きく占めている。   However, in the known protective mask, the plate portion 61 is fixed below the edge portion 600 only by being sandwiched between the wearer's head by the extending portion 601 of the cap body 60, and the weight of the plate portion 61 is the edge portion 600. Can be moved forward and downward, making it difficult for the protective mask to attach to the wearer's head. Moreover, since the board part 61 and the cap body 60 are adhering, a protective mask cannot be adjusted according to a wearer's face type. And since the board part 61 cannot be folded, it occupies a big storage space, and since the volume of a protective mask is large, it is not only inconvenient for carrying but also occupies a very large packaging area.

本発明は、上述の問題に鑑みてなされたものであり、その目的は、折りたたむことができ、ノーズパッドの角度が調整可能である防護マスクを提供することにある。   The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a protective mask that can be folded and the angle of the nose pad can be adjusted.

本発明の防護マスクは、一つの支持枠、一つの連接部材、一つのノーズパッドおよび一つの防護板を備える。
支持枠は、両端に切溝が形成されている。切溝には、位置決め部が設けられている。支持枠の両端には、後ろ方向に延びる掛け部が設けられている。支持枠の中間部位に接続棒が設けられている。
連接部材は、支持枠の接続棒の上に設けられている。連接部材の一端にＣ形溝部が形成されている。Ｃ形溝部に一つの切欠きが形成されており、連接部材の他端に一つの凸部が設けられており、凸部に環状溝が形成されている。
また、ノーズパッドは、支持枠の接続棒に設けられており、ノーズパッドの上端に接続部が設けられている。接続部は、連接部材の切欠き内に設けられており、接続溝が形成されている。
防護板は、支持枠の前方に設置され、中間部位に差込穴が形成されている。差込穴は、連接部材の凸部を穿設するためである。防護板の両端に嵌合溝が形成されている。嵌合溝は支持枠両端の切溝内の位置決め部と相互に嵌めあうことで位置決めを行う。 The protective mask of the present invention includes one support frame, one connecting member, one nose pad, and one protective plate.
The support frame has kerfs at both ends. A positioning part is provided in the kerf. At both ends of the support frame, hooks extending in the rearward direction are provided. A connecting rod is provided at an intermediate portion of the support frame.
The connecting member is provided on the connecting rod of the support frame. A C-shaped groove is formed at one end of the connecting member. One notch is formed in the C-shaped groove, one protrusion is provided at the other end of the connecting member, and an annular groove is formed in the protrusion.
Further, the nose pad is provided on the connecting rod of the support frame, and a connecting portion is provided on the upper end of the nose pad. The connecting portion is provided in the notch of the connecting member, and a connecting groove is formed.
The protective plate is installed in front of the support frame, and an insertion hole is formed at an intermediate portion. An insertion hole is for drilling the convex part of a connection member. Fitting grooves are formed at both ends of the protective plate. The fitting groove is positioned by fitting with the positioning portions in the cut grooves at both ends of the support frame.

本発明の防護マスクにおける支持枠は、接続棒に少なくとも一つの係止歯部が設けられている。ノーズパッドは、接続溝の中に複数の係止溝が形成されている。接続棒の少なくとも一つの係止歯部と接続溝の係止溝とが嵌合することで、ノーズパッドの角度を調整し、位置決めを行う。   The support frame in the protective mask of the present invention is provided with at least one locking tooth portion on the connecting rod. The nose pad has a plurality of locking grooves formed in the connection groove. The angle of the nose pad is adjusted and positioning is performed by fitting at least one locking tooth portion of the connecting rod and the locking groove of the connecting groove.

本発明の防護マスクにおける防護板は、透明板である。   The protective plate in the protective mask of the present invention is a transparent plate.

本発明の防護マスクにおける防護板は、色のついた紫外線抵抗性のある透光板である。   The protective plate in the protective mask of the present invention is a colored ultraviolet-resistant transparent plate.

本発明の防護マスクの長所は以下のとおりである。
１．本発明の組み立ては非常に便利で快速である。また、防護板と支持枠は、折り畳み可能で、比較的に空間を占めないだけでなく、携帯に便利である。
２．本発明の防護板と支持枠は、折り畳んだ後、体積が小さくなり、包装材料を節約することができる。
３．本発明のノーズパッドは、回転して調整可能であり、着用者の鼻柱の高低によりノーズパッドの位置を調整することができる。
４．本発明は、食品を調理するとき、油が顔面部や目へ飛び跳ねることを防止し、油煙が顔面部の肌や目に影響することを阻み、顔面部および目の保護効果を確実に果たす。
５．本発明は、野外活動のとき、防塵および紫外線カットの効果を有し、極めてよい日焼け止め効果を有する。
６．本発明が医療に使用されるとき、患者の分泌物が噴き出し飛び散ることによる飛沫伝染を阻むことができる。
７．本発明の防護板が汚れまたは破損された場合、支持枠から取り外し交換可能であり、取り付けも極めて便利である。 The advantages of the protective mask of the present invention are as follows.
1. The assembly of the present invention is very convenient and fast. Further, the protective plate and the support frame are foldable and do not occupy a relatively large space, but are convenient for carrying.
2. The protective plate and the support frame of the present invention can be reduced in volume after being folded, thus saving packaging materials.
3. The nose pad of the present invention can be adjusted by rotating, and the position of the nose pad can be adjusted by the height of the wearer's nose column.
4). When cooking food, the present invention prevents oil from jumping to the face and eyes, prevents oil smoke from affecting the skin and eyes of the face, and reliably protects the face and eyes.
5. The present invention has a dust-proofing effect and an ultraviolet-cutting effect during outdoor activities, and a very good sunscreen effect.
6). When the present invention is used for medical treatment, it is possible to prevent the spread of droplets due to the discharge of the patient's secretions.
7). When the protective plate of the present invention is soiled or damaged, it can be removed and replaced from the support frame, and attachment is extremely convenient.

本発明の実施例を示す分解斜視図である。It is a disassembled perspective view which shows the Example of this invention. 図１におけるＡ部分の拡大図である。It is an enlarged view of A part in FIG. 本発明の実施例の斜視図である。It is a perspective view of the Example of this invention. 本発明の実施例の組立断面図である。It is assembly sectional drawing of the Example of this invention. 図４におけるＢ部分の拡大図である。It is an enlarged view of the B section in FIG. 本発明の実施例の使用状態を示す図である。It is a figure which shows the use condition of the Example of this invention. 本発明の実施例において折り畳み、包装後の状態を示す図である。It is a figure which shows the state after folding and packaging in the Example of this invention. 従来の防護マスクを示す図である。It is a figure which shows the conventional protective mask.

上述の使用目的と効果を実現するために、本発明で使用する技術方法を、図面に基づいて、以下の実施例を用いて説明する。   The technical method used in the present invention in order to realize the above-mentioned purpose of use and effect will be described with reference to the drawings using the following examples.

本発明の実施例は、図１、図２に示すように、一つの支持枠１が設けられ、支持枠１の両端それぞれに一つの切溝１０が形成され、切溝１０内に位置決め部１１が設けられている。支持枠１の両端には、後ろ方向に延びる掛け部１２が設けられている。支持枠１の中間部位には、一つの接続棒１３が設けられ、接続棒１３には少なくとも一つの係止歯部１４が設けられている。
一つの連接部材２は、支持枠１の接続棒１３に設置され、連接部材２の一端にＣ形溝部２０が形成され、Ｃ形溝部２０の中間部位に切欠き２１が形成されている。接続部材２の他端に凸部２２が設けられ、凸部２２に一つの環状溝２３が形成されている。 In the embodiment of the present invention, as shown in FIGS. 1 and 2, one support frame 1 is provided, one kerf 10 is formed at each end of the support frame 1, and a positioning portion 11 is formed in the kerf 10. Is provided. At both ends of the support frame 1, hanging portions 12 extending in the rearward direction are provided. One connecting rod 13 is provided at an intermediate portion of the support frame 1, and the connecting rod 13 is provided with at least one locking tooth portion 14.
One connecting member 2 is installed on the connecting rod 13 of the support frame 1, a C-shaped groove 20 is formed at one end of the connecting member 2, and a notch 21 is formed at an intermediate portion of the C-shaped groove 20. A convex portion 22 is provided at the other end of the connecting member 2, and one annular groove 23 is formed in the convex portion 22.

一つのノーズパット３は、支持枠１の接続棒１３の上に設けられ、上端に接続部３０が設けられ、接続部３０に接続溝３１が形成されている。接続溝３１の内壁面には複数の係止溝３２が形成されている。
また、一つの防護板４は、支持枠１の前方に設けられ、透明板または色のついた紫外線抵抗性のある透光板であり、中間部位に差込穴４０が形成されており、防護板４の両端に嵌合溝４１が形成されている。以上をもって防護マスクが構成される。 One nose pad 3 is provided on the connecting rod 13 of the support frame 1, a connecting portion 30 is provided at the upper end, and a connecting groove 31 is formed in the connecting portion 30. A plurality of locking grooves 32 are formed on the inner wall surface of the connection groove 31.
One protective plate 4 is provided in front of the support frame 1 and is a transparent plate or a colored UV-resistant translucent plate, and an insertion hole 40 is formed at an intermediate portion. Fitting grooves 41 are formed at both ends of the plate 4. The protective mask is configured as described above.

組立のとき、図１〜図５に示すように、まずノーズパッド３の接続部３０の接続溝３１を支持枠１の接続棒１３にはめ込み、並びに支持枠１の接続棒１３の少なくとも一つの係止歯部１４をノーズパッド３の接続溝３１における少なくとも一つの係止溝に係止する。また、接続部材２のＣ形溝部２０を支持枠１の接続棒１３にはめ込む。並びにノーズパッド３の接続部３０を接続部材２の切欠き２１内にセットし、防護板４を接続部材２に構設し、接続部材２の凸部２２を防護板４の差込穴４０に挿設する。   When assembling, as shown in FIGS. 1 to 5, first, the connection groove 31 of the connection portion 30 of the nose pad 3 is fitted into the connection rod 13 of the support frame 1, and at least one of the connection rods 13 of the support frame 1 is engaged. The pawl portion 14 is locked in at least one locking groove in the connection groove 31 of the nose pad 3. Further, the C-shaped groove 20 of the connection member 2 is fitted into the connection rod 13 of the support frame 1. In addition, the connecting portion 30 of the nose pad 3 is set in the notch 21 of the connecting member 2, the protective plate 4 is installed in the connecting member 2, and the convex portion 22 of the connecting member 2 is inserted into the insertion hole 40 of the protective plate 4. Insert.

防護板４の差込穴４０の周縁は、接続部材２の環状溝２３内（図４）に嵌め込んだ後、防護板４の上縁を支持枠１の前縁に沿い折曲し、防護板４の両端の嵌合溝４１を支持枠１の両端における切溝１０内に設け、支持枠１の両端における切溝１０内の位置決め部１１を防護板４の両端における嵌合溝４１内に嵌入し、防護板４の両端の位置を決め、防護板４を支持枠１にしっかり固定する。これによって組立を完成し、組み立ては非常に便利で快速である。   The peripheral edge of the insertion hole 40 of the protective plate 4 is fitted into the annular groove 23 (FIG. 4) of the connecting member 2, and then the upper edge of the protective plate 4 is bent along the front edge of the support frame 1. The fitting grooves 41 at both ends of the plate 4 are provided in the cut grooves 10 at both ends of the support frame 1, and the positioning portions 11 in the cut grooves 10 at both ends of the support frame 1 are provided in the fitting grooves 41 at both ends of the protective plate 4. The protective plate 4 is inserted, the positions of both ends of the protective plate 4 are determined, and the protective plate 4 is firmly fixed to the support frame 1. This completes the assembly, which is very convenient and fast.

使用するとき、図３〜図７に示すように、着用者は、本発明の防護マスクの支持枠１の二つの掛け部１２を耳にかけ、ノーズパッド３を鼻の上に（図６）寄せて設置するだけで、防護板４は、着用者の顔面部を完全に覆うことができる。防護板４が色のついた紫外線抵抗性のある透光板である場合、野外活動の防塵、日焼け止めに使用することができる。また、防護板４が透明板である場合、調理のときの油はね防止に用いられる。また、医療に使われる場合、患者の分泌物の噴き出し飛び散ることによる飛沫の伝染を阻み、顔面部および目の保護効果を確実に果たす。   When used, as shown in FIGS. 3 to 7, the wearer puts the two hooks 12 of the support mask 1 of the protective mask of the present invention on his ear and puts the nose pad 3 on the nose (FIG. 6). The protective plate 4 can completely cover the wearer's face part. When the protective plate 4 is a colored UV-resistant translucent plate, it can be used for dust prevention and sun protection in outdoor activities. Moreover, when the protection board 4 is a transparent board, it is used for the oil splash prevention at the time of cooking. In addition, when used in medical treatment, it prevents the spread of splashes caused by spouts and discharges of the patient's secretions, and reliably protects the face and eyes.

また、本発明のノーズパッド３は、支持枠１の接続棒１３に回転して調整可能であるため、着用者の鼻柱の高低により自らノーズパッド３の角度（図４）を調整することができる。並びにノーズパッド３の接続部３０内の係止溝３２と支持枠１の接続棒１３の係止歯部１４とが相互に嵌め合い、固定（図５）することにより、支持枠１とノーズパッド３を着用者の顔面部にしっかりフィットさせることで、防護板４が着用者の顔面部を完全に遮蔽し、着用者が当該防護マスクをつけるとき、きわめてしっかりしていて、揺れや滑落の心配がなくなる。   Further, since the nose pad 3 of the present invention can be adjusted by rotating to the connecting rod 13 of the support frame 1, the angle (FIG. 4) of the nose pad 3 can be adjusted by the height of the wearer's nose column. it can. In addition, the engaging groove 32 in the connecting portion 30 of the nose pad 3 and the engaging tooth portion 14 of the connecting rod 13 of the support frame 1 are fitted and fixed (FIG. 5), so that the support frame 1 and the nose pad are fixed. By securely fitting 3 to the wearer's face, the protective plate 4 completely shields the wearer's face, and when the wearer wears the protective mask, the wearer is very firm and is worried about shaking and slipping Disappears.

また、本発明の防護マスク４と支持枠１を収納（図７）する場合、防護板４の両端を支持枠１の両端における切溝１０内から移出するだけで済む。即ち、接続棒１３を支持軸とし、連接部材２を下に回動すれば、連接部材２にロックされた防護板４が下に回転移動し、折り畳まれる。折り畳んだ後の防護マスクは、体積が小さくなり、携帯に便利である。また、包装袋５を用いて包装した後、包装体積を大幅に縮小し、運送や販売に便利である。   Further, when the protective mask 4 and the support frame 1 of the present invention are housed (FIG. 7), both ends of the protective plate 4 need only be transferred out of the cut grooves 10 at both ends of the support frame 1. That is, if the connecting rod 13 is used as a support shaft and the connecting member 2 is rotated downward, the protective plate 4 locked to the connecting member 2 is rotated downward and folded. The folded protective mask has a small volume and is convenient to carry. Moreover, after packaging using the packaging bag 5, the packaging volume is greatly reduced, which is convenient for transportation and sales.

また、本発明の防護板４が汚れまたは破損された場合、防護板４を連接部材２の凸部２２から取り外すことによって、防護板４を支持枠１から取り外し、新しい防護板４に交換することができる。取り換えにおいても極めて便利で快速である。   Further, when the protective plate 4 of the present invention is soiled or damaged, the protective plate 4 is removed from the support frame 1 by removing the protective plate 4 from the convex portion 22 of the connecting member 2 and replaced with a new protective plate 4. Can do. It is extremely convenient and fast for replacement.

上述のように、本発明は、予期の使用目的と効果を実現し、周知のマスクより理想的かつ実用的である。但し、上述の実施例は本発明について具体的に説明するためのものであって、本発明の特許請求の範囲を限定するものではない。本発明に記載された技術方法によって完成された等価の置換または修飾は、いずれも本発明の特許請求の範囲に属する。   As mentioned above, the present invention achieves the intended purpose and effect, and is more ideal and practical than known masks. However, the above-described embodiments are for specifically describing the present invention, and do not limit the scope of the claims of the present invention. Any equivalent substitutions or modifications completed by the technical methods described in the present invention belong to the claims of the present invention.

１ 支持枠、
１０ 切溝、
１１ 位置決め部、
１２ 掛け部、
１３ 接続棒、
１４ 係止歯部、
２ 連接部材、
２０ Ｃ形溝部、
２１ 切欠き、
２２ 凸部、
２３ 環状溝、
３ ノーズパッド、
３０ 接続部、
３１ 接続溝、
３２ 係止溝、
４ 防護板、
４０ 差込穴、
４１ 嵌合溝、
５ 包装袋、
６０ 帽体、
６００ 縁部、
６０１ 延伸部、
６１ 板部、
６２ 固定部材。 1 support frame,
10 kerf,
11 Positioning part,
12 hanging parts,
13 connecting rod,
14 locking teeth,
2 articulated members,
20 C-shaped groove,
21 Notch,
22 convex part,
23 annular groove,
3 Nose pad,
30 connections,
31 connection groove,
32 locking groove,
4 Guard plate,
40 insertion hole,
41 mating groove,
5 packaging bags,
60 caps,
600 edges,
601 stretched part,
61 Plate part,
62 Fixed member.

Claims (2)

両端に切溝が形成されており、前記切溝内に位置決め部が設けられており、両端に後ろ方向に延びる掛け部が形成されており、中間部位に接続棒が設けられている一つの支持枠と、
前記支持枠の前記接続棒に設けられており、一端にＣ形溝部が形成されており、前記Ｃ形溝部の中間部位に一つの切欠きが設けられており、他端に一つの環状溝が形成されている凸部が設けられている一つの連接部材と、
前記支持枠の前記接続棒に設けられており、上端に接続部が設けられており、前記接続部が、前記連接部材の前記切欠き内に設けられており、接続溝が形成されているノーズパットと、
前記支持枠の前方に設けられており、中間部位に差込穴が形成されており、前記差込穴が前記連接部材の凸部の穿設に用いられ、両端に嵌合溝が形成されており、前記嵌合溝が前記支持枠の両端の前記切溝内の前記位置決め部と嵌め合うことで位置決めを行う一つの防護板と、を備えることを特徴とする防護マスク。 One support in which kerfs are formed at both ends, positioning portions are provided in the kerfs, hooks extending in the rearward direction are formed at both ends, and a connecting rod is provided at an intermediate portion Frame,
Provided on the connecting rod of the support frame, a C-shaped groove is formed at one end, a notch is provided at an intermediate portion of the C-shaped groove, and an annular groove is formed at the other end. One connecting member provided with the formed convex part;
A nose provided on the connecting rod of the support frame, provided with a connecting portion at an upper end, provided with the connecting portion in the notch of the connecting member, and formed with a connecting groove. Pat and
Provided in front of the support frame, an insertion hole is formed in an intermediate portion, the insertion hole is used for drilling a convex portion of the connecting member, and fitting grooves are formed at both ends. And a protective plate that performs positioning by fitting the fitting groove with the positioning portions in the cut grooves at both ends of the support frame. 前記支持枠は、前記接続棒に少なくとも一つの係止歯部が設けられており、
前記ノーズパットは、前記接続溝の内壁面に複数の係止溝が形成されており、
前記接続棒の少なくとも一つの前記係止歯部は、前記接続溝の少なくとも一つの前記係止溝と嵌合可能であることを特徴とする請求項１に記載の防護マスク。 The support frame is provided with at least one locking tooth portion on the connecting rod,
The nose pad has a plurality of locking grooves formed on the inner wall surface of the connection groove,
The protective mask according to claim 1, wherein at least one of the locking teeth of the connecting rod can be fitted with at least one of the locking grooves of the connecting groove.
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