KR102080528B1 - Switching unit for oxygen-supplying and mask including the same - Google Patents

Abstract

The oxygen supply unit provided with the opening and closing member of the present invention is opened in one direction and a body member forming a space therein; Solid oxygen disposed inside the body member; A cover member which forms at least one hole on one surface and is engageable with the body member; A blocking member sealing the hole of the cover member; And one or more protruding ribs on one surface, wherein the protruding ribs open and close the blocking member to start oxygen generation.

Description

Oxygen supply unit with opening and closing member and mask including same {Switching unit for oxygen-supplying and mask including the same}

The present invention relates to an oxygen supply unit having an opening and closing member and a mask including the same, and more specifically, to prevent the outflow of oxygen, the oxygen supply unit released in a sealed state by pressing or rotating coupling of the opening and closing member The present invention relates to an oxygen supply unit having an opening / closing member and a mask including the same, which can be conveniently used anytime, anywhere when a user needs oxygen supply by initiating oxygen generation.

In modern cities, everyday life is exposed to the air contaminated by artificial dust such as climate change, desertification, changes in the natural environment such as yellow dust and artificial fumes such as automobile smoke and factory smoke. In particular, since the bronchus is directly exposed to fine dust due to breathing, there is a tendency to increase respiratory system diseases such as cough, asthma, and bronchitis. As the number of harmful substances in the air increases, the number of deaths due to respiratory diseases is also increasing. Seoul, in particular, has a higher concentration of fine dust compared to other major cities due to the effects of fine dust and yellow dust.

According to information released by the Ministry of Environment Air Quality Annual Report 2013, as in many big cities in the fine dust concentration in Seoul 45μg / m ³ of about 1.5 times the level of about three times in London ^{18μg / m 3, LA 30μg /} m 3 It can be seen that it is high. Therefore, it is necessary to protect the bronchi from fine dust and various harmful substances, and many people wear masks when they go out for this purpose.

Conventional general health masks or dust masks were invented to prevent inhalation of dust and fine dust floating in the air, and the rate of blocking fine dust is significantly higher than that of general masks so that the shape can be adjusted to fit the face curve It consists of a metal prosthesis. Also, a filter for blocking harmful substances inside the mask can be used to block fine dust or other harmful substances contained in the outside air.

However, the general mask blocks the fine dust contained in the outside air so that the user can breathe clean air when inhaled, but the function of generating fresh oxygen is not included, so it can feel frustrating. In addition, due to breathing that occurs during exhalation, moisture may build up inside the mask, causing unpleasant feeling, shortness of breath, shortage of oxygen when used for a long time, and people with weak lung capacity complain of anemia. In addition, the mask is easily dampened, and many bacteria are reproduced therein, resulting in skin diseases such as rash and inflammation.

In order to solve the above-mentioned problems, many studies have been conducted. In particular, Patent Documents 1 to 2 propose techniques for improving the wearing environment of a user wearing a mask and protecting the human body. First, 'Patent Document 1' is an external air-blocking mask, which is provided with a main body and a hanger band as a general life mask, but forms an opening in the center of the main body, and a plurality of wrinkles are formed on the front side of the main body to be expandable. By installing an expansion member with a part to blow the wind through the opening from the rear of the main body, the air bag part is expanded so that the air inside the air bag part can be breathed while blocking the inflow of outside air in a situation such as a fire. It has technical features. 'Patent Document 2' is a mask for preventing dust and anti-fog, which has a technical feature that blocks external dust from entering the user's respiratory tract and disperses air discharged from the user's respiratory tract in multiple directions.

However, the general masks provide a dust-proof function or provide a method for keeping the inside comfortable by dispersing the user's breath, but do not suggest a method for improving the air quality by generating oxygen when the user breathes. , It does not include the technical features of initiating or controlling such oxygen generation.

Republic of Korea Registered Patent Publication No. 10-1161848 (2012.07.04.announcement) Republic of Korea Registered Patent Publication No. 10-1648577 (Aug. 16, 2016)

The present invention aims to solve the problems of the prior art as described above and the technical problems requested from the past.

The object of the present invention is to open and close the oxygen supply unit, which is released in a sealed state to prevent the outflow of oxygen, to start oxygen generation by pressing or rotating coupling of the opening / closing member, so that the user can conveniently use it whenever and wherever oxygen is needed It is to provide an oxygen supply unit having a member and a mask comprising the same.

Still other objects of the present invention will become more apparent from the following detailed description and drawings.

The oxygen supply unit provided with the opening and closing member of the present invention is opened in one direction and a body member forming a space therein; Solid oxygen disposed inside the body member; A cover member which forms at least one hole on one surface and is engageable with the body member; A blocking member sealing the hole of the cover member; And one or more protruding ribs on one surface, wherein the protruding ribs open and close the blocking member to start oxygen generation.

The body member is provided with at least one protrusion on one surface, the cover member is provided with at least one cover groove on the other surface corresponding to the protrusion, characterized in that the protrusion is fitted to the cover groove can do.

The cover member includes at least one concave portion formed along the inner circumferential surface inside, and the opening / closing member includes a convex portion corresponding to the concave portion formed along the outer circumferential surface on the outside. The protrusion rib of the opening and closing member may be characterized in that the protruding rib penetrates the blocking member by fitting into the recess of the cover member.

The cover member has a female threaded portion formed along an inner circumferential surface inside, and the opening / closing member has a male threaded portion corresponding to the female threaded portion on an outer circumferential surface. It may be characterized in that the protruding rib intrudes the blocking member by rotationally engaging the male thread portion of the opening and closing member and the female thread portion of the cover member.

The solid oxygen is any one non-woven fabric, cloth selected from polypropylene (PP), polyester (PET), polyamide (PA), polyethylene (PE), polyvinyl alcohol (PVA) or polylactic acid (PLA), It may be characterized in that it further comprises at least one packaged package comprising at least one selected from the group consisting of bamboo, silk, tencel, rubber, foil, vinyl, biocellulose, and charcoal.

The opening / closing member may further include a handle portion.

A mask comprising an oxygen supply unit having an opening and closing member according to another embodiment of the present invention includes the oxygen supply unit according to any one of claims 1 to 9.

The oxygen supply unit of the present invention is provided with an opening and closing member to start or effectively control oxygen generation.

In addition, the opening and closing member of the present invention can easily and easily initiate the generation of oxygen by using a pressing coupling and a rotating coupling.

In addition, the opening and closing member of the present invention is provided with a protruding rib, the user can easily invade the blocking member of the oxygen supply unit by pressing or rotating when desired, thereby effectively initiating oxygen generation.

In addition, the mask of the present invention has the effect of improving the air quality inside the mask by providing an oxygen supply unit.

 In addition, the solid oxygen of the present invention is hygienic by packaging it once more with a packaging part, and it is possible to easily replace the solid oxygen after use, thereby effectively using a mask multiple times.

1 (a) is a perspective view schematically showing an oxygen supply unit according to an embodiment of the present invention.
1 (b) is a plan view schematically showing an oxygen supply unit according to an embodiment of the present invention.
Figure 2 is a perspective view showing an example of the coupling structure of the oxygen supply unit according to an embodiment of the present invention.
3 is a view schematically showing an example of a combination of a body member, a solid oxygen and a cover member according to an embodiment of the present invention.
4 is a view schematically showing an example of a combination of a cover member, a blocking member, and an opening and closing member according to an embodiment of the present invention.
5 (a) to (b) are views showing an example of operation of the push-type opening and closing member according to an embodiment of the present invention.
6 (a) to (b) are views showing an operation example of the rotary opening and closing member according to an embodiment of the present invention.
7A is a view showing an example of a mask including an oxygen supply unit according to an embodiment of the present invention.
7B is a view showing an example of a mask including a plurality of oxygen supply units according to an embodiment of the present invention.
7C is a view showing an example of a mask including an oxygen supply unit and an exhaust unit according to an embodiment of the present invention.

Objects and effects of the present invention, and technical configurations for achieving them will be clarified with reference to embodiments described later in detail together with the accompanying drawings. In the description of the present invention, when it is determined that a detailed description of known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, terms to be described later are terms defined in consideration of the structure, roles, and functions in the present invention, which may vary according to a user's or operator's intention or practice.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms. However, these embodiments are provided to make the disclosure of the present invention complete, and to fully inform the person of ordinary skill in the art to which the invention pertains, the scope of the invention, and the present invention is only the utility model registration claim. It is only defined by the scope of the claims recited in. Therefore, the definition should be made based on the contents throughout this specification.

Throughout the specification, when a part “includes” a certain component, it means that the component may further include other components, not to exclude other components, unless otherwise stated.

As always, the general masks provide a dust-proof function or suggest a method for keeping the inside comfortable by dispersing the user's breath, but no way to improve the air quality by generating oxygen when the user breathes It does not, and does not include the technical features of initiating or controlling such oxygen generation.

Therefore, the inventor of the present invention intends to provide an oxygen supply unit and a mask including the oxygen supply unit which is released in a sealed state in order to prevent the outflow of oxygen. In addition, the oxygen supply unit includes an opening and closing member capable of controlling oxygen, and an opening and closing member that can be conveniently used anytime and anywhere in a situation where the user needs oxygen by initiating oxygen generation by pressing or rotating coupling of the opening and closing member. It is intended to provide an oxygen supply unit and a mask including the same.

Figure 1 (a) is a perspective view schematically showing an oxygen supply unit according to an embodiment of the present invention, Figure 1 (b) is a plan view schematically showing an oxygen supply unit according to an embodiment of the present invention, Figure 2 is a perspective view showing an example of the coupling structure of the oxygen supply unit according to an embodiment of the present invention.

1 to 3, the oxygen supply unit (1) of the present invention is a body member (10), a solid oxygen (20), a cover member (30), and a blocking member (40) forming an interior space And an opening / closing member 50. The body member 10 is preferably provided in a cylindrical shape, but does not necessarily belong to this, and may be provided in a polygon according to the use environment and the user's preference.

 The solid oxygen 20 is disposed inside the body member 10. The solid oxygen 20 is a material having the characteristic of absorbing carbon dioxide and generating oxygen, and the solid oxygen composition 22 solidifying the oxygen-producing compositions can be used, thereby improving the air quality of the enclosed space. There is. The solid oxygen composition 22 may include 5 to 50 parts by weight of a metal peroxide and 0.001 to 5 parts by weight of a catalyst with respect to 100 parts by weight of activated carbon. The metal peroxide may contain at least one or more from the group consisting of calcium peroxide, magnesium peroxide, potassium peroxide, barium peroxide and sodium peroxide, and the catalyst may include at least one or more from the group consisting of catalase, peroxidase, potassium iodide and manganese dioxide. can do. Activated carbon may include at least one or more from the group consisting of palm, wood and coal.

Since the solid oxygen composition 22 can react at room temperature and generate a lot of oxygen, it is preferable that the solid oxygen composition 22 is configured in a packaging material or a container for storage when not in use. In the packaging of the solid oxygen composition 22, it is necessary to use a material having good air permeability through which oxygen gas can permeate without leaving the powdery material. The solid oxygen 20 of the present invention is any one selected from polypropylene (PP), polyester (PET), polyamide (PA), polyethylene (PE), polyvinyl alcohol (PVA) or polylactic acid (PLA) It may further include a packaged package including at least one or more from the group consisting of non-woven fabric, cloth, bamboo, silk, tencel, rubber, foil, vinyl, biocellulose, charcoal. By including the solid oxygen 20 as described above, the oxygen supply unit 5 of the present invention has an excellent effect on air purification, oxygen generation, and removal of pollutants.

In addition, an antibacterial substance may be further added to the solid oxygen composition 22.

In detail, the natural extract of the present invention as an antibacterial substance is propolis, green tea, ginseng, red ginseng, herbs, aroma, marigold, rose, phytoncide, herbs, tea tree, grapefruit, lemon, tangerine, magnolia, black tea, boy tea, pine needles , Mugwort, Lotus, Aloe, Rapeseed, Jasmine, Camellia, Camellia, Ginkgo biloba, Mint, Corn, Gold Silver, Red Ginseng, Coral, Licorice, Bottled Green Potion, Chamomile, Latania, Rosemary, Lemongrass, Basil, Silkweed Extract , Camellia, Shea butter, Moon Joo-ran, Omija, Cheonmun-dong, Gombo cabbage, windproof, Eoseongcho, horseback riding, circumcision mushrooms, Countess, Machihyeon, Angelica, Doin, and Coconut.

The propolis of the present invention includes resins, aromatic substances, beeswax, pollen and various organic and inorganic substances, and the main components of the propolis contain flavonoids, minerals, vitamins, and amino acids, and the effects and efficacy of the propolis Silver anti-viral, anti-inflammatory, anti-bacterial, antioxidant, local anesthesia, and cellular tissue strengthening. Among them, the flavonoid-based quercetin, which is the core of the active ingredients of propolis, inhibits and proliferates cancer cell proliferation. Has been announced and is therefore used as a key ingredient in health functional food. Current propolis extraction methods include alcohol extraction, water extraction, and micelle extraction, and it is preferable to use the ethanol extraction method for fat-soluble substances, propolis.

The herb of the present invention is a natural raw material, a plant extract component containing the concept of medicine, a function of protecting skin from external environments such as pollution, a function of synthesizing collagen protein constituting the dermis of the skin, and With the discovery that it can perform functions such as preventing pigmentation of skin, various studies are being conducted to apply this herb in real life.

Recent studies have demonstrated the ability to suppress or treat acne on the skin by taking herbs. In addition, the well-dried leaves of lemon balm (Lemonbalm, Melissa officinalis L.), the herb, and the leaves of Chamomile (Matricaria recutita L.) are rich in nutrients and functional ingredients, rich in vitamins and minerals, and have pharmacological effects. It is known.

In addition, by containing the natural extract in the solid oxygen composition (22), it is possible to alleviate the symptoms of asthma or rhinitis, there is an effect to prevent hypersensitivity reaction by adding aroma therapy function. The natural extract may be prepared by mixing 0.1 to 5.0 parts by weight based on 100 parts by weight of the solid oxygen composition. The natural extract is preferably 0.1 to 5.0 parts by weight based on 100 parts by weight of the solid oxygen compound, more preferably 0.5 to 3.0 parts by weight can be prepared by mixing. If the mixed amount of the natural extract is less than 0.1 parts by weight, inflammation relief and aromatherapy functions may not be properly expressed, and when it exceeds 5.0 parts by weight, inflammation relief and aromatherapy functions are not significantly improved in proportion to the increase in natural extract. May not.

CO ₂ of the user's breath may react with a solid oxygen composition 22 such as potassium peroxide inside the solid oxygen 20 to be activated as an oxygen gas, and thus oxygen may be generated. The present invention is released in a sealed state to prevent the outflow of oxygen from the oxygen supply unit (5), the user can initiate the outflow of oxygen by contacting the opening and closing member 50 with a hand or the like. Therefore, the user can easily use oxygen anytime, anywhere. The solid oxygen 20 can be easily replaced after use.

The body member 10 of the present invention is provided to be coupled and detachable with the cover member 30. The cover member 30 forms one or more cover holes 32 therein, and preferably, a plurality of cover holes 32 are used.

A cover member 32 may be further sealed at the upper side of the cover member 30 to block the generation of oxygen. The blocking member 40 is preferably used as a non-woven fabric or vinyl that is gas-permeable and can be torn by ribs, but is not necessarily included in this, and may be provided differently according to the user's environment. In addition, an adhesive may be used on the outer circumferential surface of the blocking member so as to seal the cover hole 32 well, and may be sealed using a heat fusion method. Specifically, it can be heat-sealed by a hot-melting method. Although not shown in the drawings, a male fastening part and a female fastening part may be additionally provided on the outer circumferential surface of the blocking member 40, and a thermal adhesive sheet may be disposed between them to effectively heat-seal by hot-melting.

An opening and closing member 50 may be provided on the upper side of the blocking member 40. The opening / closing member 50 has at least one protruding rib 52, and the protruding rib 52 may pass through the blocking member 40 to penetrate between the holes of the cover member 30. That is, the oxygen supply unit 1 can start supplying oxygen by tearing the blocking member 40 using the protruding rib 52. Accordingly, when the user needs to supply oxygen, the protruding rib 52 contacts and tears the blocking member 40, thereby initiating oxygen generation inside the body member 10 and sucking oxygen released into the space. Hereinafter, the coupling structure between the components will be described.

3 is a view schematically showing an example of a combination of a body member, a solid oxygen and a cover member according to an embodiment of the present invention, and FIG. 4 is a combination of a cover member, a blocking member and an opening and closing member according to an embodiment of the present invention 5A to 5B are diagrams schematically showing an example, and FIGS. 5A to 5B are diagrams illustrating an example of an operation of a push-type opening and closing member according to an embodiment of the present invention, and FIGS. 6A to 6B Is a view showing an operation example of the rotary opening and closing member according to an embodiment of the present invention.

Since the oxygen supply unit 1 of FIGS. 3 to 4 has the same main configuration as the oxygen supply unit 1 described through FIGS. 1 to 2, the modified configuration will be mainly described below. As shown in FIG. 3, the body member 10 may include at least one protruding protrusion 12. The cover member 30 may be provided with a cover groove 34 at a corresponding position of the protruding protrusion 12, and the protruding protrusion 12 is slightly larger than the cover groove 34 to be fitted. You can. Accordingly, when the user does not use the mask, the cover member 30 may seal the solid oxygen 20 inside the body member 10 once more.

As illustrated in FIG. 5, one or more concave portions 30 ′ concavely formed along the inner circumferential surface may be provided on the inner circumferential surface inside the cover member 30 of the present invention. On the outer side of the opening / closing member 50, a convex portion 50 'formed along the outer circumferential surface at a position corresponding to the concave portion 30' is provided. The convex portion 50 'is provided slightly larger than the concave portion 30', so that it can be fitted. Accordingly, the cover member 30 and the opening and closing member 50 can be easily combined and detached.

In addition, as shown in Figure 6, the inner circumferential surface of the cover member 30 may be provided with a female threaded portion formed along the inner circumferential surface, and the outer circumferential surface of the opening / closing member 50 may be provided with a male threaded portion corresponding to the female threaded portion. The opening / closing member 50 may be coupled by rotational coupling between the female threaded portion of the cover member 30 and the male threaded portion of the opening and closing member 50.

In addition, by combining the opening and closing member 50 as described above, it is possible to effectively start oxygen generation by configuring the projecting rib 52 to be vertically movable relative to the body member 10. In addition, as shown in FIG. 5, the protruding rib 52 may be provided in a shape that becomes narrower toward the tip portion so as to tear the blocking member 40 well. In addition, as shown in FIG. 6, the protruding ribs 52 may be provided in plural to enhance the tearing force. In addition, although not shown in the drawing, the shape of the protruding rib 52 is provided in the shape of a drive of the cross to strengthen the tearing force, but the protruding rib 52 is blocked by the external force of the hand, etc. ) Can include any form that can tear. Hereinafter, the operation of the opening / closing member 50 will be described.

6 to 7, the opening / closing member 50 may further include a handle portion 54. By providing the handle portion 54, the user can easily control the oxygen supply using the handle portion 54.

As shown in Figure 6, the opening and closing member 50 may be provided in a pressing form. When using the mask, when the handle portion 54 is pressed using the user's hand or the like, the protruding rib 52 of the opening / closing member 50 passes through the blocking member 40 to cover the cover hole 32 of the cover member 30. You can break through. Accordingly, the solid oxygen 20 inside may react with the user's breath to generate oxygen, and supply oxygen between the cover holes 32. The oxygen supply unit 1 provided with the opening / closing member 50 of the present invention is preferably used mounted on the mask 5, but can also be used in a closed room or a vehicle requiring oxygen. Therefore, according to the use environment, the oxygen supply unit 1 starts the oxygen by using the opening / closing member 50 where oxygen supply is required, so that the user can receive the oxygen supply more conveniently and conveniently.

As shown in FIG. 7, the opening / closing member 50 may be provided in a rotating form. When using the mask, when the handle portion 54 is rotated using the user's hand or the like, the protruding rib 52 of the opening / closing member 50 passes through the blocking member 40 to cover the cover hole 30 of the cover member 30 ). Accordingly, the solid oxygen 20 inside may react with the user's breath to generate oxygen, and supply oxygen between the cover holes 32.

Therefore, the user can easily intrude into the blocking member 40 by pushing or rotating the handle portion 54 by using a hand or the like, so that the generation of oxygen can be started more effectively and the user can It is easy to get oxygen supply.

7 (a) is a view showing an example of a mask including an oxygen supply unit according to an embodiment of the present invention, 7 (b) includes a plurality of oxygen supply units according to an embodiment of the present invention It is a view showing an example of a mask to be, Figure 7 (b) is a view showing an example of a mask including an oxygen supply unit and an exhaust unit according to an embodiment of the present invention.

The oxygen supply unit (1) of the present invention can be attached to the mask (5) and used to more effectively supply oxygen to the user.

The mask of the present invention (5) generally natural fibers such as paper, non-woven fabric, cloth, cotton fiber, wool fiber, silk fiber, hemp fiber, and polyester, polyamide, polyacrylonitrile, polyvinyl alcohol, poly Urethane-based, polyvinyl chloride-based, polyvinylidene-chloride-based, plyethylene-based, polyalkyleneparaoxybenzoate-based, polyfluoroethylene-based chemical fibers, etc. can be used alone or in combination. In addition, it can be configured to include all of the plastic material for movement, deformation, and facial contour.

As shown in (a) of FIG. 7, the mask 5 is provided to shield a part of the user's nose, mouth and cheeks, and may include an opening in the user's mouth. The oxygen supply unit 1 may be used in a form mounted on the opening of the mask 5, and may be provided in a form capable of effectively bonding and desorption.

In addition, as illustrated in FIG. 7B, a plurality of openings may be provided in the mask 5, and a plurality of oxygen supply units 1 may be provided to correspond thereto. By providing the oxygen supply unit 1 in plural, it is possible to increase the capacity of the solid oxygen and has the effect of receiving oxygen for a long time.

In addition, as shown in (c) of FIG. 7, a plurality of openings of the mask 5 are provided, one of which may be provided with an oxygen supply unit 1 and another with an exhaust unit 7.

By providing the exhaust portion 7, when the user breathes, air can be effectively discharged to the exhaust valve 7 when exhaling, and contaminants can be prevented when inhaling. Therefore, it is possible to make the user's breath easier, and there is an effect that users who feel frustrated with the use of the mask can use the mask more comfortably.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but those of ordinary skill in the art to which the present invention pertains can implement the present invention in other specific forms without changing its technical spirit or essential features. You will understand that there is. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and should not be determined, but all claims that are equally or equivalently modified with the claims as described below belong to the scope of the spirit of the present invention. will be.

1. Oxygen supply unit 4. Hook part 5. Mask
7. Exhaust part 10. Body member 12. Protrusion 20. Solid oxygen 22. Solid oxygen composition 24. Packaging part 30. Cover member 30 '. Recess 32. cover hole
34. Cover groove 40. Blocking member 50. Opening member 50 '. Convex part 52. Protruding rib 54. Handle part

Claims (10)

A body member in which one direction is opened and forms a space therein;
Solid oxygen disposed inside the body member;
A cover member which forms at least one hole on one surface and is engageable with the body member;
A blocking member formed of a non-woven fabric or vinyl that can tear the cover member without tearing the gas, and seals the hole; And
At least one protruding rib is provided on one surface, and the protruding rib includes an opening and closing member that invades the blocking member and starts generating oxygen,
The body member is provided with at least one protrusion on one surface, the cover member is provided with at least one cover groove on the wavefront corresponding to the protrusion, characterized in that the protrusion is fitted to the cover groove Oxygen supply unit having an opening and closing member.
According to claim 1,
The opening and closing member is coupled to the cover member in a pressing or rotating manner,
Oxygen supply unit having an opening and closing member, characterized in that the protruding rib enters the blocking member to initiate the generation of oxygen.
According to claim 2,
The protruding rib is an oxygen supply unit having an opening and closing member, characterized in that the width decreases toward the tip.
According to claim 2,
The protruding rib is provided with a plurality of oxygen supply unit having an opening and closing member, characterized in that provided.
delete According to claim 1,
The cover member includes at least one recess formed along an inner circumferential surface inside,
The opening and closing member includes a convex portion corresponding to the concave portion formed along an outer circumferential surface on the outside.
Oxygen supply unit having an opening and closing member characterized in that the protruding ribs intrude into the blocking member by fitting the convex portion of the opening and closing member to the recess of the cover member.
According to claim 1,
The cover member has a female thread formed on the inner circumferential surface inside,
The opening / closing member has a male thread portion corresponding to the female thread portion on an outer circumferential surface.
Oxygen supply unit having an opening and closing member, characterized in that the protruding ribs intrude into the blocking member by rotational engagement with the male thread of the opening member and the female thread of the cover member.
According to claim 1,
The solid oxygen is any one non-woven fabric, cloth selected from polypropylene (PP), polyester (PET), polyamide (PA), polyethylene (PE), polyvinyl alcohol (PVA) or polylactic acid (PLA), Oxygen supply unit having an opening and closing member, characterized in that it further comprises a packaged package comprising at least one or more selected from the group consisting of bamboo, silk, tencel, rubber, foil, vinyl, biocellulose, and charcoal.
delete A mask comprising the oxygen supply unit according to any one of claims 1 to 4 and 6 to 8.

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