KR20230103317A - Hood type cover for hazmat suit - Google Patents

Abstract

The present invention relates to a hood type cover for protective clothing.
According to an embodiment of the present invention, a through-hole is formed in one side of the lens unit or hood body provided in the hood portion so that the filter coupling portion of the gas mask worn by the user can pass through, so that the user wearing the protective clothing and the gas mask can easily wear it. A hood-type cover for protective clothing capable of this and further improving the whole-body protective effect through this is disclosed.

Description

Hood type cover for hazmat suit}

The present invention relates to a hood-type cover for protective clothing, wherein a through-hole is formed in one side of a hood body or a lens part provided in a hood part so that a filter coupling part of a gas mask worn by a user can pass through, so that a user wearing the protective clothing and the gas mask can pass through. The present invention relates to a hood-type cover for protective clothing that can be easily worn and which further improves the effect of protecting the whole body.

Clothing worn by individuals to minimize the possibility of contamination of body surfaces is called protective clothing. Protective clothing is worn to protect the body from various harmful substances/environments such as chemicals, radiation, germs/viruses, etc.

As an example of regulations on protective clothing, the safety certification notice for protective gear (notice of the Ministry of Employment and Labor), which is a sub-rule of the Industrial Safety and Health Act, stipulates the type and form of protective clothing for chemicals.

According to the notice, three types of protective clothing for chemicals are defined as protective clothing with liquid blocking performance, and are prescribed to be worn with both a face window and a respiratory protective equipment (gas mask). For example, a user wears a type 3 protective clothing and wears a hood integrally connected to the protective clothing while wearing a gas mask. In this state, the edges of the hood and the gas mask are sealed with taping.

However, according to this wearing method, since the hood integrally connected to the protective clothing moves according to the movement of the user's upper body and the rim of the gas mask moves according to the movement of the user's face, there is a risk that the taping will fall due to mismatch in the direction of movement, As a result, the user's motion is limited and inconvenient, and there is a problem that anxiety occurs during operation.

Republic of Korea Utility Model Registration 20-0446628 (November 12, 2009) Korean Registered Patent No. 10-2169481 (October 19, 2020)

The present invention has been devised in view of the above problems, and a through hole is formed in one side of the lens unit provided in the hood or the hood body so that the filter coupling part of the gas mask worn by the user can pass through, so that the user can wear the protective clothing and the gas mask. An object of the present invention is to provide a hood-type cover for protective clothing that can be easily worn by one user and further improves the effect of protecting the whole body.

According to one aspect of the present invention for achieving the above object, it is formed in a form surrounding the user's head, has a plate-shaped lens unit on the front side, and wears the lens unit or one side of the hood body by the user. A hood portion having a through-hole formed through which the filter coupling portion of the gas mask can pass through; and an upper body part integrally connected to the lower side of the hood part and formed in a shape surrounding a part of the user's upper body. A hood type cover for protective clothing is disclosed.

Preferably, the hood part and the upper body part can be worn in a manner that is worn on the outside of the protective clothing worn by the user.

Preferably, the rim of the upper body has a shape capable of being hermetically coupled to the outer surface of the upper body of the protective clothing worn by the user through taping.

Preferably, the filter coupling portion of the gas mask located inside the hood unit protrudes to the outside of the hood unit through the through hole, and the filter of the gas mask located outside the hood unit protrudes to the outside of the hood unit through the through hole. It is configured to be coupled to the filter coupling part.

Preferably, the present invention, a ring-shaped member installed on at least one of the inside and outside of the through hole to reinforce the sealing state between the hood portion and the coupling portion when the filter coupling portion and the filter are coupled to each other; It consists of further including.

Preferably, the present invention is installed in communication with one side of the hood or upper body, and receives compressed air through an air line to provide cooling air to the inside of the hood or upper body. do.

Preferably, the lens unit includes a main lens surface covering the user's eye area to secure the user's field of view, and an extension lens integrally connected to one side of the main lens surface and having a different lens surface arrangement angle from the main lens surface. It is composed of cotton.

In the present invention as described above, a through-hole is formed in one side of the hood body or the lens part provided in the hood part so that the filter coupling part of the gas mask worn by the user can pass through, so that the user wearing the protective clothing and the gas mask can easily wear it. It is possible, and through this, there is an advantage of further improving the whole body protection effect.

In addition, since the present invention is not a structure in which the hood of the protective clothing and the gas mask are taped, but a structure in which the upper body of the protective clothing and the edge of the hood-type cover are taped along the circumference of the user's upper body (chest, etc.), the risk of the taping falling off is significantly reduced. It is low and has the advantage of not causing inconvenience or anxiety to the user's operation.

1 is a schematic front view of a hood type cover for protective clothing according to an embodiment of the present invention;
2 and 3 are front schematic diagrams for explaining the wearing state of the hood type cover for protective clothing according to an embodiment of the present invention;
4 is a schematic side view for explaining the wearing state of the gas mask;
5 is a schematic side view for explaining a wearing state of a hood-type cover for protective clothing according to an embodiment of the present invention;
6 is a side enlarged schematic diagram for explaining a wearing state of a hood-type cover for protective clothing according to an embodiment of the present invention;
7 is a schematic side view for explaining a wearing state of a hood-type cover for protective clothing according to another embodiment of the present invention;
8a and 8b are perspective views of a lens unit of a hood type cover for protective clothing according to an embodiment of the present invention;
9 is a side enlarged schematic diagram for explaining a ring-shaped member of a hood-type cover for protective clothing according to another embodiment of the present invention;
10 is an excerpted perspective view of a lens unit for explaining a ring-shaped member of a hood-type cover for protective clothing according to another embodiment of the present invention;
11 is a schematic front view of a hood type cover for protective clothing according to another embodiment of the present invention;
12 is an excerpted perspective view of a lens unit of a hood type cover for protective clothing according to another embodiment of the present invention;
13 is a schematic diagram for explaining a wearing process of a hood-type cover for protective clothing according to an embodiment of the present invention.

The present invention may be embodied in other various forms without departing from its technical spirit or essential characteristics. Therefore, the embodiments of the present invention are mere examples in all respects and should not be construed in a limited manner.

The terms first, second, etc. are used only for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but other components may exist in the middle.

Singular expressions used in this application include plural expressions unless the context clearly dictates otherwise. In this application, terms such as "comprise" or "have" or "have" are intended to express that the components described in the specification or a combination thereof exist, but the possibility that other components or features may exist or be added. It is not precluded.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic front view of a hood-type cover for protective clothing according to an embodiment of the present invention, FIGS. 2 and 3 are schematic front views for explaining a wearing state of a hood-type cover for protective clothing according to an embodiment of the present invention, and FIG. A schematic side view for explaining the wearing state of a gas mask, Figure 5 is a side schematic diagram for explaining the wearing state of a hood type cover for protective clothing according to an embodiment of the present invention, Figure 6 is a hood type for protective clothing according to an embodiment of the present invention It is a side enlarged schematic diagram to explain the wearing state of the cover.

The hood-type cover (C) for protective clothing of this embodiment is a lens unit 12 provided in the hood unit 10 or a gas mask 6 worn by the user 2 on one side of the hood body 10a ( FIG. 11 ). The through hole 14 is formed so that the filter coupling part 6a can pass through, so that the user 2 wearing the protective clothing 8 and the gas mask 6 can easily wear it, and through this, the whole body protection effect can be further improved. improve

To this end, the hood type cover C for protective clothing of this embodiment includes a hood part 10 and an upper body part 20.

The hood part 10 is formed in a shape surrounding the head 4 of the user 2 and has a plate-shaped lens part 12 on the front side, and the lens part 12 or the hood body 10a A through hole 14 is formed on one side of the filter coupling portion 6a of the gas mask 6 worn by the user 2 to pass through. Considering the difference in the number of filters 6b according to various structures of the gas mask 6, one through hole 14 may be formed, or two or more may be formed. For convenience of description, in the embodiments of FIGS. 1 to 10 , an embodiment in which the through hole 14 is formed in the lens unit 12 will be described as an example.

For example, the plate-shaped lens unit 12 may be formed in various plate shapes, such as a flat plate shape, a curved plate shape, and an angled plate shape having a bent portion.

The upper body part 20 is integrally connected to the lower side of the hood part 10 and is formed in a shape surrounding a part of the upper body of the user 2 . For example, a part of the upper body may be a shoulder, chest, or back.

The hood part 10 and the upper body part 20 can be worn in a way that the protective clothing 8 worn by the user 2 is worn over the outside. 2 is a state before the hood type cover (C) for protective clothing of this embodiment is overlaid on the outside of the protective clothing (8) worn by the user (2). (2) exemplifies the state after being overlaid on the outside of the protective clothing (8) worn.

As illustrated in FIG. 3, the edge 20a of the upper body 20 has a shape capable of being sealedly coupled to the outer surface of the upper body side of the protective clothing 8 worn by the user 2 through taping 50. have For example, the rim 20a of the upper body 20 is formed in a form surrounding the user 2's chest and back at the same distance from the head of the user 2, and the protective clothing 8 worn by the user 2 ) It is good to minimize the length of the taping 50 with the outside.

For example, the material of the hood part 10 and the upper body part 20 may be made of a sheet material capable of covering biological or chemical harmful substances like a normal protective clothing material, and the lens part 12 made of a transparent film material. ) may be coupled to the edge of the opening formed on the front side of the hood unit 10 by thermal fusion.

Referring to FIG. 4, a general gas mask 6 using a filter 6b is a full-face gas mask in which the lens unit 6d of the gas mask 6 covers the front face as shown in FIG. As shown in (b), it is divided into a half-type gas mask in which the gas mask 6 covers only the nose and mouth of the face.

Hood-type cover C for protective clothing of this embodiment can be used for both a full-face gas mask and a half-type gas mask if the filter 6b of the gas mask 6 is coupled to the main body of the gas mask through the filter coupling part 6a. .

The gas mask 6 of the type in which the filter 6b is coupled through the filter coupling part 6a is tightly fixed in a form of covering the head 4 of the user 2 through the wearing band 6c. The air A1 introduced into the gas mask 6 through the filter 6b is discharged as exhaust air A2 through the outlet 6e after the user 2 breathes.

The hood-type cover C for the protective clothing of this embodiment is configured so that the user 2 can easily wear it while wearing the protective clothing 8 and the gas mask 6.

For example, the filter coupling part 6a of the gas mask 6 located inside the lens part 12 constituting a part of the hood part 10 is connected to the lens part 12 through the through hole 14. The filter coupling portion protrudes to the outside of the lens unit 12 and the filter 6b of the gas mask 6 located outside the lens unit 12 protrudes to the outside of the lens unit 12 through the through hole 14 ( 6a) is configured to be coupled to.

For example, the filter 6b of the gas mask 6 and the filter coupling part 6a may be coupled by a known rotational fastening structure. A known rotational fastening structure may be, for example, a spiral structure or a locking protrusion / locking groove structure.

For example, in the case of a spiral structure, a male screw is formed on the outside or a female screw is formed on the inside of the filter coupling part 6a protruding from the main body of the gas mask 6 toward the front side, and is coupled to the filter 6b of the gas mask 6. It can be coupled in the form of a female screw or a male screw being formed.

As another example, in the case of the locking protrusion / locking groove structure, a plurality of locking protrusions or locking grooves are formed on the outside or inside of the filter coupling part 6a protruding from the main body of the gas mask 6 toward the front side, and It may be coupled to the filter 6b in a form in which a locking groove or a locking protrusion is inserted into and rotatably coupled thereto.

In addition to the known rotational fastening structure, the filter 6b of the gas mask 6 and the filter coupling part 6a may have other known coupling structures such as insertion coupling methods (eg press fit). In addition, as a modified example, depending on the structure of the gas mask, it is also possible that the coupling portion of the filter 6b protrudes, passes through the through hole 14, and is coupled to the filter coupling portion 6a of the gas mask 6.

8A and 8B are perspective views of a lens unit of a hood-type cover for protective clothing according to an embodiment of the present invention.

The lens unit 12 may have a three-dimensional curved surface structure in order to secure a smooth field of view for the user 2 and a smooth coupling state of the filter 6b of the gas mask 6.

To this end, the lens unit 12 includes a main lens surface 12a covering the eye area of the user 2 to secure the user 2's field of view, and one side (upper side) of the main lens surface 12a. , lower side or side side) and integrally connected to the main lens surface 12a and having a different lens surface disposition angle.

The shape and arrangement angle of the main lens surface 12a and the extension lens surface 12b can be configured in various ways in consideration of various structures of the gas mask 6.

For example, the through hole 14 may be formed on the extended lens surface 12b formed on the side surface as shown in FIG. 8A in consideration of the difference in the position of the filter 6b according to the various structures of the gas mask 6, FIG. As shown in 8b, it may be formed on the extended lens surface 12b formed on the lower side.

In addition, considering the difference in the number of filters 6b according to various structures of the gas mask 6, one through hole 14 may be formed as shown in FIGS. 8A and 8B, or two or more may be formed. It could be.

The three-dimensional bent surface structure of the main lens surface 12a and the extension lens surface 12b may be formed through various known processing methods.

For example, the main lens surface 12a and the extended lens surface 12b may be formed into a three-dimensional bent surface structure by bending a single plate-shaped transparent film material with a press.

As another example, the main lens surface 12a and the extended lens surface 12b may be formed into a three-dimensional bent surface structure by partially incising a plate-shaped transparent film material and overlapping and bonding (thermal fusion) the incisions. there is.

As another example, the main lens surface 12a and the extended lens surface 12b may be formed into a three-dimensional bent surface structure by injection molding a transparent synthetic resin material.

7 is a schematic side view for explaining a wearing state of a hood-type cover for protective clothing according to another embodiment of the present invention.

A vortex tube 30 may be further included to provide a cooling effect to the inside of the hood 10 or the upper body 20 .

The vortex tube 30 is a known device that can be used to separate high-temperature gas and low-temperature gas or separate particulate matter using high-pressure gas.

The vortex tube 30 is installed in communication with one side of the hood part 10 or the upper body part 20, and receives compressed air A through an air line 32, and the hood part 10 or Air CA for cooling is provided inside the upper body portion 20 .

For example, the compressed air (A) injected from the compressed air supply unit 34 is supplied to the inlet of the vortex tube 30 through the air line 32, and is injected through the hot gas outlet of the vortex tube 30. The high-temperature air HA is injected to the outside of the hood 10 or the upper body 20, and the cooling air CA injected through the low-temperature gas outlet of the vortex tube 30 directly or through a connecting pipe to the hood It is injected into the part 10 or the upper body part 20.

For example, the compressed air supply unit 34 may be a compressed air tank, a compressor, or the like, and a portable type that the user 2 can carry directly may be used.

The inside temperature of the hood 10 or the upper body 20 is reduced by the cooling air CA, so that a comfortable wearing environment can be provided to the head 4 and upper body of the user 2 . In addition, the positive pressure of the cooling air (CA) can prevent inflow of external harmful substances that may exist through a connection between the protective clothing and the cover.

Meanwhile, as a modified example, an air filter (not shown) may be installed together with the vortex tube 30 or instead of the vortex tube 30 . An air filter (not shown) purifies the compressed air A supplied from the compressed air supply means 34 so that the clean air is supplied to the inside of the hood 10 or upper body 20 .

9 is an enlarged side view for explaining a ring-shaped member of a hood-type cover for protective clothing according to another embodiment of the present invention, and FIG. 10 illustrates a ring-shaped member of a hood-type cover for protective clothing according to another embodiment of the present invention. It is an excerpted perspective view of the lens part for

When the filter coupling portion 6a and the filter 6b of the gas mask 6 are mutually coupled through the through hole 14 of the lens portion 12, the ring-shaped member 16 is further formed to reinforce the sealing structure of the coupling portion. can include

The ring-shaped member 16 is provided on at least one side of the inside and outside of the through hole 14, and the hood portion 10 and the coupling portion when the filter coupling portion 6a and the filter 6b are coupled to each other. It is installed to strengthen the sealing state with the lens unit 12 constituting a part of the. 9 illustrates a case where the ring-shaped member 16 is installed outside the through hole 14 . The ring-shaped member 16 may be installed inside the through hole 14 or installed both outside/inside.

For example, the ring-shaped member 16 is the outer side of the filter coupling portion 6a of the gas mask 6 protruding outside the lens portion 12 through the through hole 14 of the lens portion 12, as illustrated in FIG. In this state, when the filter coupling portion 6a and the filter 6b are coupled to each other, the sealing structure of the coupling portion is strengthened.

The material of the ring-shaped member 16 is not limited to a specific material as long as it is air-sealable, and may be, for example, rubber, silicon, plastic, metal, or the like.

11 is a schematic front view of a hood type cover for protective clothing according to another embodiment of the present invention;

In the embodiments of FIGS. 1 to 10 , the embodiment in which the through hole 14 is formed in the lens unit 12 has been described as an example.

As shown in FIG. 11 , the through hole 14 of this embodiment may be formed on one side of the hood main body 10a constituting a part of the hood part 10 . The above-described embodiments of FIGS. 1 to 10 including a configuration in which the filter coupling portion 6a of the gas mask 6 is coupled to the filter 6b while passing through the through hole 14 are shown in the same or similar form. 11, and redundant description thereof will be omitted.

12 is an excerpted perspective view of a lens unit of a hood-type cover for protective clothing according to another embodiment of the present invention.

8A, 8B, and 10 described above, the case in which the plate-shaped lens unit 12 is configured in the form of an angled flat plate having a bent portion has been exemplarily described.

As shown in FIG. 12 , the plate-shaped lens unit 12 of this embodiment may be formed in a curved plate shape.

In a form similar to the configuration described with reference to FIGS. 8A and 8B , the curved lens unit 12 also provides a three-dimensional surface structure. However, since the curved lens unit 12 does not include a bent portion where the lens surface is bent, the main lens surface 12a and the extended lens surface 12b are not divided into bent portions.

13 is a schematic diagram for explaining a wearing process of a hood-type cover for protective clothing according to an embodiment of the present invention.

In step (a), the user 2 is in a state of wearing the protective clothing 8 and the gas mask 6. For example, the protective clothing 8 may be a type 3 chemical protective clothing.

In step (b), the user 2 separates the filter 6b from the filter coupling portion 6a of the gas mask 6.

In step (c), the user 2 wears the hood type cover C for protective clothing of this embodiment over the protective clothing 8. In this process, the filter coupling part 6a of the gas mask 6 located inside the lens part 12 is inserted through the through hole 14 so as to protrude outward from the lens part 12 .

In step (d), the user 2 protrudes the filter 6b of the gas mask 6 located outside the lens unit 12 through the through hole 14 to the outside of the lens unit 12. It is coupled to the filter coupling part 6a. In the coupling process, the ring-shaped member 16 may be further installed and the filter 6b may be coupled.

After step (d) is completed, the edge 20a of the upper body 20 is hermetically coupled to the outer surface of the upper body side of the protective clothing 8 worn by the user 2 through taping 50.

Although the present invention has been described based on preferred embodiments with reference to the accompanying drawings, it is clear that many various and obvious modifications are possible to those skilled in the art from this description without departing from the scope of the present invention. Therefore, the scope of the present invention should be interpreted by the claims described to include these many modifications.

10: hood part
12: lens unit
12a: main lens surface
12b: extended lens surface
14: through hole
16: ring-shaped member
20: upper body
30: vortex tube
C: Hood type cover for protective clothing

Claims (7)

A hood portion formed in a shape surrounding a user's head, having a plate-shaped lens portion on the front side, and having a through hole formed on one side of the lens portion or the hood body to pass through the filter coupling portion of the gas mask worn by the user; and
A hood-type cover for protective clothing comprising: an upper body portion integrally connected to the lower side of the hood portion and formed in a shape surrounding a part of the user's upper body.
According to claim 1,
The hood type cover for protective clothing, characterized in that the hood and upper body can be worn in a way that is worn on the outside of the protective clothing worn by the user.
According to claim 2,
The hood type cover for protective clothing, characterized in that the rim of the upper body has a shape capable of sealingly coupled to the outer surface of the upper body side of the protective clothing worn by the user through taping.
According to claim 1,
The filter coupling part of the gas mask located inside the hood part protrudes to the outside of the hood part through the through hole,
A hood-type cover for protective clothing, characterized in that the filter of the gas mask located outside the hood unit is coupled to the filter coupling part protruding outside the hood unit through the through hole.
According to claim 4,
A ring-shaped member installed on at least one of the inside and outside of the through-hole to reinforce a sealing state between the hood portion and the coupling portion when the filter coupling portion and the filter are mutually coupled; characterized in that it is configured to further include Hood type cover for protective clothing.
According to claim 1,
A vortex tube installed in communication with one side of the hood or upper body, receiving compressed air through an air line and providing cooling air to the inside of the hood or upper body; Hood type cover.
According to claim 1,
The lens part,
A main lens surface covering the user's eye area to secure the user's field of view;
A hood-type cover for protective clothing characterized in that it comprises an extension lens surface integrally connected to one side of the main lens surface and having a different lens surface arrangement angle from the main lens surface.

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