CN212088183U

CN212088183U - Protective clothing capable of being used repeatedly

Info

Publication number: CN212088183U
Application number: CN202020364064.0U
Authority: CN
Inventors: 王永海
Original assignee: Qinhuangdao 9015 Science And Technology Co ltd
Current assignee: Qinhuangdao 9015 Science And Technology Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-08
Anticipated expiration: 2030-03-20

Abstract

The application discloses a protective garment used for multiple times, which comprises an outer layer, a middle layer and an inner layer from outside to inside; the outer layer is a water repellent woven fabric, the middle layer is a polytetrafluoroethylene microporous membrane laminated fabric, and the inner layer is a cotton cloth layer treated by a nano-amphiphobic technology; the water-repellent woven fabric comprises base cloth and a water-repellent coating, wherein the water-repellent coating comprises polytetrafluoroethylene nano micro powder, titanium dioxide nano micro powder, a cross-linking agent and water-based coating glue. The product is used for medical protective clothing through selection of materials and processes, has moisture permeability and air permeability, also has good functions of shielding liquid such as water, blood, body fluid and the like, has good washability, can be repeatedly used for multiple times, and can resist medical high-temperature disinfection treatment.

Description

Protective clothing capable of being used repeatedly

Technical Field

The application relates to the field of medical protective equipment, in particular to a piece of protective clothing for multiple use.

Background

95% of medical protective clothing used at the present stage is disposable protective clothing, but because of the outbreak of the novel coronavirus at the present stage, the protective clothing is in a shortage state in the global scope, hospitals directly receiving and treating related diseases cannot take off or replace the protective clothing, doctors in other hospitals and inspection ports do not have protective clothing, and some hospital pharmacy is a set of protective clothing for multiple use and is worn for several weeks.

Protective clothing still often will use under the service environment that needs pass through the disinfection passageway, the disinfection passageway often uses and sprays disinfection spraying to disinfect, and most protective clothing can make the performance that blocks water and blood descend by a wide margin because of contacting the disinfection spraying.

Therefore, there is an urgent need for a large number of protective garments that can be used many times and are not afraid of washing and sterilization.

Disclosure of Invention

The application aims to provide the protective clothing capable of being used for multiple times and being not afraid of washing and disinfection.

The above and other objects are achieved by the features of the independent claims. Further implementations are presented in the dependent claims, the description and the drawings.

The application provides protective clothing for multiple use, which comprises an outer layer, a middle layer and an inner layer from outside to inside; the outer layer is a water repellent woven fabric, the middle layer is a polytetrafluoroethylene microporous membrane laminated fabric, and the inner layer is a cotton cloth layer treated by a nano-amphiphobic technology;

the water-repellent woven fabric comprises base cloth and a water-repellent coating, wherein the water-repellent coating comprises polytetrafluoroethylene nano micro powder, titanium dioxide nano micro powder, a cross-linking agent and water-based coating glue.

In the above scheme, the protective clothing is of a three-layer composite structure and comprises three layers of protection from inside to outside, the overall physical performance of the medical protective clothing is enhanced, the three protection layers adopt different protection structures, the protection effect is improved, and the protective clothing can be used for multiple times by using structures and materials and can be washed and disinfected.

The protective suit comprises a protective suit body and a protective suit body, wherein the protective suit body is made of a Polytetrafluoroethylene (PTFE) microporous membrane laminated fabric, the protective suit body is formed by compounding Polytetrafluoroethylene (PTFE) microporous membranes in a multi-layer mode, and 4-7 layers are preferably compounded.

The innermost layer is a cotton cloth layer which is treated by a nano-amphiphobic technology and has waterproof and oil-proof properties, the protective structure of the inner layer supports repeated washing, and the inner layer can make medical personnel wear the inner layer with comfortable feeling and can not generate allergy.

The nano-powder has the lowest surface tension, and is combined with the base fabric fibers to fill the inner and outer surfaces of the fibers, so that the fibers of the fabric have water-repellent, oil-repellent and antifouling capabilities. In addition, the nanometer level powder is added, so that the roughness of the fiber surface reaches the nanometer level, namely the fiber surface is applied, and the particles on the covering layer are nanometer level. Therefore, the fabric has very good oil and water repellent performance, and the oil and water repellent function is presented on the surface of the fabric.

The product is used for medical protective clothing through the selection of materials and processes, has the moisture permeability and the air permeability, also has the good function of shielding liquid such as water, blood, body fluid and the like, has good washability, can be repeatedly used for multiple times, and can resist medical high-temperature disinfection treatment.

In one possible embodiment, the base fabric is woven from warp and weft yarns, both of which are 70-80D/34-38F polyester filaments. The base cloth is subjected to water repellent treatment, the water repellent treatment adopts a water repellent agent and a water repellent synergist, and the water repellent agent is prepared by taking four monomers of vinylidene chloride, octadecyl acrylate, hydroxymethyl acrylamide and perfluoroalkyl acrylate as raw materials and adopting an emulsion polymerization mode; the water repellent synergist is isocyanate solution.

In a possible embodiment, adhesive points are uniformly arranged between the outer layer and the middle layer and between the middle layer and the inner layer.

In the scheme, the bonding with the bonding points has better moisture permeability than the conventional coating product.

In one possible embodiment, the diameter of the bonding dots is 0.2 to 1.5 mm and the spacing between the bonding dots is 0.2 to 1.0 mm.

In one possible embodiment, the polytetrafluoroethylene microporous membrane laminated fabric is formed by compounding multiple layers of polytetrafluoroethylene microporous membranes, micropores of 10-500 nanometers are uniformly distributed on the polytetrafluoroethylene microporous membrane laminated fabric, and the thickness of the polytetrafluoroethylene microporous membrane laminated fabric is 0.01-0.1 millimeter.

In the scheme, the polytetrafluoroethylene microporous membrane laminated fabric is used as a virus barrier protective layer and has stronger virus protection capability, better washing resistance and more use times than the common polytetrafluoroethylene microporous membrane.

In one possible embodiment, the inner layer is embedded with a plurality of conductive fibers, and the distance between adjacent conductive fibers is 5-50 mm.

In the scheme, the arrangement of the conductive fibers can enable the protective clothing to be antistatic, and the wearing comfort level is increased.

In one possible embodiment, comprises a foot cover, a protective hat, a protective coat and a protective trousers; the foot sleeves are detachably connected with the protective trousers.

In the scheme, the damage rate of the foot cover is far higher than that of other parts of the protective clothing due to long-time treading and ground friction, so that high-frequency replacement is needed, and the cost can be greatly saved by only replacing the foot cover.

In a possible embodiment, the foot cover comprises a foot cover portion and a fastening portion, the foot cover portion is sleeved on the foot when the foot cover is worn, the fastening portion is sleeved on the ankle and the lower leg, and the fastening portion is made of a circumferential elastic material.

In the scheme, the foot cover is easy to separate from the protective clothing and replace.

In one possible embodiment, the foot cover portion and the fastening portion are seamlessly bonded.

In the scheme, outside air is prevented from entering the protective clothing.

In a possible embodiment, the fastening portion is provided with an elongated edge at the upper end, and the inside of the elongated edge is provided with an adhesive strip.

In the scheme, the extension edge is bonded on the protective clothing through the bonding glue, so that the replaceable sheet can be fixed, the space between the replaceable sheet and the protective clothing can be sealed, and air is prevented from entering the protective clothing.

In a possible embodiment, the elongate edge is provided with a pull tab extending outwardly at the outer edge.

In the above scheme, the extended edge is convenient to tear off.

In a possible embodiment, the bottom of the outer side of the foot sleeve is provided with a wear-resistant sole, one side of the wear-resistant sole is provided with a bonding glue layer, and the wear-resistant sole is connected with the foot sleeve through the bonding glue layer.

In the above scheme, increase the wear-resisting structure of sole, increase the life of podotheca.

In one possible embodiment, the inner layer is sprayed with a nano-silver antimicrobial agent.

In the scheme, the inner part is antibacterial, so that the clothes are more comfortable to wear.

The technical scheme provided by the application can achieve the following beneficial effects:

the utility model provides a repetitious usage protective clothing, including skin, middle level and inlayer, protective clothing is three-layer composite construction, and from interior to exterior includes the three-layer protection, strengthens medical protective clothing's whole physical properties, and three inoxidizing coating adopts different protective structure, improves the protecting effect to use structure and material all can repetitious usage, can wash and disinfect. The product is used for medical protective clothing through the selection of materials and processes, has the moisture permeability and the air permeability, also has the good function of shielding liquid such as water, blood, body fluid and the like, has good washability, can be repeatedly used for multiple times, and can resist medical high-temperature disinfection treatment.

Drawings

FIG. 1 is a block diagram of a breathable protective garment material provided in accordance with an embodiment of the present application;

FIG. 2 is a schematic view of a breathable protective garment according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of the distribution of the breathable water-repellent layer on the back of the breathable protective garment provided in the example of the present application;

FIG. 4 is a schematic view of a first replaceable sheet of breathable protective apparel according to an embodiment of the present application;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is a schematic view of the distribution of replaceable panels of the breathable protective garment provided in accordance with an embodiment of the present application;

FIG. 7 is a schematic view, partially in section, of a foot cover of a breathable protective garment according to an embodiment of the present application;

FIG. 8 is a schematic view of the distribution of the air holes on the back of the breathable protective garment according to the embodiment of the present application;

FIG. 9 is a schematic structural view of a filter element of the breathable protective garment provided in accordance with an embodiment of the present application;

fig. 10 is a schematic distribution diagram of ventilation tubes inside the breathable protective suit provided by the embodiment of the application.

Reference numerals:

1-protective jacket;

11-a first set of gas outlet holes;

12-a first replaceable sheet;

121-body side panel;

122-arm side panel;

123-a joint edge;

124-a first elongate piece;

13-a second replaceable sheet;

131-a second elongate piece;

1311-a body;

1312-shoulder pieces;

14-a collar;

2-foot cover;

21-a foot cover portion;

22-a fastening portion;

23-a wear resistant sole;

24-extended edge

3-stepping the air pump;

31-an air inlet;

32-air outlet;

33-a filtration device;

331-a filter device housing;

332-air inlet;

333-air outlet;

334-adsorption layer group;

335-sterilizing and disinfecting layer group;

336-a first breathable water-repellent layer;

34-a vent-pipe;

35-a top plate;

36-a base plate;

4-protective trousers;

41-a second air outlet hole group;

5-protective cap;

51-a third set of gas outlet holes;

6-a second breathable water-repellent layer;

711-base cloth;

712-a water repellent coating;

72-middle layer;

73-inner layer;

74-adhesive dots;

8-face mask.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

For new energy hybrid electric vehicles, the heating scheme of the battery pack in a low-temperature environment plays a crucial role in the dynamic performance, energy consumption and service life of the locomotive.

Referring to fig. 1-10, the present application provides a multiple use protective garment comprising, from outside to inside, an outer layer, a middle layer 72, and an inner layer 73; the outer layer is a water repellent woven fabric, the middle layer 72 is a polytetrafluoroethylene microporous membrane laminated fabric, and the inner layer 73 is a cotton cloth layer treated by a nano-amphiphobic technology;

the water-repellent woven fabric comprises a base fabric 711 and a water-repellent coating 712, wherein the water-repellent coating comprises polytetrafluoroethylene nano micro powder, titanium dioxide nano micro powder, a cross-linking agent and water-based coating glue.

The innermost layer 73 is a cotton cloth layer which is treated by a nano-amphiphobic technology and has waterproof and oil-proof properties, the protective structure of the cotton cloth layer supports multiple times of washing, and the cotton cloth layer is used as an inner layer, so that medical workers can wear the cotton cloth layer comfortably without causing allergy.

The nano-powder has the lowest surface tension, and is combined with the base cloth 711 fibers to fill the inner surface and the outer surface of the fibers, so that the fibers of the fabric have water-repellent, oil-repellent and antifouling capabilities. In addition, the nanometer level powder is added, so that the roughness of the fiber surface reaches the nanometer level, namely the fiber surface is applied, and the particles on the covering layer are nanometer level. Therefore, the fabric has very good oil and water repellent performance, and the oil and water repellent function is presented on the surface of the fabric.

In one possible embodiment, the base fabric 711 is woven from warp and weft yarns, both of which are 70-80D/34-38F polyester filaments. The base cloth 711 is subjected to water repellent treatment, the water repellent treatment adopts a water repellent agent and a water repellent synergist, and the water repellent agent is prepared by taking four monomers of vinylidene chloride, octadecyl acrylate, hydroxymethyl acrylamide and perfluoroalkyl acrylate as raw materials and adopting an emulsion polymerization mode; the water repellent synergist is isocyanate solution.

In one possible embodiment, adhesive dots 74 are uniformly disposed between the outer layer and the middle layer 72 and between the middle layer 72 and the inner layer 73.

In the above-described aspect, the bonding with the bonding points 74 is more moisture permeable than the conventional coated article.

In one possible embodiment, the bond points 74 have a diameter of 0.2 to 1.5 millimeters and the spacing between the bond points 74 is 0.2 to 1.0 millimeters.

In one possible embodiment, the inner layer 73 is embedded with a plurality of conductive fibers, and the spacing between adjacent conductive fibers is 5-50 mm.

In one possible embodiment, comprises a foot cover 2, a protective hat 5, a protective coat 1 and protective trousers 4; the foot sleeves 2 are detachably connected with the protective trousers 4.

In the scheme, the foot sleeve 2 is treaded and rubbed with the ground for a long time, the damage rate is far higher than other parts of the protective clothing, so that high-frequency replacement is needed, and the cost can be greatly saved by only replacing the foot sleeve 2.

In a possible embodiment, the foot cover 2 comprises a foot cover 2 part and a fastening part 22, the foot cover 2 part is sleeved on the foot when the foot cover is worn, the fastening part 22 is sleeved on the ankle and the calf, and the fastening part 22 is made of a circumferential elastic material.

In the scheme, the foot cover 2 is easy to separate from the protective clothing and replace.

In a possible embodiment, the foot cover 2 and the fastening portion 22 are bonded together seamlessly.

In the scheme, outside air is prevented from entering the protective clothing.

In a possible embodiment, the fastening portion 22 is provided with an elongated edge 24 at the upper end, and the inside of the elongated edge 24 is provided with an adhesive strip.

In the above scheme, the extension edge 24 is bonded to the protective garment through adhesive, so that the replaceable sheet can be fixed, and the space between the replaceable sheet and the protective garment can be sealed to prevent air from entering the protective garment.

In a possible embodiment, the elongate edge 24 is provided with a pull tab extending outwardly at the outer edge.

In the above arrangement, removal of the elongate edge 24 is facilitated.

In a possible embodiment, the bottom of the outer side of the foot sleeve 2 is provided with a wear-resistant sole 23, one side of the wear-resistant sole 23 is provided with a bonding glue layer, and the wear-resistant sole 23 is connected with the foot sleeve 2 through the bonding glue layer.

In the scheme, the wear-resistant structure of the sole is added, and the service life of the foot sleeve 2 is prolonged.

In one possible embodiment, the inner layer 73 is sprayed with a nano-silver antimicrobial agent.

In a possible embodiment, a foot-operated air pump 3 is arranged at the bottom in the foot cover 2, an air inlet 31 and an air outlet 32 are arranged on the foot-operated air pump 3, an air inlet device and an air outlet device are arranged on the protective clothing, the air inlet 31 is communicated with the air inlet device, and the air outlet 32 is communicated with an inner cavity of the protective clothing after being worn;

the air inlet device comprises an air inlet hole arranged on the foot sleeve 2 and a filtering device 33 hermetically covered on the outer side of the air inlet hole, the filtering device 33 comprises a filtering device shell 331, and an air inlet 332 and an air outlet 333 are arranged on two sides of the filtering device shell 331; the air inlet 332 is communicated with the atmosphere, and the air outlet 333 is communicated with the air inlet; a filter element is arranged between the air inlet 332 and the air outlet 333 in the shell of the filter device 33.

In the scheme, the foot stepping air pump 3 is arranged at the sole position in the protective clothing, when a person walks or independently lifts the presser foot, air is pumped into the foot stepping air pump 3 from the outside through the air inlet device on the protective clothing when lifting the foot, and then the foot is stepped on the air pump 3 when falling, the air in the air pump can be blown into the inner cavity of the protective clothing after being worn, and the air is discharged through the air outlet device on the protective clothing, so that the air is formed in the inner cavity of the protective clothing after being worn, the temperature in the inner cavity of the protective clothing after being worn can be reduced, the flow and exchange of the air in the inner cavity of the protective clothing after being worn are increased, the air in the inner cavity of the protective clothing after being worn is purified, and the bacterial growth is prevented. The wearing comfort of the person wearing the protective clothing is greatly improved.

Set up air inlet unit and air outlet means on the protective clothing, air inlet unit and air outlet means all set up the filtration of anti-virus, have guaranteed the clean of air inlet, also prevent that virus, bacterium etc. from getting into from the air-out, have protected personnel's of dress safety.

In a possible embodiment, a foot pump 3 is provided in each of the covers of both feet.

In the above scheme, the air supply efficiency can be increased.

In a possible embodiment, the filter device 33 is provided with an extension strip around its circumference, and the inside of the extension strip is provided with an adhesive.

In the above scheme, the extension strip is bonded on the foot cover 2 through the bonding glue, so that the filtering device 33 can be fixed, the space between the filtering device 33 and the foot cover 2 can be sealed, and unfiltered air is prevented from entering the protective clothing.

In a possible embodiment, the filter core includes adsorption layer group 334 and sterilization and disinfection layer group 335, adsorption layer group 334 is the pectination by a plurality of adsorption layer parallel arrangement, sterilization and disinfection layer group 335 is the pectination by a plurality of sterilization and disinfection layer parallel arrangement, the adsorption layer alternates together with the sterilization and disinfection layer each other.

In the above-described scheme, since air is sucked by the foot pump 3, the flow rate and the flow velocity of the air are large. The adsorbed layer adsorbs the floating dust in the air, and the disinfection layer that disinfects adsorbs and kills the bacterium and the virus in the air, sets up the adsorbed layer in turn and disinfects the disinfection layer, makes air purification's thoroughly.

In one possible embodiment, the adsorption layer is a melt-blown nonwoven fabric, and the density of the adsorption layer increases from the air inlet 332 to the air outlet 333 in sequence.

In the above scheme, the air can contain more floating dust, the filter element is easily blocked by the floating dust, the service life of the filter element is shortened, and the flow of the air is reduced. The density of the adsorption layer is set to be increased from the air inlet 332 to the air outlet 333 in sequence, and floating dust in the air is filtered layer by layer. The service life of the filter element is prolonged.

In one possible embodiment, the sterilization and disinfection layer is prepared by immobilizing fibers of high polyiodide/organic silicon quaternary ammonium salt, wherein the fibers are reticular fibers which are reticular activated carbon fibers, reticular nylon fibers or reticular polyester fibers.

In the scheme, the high polyiodide ions are firmly fixed on the surface of the fiber through chemical bonds, and air disinfection is realized in a mode that the high polyiodide ions on the surface are directly contacted with bacteria or viruses; the sterilization and disinfection layer has the characteristics of strong stability, high safety performance, good sterilization effect, convenience in use, long disinfection service life, no residue, no corrosion, low disinfection cost and the like, and particularly, the material can be used for air disinfection under the condition of the existence of people. The multi-layer sterilization and disinfection layer is arranged, so that the sterilization and disinfection are thorough.

In a possible embodiment, a first air permeable and water repellent layer 336 is attached to the air inlet 332, and a one-way valve for introducing air only in the direction of the inner side of the protective suit is arranged on the air outlet 333.

In the scheme, the breathable water-repellent layer is arranged to prevent water from entering the pollution filter element and prevent liquid from carrying viruses into the filter element, and preferably, the breathable water-repellent layer is a water-repellent spun-bonded non-woven fabric layer.

The air inlet check valve is arranged only towards the inner side direction of the protective clothing, so that the air is prevented from being discharged from the air inlet when the air pump 3 is stepped on by a foot to give air, and the flowing effect of air in the protective clothing is better increased.

In a possible embodiment, the air outlet 32 communicates with the inside of the protective garment after wearing through a ventilation duct 34, the ventilation duct 34 extending from the sole to the head, and a plurality of air outlets are provided along the extending direction.

In the above solution, the ventilation tube 34 extends along the body direction and has air outlets uniformly distributed thereon, so that all parts of the body can be induced by wind.

In a possible embodiment, two ventilation pipes 34 are included, and the two ventilation pipes 34 are respectively connected with the foot-operated air pump 3 of two feet and extend towards the head along the rear side of the human body.

In a possible embodiment, the ventilation opening is arranged towards the body.

In the above scheme, the wind gap sets up towards the people's health and makes the better wind of accepting of user, increases the comfort level.

In one possible embodiment, the vent tube 34 is a flexible tube with a rectangular cross-section, with the longer side of the cross-section being parallel to the body.

In the scheme, the body feels the least to ventilation pipe 34, hardly feels the existence of ventilation pipe 34, improves the comfort level of using.

In one possible embodiment, the air outlet means includes a first air outlet hole group 11 provided at the back of the protective jacket 1, a second air outlet hole group 41 provided at both legs, and a third air outlet hole group 51 provided at the head;

the first air outlet hole group 11, the second air outlet hole group 41 and the third air outlet hole group 51 all comprise a plurality of air outlet holes, and one-way valves only capable of giving out air are arranged on the air outlet holes.

In the scheme, the air outlet holes are formed in different positions of the body, so that air is more uniform.

In one possible embodiment, the outside of first gas outlet hole group 11, second gas outlet hole group 41 and third gas outlet hole group 51 is covered with second air-permeable water-repellent layer 6.

In the scheme, the breathable water-repellent layer is arranged to prevent the virus carried in the liquid from entering.

In one possible embodiment, the breathable water-repellent layer is a water-repellent spunbond nonwoven layer.

In a possible embodiment, the foot-operated air pump 3 is a bellows-type foot-operated air pump, the foot-operated air pump 3 is disposed at the heel, the foot-operated air pump 3 includes a top plate 35 and a bottom plate 36, an included angle greater than 0 ° and smaller than 90 ° is formed between the top plate 35 and the bottom plate 36, and the side of the top plate 35 and the bottom plate 36 with a larger distance is disposed near the rear end of the heel.

In the above scheme, the shape, the setting position and the direction of the foot-operated air pump 3 are not uncomfortable to wear, and the air pump conforms to the motion state of the feet during walking, so that the air inlet efficiency is comfortable and high.

In a possible embodiment, the protective hat 5, the protective jacket 1 and the protective pants 4 are provided integrally.

In a possible embodiment, the protective cap comprises a sealing mask 8.

In the scheme, because of the air pumping structure, the face is sealed without generating oxygen deficiency, and the trouble of wearing goggles and masks is also saved.

In a possible embodiment, a first breathable opening is arranged in the armpit of the protective coat 1, a first replaceable sheet 12 is covered on the first breathable opening, and the first replaceable sheet 12 comprises a hydrophilic layer, a water absorbing layer and a water repellent layer from inside to outside;

the first replaceable sheet 12 is provided with a first extending sheet 124 on the circumference, the inner diameter of the first extending sheet 124 is larger than the outer diameter of the first ventilation opening, and the inner side of the first extending sheet 124 is provided with an adhesive strip.

In the scheme, sweat has large smell and certain corrosivity and colorability, the replaceable patch is arranged at the position where sweat is easy to sweat of the protective clothing which can be used for multiple times, and the patch is removed after each use and then the main body 1311 of the protective clothing is washed and disinfected. The cleaning steps, time and cost of the protective clothing are reduced when the protective clothing is cleaned every time. And the service life of the protective clothing is prolonged.

The extension sheet is bonded on the protective clothing through bonding glue, so that the replaceable sheet can be fixed, the replaceable sheet and the protective clothing can be sealed, and unfiltered air is prevented from entering the protective clothing.

In one possible embodiment, the hydrophilic layer is hydrophilic spun-bonded non-woven fabric, the water absorption layer is prepared by mixing wood pulp fibers and activated carbon fibers, and the water repellent layer is water repellent melt-blown non-woven fabric.

In the scheme, the hydrophilic layer rapidly absorbs water vapor and finally transmits the water vapor to the water absorption layer with strong water absorption capacity, peculiar smell is removed, the water repellent layer filters small particles and prevents germs from invading, and the hydrophilic layer also plays a role in preventing water from entering and diffusing sweat of the water absorption layer outwards. The mutual cooperation between the layers is skillfully utilized, and water vapor can be quickly discharged from the inside to the outside, so that the problems that the body surface has water sticking feeling and the use comfort is influenced due to untimely discharge of the water vapor are solved; small particles and germs can be effectively filtered; the comfort and the safety of the protective clothing are improved.

In one possible embodiment, the water-repellent spun-bonded nonwoven fabric of the water-repellent layer is immobilized with high polyiodide/organosilicon quaternary ammonium salt.

In one possible embodiment, the first replaceable sheet 12 protrudes toward the body side to form a convex three-dimensional shape.

In the scheme, the replacement pieces at the armpits are formed into convex shapes corresponding to the shapes of the armpits and then are attached to the corresponding positions of the protective clothing, so that the protective clothing is good in fitness in use and better in improvement of comfort.

In one possible embodiment, the replaceable sheet comprises a body side sheet 121 close to the body side and an arm side sheet 122 close to the arm side, the body side sheet 121 and the arm side sheet 122 are jointed at the upper end to form a joint edge 123, and the joint edge 123 is an elongated joint edge 123 edge extending in the front-back direction.

In one possible embodiment, the middle of the engagement edge 123 is recessed downward to form a groove that mates with the underarm.

In the above arrangement, the engaging edge 123 forms the lowest point in the middle of the armpit and then extends upward toward the front and rear sides of the body to be more conformable to the body and more comfortable to wear after use.

In a possible embodiment, a second breathable opening is arranged at the back of the protective coat 1, a second replaceable sheet 13 is covered on the second breathable opening, and the second replaceable sheet 13 comprises a water absorption layer, a hydrophilic layer and a water repellent layer from inside to outside; a second extension sheet 131 is arranged on the periphery of the second replaceable sheet 13, the inner diameter of the second extension sheet 131 is larger than the outer diameter of the second ventilation opening, and an adhesive tape is arranged on the inner side of the second extension sheet 131.

In the scheme, the back is easy to sweat, sweat smell is large, certain corrosivity and colorability are achieved, the replaceable patch is arranged at the position, which is easy to sweat, of the protective clothing capable of being used repeatedly, and the patch is removed after each use and then the main body 1311 of the protective clothing is washed and disinfected. The cleaning steps, time and cost of the protective clothing are reduced when the protective clothing is cleaned every time. And the service life of the protective clothing is prolonged.

In one possible embodiment, the second replaceable sheet 13 includes a main body 1311 and shoulders 1312, and the shoulders 1312 are located on both sides above the main body 1311 of the second replaceable sheet 13.

In the scheme, the firmness of the fit is improved, and sweat on the shoulder can be absorbed and discharged.

In one possible embodiment, the protective coat 1 is provided with a neck collar 14 around the neck, and a third replaceable sheet is arranged inside the neck collar 14, and the third replaceable sheet sequentially comprises a hydrophilic layer, a water absorption layer and an adhesive layer from inside to outside.

In the scheme, the neck moves more, the neck is easy to wear and sweat, and the service life of the protective clothing can be prolonged by placing the replacement piece.

In a possible embodiment, the protective cap 5 is removably associated with the protective jacket 1.

In the above scheme, the replacement of the protective cap 5 is facilitated.

In a possible embodiment, the bottom of the helmet 5 is provided with a third extension piece matched with the collar 14, and the inner side of the third extension piece is provided with an adhesive strip.

In the scheme, the extension sheet is bonded on the protective clothing through the bonding glue, so that the replaceable sheet can be fixed, the space between the replaceable sheet and the protective clothing can be sealed, and unfiltered air is prevented from entering the protective clothing.

In one possible embodiment, the first, second and

third extension pieces

124, 131 and 131 are each provided with a pull tab extending outwardly at the outer edge.

In the scheme, the replaceable sheet is convenient to tear off.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A protective garment for multiple use is characterized by comprising an outer layer, a middle layer and an inner layer from outside to inside; the outer layer is a water repellent woven fabric, the middle layer is a polytetrafluoroethylene microporous membrane laminated fabric, and the inner layer is a cotton cloth layer treated by a nano-amphiphobic technology;

the water-repellent woven fabric comprises base cloth and a water-repellent coating, the polytetrafluoroethylene microporous membrane laminated fabric is formed by compounding multiple layers of polytetrafluoroethylene microporous membranes, micropores of 10-500 nanometers are uniformly distributed on the polytetrafluoroethylene microporous membrane laminated fabric, and the thickness of the polytetrafluoroethylene microporous membrane laminated fabric is 0.01-0.1 millimeter.

2. The multiple use protective garment of claim 1, wherein adhesive points are uniformly disposed between said outer layer and said middle layer and between said middle layer and said inner layer.

3. The multiple use protective garment of claim 2, wherein said inner layer has a plurality of conductive fibers embedded therein, said conductive fibers being spaced from each other by a distance of 5-50 mm.

4. The multiple use protective garment of claim 3, comprising a foot cover, a protective hat, a protective top, and protective pants; the foot sleeves are detachably connected with the protective trousers.

5. The multiple-use protective garment as claimed in claim 4, wherein the foot cover includes a foot cover portion and a fastening portion, the foot cover portion is disposed over the foot when worn, the fastening portion is disposed over the ankle and the lower leg, and the fastening portion is made of a circumferential elastic material.

6. The multiple use protective garment of claim 5, wherein the foot cuff portion and the fastening portion are seamlessly bonded.

7. The protective clothing for multiple use according to claim 6, wherein a wear-resistant sole is arranged at the bottom of the outer side of the foot cover, a bonding glue layer is arranged on one side of the wear-resistant sole, and the wear-resistant sole is connected with the foot cover through the bonding glue layer.

8. The multiple use protective garment of claim 7, wherein the bond points are 0.2-1.5 mm in diameter and the spacing between the bond points is 0.2-1.0 mm.

9. The multiple use protective garment of claim 8, wherein the inner layer is spray coated with a nano silver antimicrobial agent.