CN111632293A - Protective clothing hood support frame - Google Patents
Protective clothing hood support frame Download PDFInfo
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- CN111632293A CN111632293A CN202010486441.2A CN202010486441A CN111632293A CN 111632293 A CN111632293 A CN 111632293A CN 202010486441 A CN202010486441 A CN 202010486441A CN 111632293 A CN111632293 A CN 111632293A
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- air
- hood
- wearer
- protective clothing
- head
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- 230000001681 protective effect Effects 0.000 title claims abstract description 107
- 238000001914 filtration Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 8
- 238000010926 purge Methods 0.000 description 6
- 230000004087 circulation Effects 0.000 description 4
- 230000004886 head movement Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000002026 carminative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/12—Surgeons' or patients' gowns or dresses
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Toxicology (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a protective clothing hood supporting frame which is characterized by comprising a wearing fixing part, a hood supporting part and an air inlet part, wherein the wearing fixing part comprises a fixing frame; the head cover supporting part is used for supporting the head cover, so that the head cover can not be attached to the face and the head of a wearer, and the head of the wearer can move freely in the head cover; the air inlet part comprises a filtering system and an air supply system, and the air supply system conveys air filtered by the filtering system into the hood for a wearer to breathe; the protective clothing head cover support frame is used for supporting a protective clothing head cover and providing a comfortable activity space for the head of a protective clothing wearer; and meanwhile, the air inlet part is arranged, so that water vapor cannot be generated in the hood, and clear sight of a wearer is ensured.
Description
Technical Field
The invention belongs to the field of medical supplies, and particularly relates to a protective clothing head cover support frame.
Background
In the prior art, no matter the manufacturing material of the protective clothing is air-permeable or air-impermeable, the air in the protective clothing can not flow circularly, and the wearing time is long, so that the wearer feels sultry. In the existing protective clothing, the head is protected by the protective cap, but the face of a wearer is not well protected, and the wearer needs to wear a mask, goggles and the like for better protection. But gauze mask and goggles can appear steam on the one hand after wearing for a long time, and the wearer can feel breathing difficulty and sight are obstructed, and on the other hand goggles can oppress the wearer face, causes the slow impression etc. to appear with the face of the facial blood circulation of wearer, influences the travelling comfort of wearer. In order to solve the problems, the hood with the inner space larger than the head of a human body is used for replacing a protective hat carried by protective clothing in the prior art to carry out face and head integrated protection, when the protective clothing is worn, the hood of the protective clothing is sleeved on the head of a wearer, so that the use of face protective appliances such as a mask, goggles and the like is avoided, and the comfort is high. The head cover is generally made of a thin soft transparent plastic film, and in order to prevent the head cover from being attached to the head of a wearer or affecting the head movement of the wearer, air needs to be guided to the inner wall of the transparent head cover, so that a supporting device capable of supporting the head cover and keeping the head cover in a fixed shape is urgently needed.
Disclosure of Invention
The invention aims to provide a protective clothing head cover support frame which is used for supporting a protective clothing head cover and providing a comfortable activity space for the head of a protective clothing wearer; and meanwhile, the air inlet part is arranged, so that water vapor cannot be generated in the hood, and clear sight of a wearer is ensured.
The invention relates to a protective clothing hood supporting frame, which comprises a wearing fixing part, a hood supporting part and an air inlet part, wherein the wearing fixing part comprises a fixing frame; the head cover supporting part is used for supporting the head cover, so that the head cover can not be attached to the face and the head of a wearer, and the head of the wearer can move freely in the head cover; air inlet portion includes filtration system and air supply system, and air supply system will pass through in filtration system filtration's air transportation to the hood, supplies the wearer to breathe and uses, forms the air current in the hood simultaneously, avoids appearing steam on the hood inner wall.
Preferably, the top of the fixing frame is higher than the head top of the human body, the hood supporting part comprises a main supporting ring connected to the top of the fixing frame and an auxiliary supporting ring connected to the middle of the fixing frame, and the main supporting ring and the auxiliary supporting ring both extend towards the front side of the face of the human body; when the head cover is worn, the main support ring is positioned at the upper part of the top of the head of a wearer and supports the top of the head cover, and the auxiliary support ring is positioned at the front part of the neck of the wearer and supports the front side surface of the head cover; after wearing, when the head of a wearer moves freely in the hood, the head of the wearer does not touch the inner side surface of the hood.
Preferably, the mount is the rectangular frame who comprises two horizontal poles and two vertical hollow poles, and the main tributary support ring is the hollow pole of arc, is provided with the gas vent towards human face front side on the hollow pole of arc, and the hollow pole both ends of arc are fixed and the intercommunication with two vertical hollow poles respectively, and the two vertical hollow pole other ends all communicate with air intake portion.
Preferably, the air supply system comprises a purified air cavity, and an air supply device communicated with the filtering system and a circulating air device communicated with the internal space of the protective clothing are arranged in the purified air cavity; the air supply device comprises an air pump, an air inlet of the air pump is communicated with the filtering system, and an air outlet of the air pump is communicated with the purified air cavity; the circulating air device comprises a fan arranged in the purified air cavity and a one-way valve for communicating the purified air cavity with the inner space of the protective clothing; when the fan is started, air in the protective clothing enters the purifying air cavity through the one-way valve and is blown into the protective clothing together with fresh air supplied by the air pump.
Preferably, the air inlet of the one-way valve is provided with a grid plate, and the grid plate is arranged in the protective clothing and fixed with the fixing frame.
Preferably, the air outlet of the fan is connected with a hollow sleeve, and the hollow sleeve is fixed on the fixed frame and is communicated with the purification air cavity and the two vertical hollow rods through the fan.
Preferably, the filtration system includes the filter chamber, is provided with the filter screen in the filter chamber, and the filter screen is including having set gradually outer filter screen, positive electrode filter screen, middle filter screen, negative electrode filter screen and interior filter screen, and interior filter screen is close to the air inlet setting of air pump, and the air inlet of air pump is fixed on the filter chamber.
Preferably, the width of the fixing frame is adapted to the width of the back of the human body, and the fixing frame is arranged between two shoulders of the back of a wearer when the fixing frame is worn; the wearing fixing part also comprises a length-adjustable wearing shoulder belt fixedly connected with the fixing frame, and when the user wears the clothes, the arms of the user penetrate through the wearing shoulder belt and are fixed.
Preferably, a switch for controlling the air supply system is arranged on the wearable shoulder belt, and the switch is electrically connected with a battery for supplying power to the air supply system.
The protective clothing head cover support frame has the beneficial effects that:
1. the wearing part is arranged to fix the support frame on the back of the wearer, and the wearing is convenient. And the protective clothing hood supported by the supporting frame moves synchronously with the wearer, so that the problem of shaking or swinging of the hood can be avoided.
2. The supporting part is arranged to support the thin and soft hood, a determined head free movement space is provided for a wearer, the inner wall of the hood is far away from the face of the wearer, and the wearer is ensured to have a free breathing space.
3. The filtering system is arranged to provide continuous fresh air for the mask, so that the breathing freedom of a wearer is ensured, and the problem of difficult breathing or oxygen deficiency is avoided.
4. The air supply system is arranged, so that air circulation in the protective clothing is realized, and the problem that the sight of a wearer is influenced by the appearance of water vapor on the head cover is effectively avoided; promote the air circulation in the protective clothing, effectively avoid the problem that the air in the protective clothing is sultry.
Drawings
FIG. 1 is a schematic view of a back axial view of a protective clothing head cap support frame of the invention when worn,
FIG. 2 is a schematic axial view of the front side of a support frame for a head covering of a protective garment of the present invention after wearing,
figure 3 is a schematic view of the structure of a protective garment head covering support of the present invention,
FIG. 4 is a schematic view of the back side of the support frame of the head cover of the protective clothing of the present invention (with the position of the air supply system cut away),
figure 5 is a schematic view of the air flow in the fan,
FIG. 6 is a schematic view of a fan structure,
FIG. 7 is a schematic view of the structure of the air supply system,
figure 8 is a front view of the interior of the blower system,
figure 9 is a schematic view of the fan inlet plenum configuration,
figure 10 is a control diagram of the fan air pump circuit,
figure 11 is a schematic view of the shoulder strap being worn,
FIG. 12 is a schematic view showing the head cover of the protective clothing supported by the support frame and the air circulation path inside the protective clothing,
fig. 13 is a schematic view of the protective clothing with the head cover supported by the support frame according to the technical scheme after wearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
It is particularly preferred that the front, back and side surfaces are all in the perspective of the wearer, i.e. the front of the wearer's body, the back of the wearer's body, i.e. the back or back, and the sides of the wearer's body, i.e. the side surfaces. In addition, it should be noted that in this technical solution, "protective clothing body" refers to the part worn on the human body as indicated by reference 1001 in fig. 13, "protective clothing" refers to the integral part composed of the protective clothing body 1001 and the head cover 1002, and the interior of the protective clothing or the interior space of the protective clothing includes the interior space of the head cover 1002 and the interior space of the protective clothing body 1001. Both the exterior of the suit and the exterior of the body of the suit refer to areas other than the space to be protected by the suit.
As shown in fig. 13, 1001 is a protective clothing body, 1002 is a transparent head cover, the supporting frame is fixed on the back of the wearer and covered by the protective clothing body 1001, the head cover 1002 is covered on the supporting frame, and the lower edge of the head cover 1002 is hermetically connected with the protective clothing body 1001, the protective clothing body 1001 and the head cover 1002 together form a sealed area, so as to protect the wearer.
The hood 1002 and the suit body 1001 may be separate or integrally connected. In order to improve the protective ability and facilitate putting on and taking off of the protective garment and facilitate sealing of the protective garment by a wearer when wearing the protective garment, the protective garment body 1001 and the head cap 1002 are preferably connected integrally. That is, the lower edges of the rear part and the two sides of the hood 1002 are integrally connected with the protective clothing body 1001, the hood 1002 is arranged on the front side of the neck of a wearer and is provided with a longitudinal sealing sheet, and when the protective clothing is worn, the longitudinal sealing sheet is lapped outside the neckline position of the protective clothing body 1001, so that the protective clothing body 1001 is hermetically connected with the hood 1002.
According to the technical scheme, the integrally connected protective clothing body 1001 and the hood 1002 are convenient for the hood 1002 to be covered on the support frame or taken off from the support frame, a transitional connection area with a certain width or allowance is reserved at the integral connection position of the lower edge of the hood 1002 and the protective clothing body 1001, generally, an organ belt and the like are adopted, so that the hood 1002 can be covered on the support frame in the same wearing mode of wearing a shirt-connected hat, or can be conveniently folded backwards and taken off from the support frame.
In order to ensure that a wearer can breathe normally, or air for the wearer to breathe normally is provided in the protective clothing, and the air pressure in the protective clothing is stable, a gas inlet 1003 and a gas outlet 1004 are arranged on the protective clothing body 1001, a first filter 1005 and a second filter 1006 are respectively arranged at the positions of the gas inlet 1003 and the gas outlet 1004, and the outside air of the protective clothing enters the protective clothing through the first filter 1005 at the position of the gas inlet 1003 and is finally exhausted from the gas outlet 1004.
In cooperation with the protective clothing, in order to support and fix the hood 1002 and ensure that air outside the protective clothing continuously enters the protective clothing and enters the hood 1002 to be used by a wearer for breathing, the technical scheme provides the technical scheme of the support frame.
As shown in figures 1 and 2, the protective clothing head cover support frame comprises a wearing fixing part 1, a head cover supporting part 2 and an air inlet part 3. The wearing fixing part comprises a fixing frame 19, and the hood supporting part 2 and the air inlet part 3 are both fixed on the fixing frame 19. The head-covering support part 2 is used for supporting the head covering of the protective clothing, so that the head covering can not be attached to the face and the head of a wearer, and the head of the wearer can move freely in the head covering.
As shown in fig. 12, the head cover support part 1 of the present embodiment is used to support the head cover 1002 so that the head cover 1002 does not stick to the face and the head 102 of the wearer can move freely in the head cover 1002. The face protection of the wearer by using the existing mask and goggles can be avoided, a larger free movement space and breathing space are provided for the head 102 of the wearer, and the comfort is improved; avoid appearing steam on the glasses of wearing and influence the wearer's sight, avoid the wearer when breathing in, adsorb hood 1002 on the mouth nose, the influence smoothly breathes in.
As shown in fig. 12, the intake unit 3 according to the present embodiment includes a filter system 6 and an air blowing system 4. The filtering system 6 filters the air entering after being filtered by the first filter 1005 at the air inlet 1003 on the protective suit body 1001 again to obtain purified air for breathing of the wearer, so that protection and isolation are realized.
As shown in fig. 12, in the present technical solution, the air supply system 4 will just obtain purified air through the filtration of the filtration system 6 and input the purified air into the head cover 1002, and meanwhile, the air supply system 4 can also realize the self-circulation of air in the protective clothing body 1001, thereby avoiding the occurrence of water vapor in the head cover 1002 and the protective clothing body 1001.
As shown in fig. 12, the air supply system 4 in the present technical solution can realize self-circulation of the total air inside the protective suit, the air flow 02 shown in fig. 12 passes through the filter system 6 and the air supply system 4 and then enters the hood 1002 and the protective suit body 1001, the purified air flow 01 entering the hood 1002 is divided into two parts under the action of the air supply system 4, one part enters the air supply system 4 again to be circulated and then is delivered into the hood 1002 again, the air flow labeled 03 in fig. 12 realizes recirculation, the air flow labeled 04 enters the protective suit body 1001, and the air in the protective suit is discharged when the air pressure is greater than the external pressure.
As shown in FIGS. 2 and 3, the top of the fixed frame 19 is higher than the head of the human body, and the head-covering support part 2 includes a main support ring 21 connected to the top of the fixed frame 19 and an auxiliary support ring 22 connected to the middle of the fixed frame 19. The main support ring 21 and the auxiliary support ring 22 each extend in the front direction of the human face. When worn, the primary support ring 21 is positioned on top of the wearer's head and supports the top of the hood 1002, and the secondary support ring 22 is positioned in front of the wearer's neck and supports the front side of the hood 1002.
As shown in FIG. 12, when worn, the head 102 of the wearer is free to move within the hood 1002 without touching the inside surface of the hood 1002. In the technical scheme, the main support ring 21 and the auxiliary support ring 22 realize support at the same time, and the cylindrical hood 1002 is supported and fixed by combining the fixing frame 19.
As shown in fig. 3 and 4, the fixing frame 19 is a rectangular frame consisting of two horizontal rods 11 and two vertical hollow rods 12, and the main support ring 21 is an arc-shaped hollow rod provided with an air outlet 41 facing the front side of the human face. The hollow pole both ends of arc are fixed and the intercommunication with two vertical hollow poles 12 respectively, and two vertical hollow poles 12 other ends all communicate with air intake portion 3.
As shown in fig. 3 and 4, the arc-shaped hollow rod in the technical solution can adopt a U-shape or a semicircular shape, and the like, and the arc-shaped hollow rod has no protruding edges and corners, so that the hood 1002 cannot be worn and damaged, and the two ends of the arc-shaped hollow rod are respectively welded with the connecting holes formed at the upper ends of the two vertical hollow rods 12. The arc hollow rod is communicated with the vertical hollow rod 12, breathable air input from the air inlet part 3 enters the arc hollow rod from two ends of the arc hollow rod through the two vertical hollow rods 12 respectively, and is discharged from an air outlet 41 arranged on the arc hollow rod and facing the front side of the face of a human body. When the air outlet 41 department exhaust air, the air direction blows off on the hood towards human face the place ahead, or blows off along the hood side that is close to human face the place ahead, forms an air current 01 on the medial surface that lies in human face the place ahead at hood 1002 like this, realizes mending the air in the hood 1002 on the one hand, and the steam on the medial surface of hood 1002 is blown off to the other hand, avoids appearing steam on the medial surface of hood 1002 and influences the sight of wearing person.
As shown in fig. 4 and 8, a hollow sleeve 42 is fixed between the two vertical hollow rods 12 of the fixing frame 19, and a connecting cavity 59 is formed in the hollow sleeve 42, and the connecting cavity 59 communicates the two vertical hollow rods.
As shown in fig. 8, an air inlet working chamber is provided in the connecting chamber 59, a horizontal partition plate 40 is provided in the air inlet working chamber, and the air inlet working chamber is divided into a lower filtering chamber 60 and an upper purified air chamber 44 by the horizontal partition plate 40. The air supply system comprises an air supply device which is arranged in the purified air cavity 44 and communicated with the filtering system 6 and a circulating air device which is communicated with the inner space of the protective clothing. The air supply device pumps the outside air out of the filter system 6 in the filter chamber 60, enters the purified air chamber 44, and then is delivered into the hood 1002 by the fan 46 of the purified air chamber 44, so as to meet the requirement of normal breathing of the wearer. However, the air that is routed into the hood is only sufficient for the wearer's normal breathing needs. When the fan 46 works, the circulating air device also starts to work, air in the protective suit body 1001 enters the purified air cavity 44 through the circulating air device and is synchronously blown into the hood 1002 by the fan 46 again, and self-circulation of the air in the protective suit is realized. During the air self-loopa, the amount of wind that can effectual increase fan 46 blew out, the carminative air current increase in gas vent 41 department, the effectual realization is to cleaing away of fog on the hood 1002 inner wall, also can avoid appearing the steam condensation on the hood 1002 inner wall, avoids causing the sight to hinder to the wearer. Meanwhile, air self-circulation can form a flowing air flow in the protective clothing, and the stuffiness and air impermeability of the protective clothing worn for a long time are improved. An air outlet is arranged on the protective suit, and when the air pressure in the protective suit is higher than the external air pressure, the air in the protective suit can be exhausted through the air outlet 1004, so that the overlarge pressure in the protective suit is avoided.
As shown in fig. 4, the air supply means includes an air pump 45, an air inlet 451 of which is communicated with the filter system chamber 60 and an air outlet of which is communicated with the purge air chamber 44. An air inlet 451 of the air pump is communicated with the filter chamber 60 provided with the filter net through the horizontal partition plate 40. The air pump 45 works to extract air in the filter cavity 60, so that negative pressure is formed in the filter cavity 60, after the negative pressure occurs in the filter cavity 60, the outside air of the protective suit enters through the first filter 1005 at the position of the air inlet 1003, and is then filtered by the filter system and then is supplemented into the filter 60, and then the air pump 45 pumps the purified air obtained from the filter cavity 60 into the purified air cavity 44, so that the fresh air is continuously supplemented into the purified air cavity 44, namely the fresh air is continuously supplemented into the hood 1002, and the normal breathing requirement of a wearer is ensured.
As shown in fig. 8, the circulating air means includes a fan 46 provided in the purge air chamber 44 and a check valve 47 communicating the purge air chamber 44 with the inner space of the body 1001 of the armor, and an outlet 461 of the fan is provided in the hollow sheath 42 and communicates the connecting chamber 59 with the purge air chamber 44. When the fan 46 is activated, air inside the suit enters the purge air chamber 44 through the check valve 47, and is blown into the hood 1002 and the suit body 1001 together with fresh air supplied from the air pump 45.
As shown in fig. 8, a battery 48 is further disposed in the purge air chamber 44, and the battery 48 supplies power to the air supply system 4. The air inlet of the one-way valve 47 is connected with the mesh plate 43, and the mesh plate 43 is arranged in the protective suit body 1001 and fixed with the fixed mount 19. The mesh plate 43 is used for isolating clothes on the back of the wearer from blocking the inlet of the one-way valve 47, and air self-circulation in the protective clothing is prevented from being influenced. The grid plate 43 can also prevent the support frame from being attached to the back of a user in a large area, and the grid plate 43 allows the back of a wearer to have air circulation, so that the comfort level of the wearer is improved.
As shown in fig. 8 and 10, the filtering system 6 includes a filtering chamber 60 and filtering nets disposed in the filtering chamber 60, wherein the filtering nets include an outer filtering net 62, a positive electrode filtering net 63, a middle filtering net 64, a negative electrode filtering net 65 and an inner filtering net 66 which are sequentially disposed. The inner filter 66 is disposed near the air inlet of the air pump 451, and the outer filter 62 is disposed toward the first filter 1005 at the air inlet 1003, and re-filters the air filtered by the first filter 1005. Namely, the outside air of the protective suit body 1001 is firstly filtered by the first filter 1005 at the air inlet 1003, and then is filtered by the filtering system 6, so that the filtering times are increased, and the protection grade and the protection capability are improved. The positive electrode filter mesh 63 and the negative electrode filter mesh 65 are metal sintered filter meshes, and the outer filter mesh 62, the middle filter mesh 64 and the inner filter mesh 66 are flexible filter cloths mainly made of non-woven fabrics and melt-blown fabrics. Adopt this technical scheme's filtration system 6 can be outside at the protective clothing with the harmful substance separation in the air, and the air can supply the human breathing in getting into the protective clothing. Of course, different materials of the filtering system can be selected according to different use environments and different air pollution sources.
As shown in fig. 3 and 11, the width of the fixing frame 19 is adapted to the width of the back of the human body, and is positioned between the shoulders of the back of the wearer when the wearer wears the device. The wearing fixing part 1 further comprises a wearing shoulder strap 14 with adjustable length fixedly connected with the fixing frame 19. When worn, the arms of the wearer are passed over and secured to shoulder straps 14. The wearing shoulder straps 14 are provided with switches 49 for controlling the air supply system 4. The connecting belt 15 is connected between the two wearing shoulder straps 14, the connecting belt 15 is fixed with the grid plate 43 and is fixed on the fixing frame 19 through the grid plate 43, the chest buckle belt 16 with adjustable length is further arranged between the two wearing shoulder straps 14, when the bra is worn, the chest buckle belt 16 is arranged in the chest position of a human body and is fixed, the whole supporting frame is firmly fixed on the body of a wearer, and the problem of shaking is avoided.
The invention relates to a protective clothing head cover support frame, which is matched with a protective clothing body 1001 and a head cover 1002 which are matched with the support frame and are shown in figure 13, and after the support frame is worn:
1. the head movement of the wearer is not limited by any foreign objects, and the supporting space of the supporting frame is large enough to meet the head movement requirement of the user. This support frame structure adopts hollow structure more, like vertical hollow rod 12 and the hollow rod of arc etc. greatly reduced the holistic weight of this support frame for the person of wearing is comfortable.
2. The support frame supports the head cover, so that the visual requirement of a wearer is met, the wearing of a conventional mask and goggles can be effectively avoided, and the protection comfort is improved.
3. Set up filtration system and air supply system on the support frame, one provides continuous fresh air for the person of wearing to guarantee the person of wearing normal breathing demand, the effectual inside fogging problem of hood of having avoided in addition ensures that the person of wearing observes and work sight needs.
4. The self-contained battery is adopted for power supply, so that the activity space of a user is not limited; with appropriate batteries, the protective garment can last a long time.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (9)
1. A protective clothing hood supporting frame is characterized by comprising a wearing fixing part, a hood supporting part and an air inlet part, wherein the wearing fixing part comprises a fixing frame, and the hood supporting part and the air inlet part are both fixed on the fixing frame; the head cover supporting part is used for supporting the head cover, so that the head cover can not be attached to the face and the head of a wearer, and the head of the wearer can move freely in the head cover; air inlet portion includes filtration system and air supply system, and air supply system will pass through in filtration system filtration's air transportation to the hood, supplies the wearer to breathe and uses, forms the air current in the hood simultaneously, avoids appearing steam on the hood inner wall.
2. The protective clothing hood support frame according to claim 1, wherein the top of the fixing frame is higher than the top height of the human head, the hood support part comprises a main support ring connected to the top of the fixing frame and an auxiliary support ring connected to the middle of the fixing frame, and the main support ring and the auxiliary support ring both extend towards the front side of the human face; when the head cover is worn, the main support ring is positioned at the upper part of the top of the head of a wearer and supports the top of the head cover, and the auxiliary support ring is positioned at the front part of the neck of the wearer and supports the front side surface of the head cover; after wearing, when the head of a wearer moves freely in the hood, the head of the wearer does not touch the inner side surface of the hood.
3. The protective clothing head cap support frame according to claim 2, wherein the fixing frame is a rectangular frame consisting of two horizontal rods and two vertical hollow rods, the main support ring is an arc-shaped hollow rod, the arc-shaped hollow rod is provided with an air outlet facing the front side of the human face, two ends of the arc-shaped hollow rod are respectively fixed and communicated with the two vertical hollow rods, and the other ends of the two vertical hollow rods are communicated with the air inlet part.
4. The protective suit hood support bracket of claim 1 wherein the air supply system comprises a purified air chamber, the purified air chamber having an air supply means in communication with the filtration system and a circulating air means in communication with the interior space of the protective suit; the air supply device comprises an air pump, an air inlet of the air pump is communicated with the filtering system, and an air outlet of the air pump is communicated with the purified air cavity; the circulating air device comprises a fan arranged in the purified air cavity and a one-way valve for communicating the purified air cavity with the inner space of the protective clothing; when the fan is started, air in the protective clothing enters the purifying air cavity through the one-way valve and is blown into the protective clothing together with fresh air supplied by the air pump.
5. The protective clothing head cap support frame of claim 4, wherein the air inlet of the one-way valve is provided with a grid plate, and the grid plate is arranged in the protective clothing and fixed with the fixed frame.
6. The protective clothing head cap support frame according to claim 4, wherein the air outlet of the fan is connected with a hollow sleeve, and the hollow sleeve is fixed on the fixed frame and is communicated with the purified air cavity and the two vertical hollow rods through the fan.
7. The protective clothing head cap support frame of claim 4, wherein the filtering system comprises a filtering cavity, a filtering net is arranged in the filtering cavity, the filtering net comprises an outer filtering net, a positive electrode filtering net, a middle filtering net, a negative electrode filtering net and an inner filtering net which are sequentially arranged, the inner filtering net is arranged close to an air inlet of the air pump, and the air inlet of the air pump is fixed on the filtering cavity.
8. The protective garment hood support bracket of claim 1 wherein the width of the mounting bracket is adapted to the width of the back of a person and is positioned between the shoulders of the wearer's back when worn; the wearing fixing part also comprises a length-adjustable wearing shoulder belt fixedly connected with the fixing frame, and when the user wears the clothes, the arms of the user penetrate through the wearing shoulder belt and are fixed.
9. The protective garment hood support stand of claim 8 wherein the harness is provided with a switch for controlling the air supply system, the switch being electrically connected to a battery for powering the air supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486441.2A CN111632293A (en) | 2020-06-01 | 2020-06-01 | Protective clothing hood support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486441.2A CN111632293A (en) | 2020-06-01 | 2020-06-01 | Protective clothing hood support frame |
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| Publication Number | Publication Date |
|---|---|
| CN111632293A true CN111632293A (en) | 2020-09-08 |
Family
ID=72324260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010486441.2A Pending CN111632293A (en) | 2020-06-01 | 2020-06-01 | Protective clothing hood support frame |
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| Country | Link |
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| CN (1) | CN111632293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082647A (en) * | 2021-05-18 | 2021-07-09 | 合肥恒诚智能技术有限公司 | A self-adaptation respirator for hypoxemia training |
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| US20070084463A1 (en) * | 2005-09-09 | 2007-04-19 | Niemann Bradley Q | Breathing Apparatus |
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| CN212395642U (en) * | 2020-06-01 | 2021-01-26 | 合肥高贝斯医疗卫生用品有限公司 | Protective clothing hood support frame |
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| US5492116A (en) * | 1992-12-17 | 1996-02-20 | Respironics Inc. | Respiratory mask with floating seal responsive to pressurized gas |
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| US20070084463A1 (en) * | 2005-09-09 | 2007-04-19 | Niemann Bradley Q | Breathing Apparatus |
| CN202127844U (en) * | 2011-03-15 | 2012-02-01 | 中国人民解放军军事医学科学院卫生装备研究所 | One-piece positive-pressure biological protective suit |
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| CN113082647A (en) * | 2021-05-18 | 2021-07-09 | 合肥恒诚智能技术有限公司 | A self-adaptation respirator for hypoxemia training |
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