WO2021217691A1

WO2021217691A1 - Positive-pressure respiratory droplet-free protective clothing

Info

Publication number: WO2021217691A1
Application number: PCT/CN2020/088917
Authority: WO
Inventors: 廖雄铭
Original assignee: Liao Xiongming
Priority date: 2020-04-27
Filing date: 2020-05-07
Publication date: 2021-11-04
Also published as: CN210929780U

Abstract

A positive-pressure respiratory droplet-free protective clothing, comprising a large-volume protective clothing body (100) sleeved on the upper body and the head of a human body, and further comprising a filter head (200) and an air supply device (300). The filter head (200) is connected to the air supply device (300), and the air supply device (300) is communicated with the large-volume protective clothing body (100) by means of a pipeline (400); the lower end of the large-volume protective clothing body (100) is provided with a first through hole (110) and two second through holes (120); the two second through holes (120) are respectively formed on two sides of the first through hole (110); the first through hole (110) allows for passthrough of the upper body of the human body, and the second through holes (120) allow for passthrough of the human hands; the large-volume protective clothing body (100) is further provided with two reverse gloves (130) facing towards the large-volume protective clothing body (100), and the reverse gloves (130) are respectively formed in front of the upper body of the human body. After a user wears the positive-pressure respiratory droplet-free protective clothing, the user can take food and drink water and the like in a clean air environment; moreover, the large-volume protective clothing body (100) has a large enough space to provide the user with adequate oxygen for breathing and air-exchange, and heat dissipation and better use experience is realized.

Description

Positive pressure droplet protective clothing

Technical field

The invention relates to the technical field of sanitary and anti-epidemic protective articles, and more specifically to a positive pressure droplet protective clothing.

Background technique

Due to environmental influences, the air contains many bacteria, viruses, dust and other substances that affect human health, and it is easy to spread bacteria and viruses between people through droplets. As people become more aware of their own protection, various protective covers, protective clothing and other products have appeared in the prior art, but the protective products of the prior art have both air permeability and practicality. Disadvantages. For example, protective clothing with good airtightness has small internal space, insufficient ventilation leads to hypoxia and difficult heat dissipation, and once the protective clothing is worn, there are problems such as inability to eat or drink, which is very inconvenient to use.

Summary of the invention

technical problem

The solution to the problem

Technical solutions

In order to solve the deficiencies of the prior art, the present invention provides a positive pressure droplet protective clothing. The positive pressure droplet protective clothing is equipped with a large-volume protective clothing body and used with reverse gloves to make the protective clothing changeable. The wind effect is better, and the problem of eating and drinking in the protective clothing is solved, the use is more convenient, and the diverse needs of consumers are met.

The technical effect to be achieved by the present invention is achieved by the following scheme: a positive pressure droplet protective clothing, including a large-volume protective clothing body sleeved on the upper body and head of the human body, and also including a filter head and a blower, the filter head Connected to the air blower, the air blower communicates with the large-volume protective body through a pipeline; the lower end of the large-volume protective clothing body is provided with a first through hole and two second through holes. Two through holes are respectively formed on both sides of the first through hole, the first through hole is for the upper body of the human body to pass through, and the second through hole is for the human hand to pass through; on the large-volume protective clothing body Two reverse gloves facing the body of the large-volume protective clothing body are also provided, and the reverse gloves are correspondingly formed on the front of the upper body of the human body.

Preferably, the large-volume protective clothing body is further provided with elastic buckles at the positions of the first through holes and the second through holes, and the elastic buckles are used for opening and closing the first through holes and the second through holes.

Preferably, there are two elastic buckles of the first through hole, which are respectively formed on the side of the human body, and the elastic buckle of the second through hole is one, which is correspondingly formed on the inner side of the human arm.

Preferably, the elastic buckle is an elastic band type elastic buckle, or an adhesive or buckle type elastic buckle.

Preferably, the material of the large-volume protective clothing body is a transparent plastic material.

Preferably, the filter head includes 5 layers or more of polypropylene melt-blown non-woven fabric; it also includes a bulb-shaped mesh support frame, and the polypropylene melt-blown non-woven fabric is pocket-shaped and is sheathed on the mesh support. Shelf.

Preferably, the pipeline is a hose, and the position where the pipeline is connected to the body of the large-volume protective clothing is the neck of the back side of the human body.

Preferably, the air blower is connected and fixed to the human body through a connecting strap or a connecting buckle.

The beneficial effects of the invention

Beneficial effect

The positive pressure droplet protective clothing of the present invention is provided with a large-volume protective clothing body and two reverse gloves are arranged on the large-volume protective clothing body, so that the user can work in a clean air environment after wearing the positive pressure droplet protective clothing. Food, drinking, and other operations are performed under the environment, and the space in the large-volume protective clothing body is large enough to allow people to have enough oxygen for breathing, ventilation, and heat dissipation, and the use experience is better.

Brief description of the drawings

Description of the drawings

Fig. 1 is a schematic diagram of the plane structure of a positive pressure droplet protective clothing used in conjunction with the human body in the present invention.

Fig. 2 is a schematic diagram of the side structure of a positive pressure droplet protective suit of the present invention that fits the human body practically.

Invention embodiment

Embodiments of the present invention

The present invention will be described in detail below with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first", "second", and "third" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more than two, unless otherwise specifically defined.

In the present invention, unless otherwise clearly defined and defined, the terms "installed", "connected", "connected", "fixed", "set" and other terms should be understood in a broad sense. For example, it can be a fixed connection or a fixed connection. It can be detachably connected or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, and it can also be the internal communication of two components or the interaction relationship between two components . For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood according to specific situations.

As shown in FIG. 1 and FIG. 2, an embodiment of the present invention provides a positive pressure droplet protective clothing, so that after a person wears the positive pressure droplet protective clothing, the external respiratory organs of the human body can be in a droplet-free space environment . The positive pressure droplet protective clothing includes a large-volume protective clothing body 100 sheathed on the upper body and head of the human body, and also includes a filter head 200 and a blower 300, the filter head 200 is connected to the blower 300, the The blower 300 communicates with the large-volume protective body through a pipeline 400. The blower 300 is used to deliver air into the large-volume protective body. The filter head 200 is used to filter external air through the filter head 200. Then, it is conveyed into the large-volume protective clothing body 100 through the blower 300, so that the person wearing the positive pressure droplet protective clothing can breathe clean, bacteria-free air in the positive pressure droplet protective clothing.

The positive pressure droplet protective clothing of the present invention, through the filter head 200, the blower 300, and the large-volume protective clothing body 100 close to the human body, forms a droplet-free protective clothing in the positive pressure droplet protective clothing. A positive pressure environment slightly higher than the outside atmospheric pressure can effectively avoid the risk of people inhaling droplets that may carry viruses when eating in airtight environments such as airplanes and high-speed trains.

The lower end of the large-volume protective clothing body 100 is provided with a first through hole 110 and two second through holes 120. The two second through holes 120 are respectively formed on both sides of the first through hole 110. The first through hole 110 is used for the upper body of the human body to pass through, and the second through hole 120 is used for the human hand to pass through. When the user uses the positive pressure droplet protective clothing, he first opens the first through hole 110 and puts his head and two hands into the first through hole 110, and then puts both hands through the second through hole 120. Just out.

In the present invention, the large-volume protective clothing body 100 is further provided with two reverse gloves 130 facing into the large-volume protective clothing body 100. The reverse gloves 130 are correspondingly formed in front of the upper body of the human body. The reverse gloves 130 When the user wearing the positive pressure droplet protective clothing needs to eat or drink, the user first puts food or objects into the first through hole 110, and then puts his hand into the reverse glove 130 Performing the corresponding operations greatly facilitates the users of the positive pressure droplet protective clothing. The users can eat, drink and drink in a clean space without taking off the protective clothing, which effectively protects the safety of the users. And it meets the dietary needs of users.

In the present invention, the reverse gloves 130 are preferably formed integrally with the large-volume protective clothing body 100. After forming an opening on the large-volume protective clothing body 100, the reverse gloves 130 extend toward the large-volume protective clothing body 100 to approach the human body. The position of the nose and mouth is so that the user can put his hand into the reverse glove 130 to perform the corresponding operation.

As a further improvement of the present invention, the large-volume protective clothing body 100 is further provided with elastic fasteners 140 at the positions of the first through holes 110 and the second through holes 120, and the elastic fasteners 140 are used for the first through

holes

110 and 120. The opening and closing of the second through hole 120, when the user wears or takes off the positive pressure droplet protective clothing, the elastic buckle 140 is opened, so that the first through hole 110 and the second through hole 120 are opened; After putting on the positive pressure droplet protective clothing, close the elastic buckle 140 to make the first through hole 110 and the second through hole 120 fit the human body, ensuring that the large-volume protective clothing body 100 is in the normal position when the blower 300 blows the air. It bulges and expands under pressure. More preferably, there are two elastic buckles 140 of the first through hole 110, which are respectively formed on the side of the human body, and the elastic buckle 140 of the second through hole 120 is one, which corresponds to the one formed on the human arm. Inside position.

The elastic buckle 140 may be an elastic band type elastic buckle 140, or an adhesive or buckle type elastic buckle 140. The elastic buckle 140 used in the large-volume protective clothing body 100 of the present invention is preferably an adhesive type elastic buckle 140. The buckle 140, similar to the buckle on an umbrella, is easier to use.

The arrangement of the elastic buckle 140 effectively avoids the risk of air leakage, and has a better protective effect than conventional masks and protective clothing on the market.

In the present invention, the material of the large-volume protective clothing body 100 is a transparent plastic material, which may be a soft plastic or a rigid plastic, depending on the comfort of the human body and different needs. For example, when the hood part is made of transparent hard plastic, it can also be used for professional protective clothing used by medical staff.

Since the air pressure difference provided by the fan is far greater than the resistance formed by the multi-layer polypropylene melt-blown non-woven fabric, the filter head 200 may include 5 or more layers of polypropylene melt-blown non-woven fabric 210 for filtering air. It can improve the removal effect of droplets, bacteria, viruses, and dust without affecting the use effect. The protective effect is much better than that of KN95. The more layers of the polypropylene meltblown non-woven fabric 210, the better the filtering effect, and it can be used multiple times. The material of the polypropylene meltblown non-woven fabric 210 is an electret-treated polypropylene material. After the production is completed, it needs to be sterilized by ethylene oxide and allowed to stand still to volatilize toxicity, and then be sealed, packaged, and boxed. The filter head 200 also includes a non-woven fabric arranged on the outer layer of the polypropylene melt-blown non-woven fabric 210, and the non-woven fabric can be used to isolate liquids after being subjected to a waterproof treatment.

The filter head 200 is detachably connected to the blower 300, so that the filter head 200 can be replaced after being contaminated or repeatedly used. The large-volume protective clothing body 100, the pipeline 400, and the blower 300 in the present invention can all be reused, and need not be replaced if they are not damaged.

In the present invention, the filter head 200 further includes a bulb-shaped mesh support frame 220, and the polypropylene meltblown non-woven fabric 210 is pocket-shaped and is sleeved on the mesh support frame 220, and then the polypropylene meltblown The rope or belt on the non-woven fabric 210 and the blower 300 can be inserted into the connection.

As a further improvement of the present invention, the pipeline 400 is a hose, and the position where the pipeline 400 is connected to the large-volume protective clothing body 100 is preferably at the neck of the back of the human body, which is convenient for use and more convenient for direct fresh air. Inhaled by the nose.

In the present invention, the power supply of the air blower 300 can be a self-contained rechargeable battery or a disposable battery, and the air blower 300 can be connected and fixed to the human body through a connecting belt or a connecting buckle to improve the positive pressure droplet protection. The stability of the service.

The positive pressure droplet protective clothing of the present invention is provided with a large-volume protective clothing body 100, and two reverse gloves 130 are arranged on the large-volume protective clothing body 100, so that the user can clean after wearing the positive pressure droplet protective clothing. Eating, drinking, and other operations are performed in an air environment, and the space in the large-volume protective clothing body 100 is large enough to allow people to have enough oxygen to breathe, ventilate, and dissipate heat, and the use experience is better.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention and not to limit them. Although the embodiments of the present invention are described in detail with reference to the preferred embodiments, those of ordinary skill in the art should It is understood that modifications or equivalent replacements can still be made to the technical solutions of the embodiments of the present invention, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

A positive pressure droplet protective clothing, which is characterized in that it comprises a large-volume protective clothing body sheathed on the upper body and head of the human body, and further comprises a filter head and a blower, the filter head is connected with the blower, and The blower communicates with the large-volume protective body through a pipeline; the lower end of the large-volume protective clothing body is provided with a first through hole and two second through holes, and the two second through holes are respectively formed in the first through hole. On both sides of the through hole, the first through hole is used for the upper body of the human body to pass through, and the second through hole is used for the human hand to pass through; the large-volume protective clothing body is also provided with two large-volume A reverse glove in the body of the protective suit, and the reverse glove is correspondingly formed in front of the upper body of the human body.
The positive pressure droplet protective clothing according to claim 1, wherein the large-volume protective clothing body is further provided with elastic buckles at the position of the first through hole and the second through hole, and the elastic buckle Used for opening and closing the first through hole and the second through hole.
The positive pressure droplet protective clothing according to claim 2, wherein the elastic buckle of the first through hole is two, which are respectively formed on the side of the human body, and the second through hole There is one elastic buckle, correspondingly formed on the inner side of the human arm.
The positive pressure droplet protective clothing according to claim 2 or 3, wherein the elastic buckle is an elastic belt-type elastic buckle, or an adhesive or buckle-type elastic buckle.
The positive pressure droplet protective clothing according to claim 1, wherein the material of the large-volume protective clothing body is a transparent plastic material.
The positive pressure droplet protective clothing according to claim 1, wherein the filter head includes 5 layers or more of polypropylene meltblown non-woven fabric; and also includes a bulb-shaped mesh support frame. The polypropylene meltblown non-woven fabric is in the shape of a pocket and is sheathed on a net-shaped support frame.
The positive pressure droplet protective clothing according to claim 1, wherein the pipeline is a hose, and the position where the pipeline is connected to the body of the large-volume protective clothing is the neck of the back side of the human body.
The positive pressure droplet protective clothing according to claim 1, wherein the air blower is connected and fixed to the human body through a connecting belt or a connecting buckle.