Novel-structure detachable filtering type smoke-proof flame-retardant headgear

Abstract

The utility model discloses a detachable filtering type smoke-proof flame-retardant headgear with a novel structure, which comprises a body and a lower lining, the body is connected with the lower lining, the body is provided with an eye window, the body is sequentially provided with a first layer of flame-retardant knitted fabric, a second layer of replaceable filtering component and a third layer of knitted fabric from outside to inside, and the first layer of flame-retardant knitted fabric, the second layer of replaceable filtering component and the third layer of knitted fabric are connected with each other. The second-layer replaceable filtering assembly is arranged between the first-layer flame-retardant knitted fabric and the third-layer knitted fabric in a replaceable and detachable manner. The detachable filtering type smoke-proof flame-retardant headgear with the novel structure has the beneficial effects that the detachable filtering type smoke-proof flame-retardant headgear with the novel structure is excellent in protection performance, maintenance and replacement convenience, application scene universality, comfort, durability and the like, and a more comprehensive, efficient and reliable protection solution is provided for firefighters and other personnel needing respiratory protection; the device can be widely applied to various respiratory protection places, including but not limited to urban and rural fire suppression, forest fire suppression and labor protection of dust and smoke places.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the emergency rescue protective equipment technical field especially, it relates to a new structure detachable filter type smoke prevention flame -retardant head cover. BACKGROUND

[0002] Filter type smoke prevention flame -retardant head cover meets the performance requirement of national standard 《GA869-2010 fire fighter's fire protection head cover 》, and the special protection device that the fire fighter wears when putting out a fire and rescuing is used to prevent the head, the side and the neck from being burned by flame or scalded by high temperature. It is especially designed for the fire fighter to deal with forest fires or enter smoky places, has the function of blocking fine particles, and also has the function of absorbing and filtering part of toxic smoke, has the function of ventilation and flame retardation, and can be expanded for other labor protection protection, such as the respiratory protection of workers in places with much dust and smoke.

[0003] The flame -retardant head cover of the prior art is generally sewn from single -layer or double -layer flame -retardant knitted materials, which protects the head, side and neck of the fire fighter by relying on the flame -retardant performance of the fabric to reduce the risk of burns and scalds. The existing flame -retardant knitted material cannot effectively block the penetration of fine particles in disaster sites. A large amount of fine particles, chemical dust and toxic gas are generated in fire sites and smoky places, and the existing ordinary flame -retardant head cover cannot effectively filter smoke particles and toxic gas, which seriously threatens the health and career of the fire fighter. In summary, the fire -retardant head cover in the prior art is not suitable for the fire fighter to wear for a long time or repeatedly use. Therefore, a corresponding technical scheme needs to be designed to solve the problem. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems existing in the prior art, the utility model provides a new structure detachable filter type smoke prevention flame -retardant head cover, which optimizes the structure design of the mask, increases the replaceable breathing protection assembly, achieves the purpose of filtering smoky carbon particles and toxic gas, and improves the protection function and application scene.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A new structure detachable filter type smoke prevention flame -retardant head cover, comprising: a body and a lower lining, the body and the lower lining are connected, the body is provided with an eye window, the body is sequentially provided with a first layer of flame -retardant knitted fabric, a second layer of replaceable filter assembly and a third layer of knitted fabric from outside to inside, and the second layer of replaceable filter assembly is replaceably and detachably arranged between the first layer of flame -retardant knitted fabric and the third layer of knitted fabric.

[0007] Further, the body comprises a first sleeve body and a second sleeve body, and the first sleeve body and the second sleeve body are seamlessly connected.

[0008] Further, the first set and the second set are integrally formed.

[0009] Further, the lower lining includes a first lining, a second lining, a third lining, and a fourth lining, and the first lining, the second lining, the third lining, and the fourth lining are sequentially connected seamlessly.

[0010] Further, the first lining, the second lining, and the third lining are arranged on one side of the eye window, and the fourth lining is arranged on the back side relative to the eye window.

[0011] Further, the first lining, the second lining, the third lining, and the fourth lining are integrally formed.

[0012] Further, the body and the lower lining are integrally formed.

[0013] Further, the second layer replaceable filter assembly is KN95 multi-layer activated carbon filter cotton.

[0014] Further, the KN95 multi-layer activated carbon filter cotton includes a KN95 filter material layer and an activated carbon filter material layer, and the KN95 filter material layer and the activated carbon filter material layer are connected in close contact.

[0015] The beneficial effects of the utility model are as follows:

[0016] Compared with the prior art, the new structure detachable filter type smoke-proof and flame-retardant head cover provided by the utility model has the following advantages:

[0017] (1) Enhanced protection performance: by introducing the second layer replaceable filter assembly, especially using the KN95 multi-layer activated carbon filter cotton, the head cover can not only effectively block harmful particulate matters such as carbon particles and dust in dense smoke, but also absorb and filter part of toxic gases such as sulfur dioxide and other corrosive gases, significantly improving the respiratory protection capability of the head cover. This is particularly important for firefighters in high-risk environments such as indoor fire and forest fire, which can fully protect the respiratory system of firefighters and reduce health risks.

[0018] (2) Flexible maintenance and replacement: the detachable design makes the second layer filter assembly easy to replace, which not only facilitates daily maintenance and repair, but also prolongs the service life of the entire head cover. Firefighters can replace the filter assembly regularly according to the actual use, ensuring that the head cover always maintains good protection effect and avoids protection failure due to saturated filter material.

[0019] (3) Wide application scenarios: This headgear is not only suitable for the protection of firefighters at fire scenes, but also for other occasions that require respiratory protection, such as labor protection in dust and smoke environments. Its excellent protective performance and convenient detachable design make the headgear meet the needs of different scenarios, with high practical value.

[0020] (4) Comfort and durability: The body adopts a multi-layer structure design, with a flame-retardant knitted fabric outer layer and a soft knitted fabric inner layer, ensuring both the flame-retardant performance of the headgear and the comfort of wearing. At the same time, the seamless integrated design enhances the durability and sealing of the headgear, reducing the possibility of damage or leakage during use.

[0021] In summary, the new structure detachable filtering type smoke-proof flame-retardant headgear of the present application has excellent performance in terms of protective performance, convenience of maintenance and replacement, wide application scenarios, comfort and durability, providing a more comprehensive, efficient and reliable protection solution for firefighters and other personnel who need respiratory protection. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0023] Figure 1 is a front structure schematic diagram of the new structure detachable filtering type smoke-proof flame-retardant headgear of the present application;

[0024] Figure 2 is a back structure schematic diagram of the new structure detachable filtering type smoke-proof flame-retardant headgear of the present application;

[0025] Figure 3 is a side structure schematic diagram of the new structure detachable filtering type smoke-proof flame-retardant headgear of the present application;

[0026] Figure 4 is a filtering component structure schematic diagram of the new structure detachable filtering type smoke-proof flame-retardant headgear of the present application;

[0027] In the drawings, reference numeral 1 is the body, 2 is the first layer of flame-retardant knitted fabric, 3 is the third layer of knitted fabric, 4 is the second layer of replaceable filtering component, 5 is the eye window, 6 is the lower liner, 11 is the first sleeve, 12 is the second sleeve, 61 is the first liner, 62 is the second liner, 63 is the third liner, and 64 is the fourth liner. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model. The utility model will be further described below in combination with the drawings and examples. Figures 1-4 The new structure detachable filtering type smoke-proof flame-retardant head cover is further described.

[0029] Example 1

[0030] A new structure detachable filtering type smoke-proof flame-retardant head cover, comprising a body 1 and a lower lining 6, the body 1 and the lower lining 6 are connected, the body 1 is provided with an eye window 5, the body 1 is sequentially provided with a first layer of flame-retardant knitted fabric 2, a second layer of replaceable filtering assembly 4 and a third layer of knitted fabric 3 from outside to inside, and the second layer of replaceable filtering assembly 4 is detachably arranged between the first layer of flame-retardant knitted fabric 2 and the third layer of knitted fabric 3.

[0031] The body 1 comprises a first sleeve body 11 and a second sleeve body 12, and the first sleeve body 11 is seamlessly connected with the second sleeve body 12. Preferably, the first sleeve body 11 and the second sleeve body 12 are integrally formed.

[0032] The lower lining 6 comprises a first lining body 61, a second lining body 62, a third lining body 63 and a fourth lining body 64, and the first lining body 61, the second lining body 62, the third lining body 63 and the fourth lining body 64 are sequentially connected and seamlessly connected. The first lining body 61, the second lining body 62 and the third lining body 63 are arranged on one side of the eye window 5, and the fourth lining body 64 is arranged on the back side relative to the eye window 5. Preferably, the first lining body 61, the second lining body 62, the third lining body 63 and the fourth lining body 64 are integrally formed. The body 1 and the lower lining 6 are integrally formed.

[0033] The second layer of replaceable filtering assembly 4 is KN95 multi-layer activated carbon filter cotton. The KN95 multi-layer activated carbon filter cotton comprises a KN95 filter material layer and an activated carbon filter material layer, and the KN95 filter material layer and the activated carbon filter material layer are connected in close contact.

[0034] The new structure detachable filtering type smoke-proof flame-retardant head cover realizes comprehensive protection of the head of a firefighter through its unique multi-layer structure design. The first layer of flame-retardant knitted fabric 2 is adopted on the outer layer of the head cover, which effectively blocks high-temperature flames and heat, protecting the firefighter from burns. The third layer of knitted fabric 3 is arranged on the inner layer, providing a comfortable and close-fitting wearing experience, and enhancing the durability of the head cover.

[0035] Most importantly, the headgear ingeniously adds a second layer of replaceable filter assembly 4 - KN95 multi-layer activated carbon filter cotton - between the flame-retardant knitted fabric 2 and the knitted fabric 3. This assembly is composed of a KN95 filter layer and an activated carbon filter layer, with the KN95 filter layer capable of efficiently filtering out particles in the air, such as carbon particles in smoke and dust, and the activated carbon filter layer having strong adsorption capacity to absorb and neutralize toxic gases, such as sulfur dioxide and other corrosive gases that may be produced at the scene of a fire.

[0036] Working process:

[0037] Wearing preparation: Before entering the fire scene, the firefighter first ensures the integrity of the headgear, especially checks whether the second layer of replaceable filter assembly 4 has been correctly installed and is in good condition. Then, the headgear body 1 (including the first sleeve 11 and the second sleeve 12) and the lower lining 6 (including the first lining 61, the second lining 62, the third lining 63, and the fourth lining 64) are integrally worn on the head, ensuring that the eye window 5 is in the correct position and the line of sight is not obstructed.

[0038] Protection start: When the firefighter enters the fire scene, the headgear begins to play its protective role. The first layer of flame-retardant knitted fabric 2 first blocks the direct invasion of high-temperature flames and heat.

[0039] Filtering and purification: Particles and toxic gases in the air are effectively filtered and adsorbed when passing through the KN95 filter layer and the activated carbon filter layer. The KN95 filter layer blocks most particles due to its high filtering performance, and the activated carbon filter layer neutralizes toxic gases using its adsorption capacity, ensuring that the air breathed by the firefighter is relatively clean.

[0040] Maintenance and replacement: As the use time extends, the filtering effect of the second layer of replaceable filter assembly 4 will gradually weaken. At this time, the firefighter can easily remove and replace the new filter assembly in a safe area to ensure that the headgear continues to provide effective protection.

[0041] Disassembly and storage: After completing the rescue task, the firefighter removes the headgear in a safe area and performs necessary cleaning and inspection. The headgear should be stored in a dry and ventilated place for next use.

[0042] The new structure of the detachable filter type smoke-proof flame-retardant headgear realizes comprehensive and efficient protection of the firefighter's head through its unique multi-layer structure design and the ingenious use of replaceable filter assembly, effectively improving the firefighter's survival ability and rescue efficiency in the fire scene.

[0043] Example 2

[0044] The utility model provides a new structure detachable filter type smokeproof flame -retardant head cover which improves the smokeproof performance of the existing flame -retardant head cover through improving the structure of the flame -retardant head cover and increasing the filter assembly, and ensures the breathing safety of the firemen when disposing the forest fire. The filter assembly is developed according to the ergonomics design, can adjust the face adhesion degree according to different face shapes, uses KN95 multilayer activated carbon filter cotton for the filter element, can effectively filter the inhaled smoke dust and particulate matters generated after the combustion of combustible materials, and keep the breathing unobstructed, simultaneously, the new structure detachable filter type smokeproof flame -retardant head cover face adopts the plug pocket closable design, ensures that the filter assembly can be replaced, also ensures that the same flame -retardant head cover can meet the urban fire fighting and the forest fire fighting simultaneously. Meet the demand of fire rescue personnel to head cover flame -retardant, flexible, breathable and light, satisfy actual use requirement.

[0045] The technical scheme adopted by the utility model is as follows:

[0046] A new structure detachable filter type smokeproof flame -retardant head cover, including: flame -retardant head cover body 1, the flame -retardant head cover body 1 is from outside to inside in turn: first layer flame -retardant protective knitwear 2, second layer replaceable filter assembly 4, as replaceable detachable intermediate layer is inserted between first layer flame -retardant protective knitwear 2 and third layer knitwear 3, the third layer is comfortable breathable knitwear.

[0047] The front oral-nasal mask part of the flame -retardant head cover body 1 is provided with an opening, the oral-nasal mask part is provided with the second layer replaceable filter assembly 4, the replaceable detachable second layer replaceable filter assembly 4 is strong in air permeability, and can block many suspended harmful particulate matters, the inner arc structure used in the assembly conforms to the ergonomics design, can be attached to the face of the user, provides more perfect breathing protection, and is convenient to replace, low in cost, and can be used in high-temperature and high-humidity environments.

[0048] Compared with the prior art, the utility model has the following implementation effects:

[0049] The utility model discloses a new structure detachable filter type smokeproof flame -retardant head cover can effectively block suspended toxic and harmful fine particulate matters in disaster accident sites, including but not limited to the dust, smoke particles, carbon particles, metal smoke and composite material solid particulate matters generated by burning wood, building materials and home decoration materials, and can filter a small part of toxic and harmful gases, for example, sulfur dioxide generated after combustion, meet the protection needs of fire rescue personnel in multiple scene fire fighting and rescue, and improve the protection level.

[0050] The replaceable filter assembly used by the utility model has the characteristics of light, breathable, face attachment, good filtering and adsorbing performance, and is low in cost and convenient to replace.

[0051] Example 3

[0052] As Figures 1 to 4 The utility model relates to a new structure detachable filter type smoke prevention flame -retardant head cover, including flame -retardant head cover body 1, first layer flame -retardant knitted fabric 2, third layer comfortable breathable knitted fabric 3, second layer replaceable filter assembly 4, the second layer replaceable filter assembly 4 is clamped between first layer flame -retardant knitted fabric 2 and third layer knitted fabric 3, can effectively block the dangerous toxic harmful fine particulate matter generated in disaster site without affecting the performance such as the comfortable breathable of knitted material and the overall thermal protection performance of head cover, including but not limited to the dust, smoke particle, carbon particle, metal smoke, composite material solid particulate matter generated by burning wood, building material, home decoration etc., and adsorbing part toxic harmful gas, such as sulfur dioxide, chlorine. The utility model discloses a new structure detachable filter type smoke prevention flame -retardant head cover can effectively block the toxic harmful fine particulate matter in disaster site, and meet the demand of firefighter to head cover flame -retardant, flexible, breathable and light.

[0053] More specifically, the replaceable filter assembly 4 is made of KN95 multi-layer activated carbon filter cotton, which is composed of KN95 filter layer and activated carbon filter layer. According to the ergonomic design, it is a concave-convex arc structure, which conforms to the wearing and comfortable wearing of human body, can be replaced flexibly, ensures the filtering effect, and meets the actual wearing demand.

[0054] The utility model relates to a new structure detachable filter type smoke prevention flame -retardant head cover, through optimizing the structure design of face guard, increase detachable replacement breathing protection assembly, reach the purpose of filtering carbon particles of thick smoke and toxic gas, improve its protection function and applicable scene.

[0055] The application scenarios are various. From the use scene, the flame -retardant head cover is widely used in various respiratory protection places, including but not limited to urban and rural fire fighting, forest fire fighting, dust, smoke dust type place labor protection. From the forest fire, Yunnan has been drought in recent years, and the forest fire situation is high-risk year after year. There are many forest fires every year, and a large amount of manpower and material resources are invested in each police case disposal, and the number of people is less than several hundred, and the number of people is more than one thousand. It is necessary to have more safe and low-cost respiratory protection equipment. From the city fire, the flame -retardant head cover can not only be used for firefighter protection, but also be used for ordinary people to escape and protect, and the audience is wide.

[0056] The filtering type smoke-proof and flame-retardant head cover has good protection effect. The filtering type smoke-proof and flame-retardant head cover can make up the defect that the conventional flame-retardant head cover cannot provide respiratory protection, and can provide comprehensive respiratory protection for the user, filter dust, smoke particles and carbon particles, and absorb part of toxic gas, so as to purify smoke. From the view of city fire, the combustible materials in the building are various, including many high polymer composite materials, the smoke composition is complex, and the combustion products can be roughly divided into two categories: one is particle material in the form of smoke, and the other is invisible gas, including carbon dioxide, sulfur dioxide and other toxic and corrosive gas, which seriously threatens the firefighters. The firefighters who attack the indoor fire wear air respirators and flame-retardant head covers, so as to achieve comprehensive protection. However, the firefighters who perform auxiliary tasks in the periphery only wear flame-retardant masks, and cannot achieve effective protection. The filtering type smoke-proof and flame-retardant head cover can effectively provide protection.

[0057] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, and make simple deduction and replacement without departing from the concept of the present application, which should be covered in the protection scope of the present application.

Claims

1. A new structure of detachable filter type smoke preventing and flame retarding head cover, characterized in that, The utility model relates to a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

2. A new construction detachable smokescreen retardant head cover of filter type as claimed in claim 1 wherein, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

3. A new construction detachable smokescreen retardant head cover of filter type as claimed in claim 2 wherein, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

4. The new construction of detachable filter type anti-smoke and flame-retardant head cover according to claim 1, characterized in that, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

5. The new construction of detachable filter type anti-smoke and flame-retardant head cover according to claim 4, characterized in that, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

6. The new construction of detachable filter type anti-smoke and flame-retardant head cover according to claim 4, characterized in that, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

7. The new construction of detachable filter type anti-smoke and flame-retardant head cover according to claim 1, characterized in that, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

8. The new construction of demountable filter-type smokes and flame resistant head top as claimed in any one of the claims 1 to 7 wherein, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including:

9. The new construction of detachable filter type anti-smoke and flame-retardant head cover according to claim 8, characterized in that, The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility model discloses a KN95 multi-layer activated carbon filter cotton mask, including: The utility

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