Firefighter fire extinguishing protective boots

Abstract

The boot comprises a boot upper and a boot sole, protective layers are arranged on the boot upper corresponding to the tibia, the ankle bone, the metatarsal bone and the heel part of the human body, and the protective layers are made of rubber materials. Functionality and comfort of the fire extinguishing protective boots are optimized through ergonomics, protective properties such as smashing prevention and puncture prevention of the fire extinguishing protective boots are enhanced, meanwhile, the purpose of weight reduction can be achieved, portability and comfort of the boots are improved, important skeleton parts of a human body can be mainly protected, high-strength protection, portability and comfort are integrated, and the fire extinguishing protective boots are worthy of popularization and application. And good anti-skid and wear-resistant properties are achieved. Compared with the existing fire-extinguishing protective boots, the fire-extinguishing protective boots for the firefighters have the advantage that the weight can be reduced by more than 20%.

Description

TECHNICAL FIELD

[0001] The utility model relates to a protective boot, in particular to a firefighter fire extinguishing protective boot. BACKGROUND

[0002] The fire extinguishing protective boot is an excellent protective ability to high temperature, heat flow and flame, has excellent protective ability to general chemicals, including fuel, oil, solvent and weak acid resistance, high pressure resistance, anti-smashing, anti-puncture, anti-static, wear-resistant sole, upper cutting resistance and the like. The existing fire extinguishing protective boots generally focus on the functional requirements, thus leading to the slightly heavy protective boots, poor portability and comfort, and it is difficult to achieve the purpose of protection and weight reduction. And because the fire environment is more complex, the functional requirements of the firefighter fire extinguishing protective boots are higher.

[0003] Therefore, it is necessary to further optimize the functionality and comfort of the fire extinguishing protective boots, and obtain the fire extinguishing protective boots with higher portability, slip resistance and comfort. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims at providing a firefighter fire extinguishing protective boot, further optimizing the functionality and comfort of the fire extinguishing protective boots, and specifically higher portability and better slip resistance.

[0005] The firefighter fire extinguishing protective boot of the utility model, including the upper and the sole, the upper is provided with a protective layer corresponding to the tibia, ankle bone and metatarsal bone and the heel of the human body, the protective layer is a rubber material;

[0006] Further, the upper includes a flame-retardant upper, a thermal insulation layer and a thermal comfort layer from outside to inside, the flame-retardant upper, the thermal insulation layer and the thermal comfort layer are integrated, and the protective layer is at least one rubber sheet arranged on the upper surface;

[0007] Further, at least two rubber sheets are arranged corresponding to the tibia and the heel of the human body;

[0008] Further, a dorsal protective layer is arranged on the upper surface corresponding to the dorsal of the human body, and the dorsal protective layer is a corrugated rubber large pack head;

[0009] Further, it further includes an anti-smashing toe cap arranged at the toe of the boot, the anti-smashing toe cap is arranged between the thermal insulation layer and the thermal comfort layer, and the anti-smashing toe cap is a light new type aluminum alloy material;

[0010] Further, the sole includes a thermal comfort layer, an insulation layer, a puncture-resistant layer and a large sole from inside to outside, the puncture-resistant layer is integrated, the puncture-resistant layer is an ultrahigh molecular weight polyethylene fiber material, and the large sole is a high-temperature-resistant, flame-retardant, acid-and-alkali-resistant, wear-resistant and slip-resistant rubber;

[0011] Further, the heat insulation comfort layer comprises a polyimide single-sided velvet surface layer and a neoprene foamed sponge inner layer, and the polyimide single-sided velvet surface layer and the neoprene foamed sponge inner layer are combined into an integrated inner lining.

[0012] Further, a protective cuff adapted to the human leg is connected to the cuff opening of the upper along the circumference, and a flame-retardant tightening belt is arranged on the protective cuff to tighten the protective cuff to the human leg, and the cuff opening is a bevel structure with the front cuff higher than the rear cuff.

[0013] Further, the outer surface of the sole is provided with engaging anti-slip lines and wear-resistant glass fiber patches, the engaging anti-slip lines are square grid open structures, and the wear-resistant glass fiber patches are arranged on the instep part and the heel part of the sole.

[0014] The fireman fire extinguishing protective boots have the advantages that the functionality and comfort of the fireman fire extinguishing protective boots are optimized through ergonomics, the protective boots have the purposes of weight reduction, lightness, comfort, and important bone protection, and have the advantages of high protection, lightness, comfort, good skid resistance and wear resistance. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings and examples:

[0016] Figure 1 It is a partial sectional view of the fireman fire extinguishing protective boots. DETAILED DESCRIPTION

[0017] The fireman fire extinguishing protective boots have the advantages that the functionality and comfort of the fireman fire extinguishing protective boots are optimized through ergonomics, the protective boots have the purposes of weight reduction, lightness, comfort, and important bone protection, and have the advantages of high protection, lightness, comfort, good skid resistance and wear resistance.

[0018] In the embodiment, the upper 1 comprises, from the outside to the inside, a flame-retardant upper, a thermal insulation layer 14 and a thermal comfort layer 5, which are integrated, and the protective layer is at least one rubber sheet arranged on the upper; the flame-retardant upper is made of existing flame-retardant rubber material, the radiation heat flux of the upper is (10±1) kW / m2, and the inner surface temperature rises by ≤6.0℃ (better than the national standard ≤22℃) after 1 min of irradiation.

[0019] In the embodiment, at least two rubber sheets are arranged corresponding to the tibia 3 and the heel 6 of the human body; preferably, the two rubber sheets are sewn together to enhance the protection. The thermal insulation layer is made of existing thermal insulation material of the upper 1, such as traditional cotton or non-woven fabric mixed with aerogel hollow polyester composite fibers and polylactic acid composite fibers.

[0020] In the embodiment, the upper corresponding to the instep of the human body is provided with an instep protection layer 12, which is a rubber big pack head sheet with ridges; the rubber big pack head sheet with ridges refers to a structure with ridges on the rubber pack head sheet, and the instep protection layer 12 is used for key protection of the instep, and the instep protection layer 12 adopts a rubber protruding structure, which can not only achieve the purpose of weight reduction, but also has good protection effect.

[0021] In the embodiment, it also includes a kick-proof pack head 13 arranged at the toe of the boot, the kick-proof pack head 13 is arranged between the thermal insulation layer 14 and the thermal comfort layer 5, the metatarsal protection rubber sheet is arranged on the upper of the kick-proof pack head 13, and the kick-proof pack head 13 is made of light new aluminum alloy material; the metatarsal protection rubber sheet can buffer and absorb the hard impact of the kick-proof pack head 13. The aviation aluminum light pack head is used, and after the toe of the boot is subjected to 10.78kN static pressure test and impact test of a 23kG impact hammer with a drop height of 300mm, the gap height is ≥18mm (better than the national standard ≥15mm).

[0022] In the embodiment, the sole 2 comprises, from the inside to the outside, the thermal comfort layer 5, the insulation layer 7, the puncture-proof layer 8 and the big sole 9, which are integrated, the puncture-proof layer 8 is made of ultra-high molecular weight polyethylene fiber material, and the big sole 9 is high-temperature-resistant, flame-retardant, acid- and alkali-resistant, wear-resistant and slip-resistant rubber; the puncture-proof layer 8 is made of light ultra-high molecular weight polyethylene fiber midsole, and the anti-puncture force is ≥1800N (better than the national standard ≥1100N) in the test. The upper and the sole 2 of the whole boot are made of natural rubber, which has good flame-retardant performance, and the flame-retardant performance can reach FV-0 level (better than the national standard FV-1 level); and has oil and acid and alkali resistance. An insulation layer is arranged on the puncture-proof layer 8, the breakdown voltage is ≥5000V, and the leakage current is <0.2mA (better than the national standard <3mA).

[0023] In the embodiment, the heat insulation comfort layer 5 comprises a polyimide single-sided velvet surface layer and a neoprene foamed sponge inner layer, and the polyimide single-sided velvet surface layer and the neoprene foamed sponge inner layer are combined into an integrated inner lining; the boot lining adopts the polyimide single-sided velvet composite CR foamed material, has the functions of sterilization, heat insulation, warmth retention and cold resistance, has good skin friendliness, and is comfortable to wear; in the test, when heated for 30 min, the temperature rise of the inner surface of the boot is ≤10.0℃ (better than the national standard ≤22℃).

[0024] In the embodiment, a protective cuff 10 adapted to the human leg is connected to the circumference of the shaft opening of the upper 1, a flame-retardant tightening belt 11 is arranged on the protective cuff 10, the flame-retardant tightening belt 11 tightens the protective cuff 10 and the human leg, and the shaft opening is a bevel structure with the front cuff being higher than the rear cuff.

[0025] In the embodiment, the outer surface of the boot sole 9 is provided with engaging anti-slip lines and wear-resistant glass fiber patches, the engaging anti-slip lines are square grid openwork structures, and the wear-resistant glass fiber patches are arranged at the instep part and the heel part 6 of the boot sole 9; the new anti-slip lines and the glass fiber patches increase the friction coefficient of the sole 2, increase the grip, and improve the anti-slip performance; the square grid openwork shoe sole design absorbs the ground impact force and reduces the weight of the whole boot.

[0026] Finally, it should be explained that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and all should be covered in the claim range of the utility model.

Claims

1. A firefighter's protective boot, characterized in that: The boot includes an upper and a sole. The upper has a protective layer made of rubber, corresponding to the tibia, ankle, metatarsal bones, and heel. The upper consists of a flame-retardant upper, an insulation layer, and a heat-insulating comfort layer, which are integrated into one unit. The protective layer is at least one layer of rubber sheet applied to the upper.

2. The firefighter protective boots according to claim 1, characterized in that: At least two layers of rubber sheets are installed corresponding to the human tibia and heel.

3. The firefighter protective boots according to claim 2, characterized in that: A protective layer for the instep is provided on the upper surface corresponding to the instep of the human foot. The protective layer for the instep is a large rubber sheet with ridges.

4. The firefighter protective boots according to claim 3, characterized in that: It also includes a shockproof toe cap located at the toe of the boot, which is positioned between the insulation layer and the thermal comfort layer, and the shockproof toe cap is made of a lightweight new type of aluminum alloy material.

5. The firefighter protective boots according to claim 4, characterized in that: The boot sole comprises, from the inside out, a heat-insulating comfort layer, an insulating layer, a puncture-resistant layer, and a boot outsole. The puncture-resistant layer is integrally formed and is made of ultra-high molecular weight polyethylene fiber material. The boot outsole is made of high-temperature resistant, flame-retardant, acid and alkali resistant, wear-resistant, and slip-resistant rubber.

6. The firefighter protective boots according to claim 5, characterized in that: The thermal insulation comfort layer comprises a polyimide single-sided fleece surface layer and a neoprene rubber foam sponge inner layer, which are combined into an integral lining.

7. The firefighter protective boots according to claim 6, characterized in that: A protective opening adapted to the human leg is connected circumferentially along the boot opening of the boot shaft. A flame-retardant tightening band is provided on the protective opening, which tightens the protective opening to the human leg. The boot opening has a slanted structure with the front section higher than the back section.

8. The firefighter protective boots according to claim 7, characterized in that: The outer surface of the boot outsole is provided with interlocking anti-slip patterns and wear-resistant fiberglass patches. The interlocking anti-slip patterns are a square hollow structure, and the wear-resistant fiberglass patches are provided on the forefoot and heel parts of the boot outsole.

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