CN214331767U - Wear-resistant high-pressure-resistant fire hose - Google Patents

Abstract

The utility model relates to a fire hose technical field specifically discloses a wear-resisting high pressure resistant fire hose, including weaving layer, buffer layer, wearing layer, water barrier, enhancement layer and high temperature resistant layer, the weaving layer is woven by the nylon yarn and is formed, the buffer layer sets up in the weaving layer inboard, and the wearing layer sets up in the weaving layer outside; the reinforced layer is positioned at the inner side of the buffer layer, the waterproof layer is arranged between the reinforced layer and the buffer layer, and the high-temperature resistant layer is arranged at the outer side of the wear-resistant layer; a plurality of elastic belts are arranged in the buffer layer, and gaps are reserved among the elastic belts; the wear-resistant layer of the fire hose provided by the utility model can increase the wear-resistant strength of the whole structure and prolong the service life of the hose; the buffer layer is arranged on the inner side, so that the pressure of a water belt can be relieved when the water pressure of the internal water supply is too high; the water barrier layer arranged between the reinforcing layer and the buffer layer avoids water permeation and water leakage, and simultaneously avoids the structure from being corroded to influence the service life.

Description

Wear-resistant high-pressure-resistant fire hose

Technical Field

The utility model relates to a fire hose technical field specifically is a wear-resisting high pressure resistant fire hose.

Background

The fire hose is a main and common fire-fighting equipment, is necessary for fire-fighting vehicles, public places, factories, schools, warehouses, high-rise buildings and the like, and is used for conveying high-pressure water, foam and other fire-retardant liquids to achieve the purpose of fire fighting and extinguishing.

The existing fire hose is formed by weaving or knitting polyester yarns into a cylinder in a common way, then dipping rubber in the inner layer and vulcanizing, so that the fire hose is low in strength, easy to age after being used for a period of time and short in service life

The currently used fire hose is generally made of polyester yarns, woven or knitted into a cylinder in a common mode, the inner layer of the fire hose is soaked in rubber and then vulcanized, the fire hose is low in strength and easy to age after being used for a period of time, the water hose is easy to wear, break and even leak due to the fact that the water hose is rubbed with the ground in the dragging process of the water hose, the wear resistance is not enough, and the service life of the water hose is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting high pressure resistant fire hose to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant high-pressure-resistant fire hose comprises a woven layer, a buffer layer, a wear-resistant layer, a waterproof layer, a reinforcing layer and a high-temperature-resistant layer, wherein the woven layer is woven by nylon yarns, the buffer layer is arranged on the inner side of the woven layer, and the wear-resistant layer is arranged on the outer side of the woven layer; the reinforced layer is positioned at the inner side of the buffer layer, the waterproof layer is arranged between the buffer layer and the reinforced layer, and the high-temperature resistant layer is arranged at the outer side of the wear-resistant layer; a plurality of elastic belts are arranged in the buffer layer, and gaps are reserved among the elastic belts.

Preferably, the nylon yarns are woven in a criss-cross mode, and three nylon yarns are used as one group to be woven; the nylon yarn is woven by 3-5 sub-yarns in a staggered winding mode.

Preferably, the elastic band cross-section is circular, and the elastic band evenly sets up in the buffer layer, and the direction that sets up of elastic band is the same with the length direction of weaving layer, and the size of gap between the elastic band is 1 with the ratio of elastic band diameter: 0.8 to 1.2.

Preferably, the wear-resistant layer is made of a polyurethane material, the high-temperature-resistant layer is made of a glass fiber material, and a hydrogenated nitrile-butadiene rubber coating is arranged on the outer side of the high-temperature-resistant layer.

Preferably, the water-resisting layer is made of a polyethylene material, and the reinforcing layer is made of an elastic rubber material.

Compared with the prior art, the beneficial effects of the utility model are that: the wear-resistant layer of the fire hose provided by the utility model can increase the wear-resistant strength of the whole structure and prolong the service life of the hose; the buffer layer is arranged on the inner side, so that the pressure of a water belt can be relieved when the water pressure of the internal water supply is too high; the water barrier layer arranged between the reinforcing layer and the buffer layer avoids water permeation and water leakage, and simultaneously avoids the structure from being corroded to influence the service life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the structure of the woven layer of the present invention;

reference numbers in the figures: 1. weaving layer; 2. a buffer layer; 3. a wear layer; 4. a water barrier layer; 5. a reinforcing layer; 6. a high temperature resistant layer; 7. nylon wire; 8. an elastic band.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a wear-resistant high-pressure-resistant fire hose comprises a woven layer 1, a buffer layer 2, a wear-resistant layer 3, a waterproof layer 4, a reinforcing layer 5 and a high-temperature-resistant layer 6, wherein the woven layer 1 is woven by nylon yarns 7, the buffer layer 2 is arranged on the inner side of the woven layer 1, and the wear-resistant layer 3 is arranged on the outer side of the woven layer 1; the reinforcing layer 5 is positioned on the inner side of the buffer layer 2, the waterproof layer 4 is arranged between the buffer layer 2 and the reinforcing layer 5, and the high-temperature resistant layer 6 is arranged on the outer side of the wear-resistant layer 3; the buffer layer 2 is provided with a plurality of elastic bands 8, and gaps are reserved among the elastic bands 8.

Further, the nylon yarns 7 are woven in a criss-cross mode, and three nylon yarns 7 are used as one group to be woven; the nylon yarn 7 is woven by 3-5 divided yarns in a mutually staggered winding manner.

Further, 8 cross-sections of elastic band are circular, and elastic band 8 evenly sets up in buffer layer 2, and elastic band 8 set up the direction the same with the length direction of weaving layer 1, and the size of gap is 1 with the ratio of elastic band 8 diameter between the elastic band 8: 0.8 to 1.2.

Further, the wear-resistant layer 3 is made of a polyurethane material, the high-temperature-resistant layer 6 is made of a glass fiber material, and a hydrogenated nitrile-butadiene rubber coating is arranged on the outer side of the high-temperature-resistant layer 6.

Further, the waterproof layer 4 is made of a polyethylene material, and the reinforcing layer 5 is made of an elastic rubber material.

The working principle is as follows: the strength of the whole fire hose is guaranteed through the woven layer 1 inside the fire hose, and the fire hose is made of nylon materials, so that the nylon materials are light, the whole fire hose is light, wear-resistant and high-pressure-resistant, and the whole fire hose is excellent in performance; three nylon yarns 7 are taken as a set of, and vertically and horizontally staggered weaves, and nylon yarn 7 is woven by the winding of thinner minute silk and is formed simultaneously, and the weaving layer 1 intensity is further strengthened after weaving, guarantees life.

When the water pressure is too high, the buffer layer 2 formed by the elastic band 8 can be pressed to be flattened and fill gaps among the elastic bands 8, so that the internal space of the water band is increased, the pressure intensity is reduced, the water pressure is reduced, and the purpose of high pressure resistance is achieved; the reinforcing layer 5 arranged on the inner side is made of elastic rubber, can deform according to conditions and adapts to water pressure; the water barrier layer 4 that the polyethylene material was made, water barrier layer 4 can the water proof, avoids water to the outside infiltration, guarantees to supply water on the one hand, and on the other hand avoids leaking the material that the infiltration corrodes the outside.

The wear-resistant layer 3 made of the polyurethane material has high wear resistance and can protect an inner side structure when being dragged on the ground; meanwhile, the high-temperature resistant layer 6 arranged on the outermost side is made of glass fiber materials, can resist high temperature and prevent fire, and is suitable for fire scene; the hydrogenated nitrile rubber coating on the outer side of the high-temperature resistant layer 6 also has certain wear resistance, and protects the inner side structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a wear-resisting high pressure resistant fire hose which characterized in that: the waterproof and heat-insulating woven fabric comprises a woven layer (1), a buffer layer (2), an abrasion-resistant layer (3), a waterproof layer (4), a reinforcing layer (5) and a high-temperature-resistant layer (6), wherein the woven layer (1) is formed by weaving nylon yarns (7), the buffer layer (2) is arranged on the inner side of the woven layer (1), and the abrasion-resistant layer (3) is arranged on the outer side of the woven layer (1); the reinforcing layer (5) is positioned on the inner side of the buffer layer (2), the waterproof layer (4) is arranged between the buffer layer (2) and the reinforcing layer (5), and the high-temperature-resistant layer (6) is arranged on the outer side of the wear-resistant layer (3); a plurality of elastic belts (8) are arranged in the buffer layer (2), and gaps are reserved among the elastic belts (8).

2. A wear-resistant high-pressure-resistant fire hose according to claim 1, characterized in that: the nylon wires (7) are woven in a criss-cross mode, and three nylon wires (7) are used as one group to be woven; the nylon yarn (7) is woven by 3-5 divided yarns in a mutually staggered winding manner.

3. A wear-resistant high-pressure-resistant fire hose according to claim 1, characterized in that: elastic webbing (8) cross-section is circular, and elastic webbing (8) evenly set up in buffer layer (2), and the direction that sets up of elastic webbing (8) is the same with the length direction of weaving layer (1), and the size in gap between elastic webbing (8) and elastic webbing (8) diameter ratio are 1: 0.8 to 1.2.

4. A wear-resistant high-pressure-resistant fire hose according to claim 1, characterized in that: the wear-resistant layer (3) is made of a polyurethane material, the high-temperature-resistant layer (6) is made of a glass fiber material, and a hydrogenated nitrile-butadiene rubber coating is arranged on the outer side of the high-temperature-resistant layer (6).

5. A wear-resistant high-pressure-resistant fire hose according to claim 1, characterized in that: the waterproof layer (4) is made of polyethylene materials, and the reinforcing layer (5) is made of elastic rubber materials.

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