CN214662637U

CN214662637U - Wear-resisting type three-layer fire hose

Info

Publication number: CN214662637U
Application number: CN202120500353.3U
Authority: CN
Inventors: 苏伟君
Original assignee: Fujian Heguang Fire Technology Co ltd
Current assignee: Fujian Heguang Fire Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-09
Anticipated expiration: 2031-03-09

Abstract

The utility model relates to a fire-fighting equipment technical field, concretely relates to wear-resisting type three-layer fire hose, its characterized in that structure includes: the fire hose comprises an outer layer, a woven layer, an inner liner and a protective cover wrapped on the outer layer, wherein the outer layer, the woven layer and the inner liner are sequentially distributed from outside to inside, the diameter of the protective cover is larger than that of the outer layer, the length of the protective cover is consistent with that of the outer layer, a hollow layer is arranged between the protective cover and the outer layer, a sucker is arranged in the hollow layer, the sucker structurally comprises a base and a sucker body, the base is in a cylindrical shape, the sucker body is in a circular structure with a concave middle part and a small lower part and a large upper part, and the protective cover is adsorbed on a fire hose through the sucker; foretell wear-resisting type three-layer fire hose, the friction between fire hose and the ground can be kept apart to the protection casing, prolongs the life of fire hose, and the protection casing passes through the sucking disc and adsorbs on fire hose, makes things convenient for the protection casing to change.

Description

Wear-resisting type three-layer fire hose

Technical Field

The utility model relates to a fire-fighting equipment technical field, specificly relate to a wear-resisting type three-layer fire hose.

Background

The fire hose is used for conveying flame-retardant liquid such as high pressure water or foam, the both ends of fire hose all have metal joint, can connect another hosepipe with the extension distance or connect the nozzle in order to increase the injection pressure of liquid, common fire hose is bilayer structure, the inlayer uses PVC, the extruded lining of material such as rubber or polyurethane, the outer weaving layer that uses materials such as polyester filament or flax filament, inlayer and skin are glued together through epoxy glue hot pressing, in the use, the skin and the ground friction of fire hose, easy damage, under the effect of hydraulic pressure, the inlayer bursts from damaged position easily, therefore the fire hose is very weak.

For solving this problem, the utility model patent that the publication number of authorizing is CN202028086U provides a wear-resisting fire hose of multilayer, including the fibre weaving layer, set up in the interior coating of fibre weaving layer internal surface and set up in the outer coating of fibre weaving layer surface, the surface of outer coating is equipped with the fine weaving layer of high strength aromatic silk, the thickness of interior coating and outer coating is 0.5 ~ 1mm, the utility model provides a fire hose, need change whole fire hose when fire hose is damaged, expense to fire hose causes certain economic burden, and two of fire hose is also very hard when connecting the hosepipe interface, and the fire hose of junction is damaged easily, can cause the junction infiltration like this.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a wear-resisting type three-layer fire hose to solve the problem that provides in the background art.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a wear-resisting type three-layer fire hose, include: skin, weaving layer and inner liner, its characterized in that still includes: the fire hose comprises a protective cover wrapped on an outer layer, wherein the outer layer, a woven layer and an inner liner are sequentially distributed from outside to inside, the protective cover is in a hollow cylinder shape, the diameter of the protective cover is larger than that of the outer layer, the length of the protective cover is consistent with that of the outer layer, a hollow layer is arranged between the protective cover and the outer layer, a sucker is arranged in the hollow layer, the sucker structurally comprises a base and a sucker body, the base is in a cylinder shape, the lower end face of the base is fixedly connected with the outer circumferential wall of the outer layer, the upper end face of the base is fixedly connected with the lower end face of the sucker body, the sucker body is in a circular structure with a concave middle part and a small lower part and a large upper part, and the protective cover is adsorbed on a fire hose through the sucker; foretell wear-resisting type three-layer fire hose, the friction between fire hose and the ground has been kept apart to the protection casing, can prolong the life of fire hose, and when the fire hose had the broken hole, the protection casing can prevent that the water in the fire hose from spouting in disorder everywhere, and the protection casing passes through the mode of sucking disc to be connected with the fire hose for can change when the protection casing breaks, has reduced the expense to the fire hose to a certain extent.

Furthermore, protective layers are arranged at two ends of the fire hose, the protective layers are positioned between the outer layer and the protective cover, the inner end face of each protective layer is fixedly connected with the outer circumferential wall of the outer layer in an adhesion mode, the length of each protective layer along the axial direction is 7-14 cm, and the thickness of each protective layer is 0.6-1 cm; when the fire hose needs to be connected with the hose connector, the protective layer just covers the hose connector together with the fire hose, so that the protective layer can play a role in protecting the fire hose and prevent the fire hose from being damaged and slipping.

Further, grooves are formed in the outer end face of the protective layer, the grooves are formed in the axial direction of the protective layer and are annular, the width of each groove is set to be 2-5 cm, and at least 2 grooves are formed in the number; when the fire hose and the hose connector are bound together, the fire hose and the hose connector are fastened by using the galvanized iron wire or the hose clamp, and the groove can provide a placing position for the galvanized iron wire or the hose clamp, so that the fastening is easier.

Furthermore, the suckers are uniformly and regularly distributed on the outer layer along the circumference and the axial direction of the outer layer, the number of the suckers is at least more than 10, the suckers are made of silica gel, and the base and the sucker body are of an integrated structure; silica gel is also named silicic acid gel, is a high-activity adsorption material, belongs to an amorphous substance, and has the characteristics of high adsorption performance, good thermal stability, stable chemical property, no toxicity and no odor.

Furthermore, an escape arrow is arranged on the protective cover and arranged on the outer circumferential surface of the protective cover; the arrangement of the escape arrow can enable people to quickly escape along the arrow on the fire hose in an unfamiliar environment.

Furthermore, the escape arrow is formed by coating a layer of paint and a layer of light-storing paint; the light-storing coating is also called as phosphorescent coating, and the coating which can emit fluorescence is coated in the dark, so that the light-storing coating not only can emit light when being irradiated by light, but also can store the light, and can still emit fluorescence when the illumination disappears, thereby facilitating people to find an escape exit along an arrow in the dark.

Furthermore, the protective cover is formed by knitting nylon wires in an intersecting manner, and no gap exists between every two nylon wires; the polyamide is commonly called nylon, and is called PA for short in English, is a thermoplastic resin assembly with a molecular main chain containing repeated amide groups, comprises aliphatic, aliphatic-aromatic and aromatic, and a protective cover woven by nylon wires has good wear resistance and good ultraviolet resistance.

Further, the outer layer is made of polyurethane resin; the polyurethane resin is a high molecular material and has the characteristics of high strength, tear resistance, wear resistance and the like.

Furthermore, the weaving layer is formed by weaving flame-retardant polyester filaments or flax filaments, and the weaving mode adopts a method of a third fabric; the third fabric is a weaving method formed by fabrics with crossing/winding relations, and the braided fabric woven by the method has the advantages of being compact and thick, not easy to tear, not easy to wrinkle and the like.

Further, the inner liner layer is formed by combining a thin-wall adhesive bonding layer and an Ethylene Propylene Diene Monomer (EPDM) waterproof layer, the thickness of the thin-wall adhesive bonding layer is smaller than that of the EPDM waterproof layer, and the thickness ratio is 1: 3-1: 6; ethylene propylene diene is a terpolymer of ethylene, propylene and non-conjugated diene, the main polymer chain of ethylene propylene diene is completely saturated, the ethylene propylene diene can resist heat, light, oxygen and ozone due to the characteristic, the ethylene propylene diene is nonpolar in nature, has resistance to polar solutions and chemicals, is low in water absorption rate, and has good insulating property.

According to the above description, the utility model provides a wear-resisting type three-layer fire hose has following beneficial effect: the friction that produces between the protection casing can keep apart the fire hose and follow the ground, consequently, prolong the life of fire hose, the protection casing uses the nylon material to have good wearability and ultraviolet resistance nature, and the protection casing passes through the sucking disc and adsorbs on the fire hose, make the protection casing can only change the protection casing when damaged, can reduce the expenditure on the fire hose expense to a certain extent, the design of protective layer can protect the fire hose and avoid damaged because of need tighten with the hosepipe kneck, also make things convenient for zinc-plated iron wire or hose hoop not indiscriminate slip when tightening, make things convenient for people to tighten, the material that each layer of three-layer fire hose used all can make the fire hose more durable, also can let the fire hose adapt to various environment and be difficult for the damage.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the internal structure of the present invention.

Fig. 3 is the enlarged schematic view of the cross section of the outer layer, the braided layer and the inner liner of the hose of the present invention.

Fig. 4 is an enlarged schematic cross-sectional view of the inner liner of the hose of the present invention.

Fig. 5 is an enlarged front view of the sucker of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model provides an abrasion-resistant three-layer fire hose: including outer 1, weaving layer 2 and inner liner 3, its characterized in that still includes: the fire hose comprises a protective cover 4 wrapped on an outer layer 1, wherein the outer layer 1, a woven layer 2 and an inner liner layer 3 are sequentially distributed from outside to inside, the protective cover 4 is in the shape of a hollow cylinder, the diameter of the protective cover 4 is larger than that of the outer layer 1, the length of the protective cover is consistent with that of the outer layer 1, a hollow layer 5 is arranged between the protective cover 4 and the outer layer 1, a sucker 6 is arranged in the hollow layer 5, the sucker 6 structurally comprises a base 61 and a sucker body 62, the base 61 is in a cylinder shape, the lower end face of the base 61 is fixedly connected with the outer circumferential wall of the outer layer 1, the upper end face of the base is fixedly connected with the lower end face of the sucker body 62, the sucker body 62 is in a circular structure with a concave middle part and a small upper part, and a large lower part, and the protective cover 4 is adsorbed on a fire hose through the sucker 6; foretell wear-resisting type three-layer fire hose, the friction between fire hose and the ground has been kept apart to protection casing 4, is favorable to prolonging the life of fire hose, and when the fire hose had the broken hole, protection casing 4 is favorable to preventing the water in the fire hose from spouting in disorder everywhere, and protection casing 4 is connected with the fire hose through the mode of sucking disc 6, can change when being favorable to protection casing 4 to break, has reduced the expense to the fire hose to a certain extent from.

Protective layers 7 are arranged at two ends of the fire hose, the protective layers 7 are located between the outer layer 1 and the protective cover 4, the inner end face of each protective layer 7 is fixedly connected with the outer circumferential wall of the outer layer 1 in an adhesion mode, the length of each protective layer 7 in the axial direction is 7-14 cm, and the thickness of each protective layer 7 is 0.6-1 cm; when the fire hose needs to be connected with the hose connector, the protective layer 7 is just sleeved on the hose connector together with the fire hose, so that the protective layer 7 can play a role in protecting the fire hose, and the fire hose is prevented from being damaged and slipping.

Grooves 71 are formed in the outer end face of the protective layer 7, the grooves 71 are formed in the axial direction of the protective layer 7 and are annular, the width of each groove 71 is set to be 2-5 cm, and at least 2 grooves 71 are formed; when the fire hose and the hose connector are bound together, the fire hose and the hose connector are fastened by using the galvanized iron wire or the hose clamp, and the groove 71 is favorable for providing a placing position for the galvanized iron wire or the hose clamp, so that the fastening is easier.

The sucking discs 6 are uniformly and regularly distributed on the outer layer 1 along the circumference and the axial direction of the outer layer 1, at least 10 sucking discs 6 are arranged, the sucking discs 6 are made of silica gel, and the base 61 and the sucking disc body 62 are of an integrated structure; silica gel is also named silicic acid gel, is a high-activity adsorption material, belongs to an amorphous substance, and has the characteristics of high adsorption performance, good thermal stability, stable chemical property, no toxicity and no odor.

The protective cover 4 is provided with an escape arrow 41, and the escape arrow 41 is arranged on the outer circumferential surface of the protective cover 4; the arrangement of the escape arrow 41 is beneficial to enable people to quickly escape along the arrow on the fire hose in an unfamiliar environment.

Wherein, the escape arrow 41 is made of a layer of light-storing paint; the light-storing coating is also called as phosphorescent coating, and the coating which can emit fluorescence when coated in the dark can emit light when irradiated by light, can store the light, can emit fluorescence when the illumination disappears, and is beneficial to people to find an escape exit along an arrow in the dark.

The protective cover 4 is formed by knitting nylon wires in an intersecting manner, and no gap exists between every two nylon wires; the polyamide is commonly called nylon, and is called PA for short in English, is a thermoplastic resin assembly with a molecular main chain containing repeated amide groups, comprises aliphatic, aliphatic-aromatic and aromatic, and the protective cover 4 woven by nylon wires has good wear resistance and good ultraviolet resistance.

Wherein the outer layer 1 is made of polyurethane resin; the polyurethane resin is a high molecular material and has the characteristics of high strength, tear resistance, wear resistance and the like.

The weaving layer 2 is formed by weaving flame-retardant polyester filaments or flax filaments, and the weaving mode adopts a method of a third fabric; the third fabric is a weaving method formed by fabrics with crossing/winding relations, and the braided fabric woven by the method has the advantages of being compact and thick, not easy to tear, not easy to wrinkle and the like.

The inner liner layer 3 is formed by combining a thin-wall adhesive bonding layer 31 and an ethylene propylene diene monomer EPDM waterproof layer 32, the thickness of the thin-wall adhesive bonding layer 31 is smaller than that of the ethylene propylene diene monomer EPDM waterproof layer 32, and the thickness ratio is 1: 3-1: 6; ethylene propylene diene is a terpolymer of ethylene, propylene and non-conjugated diene, the main polymer chain of ethylene propylene diene is completely saturated, the ethylene propylene diene can resist heat, light, oxygen and ozone due to the characteristic, the ethylene propylene diene is nonpolar in nature, has resistance to polar solutions and chemicals, is low in water absorption rate, and has good insulating property.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "back" and the like indicate orientations or positional relationships based on those 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 and operated in a specific orientation, and therefore are not to be construed as limiting the present invention, and what is not described in detail in the present specification is prior art known to those skilled in the art.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a wear-resisting type three-layer fire hose, its structure includes skin (1), weaving layer (2) and inner liner (3), and its characterized in that still includes: a protective cover (4) wrapped on the outer layer (1), wherein the outer layer (1), the knitting layer (2) and the inner liner layer (3) are distributed from outside to inside in sequence, the protective cover (4) is in the shape of a hollow cylinder, the diameter of the protective cover (4) is larger than that of the outer layer (1), the length of the protective cover is consistent with that of the outer layer (1), a hollow layer (5) is arranged between the protective cover (4) and the outer layer (1), a sucker (6) is arranged in the hollow layer (5), the structure of the sucker (6) comprises a base (61) and a sucker body (62), the base (61) is in a cylindrical shape, the lower end surface of the base (61) is fixedly connected with the outer circumferential wall of the outer layer (1), the upper end surface of the base is fixedly connected with the lower end surface of the sucker body (62), the sucker body (62) is circular, concave in the middle, small in the lower part and large in the upper part, and the protective cover (4) is adsorbed on the fire hose through the sucker (6).

2. A wear-resistant three-layer fire hose according to claim 1, wherein: protective layers (7) are arranged at two ends of the fire hose, the protective layers (7) are located between the outer layer (1) and the protective cover (4), the inner end face of each protective layer (7) is fixedly connected with the outer circumferential wall of the outer layer (1) in an adhesion mode, the length of each protective layer (7) in the axial direction is set to be 7-14 cm, and the thickness of each protective layer is set to be 0.6-1 cm.

3. A wear-resistant three-layer fire hose according to claim 2, wherein: be equipped with recess (71) on the outer terminal surface of protective layer (7), recess (71) are seted up along the axial direction of protective layer (7), are the annular shape, and the width of recess (71) is established to 2 ~ 5cm, the number of recess (71) sets up 2 at least.

4. A wear-resistant three-layer fire hose according to claim 1, wherein: sucking disc (6) are evenly just regularly distributed on skin (1) along circumference, the axial direction of skin (1), the quantity of sucking disc (6) sets up more than 10 at least, and sucking disc (6) adopt silica gel to make, base (61) and sucking disc body (62) formula structure as an organic whole.

5. A wear-resistant three-layer fire hose according to claim 1, wherein: the protective cover (4) is provided with an escape arrow (41), and the escape arrow (41) is arranged on the outer circumferential surface of the protective cover (4).

6. A wear-resistant three-layer fire hose according to claim 5, wherein: the escape arrow (41) is formed by coating a layer of light-storing coating.

7. A wear-resistant three-layer fire hose according to claim 1, wherein: the protective cover (4) is formed by weaving crossed nylon wires, and no gap exists between every two nylon wires.

8. A wear-resistant three-layer fire hose according to claim 1, wherein: the outer layer (1) is made of polyurethane resin.

9. A wear-resistant three-layer fire hose according to claim 1, wherein: the weaving layer (2) is formed by weaving flame-retardant polyester filament yarns or flax filament yarns.

10. A wear-resistant three-layer fire hose according to claim 1, wherein: the inner liner layer (3) is formed by combining a thin-wall adhesive bonding layer (31) and an Ethylene Propylene Diene Monomer (EPDM) waterproof layer (32), wherein the thickness of the thin-wall adhesive bonding layer (31) is smaller than that of the EPDM waterproof layer (32), and the thickness ratio is 1: 3-1: 6.