CN218267709U - Pressure-resistant and leakage-proof fire hose - Google Patents

Abstract

The utility model discloses a fire hose of resistance to compression leak protection, including inlayer pipe and outer pipe, equidistant a plurality of buffer that is provided with between inlayer pipe and the outer pipe, buffer is the honeycomb of elasticity material, the equidistant a plurality of removal auxiliary device that is provided with of outer pipe, remove and be provided with the universal wheel on the auxiliary device, when fire-retardant liquid such as water under high pressure or foam is carried in the inlayer pipe, the inlayer pipe pressurized expansion, the buffer of elasticity material receives the extrusion this moment, and the hole among its honeycomb can play fine resistance to compression cushioning effect, reduces the cracked possibility of inlayer pipe pressurized, reaches resistance to compression leak protection purpose, when fire hose part drags on the ground, the universal wheel of removing auxiliary device can contact with ground, help fire hose removes, can reduce the friction on the one hand on fire hose and ground, and the water hose plays the guard action, and on the other hand uses also more laborsavingly to the fire fighter.

Description

Pressure-resistant and leakage-proof fire hose

Technical Field

The utility model relates to a fire-fighting equipment technical field, concretely relates to fire hose of resistance to compression leak protection.

Background

The fire hose is a hose for conveying high-pressure water, foam and other flame-retardant liquids, the traditional fire hose takes rubber as a lining, the outer surface of the traditional fire hose is wrapped by linen, the advanced fire hose is made of polyurethane and other polymeric materials, metal connectors are arranged at two ends of the fire hose, and the metal connectors can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure.

In fire fighting equipment, fire hoses are commonly used, and the existing fire hoses have the following disadvantages: the existing fire hose has poor compression resistance, the fire hose is broken due to overlarge internal pressure when the fire hose is used, the fire hose is damaged, the service life of the fire hose is shortened, and meanwhile, the wear resistance of the fire hose is poor, so that the fire hose is abraded due to friction with the ground when the fire hose is used, and the service life of the fire hose is shortened.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a fire hose of resistance to compression leak protection.

The technical scheme of the utility model is specifically as follows:

the utility model provides a fire hose of leak protection of resistance to compression, includes inlayer pipe and outer pipe, equidistant a plurality of buffer that is provided with between inlayer pipe and the outer pipe, buffer is the honeycomb of elasticity material, equidistant a plurality of removal auxiliary device that is provided with of outer pipe, be provided with the universal wheel on the removal auxiliary device.

Preferably, the buffer device is a plurality of buffer blocks circumferentially arranged on the outer wall of the inner-layer pipe, one side of each buffer block is bonded with the outer wall of the inner-layer pipe, and the other side of each buffer block is bonded with the inner wall of the outer-layer pipe.

Preferably, the buffer device is specifically an annular block, an inner ring of the annular block is bonded with the outer wall of the inner-layer pipe, and an outer ring of the annular block is bonded with the inner wall of the outer-layer pipe.

Preferably, the moving auxiliary device is a wear-resistant ring, an inner ring of the wear-resistant ring is fixedly connected with an outer wall of the outer-layer pipe, a plurality of arc-shaped protrusions are circumferentially arranged on the outer ring, each arc-shaped protrusion is provided with a mounting groove, and the universal wheel is arranged in the mounting groove.

Preferably, the material of the wear-resisting ring is wear-resisting high temperature resistant rubber.

Preferably, the material of the inner layer pipe is polyurethane.

Preferably, the outer layer tube comprises a base fibre layer, the outer surface of which is provided with a reinforcing coating.

Preferably, the base fiber layer is woven from Nomex fibers and the reinforcing coating is in particular a silicone rubber coating.

The beneficial effects of the utility model are embodied in:

the utility model provides a be provided with the buffer of the honeycomb who is made by the elasticity material between the inlayer pipe of the leak-proof fire hose of resistance to compression and the outer pipe, when fire-retardant liquid such as water under high pressure or foam were carried in the inlayer pipe, inlayer pipe pressurized expansion, the buffer of elasticity material received the extrusion this moment, and the hole among its honeycomb can play fine resistance to compression cushioning effect, reduces the cracked possibility of inlayer pipe pressurized, reaches the leak-proof purpose of resistance to compression. The buffer effect can be more uniform by arranging the buffer devices at equal intervals. And simultaneously, because the utility model discloses an equidistant a plurality of removal auxiliary device that is provided with of outer layer outside of tubes, when the fire hose part drags on the ground, remove auxiliary device's universal wheel can with ground contact, help fire hose removes, can reduce the friction on fire hose and ground on the one hand, plays the guard action to fire hose, and on the other hand uses also more laborsaving to the fire fighter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a cross-sectional view of a pressure-resistant leakproof fire hose provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a pressure-resistant leakproof fire hose provided in an embodiment of the present invention;

in the attached figure, 1-inner layer tube, 21-basic fiber layer, 22-reinforcing coating, 3-buffer device, 41-wear-resistant ring, 42-arc bulge and 43-universal wheel.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The embodiment provides a fire hose of resistance to compression leak protection, as shown in fig. 1-2, including inlayer pipe 1 and outer pipe, equidistant a plurality of buffer 3 that is provided with between inlayer pipe 1 and the outer pipe, buffer 3 is the honeycomb of elasticity material, equidistant a plurality of removal auxiliary device that is provided with of outer pipe, removes and is provided with universal wheel 43 on the auxiliary device.

Because the buffer 3 of the honeycomb structure made of elastic materials is arranged between the inner-layer pipe 1 and the outer-layer pipe, when fire-retardant liquid such as high-pressure water or foam is conveyed in the inner-layer pipe 1, the inner-layer pipe 1 is expanded under pressure, the buffer 3 made of elastic materials is extruded at the moment, holes in the honeycomb structure can play a good role in resisting pressure and buffering, the possibility of the compression and breakage of the inner-layer pipe 1 is reduced, and the purposes of resisting pressure and preventing leakage are achieved. The cushioning effect can be made more uniform by arranging the cushioning devices 3 at equal intervals. Meanwhile, because the outer layer of this embodiment is provided with a plurality of and removes auxiliary device with equidistant outside of tubes, when the fire hose portion was dragged on the ground, remove auxiliary device's universal wheel 43 can with ground contact, help the fire hose to remove, can reduce the friction of fire hose and ground on the one hand, play the guard action to the fire hose, on the other hand also is more laborsaving to the fire fighter uses.

In some embodiments, the buffer device 3 may be a plurality of buffer blocks circumferentially disposed on the outer wall of the inner pipe 1, as shown in fig. 1 to 2, one side of each buffer block is bonded to the outer wall of the inner pipe 1, and the other side is bonded to the inner wall of the outer pipe; in other embodiments, the damping means 3 may be a ring-shaped block, the inner ring of which is bonded to the outer wall of the inner tube 1 and the outer ring is bonded to the inner wall of the outer tube. The material of the damper 3 may be high-temperature-resistant rubber.

In this embodiment, as shown in fig. 1 to 2, the movement assisting device is specifically a wear-resistant ring 41, an inner ring of the wear-resistant ring 41 is fixedly connected with an outer wall of the outer layer pipe, a plurality of arc-shaped protrusions 42 are circumferentially arranged on the outer ring, each arc-shaped protrusion 42 is provided with a mounting groove, and the universal wheel 43 is arranged in the mounting groove. At least three arc-shaped protrusions 42 are arranged, when the fire hose drags the ground, at least two universal wheels 43 contact with the ground and play a supporting role for the fire hose, and the wear-resistant ring 41 is preferably made of wear-resistant and high-temperature-resistant rubber.

In the present embodiment, the material of the inner layer tube 1 is preferably polyurethane, the outer layer tube includes a base fiber layer 21, and the outer surface of the base fiber layer 21 is provided with a reinforced coating 22, specifically, the base fiber layer 21 is preferably woven by Nomex fiber, and the reinforced coating 22 is preferably a silicon rubber coating.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.

Claims (8)

1. The utility model provides a fire hose of resistance to compression leak protection which characterized in that: including inlayer pipe and outer pipe, equidistant a plurality of buffer that is provided with between inlayer pipe and the outer pipe, buffer is the honeycomb of elasticity material, equidistant a plurality of removal auxiliary device that is provided with of outer pipe, be provided with the universal wheel on the removal auxiliary device.

2. The pressure resistant leak resistant fire hose of claim 1, wherein: the buffer device is characterized in that the buffer blocks are circumferentially arranged on the outer wall of the inner-layer pipe, one side of each buffer block is bonded with the outer wall of the inner-layer pipe, and the other side of each buffer block is bonded with the inner wall of the outer-layer pipe.

3. The pressure resistant leak resistant fire hose of claim 2, wherein: the buffer device is specifically an annular block, the inner ring of the annular block is bonded with the outer wall of the inner-layer pipe, and the outer ring is bonded with the inner wall of the outer-layer pipe.

4. The pressure resistant leak proof fire hose according to claim 1, wherein: the movable auxiliary device is specifically a wear-resistant ring, an inner ring of the wear-resistant ring is fixedly connected with an outer wall of the outer-layer pipe, a plurality of arc-shaped protrusions are arranged on the outer ring in the circumferential direction, mounting grooves are formed in the arc-shaped protrusions, and the universal wheel is arranged in the mounting grooves.

5. The pressure resistant leak resistant fire hose of claim 4, wherein: the wear-resistant ring is made of wear-resistant and high-temperature-resistant rubber.

6. The pressure resistant leak resistant fire hose of claim 4, wherein: the inner layer pipe is made of polyurethane.

7. The pressure resistant leak resistant fire hose of claim 4, wherein: the outer layer pipe comprises a basic fiber layer, and a reinforcing coating is arranged on the outer surface of the basic fiber layer.

8. The pressure resistant leak resistant fire hose of claim 7, wherein: the basic fiber layer is woven by Nomex fibers, and the reinforced coating is specifically a silicon rubber coating.

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