CN218923665U

CN218923665U - High-pressure-resistant lined fire hose of polyester filament polyurethane

Info

Publication number: CN218923665U
Application number: CN202223070423.XU
Authority: CN
Inventors: 朱亚丽; 马强; 朱宝茂
Original assignee: Yangzhou Baoan Fire Fighting Equipment Co ltd
Current assignee: Yangzhou Baoan Fire Fighting Equipment Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-28
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of fire-fighting water belts, in particular to a polyester filament polyurethane high-pressure-resistant lined fire-fighting water belt, which comprises a fire-fighting water belt body and a connector, wherein the connector is fixedly connected to the right side of the fire-fighting water belt body, a high-pressure-resistant device is arranged in the fire-fighting water belt body, and a tightening device is arranged on the outer wall of the right side of the fire-fighting water belt body. Can use polyester filament polyurethane material as fire control belting body, later in the inside processing inoxidizing coating and the inner liner of fire hose body, and the inner wall processing of inner liner has the guiding gutter, can lead rivers through the guiding gutter like this, and weaken the pressure that rivers produced to a certain extent, later the inner wall processing anticorrosive coating of inner liner, anticorrosion effect is better like this, thereby can improve the inside high pressure resistant and the stand wear and tear effect of fire hose body through inoxidizing coating, inner liner and anticorrosive coating etc. reduce its work burden, and then make the life of fire hose body longer.

Description

High-pressure-resistant lined fire hose of polyester filament polyurethane

Technical Field

The utility model relates to the technical field of fire hose, in particular to a polyester filament polyurethane high-pressure-resistant lined fire hose.

Background

The fire hose is a hose for conveying high-pressure water or foam and other flame-retardant liquid, both ends of the fire hose are provided with metal joints, another water hose can be connected to extend the distance or a nozzle can be connected to increase the liquid spraying pressure, and the advanced fire hose is made of polyester filament polyurethane and other polymeric materials.

A polyurethane fire hose of a double layer wear resistant construction, such as the grant publication number CN 217328871U, includes a fire hose body and an anti-slip limit mechanism. According to the utility model, the tightening ring can be limited by the anti-slip limiting mechanism, so that the tightening ring is effectively prevented from slipping off the fire hose body, so that the tightening ring can firmly screw the fire hose body and the connecting pipe head, the stability of the fire hose body and the connecting pipe head in connection is greatly improved, the firm connection between the fire hose body and the connecting pipe head is facilitated, and the fire hose is convenient to use in fire protection. But the fire hose that uses comprises fire hose body and wearing layer, and only set up two-layer structure, do not set up high pressure resistant and water conservancy diversion structure, when high pressure water flows in the fire hose body internal passage like this, can rub with fire hose body inner wall and exert an outside pressure to this inside wall all the time, thereby the fire hose body receives the load all the time in the use, the work burden is great, the wearing and tearing ageing easily, reduce its life, adopt in the aforesaid simultaneously to set up first ring body and second ring body at the both ends of fire hose body, and be connected first ring body and second ring body through screw and spacing screw, but when the installation, because the diameter of first ring body and second ring body is fixed unchangeable, just so can't exert corresponding fixed required pressure to the switch-on department of hosepipe body, thereby just also can't play the purpose that improves the stability when fire hose body and connecting pipe head.

Disclosure of Invention

The utility model aims to solve the problems that the existing fire hose is low in high-pressure resistance, large in work load and poor in stability when connecting pipe heads are connected, and provides a polyester filament polyurethane high-pressure-resistant lined fire hose.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a high pressure resistant lining fire hose of dacron filament polyurethane, includes fire hose body and joint, the right side rigid coupling of fire hose body has the joint, the internally mounted of fire hose body has high pressure resistant device, the right side outer wall of fire hose body is installed and is supported tight device.

Preferably, the high pressure resistant device comprises a protective layer, the outer wall of the protective layer is fixedly connected with the fire hose body, the inner wall of the protective layer is fixedly connected with an inner liner, and the inner wall of the inner liner is fixedly connected with an anti-corrosion layer.

Preferably, the inner wall of the lining layer is provided with a plurality of diversion trenches, and water flow can be guided through the diversion trenches, so that the pressure in the water is reduced.

Preferably, the abutting device comprises a disc, the inside of the disc is fixedly connected with the fire hose body, a plurality of first screws are mounted in the disc, the left outer wall of each first screw is in clearance fit with the inner wall of the through hole of the disc, a rectangular block is fixedly connected to the right side of each first screw, and a sleeve is fixedly connected to the inside of each rectangular block.

Preferably, the inside threaded connection of telescopic has the second screw rod, and the outside rigid coupling of second screw rod has the turning round, can drive the second screw rod through the turning round and rotate.

Preferably, the inner side of the second screw is fixedly connected with a clamping plate, and the inner wall of the clamping plate is attached to the outer wall of the fire hose body.

The high-pressure-resistant lined fire hose of polyester filament polyurethane provided by the utility model has the beneficial effects that: the polyester filament polyurethane material can be used as a fire hose body, then a protective layer and an inner liner layer are processed in the fire hose body, and a diversion trench is processed in the inner wall of the inner liner layer, so that water flow can be guided through the diversion trench, the pressure generated by the water flow is weakened to a certain extent, then an anti-corrosion layer is processed in the inner wall of the inner liner layer, the anti-corrosion effect is good, so that the high pressure resistance and the abrasion resistance in the fire hose body can be improved through the protective layer, the inner liner layer, the anti-corrosion layer and the like, the work load of the fire hose body is reduced, and the service life of the fire hose body is longer;

after the fire hose body is connected with an external connecting pipe head through the connector, the clamping plate can be held, the rotating head is rotated, the second screw rod is driven to rotate through the rotating head, the second screw rod drives the clamping plate to move towards the direction of the fire hose body through the sleeve, and the fire hose body can extrude the connecting pipe head of the internal connection through the two clamping plates, so that the stability of the connecting part is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a partial side view of FIG. 1;

FIG. 4 is a schematic view of the structure of the rectangular block, the second screw and the rotor of FIG. 2;

fig. 5 is a schematic view of the structure of the first screw, the disc and the first nut of fig. 2.

In the figure: 1. fire hose body, 2, joint, 3, high pressure resistant device, 301, inoxidizing coating, 302, inner liner, 303, anticorrosive coating, 4, support tight device, 401, disc, 402, first screw rod, 403, rectangular piece, 404, sleeve, 4A1, first nut, 4A2, second nut, 5, guiding gutter, 6, second screw rod, 7, splint, 8, turning round.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, in this embodiment, a fire hose with lining is high pressure resistant to polyester filament polyurethane, including fire hose body 1 and joint 2, fire hose body 1 adopts polyester filament polyurethane material to make, excellent in use effect, the right side rigid coupling of fire hose body 1 has joint 2, the internally mounted of fire hose body 1 has high pressure resistant device 3, can improve the inside high pressure resistant of fire hose body 1 and stand wear and tear effect through high pressure resistant device 3, reduce its work burden, and then make the life of fire hose body 1 longer, the right side outer wall of fire hose body 1 is installed and is supported tight device 4, can further improve the stability of junction through supporting tight device 4.

Referring to fig. 1-3, the high pressure resistant device 3 comprises a protective layer 301, an inner liner layer 302 and an anti-corrosion layer 303, wherein the outer wall of the protective layer 301 is fixedly connected with a fire hose body 1, the protective layer 301 is made of ceramic fiber cotton, the inner wall of the protective layer 301 is fixedly connected with the inner liner layer 302, which has the characteristics of light weight, high strength, oxidation resistance, low heat conductivity, good flexibility, wear resistance, sound insulation and the like, the inner liner layer 302 is made of rubber materials, the integral strength can be improved through the inner liner layer 302, the anti-corrosion layer 303 is fixedly connected with the inner wall of the inner liner layer 302, the anti-corrosion layer 303 is formed by fusion processing of polyvinyl chloride and epoxy resin, the anti-corrosion effect is good, a plurality of diversion trenches 5 are processed on the inner wall of the inner liner layer 302, water flow can be guided through the diversion trenches 5, and the pressure generated by the water flow is weakened to a certain extent;

can use polyester filament polyurethane material as fire control belting body 1, later in the inside processing inoxidizing coating 301 and inner liner 302 of fire control belting body 1 to the inner wall processing of inner liner 302 has guiding gutter 5, can lead rivers through guiding gutter 5 like this, and weakens the pressure that rivers produced to a certain extent, later in the inner wall processing anticorrosive coating 303 of inner liner 302, anticorrosion effect is better, like this alright high pressure resistant and the stand wear and tear effect that improves fire control belting body 1 inside, reduces its work burden, and then makes the life of fire control belting body 1 longer.

Referring to fig. 1, 2 and 5, the abutting device 4 comprises a disc 401, a first screw rod 402, a rectangular block 403 and a sleeve 404, wherein the inside of the disc 401 is fixedly connected with the

fire hose body

1, 2 through holes are machined in the

disc

401, 2 first screws 402 are installed in the disc 401, the outer wall of the left side of the first screw rod 402 is in clearance fit with the inner wall of the through hole of the disc 401, the rectangular block 403 is fixedly connected to the right side of the first screw rod 402, the sleeve 404 is fixedly connected to the inside of the rectangular block 403, a second screw rod 6 is in threaded connection with the inside of the sleeve 404, the second screw rod 6 can move through the sleeve 404, a rotating head 8 is fixedly connected to the outer side of the second screw rod 6, the second screw rod 6 can be driven to rotate through the rotating head 8, a clamping plate 7 is fixedly connected to the inner side of the second screw rod 6, and the inner wall of the clamping plate 7 is attached to the outer wall of the fire hose body 1;

after the fire hose body 1 is connected with an external connecting pipe through the joint 2, the clamping plate 7 can be held, the rotary head 8 is rotated, the second screw rod 6 is driven to rotate through the rotary head 8, the second screw rod 6 drives the clamping plate 7 to move towards the fire hose body 1 through the sleeve 404, and the fire hose body 1 can extrude the connecting pipe of the internal connection through the two clamping plates 7, so that the stability of the connection part is further improved.

In this embodiment, when an operator needs to use the high-pressure-resistant lined fire hose of polyester filament polyurethane, firstly, the operator can use the polyester filament polyurethane material as the fire hose body 1, then process the protective layer 301 and the lining layer 302 inside the fire hose body 1, the protective layer 301 is made of ceramic fiber cotton, the fire hose has the characteristics of light weight, high strength, oxidation resistance, low heat conductivity, good flexibility, wear resistance, sound insulation and the like, the lining layer 302 is made of rubber material, and the inner wall of the lining layer 302 is processed with the diversion groove 5, so that water flow can be guided through the diversion groove 5, the pressure generated by the water flow is weakened to a certain extent, then the inner wall of the lining layer 302 is processed with the anti-corrosion layer 303, the anti-corrosion effect is better, so that the high-pressure-resistant and wear-resistant effects inside the fire hose body 1 can be improved, the work load of the fire hose body 1 can be reduced, and the service life of the fire hose body 1 can be longer;

Example 2:

referring to fig. 1-5, in this embodiment, the present utility model provides a technical solution: the high-pressure-resistant lined fire hose of polyester filament polyurethane, the abutting device 4 can also comprise a first nut 4A1 and a second nut 4A2, the inner parts of the upper and lower first nuts 4A1 and the second nuts 4A2 are connected with the outer wall of the adjacent first screw 402 in a threaded manner, the first nuts 4A1 and the second nuts 4A2 can move at the first screw 402, and the outer walls of one ends of the first screw 4A1 and the second screw 4A2 are attached to the outer wall of the disc 401;

the second nut 4A2 may be first mounted on the first screw 402, then the first screw 402 is inserted into the through hole of the disc 401, the left side outer wall of the second nut 4A2 is attached to the outer wall of the disc 401, then the first nut 4A1 is mounted on the first screw 402, and the right side outer wall of the first nut 4A1 is attached to the outer wall of the disc 401, so that the first screw 402 may be fixed on the disc 401 through the first nut 4A1 and the second nut 4 A2.

In this embodiment, when an operator needs to use the high-pressure-resistant lined fire hose of polyester filament polyurethane, the second nut 4A2 may be first installed on the first screw 402, then the first screw 402 is inserted into the through hole of the disc 401, the left outer wall of the second nut 4A2 is attached to the outer wall of the disc 401, then the first nut 4A1 is installed on the first screw 402, and the right outer wall of the first nut 4A1 is attached to the outer wall of the disc 401, so that the first screw 402 may be fixed on the disc 401 through the first nut 4A1 and the second nut 4 A2.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. The utility model provides a high pressure resistant lined fire hose of dacron filament polyurethane, includes fire hose body (1) and connects (2), the right side rigid coupling of fire hose body (1) has connects (2), its characterized in that: the fire hose comprises a fire hose body (1), wherein a high-pressure resistant device (3) is arranged in the fire hose body (1), and a tightening device (4) is arranged on the outer wall of the right side of the fire hose body (1);

the high-pressure-resistant device (3) comprises a protective layer (301), wherein the outer wall of the protective layer (301) is fixedly connected with the fire hose body (1), the inner wall of the protective layer (301) is fixedly connected with an inner lining layer (302), and the inner wall of the inner lining layer (302) is fixedly connected with an anti-corrosion layer (303);

the tight device (4) supports includes disc (401), the inside of disc (401) is linked together with fire hose body (1), the internally mounted of disc (401) has a plurality of first screw rods (402), and the left side outer wall of first screw rod (402) and the through-hole department inner wall clearance fit of disc (401), the right side rigid coupling of first screw rod (402) has rectangle piece (403), and the inside rigid coupling of rectangle piece (403) has sleeve (404).

2. The polyester filament polyurethane high pressure resistant lined fire hose of claim 1, wherein: the inner wall of the lining layer (302) is provided with a plurality of diversion trenches (5).

3. The polyester filament polyurethane high pressure resistant lined fire hose of claim 1, wherein: the inside threaded connection of sleeve (404) has second screw rod (6), and the outside rigid coupling of second screw rod (6) has swivel (8).

4. A polyester filament polyurethane high pressure resistant lined fire hose as claimed in claim 3, wherein: the inner side of the second screw (6) is fixedly connected with a clamping plate (7), and the inner wall of the clamping plate (7) is attached to the outer wall of the fire hose body (1).