CN111589038A - Diameter-variable water spraying hose for fire fighting - Google Patents
Diameter-variable water spraying hose for fire fighting Download PDFInfo
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- CN111589038A CN111589038A CN202010514251.7A CN202010514251A CN111589038A CN 111589038 A CN111589038 A CN 111589038A CN 202010514251 A CN202010514251 A CN 202010514251A CN 111589038 A CN111589038 A CN 111589038A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/06—Hose or pipe bridges
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a variable-diameter fire-fighting water spraying hose which comprises a hose, a water inlet connecting part and a spray head connecting part, wherein the water inlet connecting part and the spray head connecting part are connected to two ends of the hose, the water inlet connecting part is hexagonal vertical cloth with a threaded connecting part at the head part and a bundle ring, the hexagonal vertical cloth is in threaded connection with one end of the hose by the bundle ring, the spray head connecting part comprises an adapter, the adapter is connected with a fixed disc, first internal threads are arranged on the inner side of the other end of the adapter, the hose comprises an inner pipe formed by a woven net and corrugated pipes sleeved outside the inner pipe, the diameters of the woven net are different, the corrugated pipes are respectively distributed in a large-diameter mode and a small-diameter mode from left to right, and the corrugated pipes comprise large-diameter wave pipes arranged outside the. The invention is convenient to install.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a diameter-variable fire fighting hose.
Background
With the development of socio-economy, the living standard of people is increasingly improved, and a plurality of large commercial buildings are continuously built all over the country. The new-built commercial buildings are developing towards large-scale, middle-court, air-conditioning and multi-functional, and integrating entertainment, appreciation, finance and diet living. The combination of large commercial building functions, large scale and personnel concentration bring new problems to the fire fighting work. The importance of fire protection must be taken into account.
The building fire-fighting equipment is a general name of equipment and facilities arranged in a building and used for preventing and extinguishing a building fire. The fire hazard automatic alarm system, the automatic water spraying fire extinguishing system, the fire hydrant system, the gas fire extinguishing system, the foam fire extinguishing system, the dry powder fire extinguishing system, the smoke prevention and exhaust system, the safety evacuation system and the like are commonly used. The fire-fighting safety protection device is an important facility for ensuring the fire-fighting safety and the personnel evacuation safety of a building, and is an important component of a modern building. Plays an important role in protecting buildings, and effectively protects the life safety of citizens and the safety of national property.
The fire-fighting spraying system is a fire-fighting device, is a fixed fire-fighting facility which is widely applied at present, and has the advantages of low price, high fire-fighting efficiency and the like. The device can be divided into two forms of manual control and automatic control according to different functions. The system is provided with the alarm device, can automatically send out an alarm when a fire disaster happens, and the automatic control type fire-fighting spraying system can also automatically spray water and synchronously link with other fire-fighting facilities to work, so that the initial fire disaster can be effectively controlled and extinguished.
At present, most of spray pipelines at the top of commercial buildings adopt a hose form, and the existing hoses have the following problems: 1. the structure is complex to install, and the hose cannot be reduced, so that the use effect is poor; 2. the hose has poor anticorrosion effect; 3. the overall heat resistance is not good, so that improvement is required.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide the diameter-variable fire-fighting hose which is simple in structure, convenient to install, good in heat-resisting effect and corrosion-resisting effect.
In order to achieve the purpose, the variable-diameter fire-fighting water spraying hose comprises a hose, a water inlet connecting portion and a spray head connecting portion, wherein the water inlet connecting portion and the spray head connecting portion are connected to two ends of the hose, the water inlet connecting portion is composed of hexagonal vertical cloth with a threaded connecting portion at the head portion and a bundle ring, the hexagonal vertical cloth is in threaded connection with one end of the hose through the bundle ring, the spray head connecting portion comprises an adapter, the adapter is connected with a fixed disc, a first internal thread is arranged on the inner side of the other end of the adapter, the hose comprises an inner pipe formed by a woven net and a corrugated pipe sleeved outside the inner pipe, the diameters of the woven net are different, the corrugated pipe is distributed with a large caliber and a small caliber from left to right, and the corrugated pipe comprises a large-wave pipe arranged outside the large-caliber woven.
In order to improve the connection strength, a connection sheath is sleeved between two adjacent small wave tubes and a large wave tube.
For the convenience of installation, the fixed disk outside be equipped with trapezoidal connecting portion, connecting portion card in the adapter outside and with adapter interference fit.
In order to start the avoidance function, two sides of the end part of the adapter are provided with arc-shaped missing rings.
In order to improve the heat insulation effect, a heat insulation layer is arranged outside the corrugated pipe.
In order to improve the corrosion-resistant and flame-retardant effects, a flame-retardant anticorrosive layer is arranged on the inner side of the corrugated pipe.
The invention also discloses a diameter-variable fire-fighting hose, which comprises a hose, a water inlet connecting part and a spray head connecting part, wherein the water inlet connecting part and the spray head connecting part are connected to two ends of the hose, the water inlet connecting part is hexagonal vertical cloth with a threaded connecting part at the head part and a bundle ring, the hexagonal vertical cloth is in threaded connection with one end of the hose by the bundle ring, the spray head connecting part comprises an adapter, the adapter is connected with a fixed disc, a first internal thread is arranged on the inner side of the other end of the adapter, the hose comprises an inner pipe formed by a woven net and a corrugated pipe sleeved outside the inner pipe, the diameters of the woven net are different, the corrugated pipe is respectively distributed in a large caliber and a small caliber from left to right, the corrugated pipe comprises a large-wave pipe arranged outside the large caliber woven net and a small-wave pipe arranged outside the small caliber: 55-60 parts of recycled plastic, 45-55 parts of recycled plastic, 7-8 parts of filler, 7-8 parts of anti-aging agent, 7-12 parts of flame retardant, 2-3 parts of graphite, 1-2 parts of adhesive, 6-7 parts of peroxide master batch, 2-3 parts of toughening agent, 1-2 parts of mica powder and 3-5 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
In order to improve the anticorrosion effect, a layer of preservative is coated on the surface of the adapter.
In order to improve the wear resistance, a wear-resistant layer consisting of a high-temperature wear-resistant material, hot melt adhesive and a toughening agent is arranged in the corrugated pipe.
In order to improve the flame retardance, the surface of the adapter is coated with a layer of flame retardant.
The diameter-variable fire-fighting hose obtained by the invention has the advantages of structural installation corrosion resistance, diameter-variable effect, good flame retardance, heat resistance, electric insulation performance and good firmness, and can still keep good flexibility at low temperature.
Drawings
FIG. 1 is a schematic view showing the construction of a variable diameter fire hose according to example 1;
FIG. 2 is a perspective view showing the structure of an inner pipe in example 1;
FIG. 3 is a schematic view showing the structure of a variable diameter fire hose according to example 2;
FIG. 4 is a schematic cross-sectional view of a bellows in example 3;
FIG. 5 is a schematic cross-sectional view of a bellows in example 4.
In the reference symbols: the novel corrugated pipe comprises a hexagonal vertical cloth 1, a binding ring 2, an adapter 3, a fixed disk 5, an inner pipe 6, a first internal thread 7, a corrugated pipe 8, a large corrugated pipe 9, a small corrugated pipe 10, a connecting sheath 11, a connecting part 12, an arc-shaped missing ring 13, a heat-insulating layer 14 and a flame-retardant anticorrosive layer 15.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1:
as shown in fig. 1, fig. 2, but this embodiment provides a but reducing's watering hose for fire control, including hose and the water inlet connecting portion and the shower nozzle connecting portion of connection at the hose both ends, water inlet connecting portion are cloth 1 and bundle ring 2 are found for the hexagonal of head threaded connection portion, bundle ring 2 is found cloth 1 threaded connection in the one end of hose with the hexagonal, shower nozzle connecting portion include adapter 3, adapter 3 is connected with fixed disk 5, is equipped with first internal thread 7 in adapter 3 other end inboard, the hose includes inner tube 6 and the cover bellows 8 outside inner tube 6 that the mesh grid constitutes, just the diameter of mesh grid different, from left to right distribute with heavy-calibre and small-calibre respectively, just bellows 8 is including locating the outer big bellows 9 of heavy-calibre mesh grid and locating the outer wavelet 10 of small-calibre mesh grid.
For the convenience of installation, the outer side of the fixed disk 5 is provided with a trapezoidal connecting part 12, and the connecting part 12 is clamped outside the adapter 3 and is in interference fit with the adapter 3.
In order to start the avoidance function, arc-shaped missing rings 13 are arranged on two sides of the end part of the adapter 3.
The invention also discloses a diameter-variable fire-fighting hose, which comprises a hose, a water inlet connecting part and a nozzle connecting part which are connected at two ends of the hose, the water inlet connecting part is composed of a hexagonal vertical cloth 1 with a threaded connecting part at the head part and a binding ring 2, the hexagonal vertical cloth 1 is connected with one end of the hose through the binding ring 2 in a threaded manner, the spray head connecting part comprises an adapter 3, the adapter 3 is connected with a fixed disc 5, a first internal thread 5 is arranged on the inner side of the other end of the adapter 3, the hose comprises an inner pipe 6 formed by a mesh grid and a corrugated pipe 8 sleeved outside the inner pipe 6, the diameters of the woven nets are different and are respectively distributed with a large caliber and a small caliber from left to right, the corrugated pipe 8 comprises a large corrugated pipe 9 arranged outside the large-caliber woven mesh and a small corrugated pipe 10 arranged outside the small-caliber woven mesh, and the corrugated pipe 8 is composed of the following raw materials in parts: 55-60 parts of recycled plastic, 45-55 parts of recycled plastic, 7-8 parts of filler, 7-8 parts of anti-aging agent, 7-12 parts of flame retardant, 2-3 parts of graphite, 1-2 parts of adhesive, 6-7 parts of peroxide master batch, 2-3 parts of toughening agent, 1-2 parts of mica powder and 3-5 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
In this embodiment, the corrugated pipe 8 is composed of the following raw materials in parts by weight: 57 parts of recycled plastic, 52 parts of recycled plastic, 8 parts of filler, 7 parts of anti-aging agent, 9 parts of flame retardant, 2 parts of graphite, 1 part of adhesive, 6.5 parts of peroxide master batch, 2.5 parts of toughening agent, 1.2 parts of mica powder and 4 parts of preservative. The invention adopts the recycled reclaimed materials as main raw materials, saves energy, ensures that the prepared corrugated pipe has flame-retardant, heat-insulating and corrosion-resistant effects by adding the flame retardant and the preservative, can effectively increase the toughness of the corrugated pipe by adding the adhesive and the toughening agent, prolongs the service life of the corrugated pipe, and is finally verified as follows: the usable temperature range is-20 ℃ to 100 ℃, and the flame-retardant heat-resistant electric insulation material has good flame retardance, heat resistance and electric insulation performance, good fastness and can still maintain good flexibility at low temperature.
Therefore, the structural design has the advantages of structural installation corrosion resistance, diameter-changing effect realization, good flame retardance, heat resistance, electric insulation performance and fastness, and can still keep good flexibility at low temperature.
Example 2:
as shown in fig. 3, in the diameter-variable fire hose according to this embodiment, in order to improve the connection strength, the connection sheath 11 is sleeved between two adjacent small wave tubes 10 and the large wave tube 9, and the protection effect is improved by providing the connection sheath 11.
Example 3:
as shown in fig. 4, in the diameter-variable hose for fire fighting provided in this embodiment, in order to improve the heat insulation effect, a heat insulation layer 14 is provided outside the corrugated pipe 8, and the heat insulation effect is improved by providing the heat insulation layer 14, thereby preventing the inside from being damaged.
Example 4:
as shown in fig. 5, in the diameter-variable fire hose provided in this embodiment, in order to improve corrosion resistance and flame retardant effect, a flame retardant anticorrosive layer 15 is provided on the inner side of the corrugated pipe 8, and the flame retardant anticorrosive effect is improved by providing the flame retardant anticorrosive layer 15.
Example 5:
the embodiment discloses a diameter-variable fire-fighting hose, which comprises a hose, a water inlet connecting part and a nozzle connecting part, wherein the water inlet connecting part and the nozzle connecting part are connected at two ends of the hose, the water inlet connecting part is composed of a hexagonal vertical cloth 1 with a threaded connecting part at the head part and a binding ring 2, the hexagonal vertical cloth 1 is connected with one end of the hose through the binding ring 2 in a threaded manner, the spray head connecting part comprises an adapter 3, the adapter 3 is connected with a fixed disc 5, a first internal thread 5 is arranged on the inner side of the other end of the adapter 3, the hose comprises an inner pipe 6 formed by a mesh grid and a corrugated pipe 8 sleeved outside the inner pipe 6, the diameters of the woven nets are different and are respectively distributed with a large caliber and a small caliber from left to right, the corrugated pipe 8 comprises a large corrugated pipe 9 arranged outside the large-caliber woven mesh and a small corrugated pipe 10 arranged outside the small-caliber woven mesh, and the corrugated pipe 8 is composed of the following raw materials in parts: 58 parts of recycled plastic, 53 parts of recycled plastic, 7 parts of filler, 7 parts of anti-aging agent, 10 parts of flame retardant, 2.3 parts of graphite, 1 part of adhesive, 6 parts of peroxide master batch, 2 parts of toughening agent, 1 part of mica powder and 3 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
In order to improve the corrosion prevention effect, the surface of the adapter 3 is coated with a layer of preservative.
In order to improve the wear resistance, a wear-resistant layer consisting of a high-temperature wear-resistant material, hot melt adhesive and a toughening agent is arranged in the corrugated pipe 8.
In order to improve the flame retardance, the surface of the adapter 3 is coated with a layer of flame retardant.
Example 6:
the embodiment discloses a diameter-variable fire-fighting hose, which comprises a hose, a water inlet connecting part and a nozzle connecting part, wherein the water inlet connecting part and the nozzle connecting part are connected at two ends of the hose, the water inlet connecting part is composed of a hexagonal vertical cloth 1 with a threaded connecting part at the head part and a binding ring 2, the hexagonal vertical cloth 1 is connected with one end of the hose through the binding ring 2 in a threaded manner, the spray head connecting part comprises an adapter 3, the adapter 3 is connected with a fixed disc 5, a first internal thread 5 is arranged on the inner side of the other end of the adapter 3, the hose comprises an inner pipe 6 formed by a mesh grid and a corrugated pipe 8 sleeved outside the inner pipe 6, the diameters of the woven nets are different and are respectively distributed with a large caliber and a small caliber from left to right, the corrugated pipe 8 comprises a large corrugated pipe 9 arranged outside the large-caliber woven mesh and a small corrugated pipe 10 arranged outside the small-caliber woven mesh, and the corrugated pipe 8 is composed of the following raw materials in parts: 56 parts of recycled plastic, 46 parts of recycled plastic, 7.9 parts of filler, 7.8 parts of anti-aging agent, 8 parts of combustion agent, 2.8 parts of graphite, 1.5 parts of adhesive, 6.2 parts of peroxide master batch, 2.2 parts of toughening agent, 1.3 parts of mica powder and 3.2 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
In order to improve the corrosion prevention effect, the surface of the adapter 3 is coated with a layer of preservative.
Example 7:
this embodiment discloses a but fire control of reducing is with watering hose, including hose and the water inlet connecting portion and the shower nozzle connecting portion of connection at the hose both ends, water inlet connecting portion are cloth 1 and bundle ring 2 are found for the hexagonal of head threaded connection portion, bundle ring 2 is found cloth 1 threaded connection in the one end of hose with the hexagonal, the shower nozzle connecting portion include adapter 3, adapter 3 is connected with fixed disk 5, is equipped with first internal thread 5 in adapter 3 other end inboard, the hose includes inner tube 6 and the bellows 8 of cover outside inner tube 6 that the mesh grid constitutes, just the diameter of mesh grid different, from left to right distribute with heavy-calibre and small-calibre respectively, just bellows 8 is including locating the outer big bellows 9 of heavy-calibre mesh grid and locating the outer wavelet 10 of small-calibre mesh grid, its characterized in that: the corrugated pipe 8 is composed of the following raw materials in parts by weight: 59 parts of recycled plastic, 54 parts of recycled plastic, 7.8 parts of filler, 7.8 parts of anti-aging agent, 11 parts of combustion agent, 2.8 parts of graphite, 1.8 parts of adhesive, 6.8 parts of peroxide master batch, 2.8 parts of toughening agent, 1.8 parts of mica powder and 4.5 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
In order to improve the corrosion prevention effect, the surface of the adapter 3 is coated with a layer of preservative.
In order to improve the wear resistance, a wear-resistant layer consisting of a high-temperature wear-resistant material, hot melt adhesive and a toughening agent is arranged in the corrugated pipe 8.
In order to improve the flame retardance, the surface of the adapter 3 is coated with a layer of flame retardant.
Example 8:
the embodiment discloses a diameter-variable fire-fighting hose, which comprises a hose, a water inlet connecting part and a nozzle connecting part, wherein the water inlet connecting part and the nozzle connecting part are connected at two ends of the hose, the water inlet connecting part is composed of a hexagonal vertical cloth 1 with a threaded connecting part at the head part and a binding ring 2, the hexagonal vertical cloth 1 is connected with one end of the hose through the binding ring 2 in a threaded manner, the spray head connecting part comprises an adapter 3, the adapter 3 is connected with a fixed disc 5, a first internal thread 5 is arranged on the inner side of the other end of the adapter 3, the hose comprises an inner pipe 6 formed by a mesh grid and a corrugated pipe 8 sleeved outside the inner pipe 6, the diameters of the woven nets are different and are respectively distributed with a large caliber and a small caliber from left to right, the corrugated pipe 8 comprises a large corrugated pipe 9 arranged outside the large-caliber woven mesh and a small corrugated pipe 10 arranged outside the small-caliber woven mesh, and the corrugated pipe 8 is composed of the following raw materials in parts: 60 parts of recycled plastic, 55 parts of recycled plastic, 8 parts of filler, 8 parts of anti-aging agent, 12 parts of flame retardant, 3 parts of graphite, 2 parts of adhesive, 7 parts of peroxide master batch, 3 parts of toughening agent, 2 parts of mica powder and 5 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
In order to improve the corrosion prevention effect, the surface of the adapter 3 is coated with a layer of preservative.
In order to improve the wear resistance, a wear-resistant layer consisting of a high-temperature wear-resistant material, hot melt adhesive and a toughening agent is arranged in the corrugated pipe 8.
In order to improve the flame retardance, the surface of the adapter 3 is coated with a layer of flame retardant.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. 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 (10)
1. The utility model provides a but fire control of reducing is with watering hose, includes the hose and connects the water inlet connecting portion and the shower nozzle connecting portion at hose both ends, its characterized in that: the utility model discloses a hose, including water inlet connecting portion, water inlet connecting portion found cloth (1) and bundle ring (2) for the hexagonal of head threaded connection portion, bundle ring (2) found cloth (1) threaded connection in the one end of hose with the hexagonal, shower nozzle connecting portion include adapter (3), adapter (3) are connected with fixed disk (5), are equipped with first internal thread (7) in adapter (3) other end inboard, the hose includes inner tube (6) and the cover bellows (8) outside inner tube (6) that mesh grid constitutes, just mesh grid's diameter different, from left to right distribute with heavy-calibre and small-calibre respectively, just bellows (8) are including locating outer heavy-calibre mesh grid's outer wavelet pipe (9) and locating the outer wavelet pipe (10) of small-calibre mesh grid.
2. A fire hose as claimed in claim 1, having a variable diameter, wherein: the connecting sheath (11) is sleeved between the two adjacent small wave tubes (10) and the large wave tube (9).
3. A fire hose as claimed in claim 1, having a variable diameter, wherein: fixed disk (5) outside be equipped with trapezoidal connecting portion (12), connecting portion (12) card in adapter (3) outside and with adapter (3) interference fit.
4. A fire hose as claimed in claim 1, having a variable diameter, wherein: the two sides of the end part of the adapter (3) are provided with arc-shaped missing rings (13).
5. A fire hose as claimed in claim 1, having a variable diameter, wherein: a layer of heat insulation layer (14) is arranged outside the corrugated pipe (8).
6. A variable diameter fire hose according to claim 1 or 2 or 3 or 4 or 5, wherein: a flame-retardant anticorrosive layer (15) is arranged on the inner side of the corrugated pipe (8).
7. The utility model provides a but fire control of reducing is with watering hose, includes the hose and connects the water inlet connecting portion and the shower nozzle connecting portion at the hose both ends, the water inlet connecting portion is that hexagonal of head threaded connection portion found cloth (1) and bundle ring (2), bundle ring (2) found cloth (1) threaded connection in the one end of hose with the hexagonal, the shower nozzle connecting portion include adapter (3), adapter (3) are connected with fixed disk (5), are equipped with first internal thread (5) in adapter (3) other end inboard, the hose includes inner tube (6) and the bellows (8) of cover outside inner tube (6) that the braided net constitutes, just the diameter of braided net different, distribute with heavy-calibre and small-calibre respectively from left to right, just bellows (8) are including locating the outer big bellows (9) of heavy-calibre braided net and locating the outer wavelet (10) of small-calibre braided net, the method is characterized in that: the corrugated pipe (8) is composed of the following raw materials in parts by weight: 55-60 parts of recycled plastic, 45-55 parts of recycled plastic, 7-8 parts of filler, 7-8 parts of anti-aging agent, 7-12 parts of flame retardant, 2-3 parts of graphite, 1-2 parts of adhesive, 6-7 parts of peroxide master batch, 2-3 parts of toughening agent, 1-2 parts of mica powder and 3-5 parts of preservative; wherein the flame retardant is pentaerythritol; the adhesive is cyanoacrylate, polyolefin or phenolic aldehyde; the toughening agent is one or more of acrylic resin or epoxy resin.
8. A variable diameter fire hose according to claim 7, wherein: and a layer of preservative is coated on the surface of the adapter (3).
9. A variable diameter fire hose according to claim 7, wherein: the corrugated pipe (8) is internally provided with a wear-resistant layer which is composed of a high-temperature wear-resistant material, hot melt adhesive and a toughening agent.
10. A variable diameter fire hose according to claim 7, wherein: and a layer of flame retardant is coated on the surface of the adapter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514251.7A CN111589038A (en) | 2020-06-08 | 2020-06-08 | Diameter-variable water spraying hose for fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514251.7A CN111589038A (en) | 2020-06-08 | 2020-06-08 | Diameter-variable water spraying hose for fire fighting |
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| Publication Number | Publication Date |
|---|---|
| CN111589038A true CN111589038A (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010514251.7A Pending CN111589038A (en) | 2020-06-08 | 2020-06-08 | Diameter-variable water spraying hose for fire fighting |
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| CN (1) | CN111589038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870401A (en) * | 2021-01-12 | 2021-06-01 | 张京伟 | Portable medical treatment and sanitation degassing unit |
-
2020
- 2020-06-08 CN CN202010514251.7A patent/CN111589038A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870401A (en) * | 2021-01-12 | 2021-06-01 | 张京伟 | Portable medical treatment and sanitation degassing unit |
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