CN112594457B - Fire hose with wear-resistant liner - Google Patents

Fire hose with wear-resistant liner Download PDF

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Publication number
CN112594457B
CN112594457B CN202110046510.2A CN202110046510A CN112594457B CN 112594457 B CN112594457 B CN 112594457B CN 202110046510 A CN202110046510 A CN 202110046510A CN 112594457 B CN112594457 B CN 112594457B
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Prior art keywords
fire hose
wear
bag body
layer
arc
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CN202110046510.2A
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Chinese (zh)
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CN112594457A (en
Inventor
陈志林
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Nantong Yalong Fire Fighting Equipment Co ltd
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Nantong Yalong Fire Fighting Equipment Co ltd
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Priority to CN202110046510.2A priority Critical patent/CN112594457B/en
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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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/005—Hoses, i.e. flexible pipes consisting completely or partially of material other than fibres, plastics or metal
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • F16L11/125—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting non-inflammable or heat-resistant hoses
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/22—Multi-channel hoses
    • 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/28—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses for hoses with one end terminating in a radial flange or collar
    • 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
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/70—Cooling of pipes or pipe systems
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/02—Energy absorbers; Noise absorbers
    • F16L55/027—Throttle passages
    • 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
    • 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
    • F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2413/00—Belts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a fire hose with a wear-resistant lining, which relates to the technical field of fire hoses and comprises a fire hose main body, a handheld part and a connecting flange, wherein the handheld part is arranged at the top of the fire hose main body, the connecting flange is arranged on the outer surface of the top of the handheld part, the fire hose main body comprises an outer hose body, an inner lining and a movable cavity, the inner lining comprises a wear-resistant bag body and an elastic bag body, and the wear-resistant bag body and the elastic bag body are connected end to end. The invention not only improves the wear resistance of the inner lining of the fire hose, but also reduces the impact force of high-pressure water flow on the inner lining of the fire hose through the arranged elastic bag body, improves the wear resistance and the impact resistance of the inner lining of the fire hose, simultaneously can ensure that the fire hose can cool the fire hose per se in an environment with higher temperature in a fire scene, improves the high temperature resistance of the fire hose, and is convenient for a fireman to use.

Description

Fire hose with wear-resistant liner
Technical Field
The invention relates to a fire hose with a wear-resistant liner, and relates to the technical field of fire hoses.
Background
Fire hose is a hose used to transport high pressure water or fire-retardant liquids such as foam. The traditional fire hose takes rubber as a lining, and the outer surface of the traditional fire hose is wrapped by linen braided fabric. The advanced fire hose is made of polyurethane and other polymer materials. The two ends of the fire hose are provided with metal joints, and the fire hose can be connected with another hose to prolong the distance or connected with a nozzle to increase the liquid injection pressure. Fire hoses are classified into lined fire hoses and leaky fire hoses. The lined fire hose comprises a rubber fire hose, a TPU fire hose, a terylene glue-pouring hose and a hemp plastic-coated hose. The pressure of the bearing work is divided into four types of 0.8MPa, 1.0MPa, 1.3MPa and 1.6 MPa. The diameter is divided into four types of 50 mm, 65 mm, 80 mm or 75 mm and 90 mm. The woven water hose is divided into a plain water hose and a twill water hose. The length of each water hose is generally specified to be 20 meters, generally speaking, the length of the fire hose is between 20 meters and 25 meters, after a fire alarm occurs, the fire hose needs to be connected with the fire hydrant quickly, and then the water valve switch is opened to enable the fire hose to discharge water.
The following problems exist in the prior art:
1. the traditional fire hose has the advantages that the interior of the traditional fire hose needs to be subjected to high-pressure impact in the using process, and the wear resistance of the lining of the fire hose is poor, so that the lining of the fire hose is easy to wear, and the service life of the fire hose is shortened;
2. the traditional fire hose has the defects that the temperature in a fire scene is high in the using process, and the high temperature resistance of the lining of the fire hose is poor, so that the temperature of the fire hose is sharply increased, a fireman is inconvenient to use, and the practicability of the fire hose is poor.
Disclosure of Invention
The invention provides a fire hose with a wear-resistant lining, which aims to solve the problem that the lining of the traditional fire hose is easy to wear due to poor wear resistance of the lining of the traditional fire hose; the other purpose is to solve the problem of poor high temperature resistance of the lining of the fire hose so as to achieve the effect of facilitating the use of firemen.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a fire hose with wear-resisting type lining, includes fire hose main part, handheld portion and flange, the top of fire hose main part is provided with handheld portion, the top surface of handheld portion is provided with flange, fire hose main part includes the outer tape body, interior lining and activity chamber, the interior lining includes wear-resisting bag body and elastic bag body, wear-resisting bag body, elastic bag body end to end, the wear-resisting bag body includes graphite alkene layer, polyurethane layer and cis-polybutadiene rubber layer.
The surface of the elastic bag body is provided with a through hole, the outer surface of the elastic bag body is connected with a first arc-shaped plate through a first bearing movably arranged on the left side, and the outer surface of the elastic bag body is connected with a second arc-shaped plate through a second bearing movably arranged on the right side.
The first arc-shaped plate and the second arc-shaped plate are located in the movable cavity, and elastic connecting rods are arranged on the outer surfaces of the first arc-shaped plate and the second arc-shaped plate.
The top of elastic connecting rod is provided with the rubber tube, the cavity has been seted up at the top of rubber tube.
The inner wall of cavity is provided with ammonium nitrate, the inner wall bottom of cavity is provided with the runner pipe, the opening of circulating has been seted up at the inner wall top of cavity.
The technical scheme of the invention is further improved as follows: the bottom on graphite alkene layer is provided with the polyurethane layer, the bottom on polyurethane layer is provided with the butadiene rubber layer.
The technical scheme of the invention is further improved as follows: the elastic bag body includes second PVC articulamentum, rubber buffer layer, polyethylene transition layer and first PVC articulamentum, the top of first PVC articulamentum is provided with the polyethylene transition layer, the top of polyethylene transition layer is provided with the rubber buffer layer, the top of rubber buffer layer is provided with second PVC articulamentum.
The technical scheme of the invention is further improved as follows: the input end of the flow pipe is opposite to the positions of the first arc-shaped plate and the second arc-shaped plate, and the flow pipe comprises a main flow pipe and a flow dividing pipe.
The technical scheme of the invention is further improved as follows: both ends all are provided with the shunt tubes about main flow tube's top, the diameter at shunt tubes top is the half of bottom diameter.
The technical scheme of the invention is further improved as follows: the surface of the outer belt body is provided with an anti-skidding cushion layer, and a rubber plug is arranged at an opening of the top of the handheld portion, which is located in the cavity.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a fire hose with a wear-resistant lining, which is ingeniously designed, and is characterized in that an outer belt body, an inner lining, a movable cavity, a wear-resistant bag body and an elastic bag body are combined, wherein the inner lining is formed by combining the wear-resistant bag body and the elastic bag body, so that the wear resistance of the inner lining of the fire hose is improved, the impact force of high-pressure water flow on the inner lining of the fire hose is reduced by the arranged elastic bag body, the wear resistance and the impact resistance of the inner lining of the fire hose are improved, the quality of the fire hose is improved, and the service life of the fire hose is longer.
2. The invention provides a fire hose with a wear-resistant liner, which is characterized in that a rubber pipe, a cavity, ammonium nitrate, a circulating pipe and a circulating port are combined, and the ammonium nitrate is arranged in the rubber pipe, so that the fire hose can cool itself in a high-temperature environment in a fire scene, the high-temperature resistance of the fire hose is improved, the fire hose is convenient for firemen to use, convenience is brought to fire fighting work, and the practicability of the fire hose is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the handle and the connecting flange according to the present invention;
FIG. 3 is a schematic sectional view of the main body of the fire hose of the present invention;
FIG. 4 is a schematic cross-sectional view of the wear-resistant bag of the present invention;
FIG. 5 is a schematic view of the elastic bag according to the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
fig. 7 is a schematic view of the structure of the flow-through tube of the present invention.
In the figure: 1. a fire hose body; 2. a hand-held portion; 3. a connecting flange; 4. an outer belt body; 5. an inner lining; 6. a movable cavity; 7. a wear-resistant bag body; 8. an elastic bag body; 9. a graphene layer; 10. a polyurethane layer; 11. a butadiene rubber layer; 12. a second PVC connecting layer; 13. a rubber buffer layer; 14. a polyethylene transition layer; 15. a first PVC connecting layer; 16. a through hole; 17. a first bearing; 18. a first arc-shaped plate; 19. a second bearing; 20. a second arc-shaped plate; 21. an elastic connecting rod; 22. a rubber tube; 23. a cavity; 24. ammonium nitrate; 25. a flow-through tube; 26. a flow port; 27. a main flow tube; 28. a shunt tube; 29. an anti-slip cushion layer; 30. and a rubber plug.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-7, the invention provides a fire hose with a wear-resistant lining, comprising a fire hose body 1, a handheld part 2 and a connecting flange 3, wherein the handheld part 2 is arranged at the top of the fire hose body 1, the connecting flange 3 is arranged on the outer surface of the top of the handheld part 2, the fire hose body 1 comprises an outer hose body 4, an inner liner 5 and a movable cavity 6, the inner liner 5 comprises a wear-resistant bag body 7 and an elastic bag body 8, the wear-resistant bag body 7 and the elastic bag body 8 are connected end to end, the wear-resistant bag body 7 comprises a graphene layer 9, a polyurethane layer 10 and a butadiene rubber layer 11, the polyurethane layer 10 is arranged at the bottom of the graphene layer 9, the butadiene rubber layer 11 is arranged at the bottom of the polyurethane layer 10, the elastic bag body 8 comprises a second PVC connecting layer 12, a rubber buffer layer 13, a polyethylene transition layer 14 and a first PVC connecting layer 15, the polyethylene transition layer 14 is arranged at the top of the first PVC connecting layer 15, the top of polyethylene transition layer 14 is provided with rubber buffer layer 13, and the top of rubber buffer layer 13 is provided with second PVC articulamentlayer 12.
In this embodiment, when the fire hose with the wear-resistant lining is used, the connecting flange 3 is connected with the fire-fighting lance nozzle, the water-proof hose body 1 can be controlled to spray water by controlling the handheld portion, during the working process, high-pressure water flow in the fire hose body 1 can generate high-pressure impact in the fire-proof hose body 1 during the flowing process, the graphene layer 9 arranged in the wear-resistant bag body 7 has good toughness and can be bent, the polyurethane layer 10 has the advantages of heat insulation, water resistance and wear resistance, meanwhile, the cis-polybutadiene rubber layer 11 has lower heat generation property and rolling resistance, and simultaneously has excellent physical and mechanical properties such as wear resistance and fatigue resistance, the wear resistance of the fire-resistant lining 5 of the fire hose is improved by combining the graphene layer 9, the polyurethane layer 10 and the cis-polybutadiene rubber layer 11, the second PVC connecting layer 12 and the first PVC connecting layer 15 are arranged in the elastic bag body 8, can make the elastic bag body 8 can produce deformation when experiencing high-pressure rivers and assaulting, the impact force that brings high-pressure rivers becomes elastic force, rubber buffer layer 13 and polyethylene transition layer 14 can absorb the impact force that a part high-pressure rivers brought simultaneously, avoid the impact force to make the elastic bag body 8 wearing and tearing, through with second PVC articulamentum 12, rubber buffer layer 13, polyethylene transition layer 14 and the 15 combination settings of first PVC articulamentum, the impact force of high-pressure rivers to this fire hose main part 1's interior lining 5 has been reduced, the wearability and the impact resistance of this fire hose main part 1's interior lining 5 have been improved.
Example 2
As shown in fig. 5 to 7, on the basis of embodiment 1, the present invention provides a technical solution: the surface of the elastic bag body 8 is provided with a through hole 16, the outer surface of the elastic bag body 8 is movably connected with a first arc-shaped plate 18 through a first bearing 17 arranged on the left side, the outer surface of the elastic bag body 8 is movably connected with a second arc-shaped plate 20 through a second bearing 19 arranged on the right side, the first arc-shaped plate 18 and the second arc-shaped plate 20 are both positioned in the movable cavity 6, the outer surfaces of the first arc-shaped plate 18 and the second arc-shaped plate 20 are both provided with an elastic connecting rod 21, the top of the elastic connecting rod 21 is provided with a rubber tube 22, the top of the rubber tube 22 is provided with a cavity 23, the inner wall of the cavity 23 is provided with ammonium nitrate 24, the bottom of the inner wall of the cavity 23 is provided with a circulating tube 25, the top of the inner wall of the cavity 23 is provided with a circulating port 26, the input end of the circulating tube 25 is opposite to the positions of the first arc-shaped plate 18 and the second arc-shaped plate 20, the circulating tube 25 comprises a main flow tube 27 and a flow tube 28, the left end and a right end of the main flow tube 27 are both provided with flow dividing tubes 28, the diameter of the top of the shunt tube 28 is one half of the diameter of the bottom, the outer surface of the outer belt body 4 is provided with an anti-skid cushion layer 29, and the top of the handheld part 2 at the opening of the cavity 23 is provided with a rubber plug 30.
In this embodiment, when the elastic bag 8 deforms under the impact force of the high-pressure water flow, a part of the high-pressure water flow enters the movable cavity 6 through the through hole 16, and impacts the first arc-shaped plate 18 and the second arc-shaped plate 20 at the same time, because the first arc-shaped plate 18 and the second arc-shaped plate 20 are connected with the elastic bag 8 through the first bearing 17 and the second bearing 19, respectively, and the first arc-shaped plate 18 and the second arc-shaped plate 20 are in the protruding arc shapes, the first arc-shaped plate 18 and the second arc-shaped plate 20 can contact with each other under the impact of the water flow, so that the water flow enters the cavity 23 formed at the top of the rubber tube 22 through the flow pipe 25, and contacts with the ammonium nitrate 24 arranged in the cavity 23, because the flow pipe 25 includes the main flow pipe 27 and the shunt pipes 28, the shunt pipes 28 are arranged at both the left and right ends of the top of the main flow pipe 27, the diameter at flow tube 28 top is the half of bottom diameter again, under the high pressure effect, can make rivers farther at the inside distance that flows of cavity 23 that the top of rubber tube 22 was seted up, when rivers and the inside ammonium nitrate 24 contact that sets up of cavity 23, thereby ammonium nitrate 24 can solidify and carry out endothermic work, the flow of 26 inside air through circulation mouth can make ammonium nitrate 24 carry out cooling work at movable chamber 6 to fire hose main part 1, can make fire hose main part 1 can cool down to self under the higher environment of temperature in the scene of a fire, the high temperature resistance of fire hose main part 1 has been improved, make it be convenient for fire fighter handheld use, skid resistant course 29 can avoid hosepipe 1 landing in the use, control rubber buffer 30 can carry out the interpolation of ammonium nitrate 24 in the rubber tube 22 with being connected of handheld portion 2.
The working principle of the fire hose with the abrasion-resistant liner will be described in detail below.
As shown in fig. 1-7, when the fire hose with the wear-resistant lining works, the water spraying work of the fire hose main body 1 can be controlled by controlling the handheld part, in the working process, the graphene layer 9 arranged inside the wear-resistant bag body 7 has good toughness and can be bent, the polyurethane layer 10 has the advantages of heat insulation, water resistance and wear resistance, the cis-polybutadiene layer 11 has low heat generation property and rolling resistance and has excellent physical and mechanical properties such as wear resistance and fatigue resistance, the wear resistance of the lining 5 of the fire hose is improved, the second PVC connecting layer 12 and the first PVC connecting layer 15 can enable the elastic bag body 8 to deform when being impacted by high-pressure water flow, and meanwhile, the rubber buffer layer 13 and the lining polyethylene transition layer 14 can absorb impact force caused by part of high-pressure water flow, so that the impact force of the water flow on the high-pressure lining 5 of the fire hose main body 1 is reduced, the wearability and the impact resistance of lining 5 in this fire hose main part 1 have been improved, have partly in the high-pressure rivers and get into movable chamber 6 through the through-hole 16 that sets up, make and to contact being connected between the two under the impact of rivers between first arc 18 and the second arc 20, make rivers cavity 23 inside, contact with the inside ammonium nitrate 24 that sets up of cavity 23, when rivers and the inside ammonium nitrate 24 that sets up of cavity 23 contact, thereby ammonium nitrate 24 can solidify and carry out the heat absorption work, thereby to carry out cooling work to waterproof area main part 1, can make fire hose main part 1 can cool down self under the higher environment of temperature in the scene of a fire.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims (6)

1. The utility model provides a fire hose with stand wear and tear type lining, includes fire hose main part (1), handheld portion (2) and flange (3), its characterized in that: the fire hose comprises a fire hose body (1), and is characterized in that a handheld part (2) is arranged at the top of the fire hose body (1), a connecting flange (3) is arranged on the outer surface of the top of the handheld part (2), the fire hose body (1) comprises an outer hose body (4), an inner lining (5) and a movable cavity (6), the inner lining (5) comprises a wear-resistant bag body (7) and an elastic bag body (8), the wear-resistant bag body (7) and the elastic bag body (8) are connected end to end, and the wear-resistant bag body (7) comprises a graphene layer (9), a polyurethane layer (10) and a cis-polybutadiene rubber layer (11);
the surface of the elastic bag body (8) is provided with a through hole (16), the outer surface of the elastic bag body (8) is movably connected with a first arc-shaped plate (18) through a first bearing (17) arranged on the left side, and the outer surface of the elastic bag body (8) is movably connected with a second arc-shaped plate (20) through a second bearing (19) arranged on the right side;
the first arc-shaped plate (18) and the second arc-shaped plate (20) are both positioned in the movable cavity (6), and the outer surfaces of the first arc-shaped plate (18) and the second arc-shaped plate (20) are both provided with elastic connecting rods (21);
the top of the elastic connecting rod (21) is provided with a rubber tube (22), and the top of the rubber tube (22) is provided with a cavity (23);
the inner wall of cavity (23) is provided with ammonium nitrate (24), the inner wall bottom of cavity (23) is provided with runner pipe (25), circulation mouth (26) have been seted up at the inner wall top of cavity (23).
2. A fire hose with a wear-resistant liner according to claim 1, wherein: the bottom on graphite alkene layer (9) is provided with polyurethane layer (10), the bottom on polyurethane layer (10) is provided with butadiene rubber layer (11).
3. A fire hose with a wear-resistant liner according to claim 1, wherein: the utility model discloses an elastic bag body, including the second PVC articulamentum (12), rubber buffer layer (13), polyethylene transition layer (14) and first PVC articulamentum (15), the top of first PVC articulamentum (15) is provided with polyethylene transition layer (14), the top of polyethylene transition layer (14) is provided with rubber buffer layer (13), the top of rubber buffer layer (13) is provided with second PVC articulamentum (12).
4. A fire hose with a wear-resistant liner according to claim 1, wherein: the input end of the flow pipe (25) is opposite to the positions of the first arc-shaped plate (18) and the second arc-shaped plate (20), and the flow pipe (25) comprises a main flow pipe (27) and a shunt pipe (28).
5. A fire hose with a wear-resistant liner according to claim 4, wherein: both ends all are provided with shunt tubes (28) about main flow tube (27)'s top, the diameter at shunt tubes (28) top is the half of bottom diameter.
6. A fire hose with a wear-resistant liner according to claim 1, wherein: the surface of the outer belt body (4) is provided with an anti-skidding cushion layer (29), and a rubber plug (30) is arranged at an opening of the top of the handheld part (2) located in the cavity (23).
CN202110046510.2A 2021-01-14 2021-01-14 Fire hose with wear-resistant liner Active CN112594457B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5977624B2 (en) * 2012-09-04 2016-08-24 帝国繊維株式会社 Fire hose
US9127791B2 (en) * 2012-11-09 2015-09-08 Ragner Technology Corporation Lubricated elastically biased stretch hoses
CN206669144U (en) * 2017-03-15 2017-11-24 扬州市邮星消防器材有限公司 A kind of wear-proof fire hose
CN107300047A (en) * 2017-08-23 2017-10-27 严梓展 A kind of Multifunctional fire-fighting water belt with guide functions
CN209229168U (en) * 2018-11-02 2019-08-09 高邮市新世纪消防器材有限公司 A kind of high intensity fire hose
CN211010224U (en) * 2019-12-19 2020-07-14 浙江民安消防设备有限公司 Wear-resistant and leak-proof fire hose

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