CN113357426B - Fire hose with self-stopping function - Google Patents
Fire hose with self-stopping function Download PDFInfo
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- CN113357426B CN113357426B CN202110667807.0A CN202110667807A CN113357426B CN 113357426 B CN113357426 B CN 113357426B CN 202110667807 A CN202110667807 A CN 202110667807A CN 113357426 B CN113357426 B CN 113357426B
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- Prior art keywords
- layer
- connector
- hose
- retraction
- fire
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000010073 coating (rubber) Methods 0.000 claims abstract description 8
- 239000004760 aramid Substances 0.000 claims abstract description 4
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 118
- 239000000835 fiber Substances 0.000 claims description 29
- 238000009954 braiding Methods 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 15
- -1 polypropylene Polymers 0.000 claims description 15
- 229920001155 polypropylene Polymers 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 229920000728 polyester Polymers 0.000 claims description 12
- 239000003610 charcoal Substances 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 238000004073 vulcanization Methods 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 8
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 6
- GWOWVOYJLHSRJJ-UHFFFAOYSA-L cadmium stearate Chemical compound [Cd+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O GWOWVOYJLHSRJJ-UHFFFAOYSA-L 0.000 claims description 6
- HENMSNJYDGNBMU-UHFFFAOYSA-M calcium;zinc;octadecanoate Chemical compound [Ca+2].[Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O HENMSNJYDGNBMU-UHFFFAOYSA-M 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 238000009941 weaving Methods 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- F16L11/02—Hoses, i.e. flexible pipes made of fibres or threads, e.g. of textile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D29/00—Producing belts or bands
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
-
- 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
- F16L29/00—Joints with fluid cut-off means
-
- 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
- F16L33/01—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer 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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
-
- 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
- F16L33/24—Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses with parts screwed directly on or into the hose
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (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 self-water stopping function, which comprises a hose body and a connecting assembly connected between one end of the hose body and a fire water supply valve port, wherein the hose body comprises a wear-resistant outer wrapping layer, an anti-retraction layer and a reinforcing layer, the anti-retraction layer and the reinforcing layer are sequentially arranged in the wear-resistant outer wrapping layer, the connecting assembly comprises a first connector and a second connector, a pressure control switch is connected between the first connector and the second connector in a threaded manner, an electromagnetic valve is fixedly arranged in the first connector, the pressure control switch is electrically connected with the electromagnetic valve, the wear-resistant outer wrapping layer comprises a tubular hose blank and a rubber coating attached to the inner wall and the outer wall of the tubular hose blank, an outer wrapping layer is arranged on the outer side of the outer rubber coating, the outer wrapping layer and the inner wrapping layer serving as the hose blank are both woven by high-strength aramid filaments, the wear-resistant layer is arranged outside the hose blank, the wear resistance is improved, and the service life of the fire hose is prolonged.
Description
Technical Field
The invention relates to the technical field of fire-fighting products, in particular to a fire-fighting water belt with a self-stopping function.
Background
The fire hose for extinguishing fire is convenient to lay when in use, and becomes one of the most main fire extinguishing tools in daily life. However, because of the unpredictable high heat generated by different environments in the fire scene, some combustibles generate high smoke, gas and radiant heat, which results in the lining and the strip of the fire hose being damaged by being heated and separated.
In the prior art, when a fire hose leaks, fire fighters cannot find the fire hose in the first time; moreover, aiming at the problem of leakage of the fire hose, the fire fighter can hardly repair the fire hose in the first time; and when the fire hose is used, the fire hose is always in a dragging state, and the long-term abrasion is shortened.
Disclosure of Invention
The invention aims to provide a fire hose with a self-stopping function, wherein the outer wall of the hose body of the fire hose is wrapped with a wear-resistant outer wrapping layer, so that the wear resistance of the fire hose is improved, and the service life of the fire hose is prolonged, and the problems in the prior art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the fire hose with the self-stopping function comprises a hose body and a connecting assembly connected between one end of the hose body and a fire water supply valve port, wherein the hose body comprises a wear-resistant outer wrapping layer, an anti-retraction layer and a reinforcement layer, and the anti-retraction layer and the reinforcement layer are sequentially arranged in the wear-resistant outer wrapping layer;
the connecting assembly comprises a first connector and a second connector, a pressure control switch is connected between the first connector and the second connector in a threaded manner, an electromagnetic valve is fixedly arranged in the first connector, and the pressure control switch is electrically connected with the electromagnetic valve;
the manufacturing method of the fire hose comprises the following steps:
s1, braiding, wherein a bamboo charcoal fiber line is used as warp yarn in a fire hose braiding layer, a polypropylene fiber high-strength fiber line is used as weft yarn, and the warp yarn and the weft yarn are woven in an alternating manner;
s2, manufacturing an anti-retraction layer, wherein the anti-retraction layer comprises a rubber layer, a polyester layer and a plastic layer, oblique winding metal wires are arranged between the polyester layer and the rubber layer, the rubber layer and the polyester layer and between the plastic layer and the polyester layer are bonded through an adhesive layer, and the plastic layer is prepared by mixing polyvinyl chloride, cadmium stearate, nitrile rubber, calcium zinc stearate and barium stearate;
s3, heating, namely heating the mixed polyvinyl chloride, cadmium stearate, nitrile rubber, calcium zinc stearate and barium stearate to a temperature not exceeding 190 ℃;
s4, molding the water hose body, extruding the anti-retraction layer into a mold after more than 30 minutes and no more than 45 minutes, cooling and molding the water hose body to be tubular, performing gum dipping treatment on the cooled tubular anti-retraction layer, flushing air into the tubular anti-retraction layer to enable the tubular anti-retraction layer to expand and coincide with a tubular framework of the water hose body, then sleeving and fixing the wear-resistant outer wrapping layer, the anti-retraction layer, the reinforcing layer and the weaving layer in sequence, and finally performing drying and molding;
s5, installing a connecting assembly, connecting one end of the formed water hose body with the first connector in a threaded manner, and connecting a second connector provided with a pressure control switch with the first connector in a threaded manner to enable the water hose body to be put into use.
The wear-resistant outer wrapping layer comprises a tubular belt blank and a rubber coating layer attached to the inner wall and the outer wall of the tubular belt blank, wherein an outer wrapping layer is arranged on the outer side of the rubber coating layer of the outer wall, and the outer wrapping layer and an inner wrapping layer serving as the belt blank are formed by weaving high-strength aramid filaments.
A braiding layer is arranged between the wear-resistant outer wrapping layer and the anti-retraction layer, the braiding layer is made of bamboo carbon fiber and polypropylene high-strength fiber, and the polypropylene high-strength fiber is hollow; the polypropylene high-strength fibers and the bamboo charcoal fibers are interwoven, and the sum of the number of the polypropylene high-strength fibers and the number of the bamboo charcoal fibers is 48-52.
The first connector is in threaded connection with one end of the hose body, the second connector is in threaded connection with the fire-fighting water supply valve port, and the first connector is fixedly connected with the second connector through a buckle.
The first joint one end is provided with the snap ring, the second joint one end has the annular draw-in groove that matches with the snap ring, and the second joint one end has seted up logical groove, be provided with sealed pad between snap ring and the annular draw-in groove.
Wherein the dipping layer obtained by the dipping treatment in the step S5 is a thin coating layer, and the thickness of the thin coating layer is 0.02-0.05mm.
Wherein, the water hose body shaping in the step S4 comprises a steam vulcanization process, when the vulcanization is carried out, steam is introduced into the pipe wall of the anti-retraction layer, the temperature of the pipe wall of the anti-retraction layer is gradually increased to 150-160 ℃, the vulcanization time is not less than 5 minutes, and the steam pressure is 0.18+/-0.02 Mpa.
In summary, the beneficial effects of the invention are as follows due to the adoption of the technology:
according to the invention, the connecting assembly is arranged at one end of the hose body, the electromagnetic valve and the pressure control switch are respectively electrically connected between the connecting assembly and the fire water supply valve port, and when the fire water hose leaks, the electromagnetic valve is controlled to be closed by the pressure control switch, which is equivalent to controlling the fire water supply valve port, so that a fire fighter can find leakage in time;
according to the invention, the wear-resistant outer cladding is arranged on the outer wall of the fire hose body, so that the wear resistance of the fire hose is improved, the abrasion to the fire hose caused by dragging is reduced when the fire hose is used, and the service life of the fire hose is prolonged.
Drawings
FIG. 1 is a schematic view of a connection assembly of the present invention in front cross-section;
FIG. 2 is a schematic view of a split cross-sectional structure of a connection assembly of the present invention;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 according to the present invention;
FIG. 4 is a schematic side view of a second joint according to the present invention;
fig. 5 is a schematic view of a partially cut-away perspective structure of a hose body according to the present invention.
In the figure: 1. a water hose body; 101. a wear-resistant outer cladding; 102. an anti-recoil layer; 103. a reinforcing layer; 104. a braiding layer; 2. a connection assembly; 201. a first joint; 202. a second joint; 203. a pressure control switch; 204. an electromagnetic valve; 205. a through groove; 206. a sealing gasket; 207. a clasp; 208. an annular clamping groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Example 1
The invention provides a fire hose with a self-water stopping function, as shown in figures 1-5, which comprises a hose body 1 and a connecting component 2 connected between one end of the hose body 1 and a fire water supply valve port, wherein the hose body 1 comprises a wear-resistant outer wrapping layer 101, an anti-retraction layer 102 and a reinforcing layer 103, the anti-retraction layer 102 and the reinforcing layer 103 are sequentially arranged in the wear-resistant outer wrapping layer 101, the wear-resistant outer wrapping layer 101 comprises a tubular hose blank and a rubber coating attached to the inner wall and the outer wall of the tubular hose blank, an outer wrapping layer is arranged on the outer side of the rubber coating of the outer wall, and the outer wrapping layer and the inner wrapping layer serving as the hose blank are formed by weaving high-strength aramid filaments.
A braiding layer 104 is arranged between the wear-resistant outer cladding layer 101 and the anti-retraction layer 102, the braiding layer 104 is made of bamboo charcoal fiber and polypropylene fiber high-strength fiber, and the polypropylene fiber high-strength fiber is hollow; the polypropylene high-strength fibers and the bamboo charcoal fibers are interwoven, and the sum of the number of the polypropylene high-strength fibers and the number of the bamboo charcoal fibers is 48-52.
The connecting assembly 2 comprises a first connector 201 and a second connector 202, a pressure control switch 203 is connected between the first connector 201 and the second connector 202 in a threaded manner, an electromagnetic valve 204 is fixedly installed in the first connector 201, the pressure control switch 203 is electrically connected with the electromagnetic valve 204, the first connector 201 is connected with one end of a hose body 1 in a threaded manner, the second connector 202 is connected with a fire water supply valve port in a threaded manner, the first connector 201 is fixedly connected with the second connector 202 through a clamping buckle, a clamping ring 207 is arranged at one end of the first connector 201, an annular clamping groove 208 matched with the clamping ring 207 is formed at one end of the second connector 202, a through groove 205 is formed at one end of the second connector 202, a sealing gasket 206 is arranged between the clamping ring 207 and the annular clamping groove 208, and when a fire water hose leaks, the electromagnetic valve 204 is controlled to be closed by the pressure control switch 203, so that the fire water supply state of the fire water supply valve port is controlled to be found out in time.
The manufacturing method of the fire hose comprises the following steps:
s1, braiding, wherein a fire hose braiding layer 104 uses bamboo charcoal fiber lines as warp yarns, uses polypropylene fiber high-strength fiber lines as weft yarns, and carries out alternate braiding on the warp yarns and the weft yarns;
s2, manufacturing an anti-retraction layer 102, wherein the anti-retraction layer 102 comprises a rubber layer, a polyester layer and a plastic layer, obliquely wound metal wires are arranged between the polyester layer and the rubber layer, the rubber layer and the polyester layer and between the plastic layer and the polyester layer are bonded through an adhesive layer, and the plastic layer is prepared by mixing polyvinyl chloride, cadmium stearate, nitrile rubber, calcium zinc stearate and barium stearate;
s3, heating, namely heating the mixed polyvinyl chloride, cadmium stearate, nitrile rubber, calcium zinc stearate and barium stearate to a temperature not exceeding 190 ℃;
s4, molding the water hose body 1, extruding the anti-retraction layer 102 into a mold after more than 30 minutes and no more than 45 minutes, cooling and molding the mold to be tubular, performing gum dipping treatment on the cooled tubular anti-retraction layer 102, flushing air into the tubular anti-retraction layer 102 to expand the tubular anti-retraction layer 102 to be matched with a tubular framework of the water hose body 1, then sleeving and fixing the wear-resistant outer cover layer 101, the anti-retraction layer 102, the reinforcing layer 103 and the weaving layer 104 in sequence, and finally performing drying and molding;
and S5, installing the connecting assembly 2, connecting one end of the formed water hose pipe body 1 with the first joint 201 in a threaded manner, and connecting the second joint 202 provided with the pressure control switch 203 with the first joint 201 in a threaded manner, so that the water hose pipe can be put into use.
The dipping layer obtained by the dipping treatment in the step S5 is a thin coating, the thickness of the thin coating is 0.02-0.05mm, the water hose body 1 in the step S4 comprises a steam vulcanization process, when vulcanization is carried out, steam is introduced into the pipe wall of the anti-retraction layer 102, the temperature of the pipe wall of the anti-retraction layer 102 is gradually increased to 150-160 ℃, the vulcanization time is not less than 5 minutes, and the steam pressure is 0.18+/-0.02 Mpa.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. The utility model provides a fire hose with from stopping water function, includes hosepipe body (1) and connects coupling assembling (2) between hosepipe body (1) one end and fire control water supply valve port, its characterized in that: the water hose body (1) comprises a wear-resistant outer wrapping layer (101), an anti-retraction layer (102) and a reinforcing layer (103), wherein the anti-retraction layer (102) and the reinforcing layer (103) are sequentially arranged inside the wear-resistant outer wrapping layer (101);
the connecting assembly (2) comprises a first connector (201) and a second connector (202), a pressure control switch (203) is connected between the first connector (201) and the second connector (202) in a threaded mode, an electromagnetic valve (204) is fixedly installed in the first connector (201), and the pressure control switch (203) is electrically connected with the electromagnetic valve (204);
the manufacturing method of the fire hose comprises the following steps:
s1, braiding, wherein a fire hose braiding layer (104) uses bamboo carbon fiber wires as warp yarns, uses polypropylene fiber high-strength fiber wires as weft yarns, and carries out alternate braiding on the warp yarns and the weft yarns;
s2, manufacturing an anti-retraction layer (102), wherein the anti-retraction layer (102) comprises a rubber layer, a polyester layer and a plastic layer, obliquely wound metal wires are arranged between the polyester layer and the rubber layer, the rubber layer and the polyester layer and between the plastic layer and the polyester layer are bonded through an adhesive layer, and the plastic layer comprises polyvinyl chloride, cadmium stearate, nitrile rubber, calcium zinc stearate and barium stearate which are mixed;
s3, heating, namely heating the mixed polyvinyl chloride, cadmium stearate, nitrile rubber, calcium zinc stearate and barium stearate to a temperature not exceeding 190 ℃;
s4, molding the water hose body (1), extruding the anti-retraction layer (102) into a mold after more than 30 minutes and no more than 45 minutes, cooling and molding the water hose body into a tube shape, performing gum dipping treatment on the cooled tube-shaped anti-retraction layer (102), flushing air into the tube-shaped anti-retraction layer (102) to enable the tube-shaped anti-retraction layer (102) to expand and coincide with a tube-shaped framework of the water hose body (1), then sequentially sleeving and fixing the wear-resistant outer cover layer (101), the anti-retraction layer (102), the reinforcing layer (103) and the braiding layer (104), and finally performing drying and molding;
s5, installing a connecting assembly (2), connecting one end of the formed water hose pipe body (1) with the first joint (201) in a threaded manner, and connecting a second joint (202) provided with a pressure control switch (203) with the first joint (201) in a threaded manner so as to be put into use.
2. The fire hose with self-stopping function according to claim 1, wherein: the wear-resistant outer wrapping layer (101) comprises a tubular belt blank and an outer wall rubber coating layer attached to the inner wall and the outer wall of the tubular belt blank, an outer wrapping layer is arranged on the outer side of the outer wall rubber coating layer, and the outer wrapping layer and an inner wrapping layer serving as the belt blank are formed by weaving high-strength aramid filaments.
3. A fire hose with self-stopping function according to claim 2, characterized in that: a braiding layer (104) is arranged between the wear-resistant outer cladding layer (101) and the anti-retraction layer (102), the braiding layer (104) is made of bamboo carbon fibers and polypropylene high-strength fibers, and the polypropylene high-strength fibers are hollow; the polypropylene high-strength fibers and the bamboo charcoal fibers are interwoven, and the sum of the number of the polypropylene high-strength fibers and the number of the bamboo charcoal fibers is 48-52.
4. A fire hose with self-stopping function according to claim 3, characterized in that: the fire-fighting hose is characterized in that the first connector (201) is in threaded connection with one end of the hose body (1), the second connector (202) is in threaded connection with the fire-fighting water supply valve port, and the first connector (201) is fixedly connected with the second connector (202) through a buckle.
5. The fire hose with self-stopping function according to claim 4, wherein: the novel sealing device is characterized in that a clamping ring (207) is arranged at one end of the first connector (201), an annular clamping groove (208) matched with the clamping ring (207) is formed at one end of the second connector (202), a through groove (205) is formed at one end of the second connector (202), and a sealing gasket (206) is arranged between the clamping ring (207) and the annular clamping groove (208).
6. The fire hose with self-stopping function according to claim 1, wherein: the gum dipping layer obtained by the gum dipping treatment in the step S5 is a thin coating layer, and the thickness of the thin coating layer is 0.02-0.05mm.
7. The fire hose with self-stopping function according to claim 1, wherein: and step S4, the water hose body (1) is molded by steam vulcanization, wherein during vulcanization, steam is introduced into the pipe wall of the anti-retraction layer (102), the pipe wall temperature of the anti-retraction layer (102) is gradually increased to 150-160 ℃, the vulcanization time is not less than 5 minutes, and the steam pressure is 0.18+/-0.02 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667807.0A CN113357426B (en) | 2021-06-16 | 2021-06-16 | Fire hose with self-stopping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667807.0A CN113357426B (en) | 2021-06-16 | 2021-06-16 | Fire hose with self-stopping function |
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| CN113357426B true CN113357426B (en) | 2023-09-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747841A (en) * | 2015-04-17 | 2015-07-01 | 张雪 | Liquid supply pipe butt joint device |
| CN109519615A (en) * | 2018-11-22 | 2019-03-26 | 泰州市三江消防器材有限公司 | A kind of preparation method of ultralight wear-resisting fire hose |
| US20190137012A1 (en) * | 2016-05-02 | 2019-05-09 | Daikin Industries, Ltd. | Fiber-reinforced composite material, laminate, pipe, riser pipe, and flow line |
| CN209892920U (en) * | 2019-02-28 | 2020-01-03 | 成毓有限公司 | Connecting water pipe structure of water supply connector of ice maker |
| CN210739461U (en) * | 2019-07-05 | 2020-06-12 | 上海永展机械电气有限公司 | High-pressure container valve for electric automobile fire extinguishing system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747841A (en) * | 2015-04-17 | 2015-07-01 | 张雪 | Liquid supply pipe butt joint device |
| US20190137012A1 (en) * | 2016-05-02 | 2019-05-09 | Daikin Industries, Ltd. | Fiber-reinforced composite material, laminate, pipe, riser pipe, and flow line |
| CN109519615A (en) * | 2018-11-22 | 2019-03-26 | 泰州市三江消防器材有限公司 | A kind of preparation method of ultralight wear-resisting fire hose |
| CN209892920U (en) * | 2019-02-28 | 2020-01-03 | 成毓有限公司 | Connecting water pipe structure of water supply connector of ice maker |
| CN210739461U (en) * | 2019-07-05 | 2020-06-12 | 上海永展机械电气有限公司 | High-pressure container valve for electric automobile fire extinguishing system |
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| CN113357426A (en) | 2021-09-07 |
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