CN110131485A - A kind of novel self-healing spiral suction hose - Google Patents
A kind of novel self-healing spiral suction hose Download PDFInfo
- Publication number
- CN110131485A CN110131485A CN201910445511.7A CN201910445511A CN110131485A CN 110131485 A CN110131485 A CN 110131485A CN 201910445511 A CN201910445511 A CN 201910445511A CN 110131485 A CN110131485 A CN 110131485A
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- Prior art keywords
- layer
- healing
- adhesive
- self
- suction hose
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Classifications
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- 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
- B29D23/001—Pipes; Pipe joints
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
-
- 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
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
- F16L9/128—Reinforced pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of novel self-healing spiral suction hoses, including barrel body, the barrel body includes external protection coating and interior protective layer, the inner wall of the external protection coating is bonded with outer casing play, and the surface bonding of interior protective layer has liner layer, the inner wall of the outer casing play is bonded with adhesive layer, and the present invention relates to water pipe technology fields.The novel self-healing spiral suction hose, when suction hose tube body is pierced or is scratched, internal viscosity material, which can encase the object penetrated, prevents gas leakage, when penetrating object and extracting, sizing material can be filled the notch of formation moment again, to realize the function being automatically repaired, compared to traditional rubber water absorbent pipe, the novel absorbent pipe production procedure is simple, weight is light, it is more convenient when use, in the scene of a fire, self-healing layer can play heat-insulated effect when high temperature, extend suction hose service life, sticky self-healing layer can guarantee that impaired suction hose being capable of normal use, without dismounting and change.
Description
Technical field
The present invention relates to water pipe technology field, specially a kind of novel self-healing spiral suction hose.
Background technique
Water pipe is the pipeline to supply water, and modern times finishing water pipe is all to use to bury wall construction, and there are three types of the classification of water pipe, first
Class is metal tube, such as hot dip cast iron pipe, copper pipe, the stainless steel tube of interior slush moulding material, and the second class is to mould multiple metal tube, such as moulds multiple steel
Pipe, aluminum plastic composite pipe etc., third class is plastic tube, and suction hose belongs to one kind of water pipe, is connect fire pump and water source defeated
Water pipe, straight pipe type fire-fighting water suction hose are made of inner glue layer, enhancement layer and outer glue-line, wherein inner glue layer is by water-fast natural or conjunction
It is formed at rubber, enhancement layer is made of textile material, has metal or other suitable materials (intensity requirement for meeting vacuum-resistant)
Helix, outer glue-line is made of natural or synthetic rubber, and outer surface can be corrugated, and outer vortex, spiral also can be selected
Line is also possible to other suitable materials, the structure of coiled fire-fighting water suction hose, internal diameter, sebific duct either metal
Line mass, resistance to hydrostatic pressure performance, vacuum-resistant performance etc. are identical as straight pipe type fire-fighting water suction hose.
Current rubber water absorbent pipe weight common on the market is very heavy, is easier to cause tube body during carrying or dragging
Damage, and once damage just can not continue to use existing rubber water absorbent pipe, and point can be usually encountered in actual use
The case where sharp thing thorn or scuffing lead to damage, very big waste is caused, is often needed when progress fire-fighting is speedily carried out rescue work or industrial and mineral drains
It races against time, and existing rubber water absorbent pipe is once damage and can only be replaced, it is cumbersome and delay the plenty of time, it can prolong
Accidentally the process of disaster relief and rescue, practicability are lower.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of novel self-healing spiral suction hose, rubber suction is solved
Water pipe heavier-weight, carry or delivery during cracky, and once damage and just can not continue to use, practicability is lower to ask
Topic.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of novel self-healing spiral water suction
Pipe, including barrel body, the barrel body include external protection coating and interior protective layer, the inner wall bonding of the external protection coating
There is outer casing play, and the surface bonding of interior protective layer has liner layer, the inner wall of the outer casing play is bonded with adhesive layer, and
The inner wall of adhesive layer is bonded with self-healing layer, the inner wall of the self-healing layer and the surface bonding of liner layer, the liner layer, from
Repair layer, adhesive layer and outer casing play belong to non-newtonian fluid at high temperature.
Preferably, the external protection coating includes tensile layer, and the surface of tensile layer has first to add by adhesive bonding
There is high-temperature-resistant layer on the surface of strong layer, first enhancement layer by adhesive bonding.
Preferably, there are wearing layer, and the surface spraying of wearing layer in the surface of the high-temperature-resistant layer by adhesive bonding
There is corrosion-inhibiting coating.
Preferably, first enhancement layer includes lateral reinforced wire and longitudinally reinforced silk, the transverse direction reinforced wire and longitudinal direction
Square crossing is arranged between reinforced wire.
Preferably, the interior protective layer includes waterproof layer, and the surface bonding of waterproof layer has the second enhancement layer.
Preferably, the production technology of novel self-healing spiral suction hose, specifically includes the following steps:
The preparation of S1, external protection coating: by high-temperature-resistant layer and wearing layer by adhesive high-temperature laminating, by lateral reinforced wire with
Longitudinally reinforced silk intersection high-temperature high-pressure, which is combined together, is made the first enhancement layer, and the first enhancement layer and high-temperature-resistant layer are then passed through bonding
Agent high-temperature laminating, and tensile layer and the first enhancement layer are obtained into external protection coating by adhesive high-temperature laminating；
The preparation of S2, interior protective layer: by waterproof layer and the second enhancement layer by adhesive high-temperature laminating, interior protection is obtained
Layer；
The preparation of S3, barrel body: liner layer, self-healing layer, adhesive layer and outer casing play are squeezed out at high temperature, then
Then the primary property composite molding on plug by liner layer, self-healing layer, adhesive layer and outer casing play passes through interior protective layer viscous
Mixture high-temperature laminating liner layer inner wall, and by external protection coating by adhesive high-temperature laminating on the surface of outer casing play, most
The corrosion-inhibiting coating on the surface even application of wearing layer afterwards.
(3) beneficial effect
The present invention provides a kind of novel self-healing spiral suction hoses.Have compared with prior art it is following the utility model has the advantages that
(1), the novel self-healing spiral suction hose is bonded with outer casing play by the inner wall of external protection coating, and interior anti-
The surface bonding of sheath has liner layer, and the inner wall of outer casing play is bonded with adhesive layer, and the inner wall of adhesive layer is bonded with and reviews one's lessons by oneself
Layer, the inner wall of self-healing layer and the surface bonding of liner layer are mended, liner layer, self-healing layer, adhesive layer and outer casing play are in high temperature
Under belong to non-newtonian fluid, when suction hose tube body be pierced or scratch when, internal viscosity material can encase the object penetrated
Gas leakage is prevented, sizing material can be filled the notch of formation moment again when penetrating object and extracting, thus what realization was automatically repaired
Function.
(2), the novel self-healing spiral suction hose, passes through the preparation of barrel body: at high temperature squeeze out liner layer, from
Repair layer, adhesive layer and outer casing play, then by liner layer, self-healing layer, adhesive layer and outer casing play on plug primary property
Then interior protective layer is passed through adhesive high-temperature laminating in the inner wall of liner layer, and external protection coating is passed through bonding by composite molding
Agent high-temperature laminating is on the surface of outer casing play, compared to traditional rubber water absorbent pipe, the novel self-healing spiral suction hose production procedure
Simply, weight is light, and when use is more convenient.
(3), the novel self-healing spiral suction hose includes tensile layer by external protection coating, and the surface of tensile layer is logical
Crossing adhesive bonding has the first enhancement layer, and the first enhancement layer includes lateral reinforced wire and longitudinally reinforced silk, lateral reinforced wire and vertical
It is arranged to square crossing between reinforced wire, interior protective layer includes waterproof layer, and the surface bonding of waterproof layer has the second enhancement layer,
In the scene of a fire, self-healing layer can play heat-insulated effect when high temperature, and interior protective layer can be improved the tough of suction hose with external protection coating
Property, it is not easy to break, extend suction hose service life.
(4), the novel self-healing spiral suction hose, is bonded with self-healing layer by the inner wall of adhesive layer, liner layer is reviewed one's lessons by oneself
It mends layer, adhesive layer and outer casing play and belongs to non-newtonian fluid at high temperature, sticky self-healing layer can guarantee impaired suction hose
Can normal use avoid and waste time in rescue and relief work without dismounting and change.
Detailed description of the invention
Fig. 1 is the perspective view of structure of the invention；
Fig. 2 is the partial sectional view of structure of the invention；
Fig. 3 is the partial sectional view of external protection coating structure of the present invention；
Fig. 4 is the schematic diagram of the first enhancement layer structure of the invention；
Fig. 5 is the partial sectional view of protective layer structure in the present invention.
In figure, 1 barrel body, 11 external protection coatings, 111 tensile layers, 112 first enhancement layers, 1121 lateral reinforced wires,
1122 longitudinally reinforced silks, 113 high-temperature-resistant layers, 114 wearing layers, 115 corrosion-inhibiting coatings, protective layer, 121 waterproof layers, 122 second in 12
Enhancement layer, 13 outer casing plays, 14 liner layers, 15 adhesive layers, 16 self-healing layers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of novel self-healing spiral suction hose, packet
Barrel body 1 is included, barrel body 1 includes external protection coating 11 and interior protective layer 12, and interior protective layer 12 includes waterproof layer 121,
Waterproof layer 121 can prevent water flow from immersing tubular body, and the surface bonding of waterproof layer 121 has the second enhancement layer 122, and second
Enhancement layer 122 is identical as the structure inside the first enhancement layer 112, and external protection coating 11 includes tensile layer 111, and tensile layer 111
Surface have the first enhancement layer 112 by adhesive bonding, the first enhancement layer 112 includes lateral reinforced wire 1121 and longitudinally reinforced
Silk 1122, square crossing is arranged between lateral reinforced wire 1121 and longitudinally reinforced silk 1122, and lateral reinforced wire 1121 adds with longitudinal
Strong silk 1122 can be improved the tear resistance of the suction hose, keep suction hose not tearable, and the surface of the first enhancement layer 112 passes through viscous
Mixture is bonded with high-temperature-resistant layer 113, and there are wearing layer 114,114 energy of wearing layer in the surface of high-temperature-resistant layer 113 by adhesive bonding
The wear-resisting property for enough improving suction hose prevents surface fracture during pulling, and the surface of wearing layer 114 is coated with anti-corrosion painting
Layer 115, corrosion-inhibiting coating 115 can prevent suction hose from being prolonged its service life by the corrosion of foreign object, the inner wall of external protection coating 11
It is bonded with outer casing play 13, and the surface bonding of interior protective layer 12 has liner layer 14, the inner wall of outer casing play 13 is bonded with viscous
Layer 15 is tied, and the inner wall of adhesive layer 15 is bonded with self-healing layer 16, self-healing layer 16 has certain viscosity, it is ensured that by
Damage suction hose can normal use, be not necessarily to dismounting and change, save the time for rescue and relief work, and self-healing layer 16 is in scene of a fire high temperature
Heat-insulated effect can be played, when suction hose tube body is pierced or is scratched, internal viscosity material can encase the object penetrated
Gas leakage is prevented, sizing material can be filled the notch of formation moment again when penetrating object and extracting, thus what realization was automatically repaired
Function, the inner wall of self-healing layer 16 and the surface bonding of liner layer 14, liner layer 14, self-healing layer 16, adhesive layer 15 and dermoskeleton
Rack-layer 13 belongs to non-newtonian fluid at high temperature, and non-newtonian fluid refers to the fluid for being unsatisfactory for newton stickiness experimental laws, i.e.,
It is not the fluid of linear relationship between its shear stress and shear strain rate.
In the present invention, the production technology of novel self-healing spiral suction hose, specifically includes the following steps:
The preparation of S1, external protection coating 11:, will be lateral by high-temperature-resistant layer 113 and wearing layer 114 by adhesive high-temperature laminating
Reinforced wire 1121, which with longitudinally reinforced silk 1122 intersects high-temperature high-pressure and is combined together, is made the first enhancement layer 112, then reinforces first
Layer 112 and high-temperature-resistant layer 113 pass through adhesive height by adhesive high-temperature laminating, and by tensile layer 111 and the first enhancement layer 112
Temperature and pressure close, and obtain external protection coating 11；
The preparation of S2, interior protective layer 12: it by waterproof layer 121 and the second enhancement layer 122 by adhesive high-temperature laminating, obtains
Interior protective layer 12；
The preparation of S3, barrel body 1: liner layer 14, self-healing layer 16, adhesive layer 15 and outer skeleton are squeezed out at high temperature
Layer, the then primary property composite molding on plug by liner layer 14, self-healing layer 16, adhesive layer 15 and outer casing play 13, then
Interior protective layer 12 is passed through into adhesive high-temperature laminating in the inner wall of liner layer 14, and external protection coating 11 is passed through into adhesive high-temperature high-pressure
It closes on the surface of outer casing play 13, finally the corrosion-inhibiting coating 115 on the surface even application of wearing layer 114.
Because liner layer 14, self-healing layer 16, adhesive layer 15 and outer casing play 13 belong to non-newtonian fluid at high temperature, tool
Have very high fluid viscosity, after the extrusion can smooth composite molding without increasing other attaching and compacting process work as suction hose
When tube body is pierced or scratches, internal viscosity material, which can encase the object penetrated, prevents gas leakage, the glue when penetrating object and extracting
Material can be filled the notch of formation moment again, to realize the function being automatically repaired.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of novel self-healing spiral suction hose, including barrel body (1), the barrel body (1) includes outer protection
Layer (11) and interior protective layer (12), it is characterised in that: the inner wall of the external protection coating (11) is bonded with outer casing play (13), and
The surface bonding of interior protective layer (12) has liner layer (14), and the inner wall of the outer casing play (13) is bonded with adhesive layer (15), and
And the inner wall of adhesive layer (15) is bonded with self-healing layer (16), the inner wall of the self-healing layer (16) and the surface of liner layer (14)
Bonding, the liner layer (14), self-healing layer (16), adhesive layer (15) and outer casing play (13) belong to non newtonian at high temperature
Fluid.
2. a kind of novel self-healing spiral suction hose according to claim 1, it is characterised in that: the external protection coating (11)
Including tensile layer (111), and the surface of tensile layer (111) has the first enhancement layer (112) by adhesive bonding, and described first
The surface of enhancement layer (112) has high-temperature-resistant layer (113) by adhesive bonding.
3. a kind of novel self-healing spiral suction hose according to claim 2, it is characterised in that: the high-temperature-resistant layer
(113) surface has wearing layer (114) by adhesive bonding, and the surface of wearing layer (114) is coated with corrosion-inhibiting coating
(115)。
4. a kind of novel self-healing spiral suction hose according to claim 2, it is characterised in that: first enhancement layer
It (112) include lateral reinforced wire (1121) and longitudinally reinforced silk (1122), the transverse direction reinforced wire (1121) and longitudinally reinforced silk
(1122) square crossing is arranged between.
5. a kind of novel self-healing spiral suction hose according to claim 1, it is characterised in that: the interior protective layer (12)
Surface bonding including waterproof layer (121), and waterproof layer (121) has the second enhancement layer (122).
6. a kind of novel self-healing spiral suction hose described in -5 any one according to claim 1, it is characterised in that: it is produced
Technique specifically includes the following steps:
The preparation of S1, external protection coating (11):, will be horizontal by high-temperature-resistant layer (113) and wearing layer (114) by adhesive high-temperature laminating
With longitudinally reinforced silk (1122) intersect high-temperature high-pressure to reinforced wire (1121) and be combined together and the first enhancement layer (112) are made, then will
First enhancement layer (112) and high-temperature-resistant layer (113) are by adhesive high-temperature laminating, and by tensile layer (111) and the first enhancement layer
(112) by adhesive high-temperature laminating, external protection coating (11) are obtained；
The preparation of S2, interior protective layer (12): it by waterproof layer (121) and the second enhancement layer (122) by adhesive high-temperature laminating, obtains
To interior protective layer (12)；
The preparation of S3, barrel body (1): at high temperature squeeze out liner layer (14), self-healing layer (16), adhesive layer (15) and outside
Casing play, then by liner layer (14), self-healing layer (16), adhesive layer (15) and outer casing play (13), primary property is multiple on plug
Synthesis type, the then inner wall by interior protective layer (12) by adhesive high-temperature laminating in liner layer (14), and by external protection coating
(11) by adhesive high-temperature laminating on the surface of outer casing play (13), finally on the surface even application of wearing layer (114)
Corrosion-inhibiting coating (115).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445511.7A CN110131485B (en) | 2019-05-27 | 2019-05-27 | Self-repairing spiral water suction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445511.7A CN110131485B (en) | 2019-05-27 | 2019-05-27 | Self-repairing spiral water suction pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131485A true CN110131485A (en) | 2019-08-16 |
| CN110131485B CN110131485B (en) | 2021-04-13 |
Family
ID=67581987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910445511.7A Active CN110131485B (en) | 2019-05-27 | 2019-05-27 | Self-repairing spiral water suction pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131485B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111732770A (en) * | 2020-06-12 | 2020-10-02 | 中裕软管科技股份有限公司 | Rubber hose and manufacturing method thereof |
| CN111895187A (en) * | 2020-06-11 | 2020-11-06 | 南通鑫拓封头制造有限公司 | Novel self-repairing corrugated pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130284299A1 (en) * | 2010-12-31 | 2013-10-31 | Nicholas Clancy Schooley | Rfid and product labelling integrated in knit composite tubes for fluid delivery system |
| CN203715556U (en) * | 2014-02-13 | 2014-07-16 | 江苏宝力泰新材料科技有限公司 | Heat contraction band comprising viscoelastic adhesive and hot melt adhesive |
| CN105650406A (en) * | 2016-03-08 | 2016-06-08 | 中冶南方工程技术有限公司 | Corrosion prevention method for outer wall of gas pipeline |
| CN207093964U (en) * | 2017-06-26 | 2018-03-13 | 杭州纳宇科技有限公司 | A kind of fire extinguisher canvas hose |
| CN109676981A (en) * | 2019-01-22 | 2019-04-26 | 中裕软管科技股份有限公司 | A kind of novel transparent spiral suction hose production technology |
-
2019
- 2019-05-27 CN CN201910445511.7A patent/CN110131485B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130284299A1 (en) * | 2010-12-31 | 2013-10-31 | Nicholas Clancy Schooley | Rfid and product labelling integrated in knit composite tubes for fluid delivery system |
| CN203715556U (en) * | 2014-02-13 | 2014-07-16 | 江苏宝力泰新材料科技有限公司 | Heat contraction band comprising viscoelastic adhesive and hot melt adhesive |
| CN105650406A (en) * | 2016-03-08 | 2016-06-08 | 中冶南方工程技术有限公司 | Corrosion prevention method for outer wall of gas pipeline |
| CN207093964U (en) * | 2017-06-26 | 2018-03-13 | 杭州纳宇科技有限公司 | A kind of fire extinguisher canvas hose |
| CN109676981A (en) * | 2019-01-22 | 2019-04-26 | 中裕软管科技股份有限公司 | A kind of novel transparent spiral suction hose production technology |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895187A (en) * | 2020-06-11 | 2020-11-06 | 南通鑫拓封头制造有限公司 | Novel self-repairing corrugated pipe |
| CN111895187B (en) * | 2020-06-11 | 2021-10-01 | 南通鑫拓封头制造有限公司 | Self-repairing corrugated pipe |
| CN111732770A (en) * | 2020-06-12 | 2020-10-02 | 中裕软管科技股份有限公司 | Rubber hose and manufacturing method thereof |
| CN111732770B (en) * | 2020-06-12 | 2021-09-21 | 中裕软管科技股份有限公司 | Rubber hose and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131485B (en) | 2021-04-13 |
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