CN206738759U - The telescopic flexible pipe of angular thread structure - Google Patents
The telescopic flexible pipe of angular thread structure Download PDFInfo
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- CN206738759U CN206738759U CN201720454012.0U CN201720454012U CN206738759U CN 206738759 U CN206738759 U CN 206738759U CN 201720454012 U CN201720454012 U CN 201720454012U CN 206738759 U CN206738759 U CN 206738759U
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- layer body
- flexible pipe
- angular thread
- internal layer
- thread structure
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Abstract
The utility model provides a kind of telescopic flexible pipe of angular thread structure, including the internal layer body and outer layer body formed by elastomeric material, the inwall of outer layer body and the wall contacts of internal layer body, connected by high pressure heat seal, the internal layer body is fixed to the skeleton structure of angular thread in extrusion molding.The angle β formed between the side and flexible pipe axis of the angular thread is 95 ° 115 °, and flexible pipe has best stretching ratio and elastic recovery.Its is simple in construction, and scalability is high, resilience is high, and anti-torsion, anti-folding endurance can be good, and can keep enough outputs in the different hydraulic pressure environment of height.By being angular thread structure by internal layer body shaping structures, it can show and improve the inside and outside anti-pressure ability of garden hoses and maximum elongation multiplying power.Simultaneously because using angular thread structure, material is greatlyd save, compared with the PVC hose of equivalent specifications, weight have dropped 30%.
Description
Technical field
It the utility model is related to technical field of hoses, and in particular to a kind of anti-twisting, anti-folding, elastomeric scalable garden
Flexible pipe.
Background technology
In the vegetal cover region such as garden, greenery patches, it is required to pour crops or plant sprinkling using water pipe, such
The water pipe of type is commonly referred to as garden hoses.In the market conventional scalable garden hoses be internal layer using imitative latex or
TPR, TPE elastomeric material, outer layer are woven into the structure of line set using polyester thread, and the work of the Telescopic flexible pipe of this structure is former
Reason is after flexible pipe connects tap, and in the effect bottom hose bore increase of high hydraulic pressure, body extends and protected by outer braid naturally
Set is fixed to ensure enough calibers and length water flowing, after laying down hydraulic pressure, shrinks body by the resilience of inner-layer hose material.
The garden hoses of this structure have the advantages that scalable, small volume is easily contained, but there is also bearing capacity not enough,
Easily broken pipe, yielding, band set easily scratch, leak, it is easy to break the defects of, influence the service life of garden hoses, and in low pressure water supply
Because pressure is inadequate in environment, the original small caliber of internal layer can not be expanded to the bore of normal use, cause flexible pipe output not
The problem of causing to influence to use enough.
Utility model content
In order to solve the above problems, the utility model provides a kind of telescopic flexible pipe of angular thread structure, pass through by
Internal layer body shaping structures are angular thread structure, can show and improve the inside and outside anti-pressure ability of garden hoses and maximum elongation multiplying power.
Simultaneously because using angular thread structure, material is greatlyd save, compared with the PVC hose of equivalent specifications, weight have dropped
30%.Its is simple in construction, and scalability is high, resilience is high, and anti-torsion, anti-folding endurance can be good, and in the different hydraulic pressure environment of height
Enough outputs can be kept.
In order to solve the above problems, the utility model is realized by following technical solution.
The telescopic flexible pipe of angular thread structure, including the internal layer body and outer layer body formed by elastomeric material, outside
The wall contacts of the inwall and internal layer body of layer body, are connected, the internal layer body is determined in extrusion molding by high pressure heat seal
Type is the skeleton structure of angular thread.
Further, the angle β formed between the side and flexible pipe axis of the angular thread is 95 ° -115 °.Angle β
It is because under the angle of thread, flexible pipe has best stretching ratio and elastic recovery to be arranged to 95 ° -115 °.Enter one
Step, it is generally the case that the thread form angle α of the utility model angular thread is arranged to 10 ° -25 °, and the setting with angle β is mutually applicable.
Further, the pitch d of the angular thread is 1-5mm.The pitch d for selecting the angular thread is 1-5mm, Ke Yiqu
Obtain preferable stretching ratio.It is preferably TPE and/or TPV material, internal layer body material in outer layer body material in the technical program
Material is preferably HDPE and/or PP materials, and the angle β formed between the side of angular thread one and flexible pipe axis is 105 °, pitch d is
During 3.5mm, there is 2.5 times of maximum stretching ratio and optimal recoverability.
Wherein internal layer body is made by the HDPE and/or PP of high intensity by extruder plasticizing extrusion and by corrugation forming machine
Type, and angular thread structure is made by pipe reduction device sizing, the angular thread structure inner tube skeleton can improve inside and outside resistance to compression energy
Enough bores are also provided outside power without influenceing output, ensure enough telescopic moving spaces；Simultaneously because using angular thread
Structure, material is greatlyd save, compared with equivalent specifications PVC hose, in light weight 30%.
Further, the outer wall of the outer layer body is smooth outer surface.Outer layer body uses wear-resisting elastomeric TPE material
Smooth outer surface is made and replaces traditional mesh grid jacket layer, makes flexible pipe be not easy to scratch using body in the outdoor environment of brambles
And influence the service life of flexible pipe.
Plasticizing and extrusion of the outer layer by extruder, have using TPE and/or TPV high under high temperature viscometrics and normal temperature state
The characteristic of elasticity, by TPE and/or TPV material firmly coated on internal layer HDPE and/or PP angular thread outer surface, make inside and outside
Layer body forms elasticity and the high entirety of intensity, so substantially increases the anti-twist and flexural capacity of flexible pipe.
Further, after body water flowing, under water pressure pushing, the internal layer body maximum development length is its own 2.5
Times.
Further, when laying down the hydraulic pressure in inner tube body, state that flexible pipe is returned back to before original water flowing, realization is stretched automatically
Contracting.
Further, the first connector is also included（Not shown in figure）, it is fixed to the internal layer body and the outer tube
The first end of body；With the second connector（Not shown in figure）, it is fixed to the second end of the internal layer body and the outer layer body.
Further, in addition to water flow controller（Not shown in figure）, the first of the internal layer body and the outer layer body
End flexible pipe passes through the first connector（Not shown in figure）It is connected with water source, the water flow controller（Not shown in figure）Pass through second
Connector（Not shown in figure）It is connected with the second end flexible pipe of internal layer body and the outer layer body.
Further, the water flow controller（Not shown in figure）Including nozzle and control valve, the control valve open and close, adjust
Water stream size.
Further, first connector（Not shown in figure）, the second connector（Not shown in figure）, water flow controller
（Not shown in figure）It is commercially available prod, for disclosed prior art products.
The beneficial effects of the utility model are：The utility model provides a kind of telescopic flexible pipe of angular thread structure,
Its is simple in construction, and scalability is high, resilience is high, and anti-torsion, anti-folding endurance can be good, and can in the different hydraulic pressure environment of height
Enough keep enough outputs.
By being angular thread structure by internal layer body shaping structures, it can show and improve the inside and outside anti-pressure ability of garden hoses
With maximum elongation multiplying power.Simultaneously because using angular thread structure, material is greatlyd save, the PVC hose phase with equivalent specifications
Than weight have dropped 30%.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described：
Fig. 1 is the axial sectional view of the utility model flexible pipe；
Fig. 2 is the utility model angular thread structural representation.
In figure：1- outer layer bodys；2- internal layer bodys；3- angular threads；4- first ends；The ends of 5- second.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model solves are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example does not limit the utility model only to explain the utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, are integrally connected or detachably connected
Connect；Can be mechanical connection or electrical connection or the connection of two element internals；Can be joined directly together, can also lead to
Cross intermediary to be indirectly connected, for the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning.
The telescopic flexible pipe of angular thread structure, including the internal layer body 2 and outer layer body 1 formed by elastomeric material,
The inwall of outer layer body 1 and the wall contacts of internal layer body 2, are connected, the internal layer body is in extrusion molding by high pressure heat seal
When be fixed to the skeleton structure of angular thread 3.The angle β formed between the side and flexible pipe axis of angular thread 3 be 95 °-
115 °, under the angle of thread, flexible pipe has best stretching ratio and elastic recovery.As the pitch d of the angular thread 3
For 1-5mm, preferable stretching ratio can be obtained.In the utility model, the material of outer layer body 1 be preferably TPE and/or TPV,
The material of internal layer body 2 is preferably HDPE and/or PP materials, and the angle β formed between the side of angular thread 3 one and flexible pipe axis is
105 °, pitch d be 3.5mm, the thread form angle α of angular thread is arranged to 10 ° -25 °, the setting phase where applicable with angle β, have most
2.5 times of big stretching ratio and optimal recoverability.
Internal layer body 2 by extruder plasticizing extrusion and passes through ripple forming machine modeling by the HDPE and/or PP of high intensity,
And the structure of angular thread 3 is made by pipe reduction device sizing, the structure inner tube skeleton of angular thread 3 can improve inside and outside resistance to compression energy
Outside power, enough bores are also provided without influenceing output, ensure enough telescopic moving spaces；Simultaneously because using triangle spiral shell, 3
Structure, material is greatlyd save, compared with equivalent specifications PVC hose, in light weight 30%.
The outer wall of the outer layer body 1 is smooth outer surface.Outer layer body 1 uses wear-resisting elastomeric TPE and/or TPV
Material is made smooth outer surface and replaces traditional mesh grid jacket layer, flexible pipe is used in the outdoor environment of brambles, and body is not yet
Easily scratch and influence the service life of flexible pipe.
After flexible pipe water flowing, the angular thread 3 of internal layer moves forward under the promotion of hydraulic pressure, realizes that body extends, maximum is prolonged
Elongation is 2.5 times of former body.After hydraulic pressure is laid down, because the resilience of outer layer body 1 and the elastic material of internal layer body 2 is made
Under, body, which shrinks, is returned to the state before original water flowing, makes to realize automatic telescopic function to body.
As extension of the present utility model, the flexible pipe of this angular thread framework also includes the first connector（Do not show in figure
Go out）, it is fixed to the first end 4 of internal layer body 2 and outer layer body 1；With the second connector（Not shown in figure）, it is fixed to inner tube
Second end 5 of body 2 and outer layer body 1.
Further expanded as of the present utility model, the flexible pipe of this angular thread framework, in addition to water flow controller（In figure
It is not shown）, the first end 4 of the internal layer body 2 and the flexible pipe of outer layer body 1 passes through the first connector（Not shown in figure）With
Water source is connected, the water flow controller（Not shown in figure）Pass through the second connector（Not shown in figure）With internal layer body 2 and institute
The second end 5 for stating the flexible pipe of outer layer body 1 is connected.
Further expand, the water flow controller（Not shown in figure）Including nozzle and control valve, the control valve opens,
Close, regulation current size.First connector（Not shown in figure）, the second connector（Not shown in figure）, water flow controller
（Not shown in figure）It is commercially available prod.
The test of the utility model patent product conventional performance index is as follows：
The conventional performance index requirement of product
| Project | Conventional index | Angular thread angle β is arranged to 145 ° |
| Outward appearance | Free from admixture, smooth in appearance, uniform wall thickness, mouth of pipe circle | Free from admixture, smooth in appearance, uniform wall thickness, mouth of pipe circle |
| Feel | With similar to rubber soft feel | With similar to rubber soft feel |
| Bore | ±0.2mm | ±0.2mm |
| Elongation at break, % | ≧200 | ≤150 |
| Burst strength：BAR | ≧10 | ≤8 |
| - 30 ° of X2H drop hammer test | Do not crush, it is flawless | Do not crush, slight slight crack |
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Made any modification, equivalent substitution etc., should be included in guarantor of the present utility model within the spirit and principle of utility model
Within the scope of shield.
Claims (8)
1. the telescopic flexible pipe of angular thread structure, it is characterised in that：Including the internal layer body that is formed by elastomeric material with it is outer
Layer body, the inwall of outer layer body and the wall contacts of internal layer body, are connected, the internal layer body is being extruded by high pressure heat seal
The skeleton structure of angular thread is fixed to during shaping.
2. the telescopic flexible pipe of angular thread structure according to claim 1, it is characterised in that：The one of the angular thread
The angle β formed between side and flexible pipe axis is 95 ° -115 °.
3. the telescopic flexible pipe of angular thread structure according to claim 2, it is characterised in that：The spiral shell of the angular thread
It is 1-5mm away from d.
4. the telescopic flexible pipe of angular thread structure according to claim 3, it is characterised in that：Outside the outer layer body
Wall is smooth outer surface.
5. the telescopic flexible pipe of angular thread structure according to claim any one of 1-4, it is characterised in that：Body water flowing
Afterwards, under water pressure pushing, the internal layer body maximum development length is its own 2.5 times.
6. the telescopic flexible pipe of angular thread structure according to claim 5, it is characterised in that：Also include the first connection
Device, the first end of fixed internal layer body and outer layer body；With the second connector, the second of internal layer body and outer layer body is fixed to
End.
7. the telescopic flexible pipe of angular thread structure according to claim 6, it is characterised in that：Also include flow cavitation result
The first end of device, the internal layer body and the outer layer body is connected by the first connector with water source, the water flow controller
It is connected by the second connector with the second end of internal layer body and the outer layer body.
8. the telescopic flexible pipe of angular thread structure according to claim 7, it is characterised in that：The water flow controller bag
Include nozzle and control valve, the control valve open and close, regulation current size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454012.0U CN206738759U (en) | 2017-04-26 | 2017-04-26 | The telescopic flexible pipe of angular thread structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720454012.0U CN206738759U (en) | 2017-04-26 | 2017-04-26 | The telescopic flexible pipe of angular thread structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738759U true CN206738759U (en) | 2017-12-12 |
Family
ID=60562386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720454012.0U Active CN206738759U (en) | 2017-04-26 | 2017-04-26 | The telescopic flexible pipe of angular thread structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979390A (en) * | 2017-04-26 | 2017-07-25 | 开平市宝来塑胶制品有限公司 | The telescopic flexible pipe of angular thread structure |
| CN109651731A (en) * | 2018-12-11 | 2019-04-19 | 秦栋栋 | A kind of bellows and preparation method thereof |
-
2017
- 2017-04-26 CN CN201720454012.0U patent/CN206738759U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979390A (en) * | 2017-04-26 | 2017-07-25 | 开平市宝来塑胶制品有限公司 | The telescopic flexible pipe of angular thread structure |
| CN106979390B (en) * | 2017-04-26 | 2023-10-13 | 开平市宝来塑胶制品有限公司 | Telescopic hose with triangular thread structure |
| CN109651731A (en) * | 2018-12-11 | 2019-04-19 | 秦栋栋 | A kind of bellows and preparation method thereof |
| CN109651731B (en) * | 2018-12-11 | 2021-04-30 | 秦栋栋 | Telescopic hose and preparation method thereof |
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