CN105736868A - Connection structure of plastic steel winding pipe - Google Patents
Connection structure of plastic steel winding pipe Download PDFInfo
- Publication number
- CN105736868A CN105736868A CN201610227762.4A CN201610227762A CN105736868A CN 105736868 A CN105736868 A CN 105736868A CN 201610227762 A CN201610227762 A CN 201610227762A CN 105736868 A CN105736868 A CN 105736868A
- Authority
- CN
- China
- Prior art keywords
- plastic
- steel
- wound pipe
- eav
- spirally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a connection structure of a plastic steel winding pipe. The connection structure comprises a stainless steel cutting sleeve, an EAV foaming board, a rubber sleeve and plastic sealing blocks, wherein the plastic sealing blocks are arranged between vertical steel bands of the connected parts of the plastic steel winding pipe, and the stainless steel cutting sleeve is connected by adopting bolts; the stainless steel cutting sleeve, the EAV foaming board and the rubber sleeve are stacked in sequence and sleeve the outer side of the connected end of the plastic steel winding pipe; a cellular structure of the EAV foaming board is an avoidance hole structure, the foaming ratio is 5 to 15, and the density is 0.2 to 03 ton/cubic meter. According to the connection structure, a foaming rubber board of a traditional connection structure is replaced by adopting EVA foaming materials with low density and high foaming ratio, so that the fastening pressure of a stainless steel clamp is uniformly transferred, and the defects of environmental pollution and high cost of the foaming rubber board are overcome; the plastic sealing blocks are symmetrically arranged between the vertical steel bands of the plastic steel winding pipe, so that the deformation of the connected end of the plastic steel winding pipe due to uneven stress after the connection structure of the stainless steel clamp is installed is reduced.
Description
Technical field
The present invention relates to a kind of structure connected for plastic-steel spirally-wound pipe.
Background technology
It is the modal connected mode of plastic-steel spirally-wound pipe that stainless steel lathe dog connects.As shown in Figure 1, traditional stainless steel lathe dog connects to include stacking gradually and is sleeved on rustless steel cutting ferrule 11 outside plastic-steel spirally-wound pipe 100, bipeltate plate 12, plastic cement sealing block 14 between rubber sleeve 13 and the vertical steel band being arranged on plastic-steel spirally-wound pipe 100, and rustless steel cutting ferrule 11 bolt 15 connects.Wherein, bipeltate plate 12 is the parts that outermost is crucial, its Main Function is to ensure that the lock ring pressure of stainless steel lathe dog 11 is delivered evenly on the vertical steel band outer of plastic-steel spirally-wound pipe 100, eliminates that end surface out-of-flatness, muscle sheet be highly non-uniform and the factor impact on sealing property such as ovality.
Traditional stainless steel lathe dog attachment structure has following defects that firstly, since bipeltate plate density is high, causes that cost is high, and when expansion ratio raising is made decrease in density, its performance indications often do not reach requirement；Secondly, bipeltate plate belongs to not environmentally material, and its use will cause environmental pollution；Its three, bipeltate plate price, cause tradition stainless steel lathe dog attachment structure relatively costly.
Summary of the invention
The technical problem to be solved in the present invention is in that, it is provided that a kind of plastic-steel-wound pipe connecting structure, overcomes that the lock ring pressure transmission that tradition stainless steel lathe dog attachment structure exists is uneven, contaminated environment, high in cost of production defect.
The technical solution adopted for the present invention to solve the technical problems is: a kind of plastic-steel-wound pipe connecting structure of structure, including rustless steel cutting ferrule, rubber sleeve, the plastic cement sealing block that is arranged between the vertical steel band of plastic-steel spirally-wound pipe connected portion, rustless steel cutting ferrule is with bolts；
It is characterized in that, also include EAV foamed board, described rustless steel cutting ferrule, EAV foamed board and rubber sleeve stack gradually and are sleeved on the connected end outside of plastic-steel spirally-wound pipe；
The foam structure of described EAV foamed board is for keeping away pore structure, and expansion ratio is 5～15, and density is 0.2～03 ton/cubic metre.
In the plastic-steel-wound pipe connecting structure of the present invention, described plastic cement sealing block is relative to plastic-steel spirally-wound pipe connected end end face, being symmetrical arranged between the vertical steel band of plastic-steel spirally-wound pipe, plastic-steel spirally-wound pipe is connected the described plastic cement sealing block of end and arranges scope sum be more than or equal to a circle.
In the plastic-steel-wound pipe connecting structure of the present invention, the vertical steel band of described plastic-steel spirally-wound pipe is harassed and disturbed by bifilar helix, is connected between the vertical steel band of end at described plastic-steel spirally-wound pipe and is respectively provided with plastic cement sealing block.
In the plastic-steel-wound pipe connecting structure of the present invention, the expansion ratio of described EAV foamed board is 8～12.
In the plastic-steel-wound pipe connecting structure of the present invention, the expansion ratio of described EAV foamed board is 9～10.
Implementing the plastic-steel-wound pipe connecting structure of the present invention, compared with the prior art, it provides the benefit that:
1, adopt low-density, the EVA expanded material of high foaming rate substitutes the bipeltate plate of conventional attachment structure, under suitable frothing percentage and expansion density, produces good elasticity, hardness and hot strength, it is achieved uniformly transferring of stainless steel lathe dog lock ring pressure；Simultaneously EVA expanded material is environmentally-friendly plastic expanded material, and cost is only the 40% of bipeltate foamed board, overcomes bipeltate plate contaminated environment, defect that cost is high；
2, plastic cement sealing block is symmetrical arranged between the vertical steel band of plastic-steel spirally-wound pipe, it is ensured that the symmetry of plastic-steel spirally-wound pipe connected portion force structure, reduces plastic-steel spirally-wound pipe after stainless steel lathe dog attachment structure is installed and be connected the deformation held because unbalance stress produces.
Accompanying drawing explanation
Fig. 1 is the half sectional view of traditional plastic-steel spirally-wound pipe stainless steel lathe dog attachment structure.
Fig. 2 is the half sectional view of a kind of embodiment of plastic-steel-wound pipe connecting structure of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 2, the plastic-steel-wound pipe connecting structure of the present invention includes rustless steel cutting ferrule 11, EAV (ethylene-vinylacetatecopolymer ethylene-vinyl acetate copolymer) foamed board 22, rubber sleeve 13, the plastic cement sealing block 14 that is arranged between the vertical steel band of plastic-steel spirally-wound pipe 100 connected portion, and rustless steel cutting ferrule adopts bolt 15 to connect.
Rustless steel cutting ferrule 11, EAV foamed board 22 and rubber sleeve 13 stack gradually and are sleeved on the connected end outside of plastic-steel spirally-wound pipe 100.
Ensureing that the foam structure of EAV foamed board is for keeping away pore structure, expansion ratio is between 5～15, and density domination is between 0.2～03 ton/cubic metre.
The experiment proved that, EAV foamed board expansion ratio is too high, and foamed board hot strength, hardness and tension fracture elongation rate can decline, and do not reach requirement；As expansion ratio is too low, although improving foamed board intensity and draftability, but foamed board hardness is too high, elasticity is too poor, it is unfavorable for sealing, connection request can not be met.
In experiment, EAV foamed board expansion ratio adopts 5,8,9,10,12,13,15, all disclosure satisfy that the connection mechanical property requirements of plastic-steel spirally-wound pipe stainless steel lathe dog attachment structure, and wherein, frothing percentage adopts and connects mechanical performance the best when 9,10,12.
In order to improve plastic-steel spirally-wound pipe connected portion structure stress effect, by the plastic cement sealing block 14 connected end end face relative to plastic-steel spirally-wound pipe 100, it is symmetrical arranged between the vertical steel band of plastic-steel spirally-wound pipe 100, it is ensured that plastic-steel spirally-wound pipe is connected the scope that the arranges sum of the plastic cement sealing block 14 of end be more than or equal to a circle.
When the vertical steel band of plastic-steel spirally-wound pipe is harassed and disturbed by single conchoid, the scope that arranges of plastic cement sealing block 14 is be more than or equal to continuous print one circle.When the vertical steel band of plastic-steel spirally-wound pipe is harassed and disturbed by bifilar helix, between the vertical steel band of the connected end of plastic-steel spirally-wound pipe 100, it is respectively provided with plastic cement sealing block 14, to ensure that the scope that the arranges sum of plastic cement sealing block 14 is be more than or equal to a circle.
Claims (5)
1. a plastic-steel-wound pipe connecting structure, including rustless steel cutting ferrule, rubber sleeve, the plastic cement sealing block that is arranged between the vertical steel band of plastic-steel spirally-wound pipe connected portion, rustless steel cutting ferrule is with bolts；
It is characterized in that, also include EAV foamed board, described rustless steel cutting ferrule, EAV foamed board and rubber sleeve stack gradually and are sleeved on the connected end outside of plastic-steel spirally-wound pipe；
The foam structure of described EAV foamed board is for keeping away pore structure, and expansion ratio is 5～15, and density is 0.2～03 ton/cubic metre.
2. plastic-steel-wound pipe connecting structure as claimed in claim 1, it is characterized in that, described plastic cement sealing block is relative to plastic-steel spirally-wound pipe connected end end face, being symmetrical arranged between the vertical steel band of plastic-steel spirally-wound pipe, plastic-steel spirally-wound pipe is connected the described plastic cement sealing block of end and arranges scope sum be more than or equal to a circle.
3. plastic-steel-wound pipe connecting structure as claimed in claim 2, it is characterised in that the vertical steel band of described plastic-steel spirally-wound pipe is harassed and disturbed by bifilar helix, is connected between the vertical steel band of end at described plastic-steel spirally-wound pipe and is respectively provided with plastic cement sealing block.
4. the plastic-steel-wound pipe connecting structure as described in one of claims 1 to 3, it is characterised in that the expansion ratio of described EAV foamed board is 8～12.
5. the plastic-steel-wound pipe connecting structure as described in one of claims 1 to 3, it is characterised in that the expansion ratio of described EAV foamed board is 9～10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227762.4A CN105736868A (en) | 2016-04-13 | 2016-04-13 | Connection structure of plastic steel winding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610227762.4A CN105736868A (en) | 2016-04-13 | 2016-04-13 | Connection structure of plastic steel winding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736868A true CN105736868A (en) | 2016-07-06 |
Family
ID=56255169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610227762.4A Pending CN105736868A (en) | 2016-04-13 | 2016-04-13 | Connection structure of plastic steel winding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736868A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438489A (en) * | 2016-12-14 | 2017-02-22 | 宜兴市灵谷塑料设备有限公司 | Water pump outlet connection seal device |
| CN107524874A (en) * | 2017-09-19 | 2017-12-29 | 无锡市交通工程有限公司 | The connector Seepage method of HDPE plastic-steel spirally-wound pipes |
| CN109780356A (en) * | 2019-03-14 | 2019-05-21 | 上海珑意环保科技有限公司 | A kind of effective docking facilities of easy-to-mount plastic-steel-wound |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683285A5 (en) * | 1990-11-08 | 1994-02-15 | Anis Dr Barrage | Screw coupling sleeve for plastics pipes - has oppositely handed threads gripping outside of pipes and has seals to prevent leakage |
| KR100937943B1 (en) * | 2009-09-29 | 2010-01-21 | 케이피에치이 주식회사 | Electric wire for helical hdpe of joint equipment |
| CN101907214A (en) * | 2010-07-13 | 2010-12-08 | 惠州全品科技工业有限公司 | Thermal insulating tube and production method thereof |
| CN103912741A (en) * | 2013-01-06 | 2014-07-09 | 四川江瀚工业股份有限公司 | Pipe and connection method thereof |
| CN203730941U (en) * | 2013-12-26 | 2014-07-23 | 山东天迈管业有限公司 | Steel-plastic winding pipe easy to connect and connecting structure |
| CN203979679U (en) * | 2014-07-25 | 2014-12-03 | 孔少云 | A kind of one plastic steel pipe assembly |
-
2016
- 2016-04-13 CN CN201610227762.4A patent/CN105736868A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH683285A5 (en) * | 1990-11-08 | 1994-02-15 | Anis Dr Barrage | Screw coupling sleeve for plastics pipes - has oppositely handed threads gripping outside of pipes and has seals to prevent leakage |
| KR100937943B1 (en) * | 2009-09-29 | 2010-01-21 | 케이피에치이 주식회사 | Electric wire for helical hdpe of joint equipment |
| CN101907214A (en) * | 2010-07-13 | 2010-12-08 | 惠州全品科技工业有限公司 | Thermal insulating tube and production method thereof |
| CN103912741A (en) * | 2013-01-06 | 2014-07-09 | 四川江瀚工业股份有限公司 | Pipe and connection method thereof |
| CN203730941U (en) * | 2013-12-26 | 2014-07-23 | 山东天迈管业有限公司 | Steel-plastic winding pipe easy to connect and connecting structure |
| CN203979679U (en) * | 2014-07-25 | 2014-12-03 | 孔少云 | A kind of one plastic steel pipe assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438489A (en) * | 2016-12-14 | 2017-02-22 | 宜兴市灵谷塑料设备有限公司 | Water pump outlet connection seal device |
| CN107524874A (en) * | 2017-09-19 | 2017-12-29 | 无锡市交通工程有限公司 | The connector Seepage method of HDPE plastic-steel spirally-wound pipes |
| CN107524874B (en) * | 2017-09-19 | 2019-08-13 | 无锡市交通工程有限公司 | The connector Seepage method of HDPE plastic-steel spirally-wound pipe |
| CN109780356A (en) * | 2019-03-14 | 2019-05-21 | 上海珑意环保科技有限公司 | A kind of effective docking facilities of easy-to-mount plastic-steel-wound |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
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| RJ01 | Rejection of invention patent application after publication |