CN203223669U - Pipe hoop for connecting plastic-coated steel pipes - Google Patents
Pipe hoop for connecting plastic-coated steel pipes Download PDFInfo
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- CN203223669U CN203223669U CN 201320257152 CN201320257152U CN203223669U CN 203223669 U CN203223669 U CN 203223669U CN 201320257152 CN201320257152 CN 201320257152 CN 201320257152 U CN201320257152 U CN 201320257152U CN 203223669 U CN203223669 U CN 203223669U
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- lock
- locking plate
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- plastic
- pipe
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Abstract
The utility model discloses a pipe hoop for connecting plastic-coated steel pipes. The pipe hoop comprises two semi-circular lock pieces, the two ends of each lock piece are provided with lock platforms, the two lock platforms are fastened by bolts, so that the two semi-circular lock pieces are made to be in a circular ring shape. The inner walls of the two lock pieces are provided with two clamping tables, pressing grooves are formed in the two sides of each clamping table, the inner wall of each lock piece is provided with a polyurea layer, and the outer wall of each lock piece is provide with a epoxy resin coating. The clamping tables, the pressing grooves and the lock pieces are integrally formed in the manufacturing process. The pressing grooves are provided with sealing rubber bars which are fixed with the pressing grooves in an adhesive mode, and the epoxy resin coatings are formed in the method that macromolecule epoxy powder paint is sprayed on the outer walls of the lock pieces and then is solidified. The polyurea layers are formed in the method that polyurea powder paint is sprayed on the inner walls of the lock pieces and then is solidified. The pipe hoop is simple in structure, convenient to use, firm in connection, good in corrosion resistance, and long in service life, and is specially used for connecting the plastic-coated steel pipes with grooves.
Description
Technical field:
The utility model relates to the corrosion-proof technology for pipeline field, relates in particular to a kind of plastic-coated steel connection pipe collar.
Background technique:
Steel pipe is coated with feature by the surface plating and can be divided into: clarinet (do not plate and be coated with) and plating coating pipe.The coating pipe has galvanized pipe, the steel pipe of the pipe of aluminizing, chromium-plated tube, aluminizing pipe and other alloy-layers.Coated pipe has external coating pipe, undercoating pipe, inside and outside coating pipe.Usually the coating that adopts has the corrosion-inhibiting coating material of plastics, epoxy resin, coal tar epoxy and various glass moulds.Coating steel pipes forms its excellent performance through the powder melts spraying technology in inwall (when needing outer wall also can) applied plastic.Compare with galvanized pipe, have anticorrosive, non-corrosive, incrustation, smooth smoothness, cleaning are not nontoxic, advantages such as long service life.According to test, be more than three times of galvanized pipe the working life of steel-plastic composite pipe.Compare with plastic tube, have the mechanical strength height, advantage such as withstand voltage, good heat resistance.Because matrix is steel pipe, so do not have embrittlement, problem of aging.Can be widely used in fluids conveying and heating engineerings such as tap water, coal gas, chemical product.The coating steel pipe is that applied plastic forms on large-caliber spiral welded tube and ratio-frequency welded tube basis, can be according to different needs application of polyvinyl (PVC), polyethylene (PE), the plastic coating of epoxy resin various different performances such as (EPOZY), adhesion is good, corrosion resistance is strong, can anti-strong acid, highly basic and other chemical corrosion, nontoxic, not corrosion, wear-resisting, shock-resistant, osmotic-pressure-tolerant is strong, pipe surface is smooth, do not adhere to any material, can reduce the resistance when carrying, improve flow and transfer efficiency, reduce the discharge pressure loss, by updating the Recipe of powder coating, make the more outstanding certainty that become of respective coatings performance of formation.Solvent-free in the coating, material can not be oozed out, thereby the medium of carrying can not be polluted, thereby guarantee clarity and the wholesomeness of fluid, but be used alternatingly-40 ℃ to+80 ℃ scope cold cycling, do not wear out, do not chap, thereby can under rigorous environment such as cold zone, use.
In the whole pipeline of construction, the problem that needs most solution is one, anticorrosion; Two, there is not leakage.For pipeline, plastic-coated steel has solved pipeline working life substantially, and namely the corrosion-resistant problem still, for the connection between pipe, remains in many defectives.For example, present as long as Placement, plug together connection: in an end enlarging of steel pipe, the other end reducing of steel pipe or keep normal bore, the flared end of adjacent two plastic-coated steels plugs together with necking end or normal bore end and is connected, and welds or do other preservative treatments then with regard to point of contact, during welding, certainly will cause coming off of solder joint position anticorrosive coat, influence working life.End pipe welding manner: weld for the using end pipe, namely hold an end of pipe to be welded on the end of a steel pipe, the other end of end pipe is welded on the end of another steel pipe, by two plastic-coated steels of end pipe series connection, also has solder joint to come off to cause the problem of leaking easily.The mode that is connected of groove and pipe collar for another example: the outer wall at the two ends of steel pipe arranges groove, after two plastic-coated steel butt joints, use pipe collar to be buckled on the groove of two plastic-coated steels, by behind the pipe collar locking groove two plastic-coated steels being together in series, though this mode applied range uses simple, but, anticorrosion most corrosion resistant coatings that adopt of present pipe collar, antiseptic effect is bad, and causing the pipe collar corrosion to get loose and then cause the problem of leakage is that generation is arranged.
Yet cooperating between the groove on the steel pipe and the pipe collar is at present main means of fixation, so, the two ends of steel pipe had had groove when most plastics coated tubes dispatched from the factory, so, can only make improvements at the link ' pipe collar ' that this Placement is used, to adapt to the main product on the market.For solving this technical problem, need to occur a kind of simple in structure, easy to use, connects fastening, favorable anti-corrosion effect, long service life, be specifically designed to a kind of plastic-coated steel connection pipe collar of the fluted plastics coated tube of connecting band.
Summary of the invention:
The purpose of this utility model is to overcome the shortcoming that exists in the prior art, provides a kind of simple in structure, easy to use, connect fastening, favorable anti-corrosion effect, long service life, a kind of plastic-coated steel that is specifically designed to the fluted plastics coated tube of connecting band connects uses pipe collar.
To achieve these goals, the utility model provides a kind of plastic-coated steel to connect and has used pipe collar, the locking plate that comprises two semicircle shapes, the two ends of two locking plates are provided with the lock platform, two lock platforms are by bolton and then that the locking plate of two semicircle shapes is constituted is one circular, wherein, the inwall of locking plate is provided with twice Ka Tai, the both sides of Ka Tai are provided with indent, the inwall of described locking plate is provided with polyurea coating, the outer wall of described locking plate is provided with epoxy coating, described Ka Tai, and described indent and described locking plate are one-body molded during fabrication.
Described indent is provided with sealing joint strip, be adhesively fixed between described sealing joint strip and the indent, solidifying solidifying described epoxy coating is sprayed on the outer wall of locking plate for the macromolecule epoxy resin powder coating after, described polyurea coating are sprayed on the inwall of locking plate for the polyurea polymer powder coating after.
Described Ka Tai is used for agreeing with and compresses groove on the corresponding steel pipe.
For increasing fixed stably tenacity, the number of the bolt that arranges on the lock platform is two.
The macromolecule epoxy resin powder coating is based on bisphenol A type epoxy resin, linear phenolic resin modified epoxy and aliphatic epoxy resin etc., and is mixing at a certain temperature, and the cooling back is pulverized and formed.It is pollution-free, and melting viscosity is low, and it is firm to film, and good leveling property does not need primer coating film, and mechanical property is good, and excellent reactivity and storage-stable, corrosion resistance are arranged, chemical proofing, the color matching of coating well, wide, the applied range of curing agent range of choice.The macromolecule epoxy resin powder coating mainly is made up of epoxy (EP) subbing and the stable top layer coating (mainly being polyester (SP) or EP/SP mixed-powder) of weathering.The melt temperature of powder coating is 90～130 ℃, the solidifying temperature 130-180 of coating ℃.
The polyureas powder coating is a kind of elastomer substances that is generated by isocyanates component and the reaction of amino-compound component.The most basic characteristic of polyureas is exactly anticorrosion, waterproof, wear-resisting etc.Polyureas can be representational polyureas macromolecule by diamines and vulcabond or the urea inferior nonyl urea that is polymerized.
Advantage of the present utility model is, and is simple in structure, easy to use, connect fastening, favorable anti-corrosion effect, long service life, be specifically designed to connect and have groove, be specially:
When this uses novel use, pipe end butt welding with two plastic-coated steels, indent in the middle of making is pressed in the solder joint place, the Ka Tai of middle indent both sides agrees with respectively in the groove that is pressed on two plastic-coated steels, use bolt that two locking plates are fixed as one then, and then the weld of two plastic-coated steels is locked.The inner-wall spraying of pipe collar of the present utility model has anticorrosion, wear-resisting polyurea coating, and outer wall of the present utility model is coated with the epoxy coating of favorable anti-corrosion effect, has increased its working life greatly.
Description of drawings:
Fig. 1 is the welding schematic representation that has the plastic-coated steel of groove.
Fig. 2 is the structural representation of mode of execution one of the present utility model.
Fig. 3 is the structural representation of mode of execution two of the present utility model.
The accompanying drawing sign:
1, groove 2, plastic-coated steel 3, locking plate
4, indent 5, card platform 6, lock platform
7, bolt 8, polyurea coating 9, sealing joint strip
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described.
As Fig. 1-shown in Figure 2, Fig. 1 is the welding schematic representation that has the plastic-coated steel of groove.Fig. 2 is the structural representation of mode of execution one of the present utility model.The locking plate 3 that comprises two semicircle shapes, the two ends of two locking plates 3 are provided with lock platform 6, two lock platforms 6 are fastening and then that the locking plate 3 of two semicircle shapes is constituted is one circular by bolt 7, wherein, the inwall of locking plate 3 is provided with twice card platform 5, and the both sides of card platform 5 are provided with indent 4, the inwall of locking plate 3 is provided with polyurea coating 8, the outer wall of locking plate 3 is provided with epoxy coating, card platform 5, and indent 4 is one-body molded during fabrication with locking plate 3.Card platform 5 is used for agreeing with and compresses groove on the corresponding steel pipe.For increasing fixed stably tenacity, the number of the bolt 7 that arranges on the lock platform 6 is two.When this uses novel use, pipe end butt welding with two plastic-coated steels 2, indent 4 in the middle of making is pressed in the solder joint place, the card platform 5 of middle indent 4 both sides agrees with respectively in the groove 1 that is pressed on two plastic-coated steels 2, use bolt 7 that two locking plates 3 are fixed as one then, and then the weld of two plastic-coated steels 2 is locked.The inner-wall spraying of pipe collar of the present utility model has anticorrosion, wear-resisting polyurea coating, and outer wall of the present utility model is coated with the epoxy coating of favorable anti-corrosion effect, has increased its working life greatly.
As shown in figures 1 and 3, Fig. 1 is the welding schematic representation that has the plastic-coated steel of groove.Fig. 3 is the structural representation of mode of execution two of the present utility model.The locking plate 3 that comprises two semicircle shapes, the two ends of two locking plates 3 are provided with lock platform 6, two lock platforms 6 are fastening and then that the locking plate 3 of two semicircle shapes is constituted is one circular by bolt 7, wherein, the inwall of locking plate 3 is provided with twice card platform 5, and the both sides of card platform 5 are provided with indent 4, the inwall of locking plate 3 is provided with polyurea coating 8, the outer wall of locking plate 3 is provided with epoxy coating, card platform 5, and indent 4 is one-body molded during fabrication with locking plate 3.Indent 4 is provided with sealing joint strip 9, be adhesively fixed between sealing joint strip 9 and the indent 4, solidifying epoxy coating is sprayed on the outer wall of locking plate for the macromolecule epoxy resin powder coating after, polyurea coating 8 are sprayed on the inwall of locking plate solidifying afterwards for the polyurea polymer powder coating.Card platform 5 is used for agreeing with and compresses groove on the corresponding steel pipe.For increasing fixed stably tenacity, the number of the bolt 7 that arranges on the lock platform 6 is two.When this uses novel use, pipe end butt welding with two plastic-coated steels 2, indent 4 in the middle of making is pressed in the solder joint place, the card platform 5 of middle indent 4 both sides agrees with respectively in the groove 1 that is pressed on two plastic-coated steels 2, use bolt 7 that two locking plates 3 are fixed as one then, and then the weld of two plastic-coated steels 2 is locked.The inner-wall spraying of pipe collar of the present utility model has anticorrosion, wear-resisting polyurea coating, and outer wall of the present utility model is coated with the epoxy coating of favorable anti-corrosion effect, has increased its working life greatly.The utility model arranges sealing joint strip in indent, water tightness, and tightness is effective.
Claims (2)
1. a plastic-coated steel connects and uses pipe collar, the locking plate that comprises two semicircle shapes, the two ends of two locking plates are provided with the lock platform, and two lock platforms are by bolton and then that the locking plate of two semicircle shapes is constituted is one circular, it is characterized in that, the inwall of locking plate is provided with twice Ka Tai, the both sides of Ka Tai are provided with indent, and the inwall of described locking plate is provided with polyurea coating, and the outer wall of described locking plate is provided with epoxy coating, described Ka Tai, described indent and described locking plate are one-body molded during fabrication.
2. connect according to the described plastic-coated steel of claim 1 and use pipe collar, it is characterized in that, described indent is provided with sealing joint strip, be adhesively fixed between described sealing joint strip and the indent, solidifying solidifying described epoxy coating is sprayed on the outer wall of locking plate for the macromolecule epoxy resin powder coating after, described polyurea coating are sprayed on the inwall of locking plate for the polyurea polymer powder coating after.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320257152 CN203223669U (en) | 2013-04-26 | 2013-04-26 | Pipe hoop for connecting plastic-coated steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320257152 CN203223669U (en) | 2013-04-26 | 2013-04-26 | Pipe hoop for connecting plastic-coated steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223669U true CN203223669U (en) | 2013-10-02 |
Family
ID=49250673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320257152 Expired - Lifetime CN203223669U (en) | 2013-04-26 | 2013-04-26 | Pipe hoop for connecting plastic-coated steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203223669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078775A (en) * | 2014-06-06 | 2014-10-01 | 大冶特殊钢股份有限公司 | Butting connector capable of disassembling half card in four-quarter mode |
| CN110469730A (en) * | 2019-08-15 | 2019-11-19 | 福州鸿宇通管业有限公司 | A kind of assembling pipe joint |
-
2013
- 2013-04-26 CN CN 201320257152 patent/CN203223669U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078775A (en) * | 2014-06-06 | 2014-10-01 | 大冶特殊钢股份有限公司 | Butting connector capable of disassembling half card in four-quarter mode |
| CN104078775B (en) * | 2014-06-06 | 2016-08-17 | 大冶特殊钢股份有限公司 | The butt connector of 4/4ths detachable Ha Fuka |
| CN110469730A (en) * | 2019-08-15 | 2019-11-19 | 福州鸿宇通管业有限公司 | A kind of assembling pipe joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pipe hoop for connecting plastic-coated steel pipes Effective date of registration: 20171130 Granted publication date: 20131002 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Haode Boer Industrial Co.,Ltd. Registration number: 2017370010088 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220526 Granted publication date: 20131002 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Qingdao Haode Boer Industrial Co.,Ltd. Registration number: 2017370010088 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |