CN202791110U - Steel plastic transition pipe fitting used for gas distribution system - Google Patents
Steel plastic transition pipe fitting used for gas distribution system Download PDFInfo
- Publication number
- CN202791110U CN202791110U CN 201220398730 CN201220398730U CN202791110U CN 202791110 U CN202791110 U CN 202791110U CN 201220398730 CN201220398730 CN 201220398730 CN 201220398730 U CN201220398730 U CN 201220398730U CN 202791110 U CN202791110 U CN 202791110U
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- Prior art keywords
- steel
- distribution system
- fastening ring
- pipe fitting
- plastic pipe
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- Expired - Lifetime
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a steel plastic transition pipe fitting used for a gas distribution system. The steel plastic transition pipe fitting used for the gas distribution system comprises a steel end connector and a fastening ring, wherein a connecting end which is connected with a plastic cement pipe is arranged on the steel end connector, a sealing groove is arranged on the outer wall of the connecting end, and the plastic cement pipe is tightly sleeved on the connecting end and tightly contacts with the sealing groove. The fastening ring is tightly sleeved on the plastic cement pipe and the inner wall of the fastening ring is provided with a limiting groove capable of preventing self from taking off. According to the structure, the plastic cement pipe is capable of being tightly locked on the steel end connector by the fastening ring, and tight contact of the plastic cement pipe and the sealing groove can play a good rule in sealing.
Description
Technical field
The utility model relates to a kind of connection pipe fitting, and particularly a kind of gas transmission and distribution system is moulded the conversion pipe fitting with steel.
Background technique
Along with the growing and scientific and technical continuous progress of novel tube, the performance of conveyance conduit correspondingly also will adapt to its technical requirements to pipe connecting part also to high quality new height development thereupon.Existing with polyethylene be fuel tube, the supply pipe of raw material manufacturing oneself is widely used at home, it is indispensable that the steel between connection polyethylene pipeline and the steel part is moulded crossover sub.
But existing pipe joint is limit by its structure, and its connection is complicated, and a little less than the tightness, rotproofness is relatively poor, and working life is short, and application area is narrow.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provide a kind of tightness good, be connected firmly and corrosion resistant steel is moulded the conversion pipe fitting.
The technological scheme that its technical problem that solves the utility model adopts is:
Gas transmission and distribution system is moulded the conversion pipe fitting with steel, it is characterized in that: comprise steel end connector, fastening ring, the steel end connector is provided with the connecting end that is connected with plastic pipe, the connecting end outer wall is provided with seal groove, and described plastic pipe is tightly placed on the connecting end and the seal groove close contact, described fastening ring is tightly placed on the plastic pipe, and the fastening ring inwall is provided with the limited impression that can prevent that self from deviating from from plastic pipe.
Described plastic pipe adopts the mode of hot ringfeder dress to install.
Described steel end connector is provided with position-arresting ring.
Described limited impression is surrounded by a vertical surface and an inclined-plane.
Described steel end connector and fastening ring surface scribble anticorrosive coat.
The beneficial effects of the utility model are: the utility model comprises steel end connector, fastening ring, the steel end connector is provided with the connecting end that is connected with plastic pipe, the connecting end outer wall is provided with seal groove, and described plastic pipe is tightly placed on the connecting end and the seal groove close contact, described fastening ring is tightly placed on the plastic pipe, and the fastening ring inwall is provided with the limited impression that can prevent that self from deviating from from plastic pipe.By said structure, plastic pipe securely fastened circle is locked on the steel end connector, and plastic pipe and seal groove close contact can also play good seal action.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is sectional view of the present utility model;
Fig. 2 is partial enlarged drawing of the present utility model.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand fully the purpose of this utility model, feature and effect.Obviously; described embodiment is a part of embodiment of the present utility model, rather than whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite of not paying creative work all belong to the scope that the utility model is protected.
With reference to Fig. 1, Fig. 2, the utility model discloses a kind of gas transmission and distribution system and mould the conversion pipe fitting with steel, comprise steel end connector 1, fastening ring 2, steel end connector 1 is provided with the connecting end 4 that is connected with plastic pipe 3, connecting end 4 outer walls are provided with seal groove, and described plastic pipe 3 is tightly placed on the connecting end 4 and the seal groove close contact, described fastening ring 2 is tightly placed on the plastic pipe 3, and fastening ring 2 inwalls are provided with the limited impression 5 that can prevent that self from deviating from from plastic pipe, in this instantiation, plastic pipe 3 has adopted polyethylene pipe, certainly also can adopt other plastic materials that meet the gas pipeline standard, be inserted in fastening ring after, plastic pipe 3 surfaces produce deformation, in the polyethylene pipe indentation sealing groove, play seal action, and seal groove has stoped polyethylene pipe to be deviate from.The limited impression 5 of fastening ring has been filled polyethylene equally in compaction process, prevent coming off of self.
As shown in the figure, steel end connector 1 is provided with position-arresting ring, after being inserted in, plastic pipe 3 can pass through the position-arresting ring screens, in order to guarantee that plastic pipe 3 firmly is sleeved on the connecting end 4 and preferably sealing can be arranged, plastic pipe 3 be by hot charging on connecting end 4, usually with plastic pipe 3 mounting ends by hot water heating to the 70-80 degree, then be sleeved on the connecting end 4, when plastic pipe 3 returns to the normal temperature aftershrinkage, thus can with connecting end 4 close contact securely, but also have good seal action.
As shown in the figure, in this specific embodiment, the concrete structure of limited impression 5 is: limited impression 5 is surrounded by a vertical surface 6 and an inclined-plane 7, during installation, end that will be close with vertical surface 6 plays larger jam effect as the front end that hoop enters thereby avoid 5 pairs of hoops of limited impression to enter process in the time can snapping in, and plastic pipe 3 have deviate from tendency the time, limited impression 5 can partly play snap action with the deformation on plastic pipe 3 surfaces, and plastic pipe 3 is firmly waled.Certainly, an optimum example of above-mentioned just this structure but be not unique, limited impression 5 also can adopt curve bath, or intersecting inclined-planes by two surrounds etc.
Bring potential safety hazard in order to prevent steel part partly to be subjected to environmental corrosion, steel end connector 1 scribbles anticorrosive coat with fastening ring 2 surfaces, and the anticorrosive coat material can be:
Resinous coat (epoxide powder coating) adopts the design of steel pipe single layer structure clinkery epoxy powder external coating.The main material that resinous coat adopts is epoxide powder coating;
Also zinc-chromium coating (water base zinc chrome coating) adopts the zinc-chromium coating method to form anticorrosive coat at steel piece surface.With water base zinc chrome coating dip-coating, brush or be sprayed at steel piece surface, through the inorganic anti-corrosion coating take the chromate of phosphorus sheet zinc and zinc as main component that baking forms, the main material that zinc-chromium coating adopts is water base zinc chrome coating;
Can also be polyethylene anticorrosive coating (fusion bonded epoxy coating, adhesive and polyethylene special-purpose material).Adopt extruding polyethylene coating that steel part is protected, extruding polyethylene coating divides two kinds of two-layer structure and three-deckers, and the two-layer structure bottom is adhesive, and skin is polyethylene; The bottom of three-decker is epoxide powder coating, and the mesosphere is adhesive, and skin is polyethylene, and the main material that polyethylene anticorrosive coating adopts has fusion bonded epoxy coating, adhesive and polyethylene special-purpose material.
Above-mentionedly just preferred embodiments more of the present utility model are illustrated and describe; but mode of execution of the present utility model is not restricted to the described embodiments; as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.
Claims (5)
1. gas transmission and distribution system is moulded the conversion pipe fitting with steel, it is characterized in that: comprise steel end connector, fastening ring, the steel end connector is provided with the connecting end that is connected with plastic pipe, the connecting end outer wall is provided with seal groove, and described plastic pipe is tightly placed on the connecting end and the seal groove close contact, described fastening ring is tightly placed on the plastic pipe, and the fastening ring inwall is provided with the limited impression that can prevent that self from deviating from from plastic pipe.
2. gas transmission and distribution system according to claim 1 is moulded the conversion pipe fitting with steel, it is characterized in that: described plastic pipe adopts the mode of hot ringfeder dress to install.
3. gas transmission and distribution system according to claim 1 is moulded the conversion pipe fitting with steel, it is characterized in that: described steel end connector is provided with position-arresting ring.
4. gas transmission and distribution system according to claim 1 is moulded the conversion pipe fitting with steel, it is characterized in that: described limited impression is surrounded by a vertical surface and an inclined-plane.
5. gas transmission and distribution system according to claim 1 is moulded the conversion pipe fitting with steel, it is characterized in that: described steel end connector and fastening ring surface scribble anticorrosive coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398730 CN202791110U (en) | 2012-08-13 | 2012-08-13 | Steel plastic transition pipe fitting used for gas distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220398730 CN202791110U (en) | 2012-08-13 | 2012-08-13 | Steel plastic transition pipe fitting used for gas distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791110U true CN202791110U (en) | 2013-03-13 |
Family
ID=47818373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220398730 Expired - Lifetime CN202791110U (en) | 2012-08-13 | 2012-08-13 | Steel plastic transition pipe fitting used for gas distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791110U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738873A (en) * | 2013-12-20 | 2014-04-23 | 诺威起重设备（苏州）有限公司 | Dustproof electric hoist for cleaning room |
| CN104455809A (en) * | 2014-11-26 | 2015-03-25 | 宁波志清实业有限公司 | Underground connector applied to fuel gas transmission pipeline |
| WO2020216189A1 (en) * | 2019-04-24 | 2020-10-29 | 日丰企业（佛山）有限公司 | Connection joint |
| CN117869693A (en) * | 2024-03-12 | 2024-04-12 | 泰维能源集团股份有限公司 | Steel-plastic conversion pipe fitting for gas conveying pipeline |
-
2012
- 2012-08-13 CN CN 201220398730 patent/CN202791110U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738873A (en) * | 2013-12-20 | 2014-04-23 | 诺威起重设备（苏州）有限公司 | Dustproof electric hoist for cleaning room |
| CN104455809A (en) * | 2014-11-26 | 2015-03-25 | 宁波志清实业有限公司 | Underground connector applied to fuel gas transmission pipeline |
| WO2020216189A1 (en) * | 2019-04-24 | 2020-10-29 | 日丰企业（佛山）有限公司 | Connection joint |
| CN117869693A (en) * | 2024-03-12 | 2024-04-12 | 泰维能源集团股份有限公司 | Steel-plastic conversion pipe fitting for gas conveying pipeline |
| CN117869693B (en) * | 2024-03-12 | 2024-05-14 | 泰维能源集团股份有限公司 | Steel-plastic conversion pipe fitting for gas conveying pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |