CN218480275U - Compound lining plastic high-frequency steel pipe - Google Patents
Compound lining plastic high-frequency steel pipe Download PDFInfo
- Publication number
- CN218480275U CN218480275U CN202222319197.8U CN202222319197U CN218480275U CN 218480275 U CN218480275 U CN 218480275U CN 202222319197 U CN202222319197 U CN 202222319197U CN 218480275 U CN218480275 U CN 218480275U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pipe
- frequency steel
- ring
- high frequency
- 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.)
- Active
Links
Images
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a high frequency steel pipe technical field especially relates to a high frequency steel pipe is moulded to compound lining, including the high frequency steel pipe to and insert the plastic tubing of establishing inside the high frequency steel pipe, the tip of steel pipe and plastic tubing is connected with sealed head jointly, sealed head is including solid fixed ring, gu fixed ring one end fixedly connected with is used for the first fixed pipe with high frequency steel pipe outer wall fixed connection, gu fixed ring's the fixed pipe of other end fixedly connected with second has seted up the mounting groove on being located the solid fixed ring's at first fixed pipe place the terminal surface, the sealing washer has been placed in the mounting groove, in this body, is provided with sealed head at the terminal surface of high frequency steel pipe and plastic tubing, among the sealed head, extrudees the clamping ring through fastening bolt, and the clamping ring promotes the sealing washer for form reliable sealed face between sealing washer and the plastic tubing, avoided liquid infiltration to the high frequency steel pipe and the plastic tubing between, guarantee that the high frequency steel pipe can not corroded, improved the life of body.
Description
Technical Field
The utility model relates to a high frequency steel pipe technical field especially relates to a high frequency steel pipe is moulded to compound lining.
Background
The high-frequency welded steel pipe is used as a base pipe, and after welding ribs are removed from the inner wall of the base pipe, food-grade Polyethylene (PE) pipes with the same diameter as the high-frequency steel pipe are lined in the base pipe so as to improve the application range of the high-frequency steel pipe. Traditional lining is moulded steel pipe and is moulded steel pipe to butt welding formula lining and install the effect that metal protection bush played protection port polyethylene plastic layer additional at the port usually, but metal bush and steel pipe end fixing usually, and the metal bush does not effectively laminate the plastic layer, has the clearance between metal bush and the plastic layer, and in the body use, liquid can permeate between high frequency steel pipe and the plastic tubing, arouses the corruption of high frequency steel pipe, reduces the life of whole body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a composite lining plastic high-frequency steel pipe.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high frequency steel pipe is moulded to compound lining, includes the high frequency steel pipe to and insert and establish the inside plastic tubing of high frequency steel pipe, the tip of steel pipe and plastic tubing is connected with sealed head jointly, sealed head is including solid fixed ring, gu fixed ring one end fixedly connected with be used for with the first fixed pipe of high frequency steel pipe outer wall fixed connection, gu fixed ring's the fixed pipe of other end fixedly connected with second has seted up the mounting groove on being located the solid fixed ring's at first fixed pipe place terminal surface, the sealing washer has been placed in the mounting groove, gu fixed ring still has evenly distributed's fastening bolt through threaded connection, promotes the sealing washer through fastening bolt for the sealing washer is towards the terminal surface motion of plastic tubing.
Preferably, the end face, close to the fastening bolt, of the seal ring is fixedly connected with a compression ring.
Preferably, the side wall of the sealing ring is in interference fit with the inner wall of the mounting groove.
Preferably, still fixedly on the solid fixed ring's the terminal surface be provided with the fixed pipe of third, the outer wall of the fixed pipe of third and the inner wall looks adaptation of plastic tubing.
Preferably, a fillet is arranged on the inner wall of the third fixing pipe.
Preferably, the fixing ring, the first fixing pipe, the second fixing pipe and the third fixing pipe are integrally formed.
The utility model has the advantages that: in the pipe body, the sealing heads are arranged on the end faces of the high-frequency steel pipe and the plastic pipe, the clamping rings are extruded through the fastening bolts in the sealing heads, and the clamping rings push the sealing rings, so that reliable sealing faces are formed between the sealing rings and the plastic pipe, liquid is prevented from permeating between the high-frequency steel pipe and the plastic pipe, the high-frequency steel pipe is guaranteed not to be corroded, and the service life of the pipe body is prolonged.
Drawings
FIG. 1 is a schematic view of a main sectional structure of a composite plastic-lined high-frequency steel pipe according to the present invention;
FIG. 2 is a schematic diagram of a main sectional structure of a sealing head of a composite plastic-lined high-frequency steel pipe according to the present invention;
fig. 3 is the utility model provides a side-looking structural schematic diagram of the sealing head of compound lining plastic high-frequency steel pipe.
In the figure: the device comprises a 1 high-frequency steel pipe, a 2 plastic pipe, a 3 sealing head, a 31 fixing ring, a 32 first fixing pipe, a 33 second fixing pipe, a 34 third fixing pipe, a 35 sealing ring, a 36 fastening bolt and a 37 pressing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a composite plastic-lined high-frequency steel pipe, including a high-frequency steel pipe 1, and a plastic pipe 2 inserted into the high-frequency steel pipe 1, the ends of the steel pipe 1 and the plastic pipe 2 are connected with a sealing head 3, the sealing head 3 includes a fixing ring 31, one end of the fixing ring 31 is fixedly connected with a first fixing pipe 32 fixedly connected with the outer wall of the high-frequency steel pipe 1, the outer walls of the first fixing pipe 32 and the high-frequency steel pipe 1 can be welded, and also can be provided with threads, through threaded connection, the other end of the fixing ring 31 is fixedly connected with a second fixing pipe 33, a mounting groove is formed in the end face of the fixing ring 31 where the first fixing pipe 32 is located, a sealing ring 35 is placed in the mounting groove, the fixing ring 31 is also connected with fastening bolts 36 uniformly distributed through threads, the sealing ring 35 is pushed through the fastening bolts 36, so that the sealing ring 35 moves towards the end face of the plastic pipe 2.
A press ring 37 is fixedly connected to the end surface of the seal ring 35 close to the fastening bolt 36.
Interference fit is between the lateral wall of sealing washer 35 and the inner wall of mounting groove, forms reliable sealed face between sealing washer 35 and the mounting groove, and liquid can not flow through the clearance department between sealing washer 35 and the mounting groove.
Still fixed being provided with the fixed pipe 34 of third on the terminal surface of solid fixed ring 31, the outer wall of the fixed pipe 34 of third and the inner wall looks adaptation of plastic tubing 2 are provided with the radius angle on the inner wall of the fixed pipe 34 of third, protect the tip of plastic tubing 2 through the fixed pipe 34 of third, have avoided fluidic erodeing to lead to the plastic tubing 2 tip to take place wearing and tearing, the setting of radius angle has reduced the resistance when fluid flows.
The fixing ring 31, the first fixing tube 32, the second fixing tube 33, and the third fixing tube 34 are integrally formed therebetween.
In this embodiment, in this body, be provided with sealed head 3 at the terminal surface of high frequency steel pipe 1 and plastic tubing 2, in sealed head 3, extrude clamping ring 37 through fastening bolt 36, clamping ring 37 promotes sealing washer 35, make form reliable sealed face between sealing washer 35 and the plastic tubing 2, also can form reliable sealing between the inner wall of sealing washer 35 and mounting groove, form reliable sealing between sealing head 3 and the plastic tubing 2 equivalently, avoided liquid infiltration to between high frequency steel pipe 1 and the plastic tubing 3, guarantee that high frequency steel pipe 1 can not corroded, the life of body has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a compound lining plastic high frequency steel pipe, includes high frequency steel pipe (1) to and insert and establish plastic tubing (2) inside high frequency steel pipe (1), a serial communication port, the tip of steel pipe (1) and plastic tubing (2) is connected with sealed head (3) jointly, sealed head (3) are including solid fixed ring (31), gu fixed ring (31) one end fixedly connected with be used for with high frequency steel pipe (1) outer wall fixed connection's first fixed pipe (32), gu fixed ring (31)'s other end fixedly connected with second fixed pipe (33), be located and seted up the mounting groove on the terminal surface of solid fixed ring (31) at first fixed pipe (32) place, sealing washer (35) have been placed in the mounting groove, gu fixed ring (31) still have evenly distributed's fastening bolt (36) through threaded connection, promote sealing washer (35) through fastening bolt (36) for sealing washer (35) are towards the terminal surface motion of plastic tubing (2).
2. The composite plastic-lined high-frequency steel pipe as claimed in claim 1, wherein a press ring (37) is fixedly connected to the end surface of the seal ring (35) close to the fastening bolt (36).
3. The composite plastic-lined high-frequency steel pipe as claimed in claim 1 or 2, wherein the side wall of the sealing ring (35) is in interference fit with the inner wall of the mounting groove.
4. The composite plastic-lined high-frequency steel pipe as claimed in claim 3, wherein a third fixing pipe (34) is further fixedly arranged on the end face of the fixing ring (31), and the outer wall of the third fixing pipe (34) is matched with the inner wall of the plastic pipe (2).
5. A composite plastic-lined high-frequency steel pipe as claimed in claim 4, wherein the inner wall of said third stationary pipe (34) is provided with a rounded corner.
6. The composite plastic-lined high-frequency steel pipe as claimed in claim 4 or 5, wherein the fixing ring (31), the first fixing pipe (32), the second fixing pipe (33) and the third fixing pipe (34) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222319197.8U CN218480275U (en) | 2022-09-02 | 2022-09-02 | Compound lining plastic high-frequency steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222319197.8U CN218480275U (en) | 2022-09-02 | 2022-09-02 | Compound lining plastic high-frequency steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480275U true CN218480275U (en) | 2023-02-14 |
Family
ID=85166792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222319197.8U Active CN218480275U (en) | 2022-09-02 | 2022-09-02 | Compound lining plastic high-frequency steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480275U (en) |
-
2022
- 2022-09-02 CN CN202222319197.8U patent/CN218480275U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210890520U (en) | A pipeline for hydraulic engineering | |
| CN202001749U (en) | Anti-corrosive buckle press joint for composite pressure pipe connection and pipeline connection structure | |
| CN218480275U (en) | Compound lining plastic high-frequency steel pipe | |
| CN216242802U (en) | Insulating tube convenient to connect | |
| CN107218464A (en) | A kind of electric smelting connecting pipe of steel-plastics composite pipe | |
| CN203036123U (en) | Aluminum steel connector connecting structure | |
| CN210462040U (en) | Seamless steel pipe | |
| CN209818954U (en) | PE water supply pipe capable of preventing joint from bursting | |
| CN209638560U (en) | A kind of aluminum alloy dual-metal pipe fitting | |
| CN213089098U (en) | Firm in connection's stainless steel water pipe three-way pipe structure | |
| CN209458506U (en) | A kind of corrosion-proof plastic-coated spiral steel pipe structure | |
| CN215674026U (en) | Anticorrosive seal structure of butt welding formula plastic-lined steel pipe | |
| CN205298859U (en) | Compound pipe of steel skeleton PE plastics | |
| CN214743893U (en) | Adjustable explosion-proof flexible pipe | |
| CN217829088U (en) | Novel stainless steel filter | |
| CN211058733U (en) | Corrosion-resistant oil pumping pipe coupling | |
| CN220268799U (en) | Emergency sealing device for oilfield site | |
| CN214579482U (en) | High-toughness stainless steel pipe sleeve | |
| CN214618409U (en) | Internal thread tee bend pipe fitting that leakproofness is strong | |
| CN220540526U (en) | Heat preservation water pipe coupling mechanism | |
| CN212656969U (en) | Energy-efficient water pressure circulating pump | |
| CN221034462U (en) | Sealing flange | |
| CN215000009U (en) | Stainless steel fastening device for pipeline butt joint | |
| CN217003452U (en) | Connecting structure of composite copper-plastic water supply pipeline | |
| CN217108620U (en) | Anti-drop coupling for petroleum pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |