CN2075292U - Joint of buried pipeline - Google Patents
Joint of buried pipeline Download PDFInfo
- Publication number
- CN2075292U CN2075292U CN 90217234 CN90217234U CN2075292U CN 2075292 U CN2075292 U CN 2075292U CN 90217234 CN90217234 CN 90217234 CN 90217234 U CN90217234 U CN 90217234U CN 2075292 U CN2075292 U CN 2075292U
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- joint
- core
- pipeline
- pipe
- 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.)
- Withdrawn
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Abstract
The utility model discloses a joint of buried pipeline, in particular to a pipeline joint for conveying abnormal temperature medium. The joint of buried pipeline is provided with a core connecting pipe, and an outer sleeve pipe sheathed on the core connecting pipe by overlapping. Sealing material is filled in the gap of the overlapping position between the core connecting pipe and the outer sleeve pipe. One end is compressed by a compressing ring. The joint of buried pipeline is arranged in a pipeline according to certain construction method, the wall thickness of the pipe is attenuated, and a plurality of ferrous material is saved. The joint of buried pipeline has no fault and does not need to be repaired after being installed one time.
Description
Be used for the direct-burried under ground piping, particularly carry the pipe coupling of non-normal temperature medium.Present employed direct-burried under ground piping is with thick walled tube head and the tail welded seal, and at the certain spacing mounting and fixing bracket.After imbedding soil, hinder grade stress of generation by support and concentrate, to prevent pipeline breaking because pipeline expands with heat and contract with cold.Use this method, consume a large amount of iron and steel, transport volume is big, and difficulty is installed, the cost height, and be prone to fault.
The purpose of this utility model: be that a kind of materials of creation are economized, the trouble-free direct-burried under ground piping of once mounting joint, be installed in the middle of the under ground piping.
This model utility is transplanted my structure of " the flexible telescopic compensator " that be used for above ground piping of acquisition once, innovates to improve forming again.(" flexible telescopic compensator " patent No.: 88207697.3, model utility) it can guarantee that above ground piping does not leak owing to cold and hot distortion.The structure of direct-burried under ground piping joint has to be convenient to take over and the overlapping outside outer sleeve of core adapter that is enclosed within the core of pipeline welding, between core adapter and outer sleeve, leave certain space, packing matcrial between the space of core adapter and outer sleeve overlapping part, one end is provided with resistance shelves part, the other end is compressed by the retainer ring that is arranged between the adapter of outer sleeve and core, then this joint is welded between the pipeline.
Fig. 1 is an embodiment of this model utility: have core adapter (1), sealing material (2) to be threaded with outer sleeve, take over the spiral retainer ring (3), the outer sleeve (4) that are slidingly matched with core and take over (1) sliding connection pipe (5) composition with core.Outer sleeve (4) is wanted the girth welding sealing with connecting tube (5), and the other end of connecting tube (5) should close up.Packing matcrial (2) between the space of outer sleeve (4) and core adapter (1) socket is compressed by spiral retainer ring (3).These joint two ends are sealed with pipeline welding respectively.
Fig. 2 is another embodiment of this model utility: have core to take over (1), sealing material (2), spiral retainer ring (3), outer sleeve (4), the resistance ring washer (5) that is fixed on core adapter outer ring, end is formed, and is to be slidingly matched between resistance ring washer (5) and the outer sleeve (4).The other end at outer sleeve (4) should close up so that with the seal welding of pipeline.
This model utility has solved the direct-burried under ground piping preferably owing to carry problems such as the caused distortion of non-normal temperature medium, leakage.Use this joint can attenuate pipe wall thickness, support reduces, and saves ferrous materials in large quantities, reduces transport volume significantly, and can once mounting, need not maintenance.
Claims (4)
1, is used for the direct-burried under ground piping, particularly carry the pipe coupling of non-normal temperature medium, have core adapter and the overlapping outside outer sleeve of core pipe adapter that is enclosed within, it is characterized in that packing matcrial between core adapter and outer sleeve overlapping part slit, an end is compressed by retainer ring.
2,, it is characterized in that to take at core the resistance ring washer that the outer ring is provided with and outer sleeve is slidingly matched of end according to the pipe coupling of claim 1.
3,, it is characterized in that retainer ring can adopt screw propulsion to compress according to the pipe coupling of claim 1 or 2.
4,, it is characterized in that in the other end of outer sleeve, to be inserted in connecting tube and girth welding sealing according to the pipe coupling of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90217234 CN2075292U (en) | 1990-08-06 | 1990-08-06 | Joint of buried pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90217234 CN2075292U (en) | 1990-08-06 | 1990-08-06 | Joint of buried pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2075292U true CN2075292U (en) | 1991-04-17 |
Family
ID=4896260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90217234 Withdrawn CN2075292U (en) | 1990-08-06 | 1990-08-06 | Joint of buried pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2075292U (en) |
-
1990
- 1990-08-06 CN CN 90217234 patent/CN2075292U/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |