CN211002666U - Pipe cap of prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe - Google Patents
Pipe cap of prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe Download PDFInfo
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- CN211002666U CN211002666U CN201921322295.9U CN201921322295U CN211002666U CN 211002666 U CN211002666 U CN 211002666U CN 201921322295 U CN201921322295 U CN 201921322295U CN 211002666 U CN211002666 U CN 211002666U
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Abstract
The utility model relates to a pipe cap of a prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe, which comprises a ring-shaped cap body, wherein the outer circumference of one side of the cap body is connected with a ring-shaped sleeve, the sleeve is vertical to the cap body, and the sleeve is sleeved on the outer pipe wall of the end part of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe; a circular hole is arranged in the middle of the cap body, the outer diameter of the circular hole is larger than that of a working core pipe of the prefabricated steel-sheathed steel direct-buried steam insulation pipe, and the circular hole and the cap body are concentric; the edge of the round hole is provided with a fixed circle of elastic sealing edge; the inner diameter of the sealing edge is reduced, the end with the larger diameter is fixedly connected with the edge of the round hole of the cap body, the end with the smaller diameter is a small sleeve opening, the inner diameter of the small sleeve opening is smaller than the outer diameter of the working core pipe, and the sealing edge and the sleeve are respectively positioned on the two sides of the cap body. The utility model discloses to the sealed protection of pipeline tip, it is not fragile, also difficult intaking, the effectual inside insulation construction of pipeline that has protected.
Description
Technical Field
The utility model belongs to the technical field of steam conduit, concretely relates to pipe cap of prefabricated steel bushing steel direct-burried steam insulating tube.
Background
Polyurethane steel cover steel direct-burried steam insulating tube accomplishes the back at the mill prefabrication, generally all will seal the heat preservation of tip with the plastic film, in case when stacking in the open air, rainwater and dust get into, and traditional way is directly twined at the pipeline tip with plastic sheeting and sticky tape, and in the transportation, the plastic sheeting is damaged easily, and the sticky tape also loses viscidity easily after drenching with rain, intakes easily in the pipeline.
Disclosure of Invention
For overcoming the defect that prior art exists, the utility model provides a dedicated prefabricated steel bushing steel direct-burried steam insulating tube's pipe cap carries out seal packing to the pipeline end.
The utility model discloses the technical scheme who adopts to solve its technical problem is:
the pipe cap of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe comprises an annular cap body, wherein an annular sleeve is connected to the outer circumference of one side of the cap body and is vertical to the cap body, and the sleeve is sleeved on the outer pipe wall of the end part of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe; the middle of the cap body is provided with a round hole, the outer diameter of the round hole is larger than the outer diameter of a working core pipe of the prefabricated steel-sheathed steel direct-buried steam insulation pipe, and the round hole and the cap body are concentric; the edge of the round hole is provided with a fixed circle of elastic sealing edge; the inner diameter of the sealing edge is reduced, the end with the larger diameter is fixedly connected with the edge of the round hole of the cap body, the end with the smaller diameter is a small sleeve opening, the inner diameter of the small sleeve opening is smaller than the outer diameter of the working core tube, and the sealing edge and the sleeve are respectively positioned on two sides of the cap body.
Preferably, the inner wall of the sleeve is provided with an annular convex strip, and the convex strip and the sleeve have the same axial lead.
Furthermore, the inner side of the sealing edge is provided with an elastic annular auxiliary sealing strip, the auxiliary sealing strip and the sealing edge have the same axial lead, the inner diameter of the auxiliary sealing strip is reduced, the end with the larger diameter is fixedly connected with the inner wall of the sealing edge, the end with the smaller diameter is a small auxiliary sleeve opening, and the inner diameter of the small auxiliary sleeve opening is smaller than the outer diameter of the working core pipe.
The utility model discloses the beneficial effect who has is:
the utility model provides a pipe cap of prefabricated steel bushing steel direct-burried steam insulating tube, to the sealed protection of pipeline tip, it is not fragile, also difficult intake, the effectual inside insulation construction of pipeline that has protected.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the usage state of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the pipe cap of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe comprises a ring-shaped cap body 1, wherein an annular sleeve 2 is connected to the outer circumference of one side of the cap body 1, the sleeve 2 is perpendicular to the cap body 1, and the sleeve 2 is sleeved on the outer pipe wall of the end part of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe; a circular hole is arranged in the middle of the cap body 1, the outer diameter of the circular hole is larger than that of a working core pipe of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe, and the circular hole is concentric with the cap body 1; the edge of the round hole is provided with a circle of elastic sealing edge 3; the inner diameter of the sealing edge 3 is reduced, the end with the larger diameter is fixedly connected with the edge of the round hole of the cap body 1, the end with the smaller diameter is a small sleeve opening 6, the inner diameter of the small sleeve opening 6 is smaller than the outer diameter of the working core tube, and the sealing edge 3 and the sleeve 2 are respectively positioned on two sides of the cap body 1.
The pipe cap is made of plastic, has certain elasticity and is soft.
When in use, as shown in figure 2, the working core tube passes through the round hole of the cap body 1, the sleeve 2 is sleeved on the end part of the outer tube wall, and the sealing edge 3 is elastic, so that the small sleeve opening 6 of the sealing edge 3 is tightly attached to the outer wall of the working core tube to form a sealing ring.
In order to ensure the fastening of the sleeve 2, the inner wall of the sleeve 2 is provided with an annular convex strip 4, and the convex strip 4 and the sleeve 2 have the same axial lead. The convex strips 4 may be provided in plural in parallel.
In order to prevent the small sleeve opening 6 from being torn due to friction when being installed and improve the sealing performance, the inner side of the sealing edge 3 is provided with an elastic annular auxiliary sealing strip 5, the auxiliary sealing strip 5 and the sealing edge 3 have the same axial line, the inner diameter of the auxiliary sealing strip is reduced, one end with the larger diameter is fixedly connected with the inner wall of the sealing edge 3, the other end with the smaller diameter is the small sleeve opening, and the inner diameter of the small sleeve opening is smaller than the outer diameter of the working core pipe. The secondary seal 5 forms a second seal.
Claims (3)
1. The pipe cap of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe is characterized in that: the steam insulation pipe comprises a ring-shaped cap body, wherein an annular sleeve is connected to the outer circumference of one side of the cap body and is perpendicular to the cap body, and the sleeve is sleeved on the outer pipe wall of the end part of the prefabricated steel-sheathed steel direct-buried steam insulation pipe; the middle of the cap body is provided with a round hole, the outer diameter of the round hole is larger than the outer diameter of a working core pipe of the prefabricated steel-sheathed steel direct-buried steam insulation pipe, and the round hole and the cap body are concentric; the edge of the round hole is provided with a fixed circle of elastic sealing edge; the inner diameter of the sealing edge is reduced, the end with the larger diameter is fixedly connected with the edge of the round hole of the cap body, the end with the smaller diameter is a small sleeve opening, the inner diameter of the small sleeve opening is smaller than the outer diameter of the working core tube, and the sealing edge and the sleeve are respectively positioned on two sides of the cap body.
2. The pipe cap of the prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe as claimed in claim 1, wherein the inner wall of the sleeve is provided with annular convex strips, and the convex strips are coaxial with the sleeve.
3. The pipe cap of the prefabricated steel-sheathed-steel direct-buried steam insulation pipe according to claim 1 or 2, wherein: the inner side of the sealing edge is provided with an elastic annular auxiliary sealing strip, the auxiliary sealing strip and the sealing edge have the same axial lead, the inner diameter of the auxiliary sealing strip is reduced, one end with the larger diameter is fixedly connected with the inner wall of the sealing edge, one end with the smaller diameter is a small auxiliary sleeve opening, and the inner diameter of the small auxiliary sleeve opening is smaller than the outer diameter of the working core pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322295.9U CN211002666U (en) | 2019-08-15 | 2019-08-15 | Pipe cap of prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921322295.9U CN211002666U (en) | 2019-08-15 | 2019-08-15 | Pipe cap of prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211002666U true CN211002666U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921322295.9U Active CN211002666U (en) | 2019-08-15 | 2019-08-15 | Pipe cap of prefabricated steel-sheathed-steel direct-buried steam heat-preservation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211002666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510253A (en) * | 2019-08-15 | 2019-11-29 | 江苏地龙管业有限公司 | The pipe cap of prefabricated steel bushing steel direct-buried steam insulation pipe |
-
2019
- 2019-08-15 CN CN201921322295.9U patent/CN211002666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510253A (en) * | 2019-08-15 | 2019-11-29 | 江苏地龙管业有限公司 | The pipe cap of prefabricated steel bushing steel direct-buried steam insulation pipe |
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