CN205278612U - Seal structure of heat supply pipeline - Google Patents
Seal structure of heat supply pipeline Download PDFInfo
- Publication number
- CN205278612U CN205278612U CN201521108801.6U CN201521108801U CN205278612U CN 205278612 U CN205278612 U CN 205278612U CN 201521108801 U CN201521108801 U CN 201521108801U CN 205278612 U CN205278612 U CN 205278612U
- Authority
- CN
- China
- Prior art keywords
- link
- front link
- threaded portion
- rear link
- tube body
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a seal structure of heat supply pipeline, including preceding link and back link, the outside outer body of body including preceding link all includes interior body and wraps up with the back link, the internal side of inner tube of preceding link is preceding link work pipe, the internal side of inner tube of back link is back link work pipe, preceding link work pipe is the same with back link work pipe pipe diameter, and link port department is equipped with inside sunken preceding link screw thread portion in the front, is equipped with link screw thread portion after outside bellied in the port department of back link, preceding link screw portion is cylindricly, and pass through the screw and the thread groove passes through threaded connection, easy dismounting with the back link with preceding link in this device to through be equipped with deep floor on the contact surface of back link screw portion and preceding link screw portion, leakproofness through setting up preceding link sealing washer and the back link sealing washer that the cooperation is connected, after the progressive one enhancement pipeline connection.
Description
Technical field
This utility model relates to pipeline field, specifically the sealing structure of a kind of heat supply pipeline.
Background technology
Heat supply is that the northern area of China is indispensable for winter, current heat supply pipeline mainly has two kinds, a kind of is the heat supply pipeline hung in the sky by suspender member or support member, another kind is the direct-burried heat supply pipeline in underground, the Large Diameter Pipeline heat supply pipeline of usual even number refers to defeated heat pipe diameter pipeline more than 800 millimeters, common large-scale heat supply pipeline adopts the direct-burried mode in underground to lay in order to warming etc., and also can be enclosed with multi-layer heat preserving layer on pipeline outer wall.
Current heat supply pipeline is in order to ensure its sealing effectiveness; usually can adopt Flange joint or welding in junction between tubes; Flange joint is utilized to be susceptible to reveal in using for a long time; weld not only wasting manpower and material resources; and it is inconvenient when carrying out pipeline modification; position metallicity after welding reduces simultaneously, it is impossible to ensure the sealing effectiveness of pipeline.
Utility model content
The purpose of this utility model is in that to provide the sealing structure of a kind of heat supply pipeline, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of sealing structure of heat supply pipeline, including front link and rear link, described front link and rear link all include interior tube body and are wrapped in the outer tube body outside interior tube body, it it is front link instrumentation tubes inside the interior tube body of described front link, it it is rear link instrumentation tubes inside the interior tube body of described rear link, described front link instrumentation tubes is identical with rear link instrumentation tubes caliber, the front link threaded portion caved inward it is provided with in front link port, the rear link threaded portion of outwardly convex it is provided with in the port of rear link, described front link threaded portion is cylindrical, front link threaded portion inwall is provided with thread groove, described rear link threaded portion is cylindrical, the diameter of its diameter and front link threaded portion matches, rear link threaded portion outer wall is provided with screw thread, described front link and rear link are threaded by screw thread and thread groove, the rear link threaded portion contact surface with front link threaded portion is provided with reinforcement gusset, the outer tube wall of the outer tube body of described front link is provided with front link sealing ring, the outer tube wall of the outer tube body of described rear link is provided with rear link sealing ring, along the circumferential direction it is provided with the cross section cell body in " T " font in described front link sealing ring, described rear link sealing ring is along the circumferential direction provided with the projection that cross section is rectangle.
As further program of the utility model: the diameter of described front link threaded portion is between front link instrumentation tubes and the diameter of interior tube body.
As this utility model further scheme: described reinforcement gusset adopts hard rubber material to make.
As this utility model further scheme: install sealing gasket bottom described cell body.
Compared with prior art, the beneficial effects of the utility model are: front link and rear link are threaded connection by screw thread and thread groove in this device, easy accessibility, and the sealing by being provided with reinforcement gusset on the contact surface with front link threaded portion of the rear link threaded portion, by arranging the front link sealing ring and rear link sealing ring being connected, after a progressive reinforcement pipeline connection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Link before 1-in figure, link instrumentation tubes before 11-, link threaded portion before 12-, 13-thread groove, link sealing ring before 14-, link after 2-, link instrumentation tubes after 21-, link threaded portion after 22-, 23-screw thread, link sealing ring after 24-, 25-strengthens gusset, 3-outer tube body, 4-interior tube body.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments. Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of sealing structure of heat supply pipeline, including front link 1 and rear link 2, described front link 1 and rear link 2 all include interior tube body 4 and are wrapped in the outer tube body 3 outside interior tube body 4, it it is front link instrumentation tubes 11 inside the interior tube body 4 of described front link 1, it it is rear link instrumentation tubes 21 inside the interior tube body 4 of described rear link 2, described front link instrumentation tubes 11 is identical with rear link instrumentation tubes 21 caliber, the front link threaded portion 12 caved inward it is provided with in front link 1 port, the rear link threaded portion 22 of outwardly convex it is provided with in the port of rear link 2, described front link threaded portion 12 is cylindrical, its diameter is between front link instrumentation tubes 11 and the diameter of interior tube body 4, front link threaded portion 12 inwall is provided with thread groove 13, described rear link threaded portion 22 is cylindrical, the diameter of its diameter and front link threaded portion 12 matches, rear link threaded portion 22 outer wall is provided with screw thread 23, described front link 1 and rear link 2 are threaded by screw thread 23 and thread groove 13, the contact surface of rear link threaded portion 22 and front link threaded portion 12 is provided with reinforcement gusset 25, described reinforcement gusset 25 adopts hard rubber material to make, after front link 1 and rear link 2 connect, front link instrumentation tubes 11 and rear link instrumentation tubes 21 slitless connection, and seal by strengthening gusset 25, it is ensured that pipeline connect after sealing effectiveness, the outer tube wall of the outer tube body 3 of described front link 1 is provided with front link sealing ring 14, the outer tube wall of the outer tube body 3 of described rear link 2 is provided with rear link sealing ring 24, the cross section cell body in " T " font along the circumferential direction it is provided with in described front link sealing ring 14, described rear link sealing ring 24 is along the circumferential direction provided with the projection that cross section is rectangle, after front link 1 and rear link 2 connect, projection on rear link sealing ring 24 is inserted in the cell body of front link sealing ring 14, and sealing gasket is installed bottom cell body, sealing after a progressive reinforcement pipeline connection.
Operation principle of the present utility model is: front link 1 and rear link 2 are threaded connection by screw thread 23 and thread groove 13 in this device, easy accessibility, and by being provided with reinforcement gusset 25 on the contact surface of rear link threaded portion 22 and front link threaded portion 12, by arranging the front link sealing ring 14 and rear link sealing ring 24 being connected, progressive one strengthens the sealing after pipeline connection.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms. Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model. Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. the sealing structure of a heat supply pipeline, including front link and rear link, it is characterized in that, described front link and rear link all include interior tube body and are wrapped in the outer tube body outside interior tube body, it it is front link instrumentation tubes inside the interior tube body of described front link, it it is rear link instrumentation tubes inside the interior tube body of described rear link, described front link instrumentation tubes is identical with rear link instrumentation tubes caliber, the front link threaded portion caved inward it is provided with in front link port, the rear link threaded portion of outwardly convex it is provided with in the port of rear link, described front link threaded portion is cylindrical, front link threaded portion inwall is provided with thread groove, described rear link threaded portion is cylindrical, the diameter of its diameter and front link threaded portion matches, rear link threaded portion outer wall is provided with screw thread, described front link and rear link are threaded by screw thread and thread groove, the rear link threaded portion contact surface with front link threaded portion is provided with reinforcement gusset, the outer tube wall of the outer tube body of described front link is provided with front link sealing ring, the outer tube wall of the outer tube body of described rear link is provided with rear link sealing ring, along the circumferential direction it is provided with the cross section cell body in " T " font in described front link sealing ring, described rear link sealing ring is along the circumferential direction provided with the projection that cross section is rectangle.
2. the sealing structure of a kind of heat supply pipeline according to claim 1, it is characterised in that the diameter of described front link threaded portion is between front link instrumentation tubes and the diameter of interior tube body.
3. the sealing structure of a kind of heat supply pipeline according to claim 1, it is characterised in that described reinforcement gusset adopts hard rubber material to make.
4. the sealing structure of a kind of heat supply pipeline according to claim 1, it is characterised in that install sealing gasket bottom described cell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108801.6U CN205278612U (en) | 2015-12-29 | 2015-12-29 | Seal structure of heat supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108801.6U CN205278612U (en) | 2015-12-29 | 2015-12-29 | Seal structure of heat supply pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205278612U true CN205278612U (en) | 2016-06-01 |
Family
ID=56063190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521108801.6U Expired - Fee Related CN205278612U (en) | 2015-12-29 | 2015-12-29 | Seal structure of heat supply pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205278612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195482A (en) * | 2016-09-09 | 2016-12-07 | 中交隧道局电气化工程有限公司 | It is applicable to the flange connecting assembly of metal bellows |
| CN108678686A (en) * | 2018-07-09 | 2018-10-19 | 江苏明宇石油机械有限公司 | A kind of oil well suction channel |
-
2015
- 2015-12-29 CN CN201521108801.6U patent/CN205278612U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195482A (en) * | 2016-09-09 | 2016-12-07 | 中交隧道局电气化工程有限公司 | It is applicable to the flange connecting assembly of metal bellows |
| CN108678686A (en) * | 2018-07-09 | 2018-10-19 | 江苏明宇石油机械有限公司 | A kind of oil well suction channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20161229 |