CN2821350Y - Pipeline connection structure - Google Patents
Pipeline connection structure Download PDFInfo
- Publication number
- CN2821350Y CN2821350Y CN 200520073302 CN200520073302U CN2821350Y CN 2821350 Y CN2821350 Y CN 2821350Y CN 200520073302 CN200520073302 CN 200520073302 CN 200520073302 U CN200520073302 U CN 200520073302U CN 2821350 Y CN2821350 Y CN 2821350Y
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- CN
- China
- Prior art keywords
- caliber end
- double
- wall
- pipe
- small
- 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 relates to a pipe connection structure, which comprises a double-layer corrugated pipe with a wave type outer wall and a smooth inner wall. Both ends of the double-layer corrugated pipe are respectively provided with a large caliber end and a small caliber end which both have a smooth inner wall and a smooth outer wall, and the inner diameter of the large caliber end and the outer diameter of the small caliber end are matched with each other. The small caliber end of one double-layer corrugated pipe is inserted into the large caliber end of the other double layer corrugated pipe to connect, the inner side of the pipe wall of the large caliber end is provided with a ring of annular grooves protruding outward and an annular sealing ring is inserted into the annular groove. The inner side of the sealing ring is provided with at least one gear form bulge inclined into the pipe. The utility model has the advantages of simple structure, convenient installation and operation, enhanced pipe connection construction speed, good and safe pipe connection sealing performance and low leakage occurring rate.
Description
Technical field
The utility model relates to a kind of pipe connecting structure, relates in particular to a kind of linkage structure of double-ply bellows.
Background technique
The pipe connecting structure of traditional double-ply bellows adopts link to be arranged between two pipelines to connect usually.When using, mainly deposits this pipe connecting structure big following shortcomings: 1, because traditional whole undulate structures of bellows outer wall, therefore, can only be connected by link between pipeline and the pipeline, but sealing effect was relatively poor usually when this link used, and fluid seepage easily takes place when pipeline uses; 2, traditional link structure is comparatively complicated, installs to connect comparatively trouble.
Summary of the invention
The purpose of this utility model is to provide a kind of can effectively prevent liquid generation seepage, and pipe connecting structure easy to install.
Further purpose of the present utility model is to provide a kind of more reliable pipe connecting structure of pipeline enclosure sealability that is used for.
For realizing the purpose of this utility model, a kind of pipe connecting structure, comprise double-ply bellows, the outer wall undulate of double-ply bellows, inner wall smooth, the two ends of described double-ply bellows are respectively equipped with inside and outside wall smooth heavy caliber end and small-caliber end, the internal diameter of heavy caliber end and the mutual corresponding matching of the external diameter of small-caliber end, small-caliber end by the pair of lamina bellows between the pipeline is plugged in the heavy caliber end of another double-ply bellows and connects, the tube wall inboard of heavy caliber end also is provided with the circular groove of a circle to outer lug, is embedded with O-ring seal in the circular groove.
For realizing further purpose of the present utility model, a kind of pipe connecting structure also comprises: the inboard of described seal ring is provided with at least one toothed projections that tilts in pipe.
The utility model has the advantages that: simple in structure, easy to install, can improve the speed of application that pipeline connects; Connection sealability between the pipeline is safe and reliable, is difficult for taking place seepage.
Description of drawings
Below in conjunction with accompanying drawing pipe connecting structure of the present utility model is described in further detail:
Fig. 1 is the sectional structure schematic representation of the utility model pipe connecting structure.
Among the figure: 1, double-ply bellows, 11, the heavy caliber end, 12, small-caliber end, 13, circular groove, 2, seal ring, 21, toothed projections.
Embodiment
As shown in Figure 1, a kind of pipe connecting structure, comprise double-ply bellows 1, the outer wall undulate of double-ply bellows 1, inner wall smooth, the two ends of described double-ply bellows 1 are respectively equipped with smooth heavy caliber end 11 of inside and outside wall and small-caliber end 12, the mutual corresponding matching of the external diameter of the internal diameter of heavy caliber end 11 and small-caliber end 12, when this two-tube corrugated conduit 1 interconnects, the small-caliber end 12 of pair of lamina bellows 1 is plugged in the heavy caliber end 11 of another double-ply bellows 1 and interconnects, the tube wall inboard of heavy caliber end 11 is provided with the circular groove 13 of a circle to outer lug, be embedded with O-ring seal 2 in the circular groove 13, the inboard of seal ring 2 is provided with two toothed projections 21 that tilt in pipe, during the mutual socket of double-ply bellows 1, seal ring 2 toothed projections 21 of pair of lamina bellows 1 inboard fit tightly on the outer wall of another double-ply bellows 1, form effective seal between them thereby make, and prevent fluid seepage.
In the utility model, the toothed projections 21 of above-mentioned seal ring 2 inboards is generally two, also adopts more than one or two.
Claims (2)
1, a kind of pipe connecting structure, comprise double-ply bellows (1), the outer wall undulate of double-ply bellows (1), inner wall smooth, it is characterized in that: the two ends of described double-ply bellows (1) are respectively equipped with smooth heavy caliber end (11) of inside and outside wall and small-caliber end (12), the mutual corresponding matching of external diameter of the internal diameter of heavy caliber end (11) and small-caliber end (12), be plugged in interior connection of heavy caliber end (11) of another double-ply bellows (1) between the pipeline by the small-caliber end (12) of pair of lamina bellows (1), the tube wall inboard of heavy caliber end (11) also is provided with the circular groove (13) of a circle to outer lug, is embedded with O-ring seal (2) in the circular groove (13).
2, a kind of pipe connecting structure according to claim 1 is characterized in that: the inboard of described seal ring (2) is provided with at least one toothed projections (21) that tilts in pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520073302 CN2821350Y (en) | 2005-06-30 | 2005-06-30 | Pipeline connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520073302 CN2821350Y (en) | 2005-06-30 | 2005-06-30 | Pipeline connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2821350Y true CN2821350Y (en) | 2006-09-27 |
Family
ID=37017905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520073302 Expired - Fee Related CN2821350Y (en) | 2005-06-30 | 2005-06-30 | Pipeline connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2821350Y (en) |
-
2005
- 2005-06-30 CN CN 200520073302 patent/CN2821350Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |