CN204573388U - A kind of plastic-coated pressure piping socket type connecting structure - Google Patents
A kind of plastic-coated pressure piping socket type connecting structure Download PDFInfo
- Publication number
- CN204573388U CN204573388U CN201520260544.1U CN201520260544U CN204573388U CN 204573388 U CN204573388 U CN 204573388U CN 201520260544 U CN201520260544 U CN 201520260544U CN 204573388 U CN204573388 U CN 204573388U
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- CN
- China
- Prior art keywords
- pressure piping
- plastic
- type connecting
- bellmouth
- connecting structure
- 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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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
A kind of plastic-coated pressure piping socket type connecting structure.Provide a kind of connection convenient, and the plastic-coated pressure piping socket type connecting structure that protective coating does not damage can be guaranteed.Comprising can two pressure piping of adjacent connection, be socket in one end of described pressure piping and its other end is bellmouth, the inside and outside surface of described pipeline is equipped with corrosion-proof plastic-coated layer, at described bellmouth position, ecto-entad is provided with seal groove, locating slot successively, and the inside radius of described locating slot is greater than the inside radius of described pressure piping; In described seal groove, be provided with the seal ring of annular, the inner ring surface of described seal ring is provided with sawtooth projection ring.The internal diameter of the inner ring surface of described seal ring is less than or equal to the external diameter of described pressure piping socket.This kind of Placement has the feature of higher, the easy connection of voltage withstand class, both saves time, the Placement of laborsaving, economize on resources, reduce construction cost and difficulty of construction, and voltage withstand class is high, can realize again the tight ne-leakage of interface.
Description
Technical field
The utility model relates to a kind of linkage structure of pipeline, particularly relates to that the composite pipe with protective coating holds, spigot connection structure.
Background technique
It is that one can effectively intercept welding heat transmission that anticorrosion composite pipe connects special welding saver sub, realizes Sealing and coated inside not damaged, and save time, the Placement of laborsaving, economize on resources, reduce construction cost and difficulty of construction.Its voltage withstand class is high, but complex manufacturing, the manufacture cycle is longer.
That is, for any Connecting format that the composite pipe with barrier coating is taked in prior art, all need to adopt welding procedure, the coating at welding procedure line up position can produce irreversible damage, causes pipeline life to reduce.
Model utility content
The utility model, for above problem, provides a kind of connection convenient, and can guarantee the plastic-coated pressure piping socket type connecting structure that protective coating does not damage.
The technical solution of the utility model is: comprising can two pressure piping of adjacent connection, be socket in one end of described pressure piping and its other end is bellmouth, the inside and outside surface of described pipeline is equipped with corrosion-proof plastic-coated layer, at described bellmouth position, ecto-entad is provided with seal groove, locating slot successively, and the inside radius of described locating slot is greater than the inside radius of described pressure piping;
In described seal groove, be provided with the seal ring of annular, the inner ring surface of described seal ring is provided with sawtooth projection ring.
The internal diameter of the inner ring surface of described seal ring is less than or equal to the external diameter of described pressure piping socket.
The sawtooth crown direction of described sawtooth projection ring is inside described bellmouth.
The outer ring surface of described seal ring is arc, the internal surface of described seal groove and the outer ring surface shape of described arc suitable.
Described seal ring is thin towards the side of bellmouth inside towards the side ratio of bellmouth outside.
Groove is provided with in the end of the described seal ring towards bellmouth inside.
The seal groove of described bellmouth, the internal surface of locating slot and outer surface are equipped with corrosion-proof plastic-coated layer.
The inner termination of described locating slot is provided with inner conical position structure, and the external end head of described socket is provided with the external conical shape position structure with described locating slot inner termination inner conical position structure adaptation.
Technique effect of the present utility model is: this kind of Placement has the feature of higher, the easy connection of voltage withstand class, both saved time, the Placement of laborsaving, economize on resources, reduce construction cost and difficulty of construction, and voltage withstand class is high, when ensure that field joint, joint touches the corrosion-proof plastic-coated layer of the water surface and flexible seal ring can not be damaged, the tight ne-leakage of interface can be realized again, finally reach preserving and sealing pressure-bearing effect, and improve construction speed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the structural representation of bellmouth in the utility model,
Fig. 3 is the structural representation of seal ring in the utility model,
Fig. 4 is the left view of Fig. 3,
Fig. 5 is fundamental diagram of the present utility model,
Fig. 6 is the schematic diagram of the utility model optimal enforcement mode;
Fig. 7 is the enlarged diagram at A place in Fig. 6.
In figure, 1 is pressure piping, and 11 is bellmouths, and 12 is sockets, and 111 is seal grooves, and 112 is locating slots,
3 is seal rings, and 31 is seal ring outer ring surfaces, and 32 is sealing inner ring surfaces, and 1 ' is rear class pressure piping.
Embodiment
The utility model as shown in figs. 1-7, a kind of plastic-coated pressure piping socket type connecting structure, one end of described pressure piping 1 is bellmouth 11, and its other end is socket 12, in described pressure piping 1, outer surface is equipped with corrosion-proof plastic-coated layer, seal groove 111 is provided with successively at described bellmouth 11 ecto-entads, locating slot 112, the inside radius of described locating slot 112 is greater than the inside radius of described pressure piping 1, and the inside radius of seal groove 111 is greater than the inside radius of locating slot 112, the seal ring 3 of annular is provided with in described seal groove 111, the inner ring surface 32 of described seal ring 3 is provided with sawtooth projection ring, the socket of rear class pressure piping 1 ' is inserted in the bellmouth 11 of pressure piping 1, seal ring 3 and locating slot 112 are fixed it, to prevent it can voluntary activity.
The internal diameter of the inner ring surface 32 of described seal ring 3 is less than or equal to the external diameter of described pressure piping 1 socket 12, to guarantee that the socket 12 of rear class pressure piping 1 ' can insert, as shown in Fig. 5,1 under tight, sealing state.
The sawtooth crown direction of described sawtooth projection ring is inside described bellmouth 11, and can be inserted in seal ring 3 along direction, sawtooth crown direction by the socket of rear class pressure piping 1 ', making so between the two can be tightr.
The outer ring surface 31 of described seal ring 3 is arc, the internal surface of described seal groove 111 and outer ring surface 31 shape of described arc suitable, between the two can tight docile, can effectively prevent the current in pressure piping 1 from exosmosing.
Described seal ring 3 is thin towards the side of bellmouth 11 inside towards the side ratio of bellmouth 11 outside, and the resistance making socket 12 in pressure piping 1 insert bellmouth 11 becomes large gradually, makes it more firmly fix.
Be provided with groove in the end of the described seal ring 3 towards bellmouth 11 inside, when current are too quickly, because its pressure is excessive, easily infringement produced to pressure piping 1, so just had certain backflow space, the pressure to pressure piping 1 can be improved.
The seal groove 111 of described bellmouth 11, the internal surface of locating slot 112 and outer surface are equipped with corrosion-proof plastic-coated layer, and pressure piping 1 contacts with water for a long time, and the easily corrosion of its surface, is provided with corrosion-proof plastic-coated layer, can effectively prevents it from occurring corrosion phenomenon.
The inner termination of described locating slot 112 is provided with inner conical position structure, the external end head of described socket 12 is provided with the external conical shape position structure with described locating slot 112 inner termination inner conical position structure adaptation, when socket 12 inserts locating slot 112, inside and outside conic positioning structure can closely be pasted, and makes it connect more firm.
The bayonet joint of the utility model plastic-coated pressure piping is simple, be convenient to site operation, and under the prerequisite ensureing construction quality, effectively reduce engineering cost, be suitable for popularization, and voltage withstand class is high, when ensure that field joint, joint touches the corrosion-proof plastic-coated layer of the water surface and flexible seal ring can not be damaged, and can realize again the tight ne-leakage of interface, finally reach preserving and sealing pressure-bearing effect, and improve construction speed.
Claims (8)
1. a plastic-coated pressure piping socket type connecting structure, one end of described pressure piping is socket and its other end is bellmouth, the inside and outside surface of described pipeline is equipped with corrosion-proof plastic-coated layer, it is characterized in that: at described bellmouth position, ecto-entad is provided with seal groove, locating slot successively, the inside radius of described locating slot is greater than the inside radius of described pressure piping;
In described seal groove, be provided with the seal ring of annular, the inner ring surface of described seal ring is provided with sawtooth projection ring.
2. a kind of plastic-coated pressure piping socket type connecting structure according to claim 1, is characterized in that, the internal diameter of the inner ring surface of described seal ring is less than or equal to the external diameter of described pressure piping socket.
3. a kind of plastic-coated pressure piping socket type connecting structure according to claim 1, is characterized in that, the sawtooth crown direction of described sawtooth projection ring is inside described bellmouth.
4. a kind of plastic-coated pressure piping socket type connecting structure according to claim 1, is characterized in that, the outer ring surface of described seal ring is arc, the internal surface of described seal groove and the outer ring surface shape of described arc suitable.
5. a kind of plastic-coated pressure piping socket type connecting structure according to claim 4, is characterized in that, described seal ring is thin towards the side of bellmouth inside towards the side ratio of bellmouth outside.
6. a kind of plastic-coated pressure piping socket type connecting structure according to claim 5, is characterized in that, be provided with groove in the end of the described seal ring towards bellmouth inside.
7. a kind of plastic-coated pressure piping socket type connecting structure according to claim 1, is characterized in that, the seal groove of described bellmouth, the internal surface of locating slot and outer surface are equipped with corrosion-proof plastic-coated layer.
8. a kind of plastic-coated pressure piping socket type connecting structure according to claim 1, it is characterized in that, the inner termination of described locating slot is provided with inner conical position structure, and the external end head of described socket is provided with the external conical shape position structure with described locating slot inner termination inner conical position structure adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260544.1U CN204573388U (en) | 2015-04-21 | 2015-04-21 | A kind of plastic-coated pressure piping socket type connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520260544.1U CN204573388U (en) | 2015-04-21 | 2015-04-21 | A kind of plastic-coated pressure piping socket type connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573388U true CN204573388U (en) | 2015-08-19 |
Family
ID=53866024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520260544.1U Expired - Fee Related CN204573388U (en) | 2015-04-21 | 2015-04-21 | A kind of plastic-coated pressure piping socket type connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970018A (en) * | 2020-04-21 | 2022-01-25 | 李明 | Socket type pipeline connecting structure and sealing mode |
-
2015
- 2015-04-21 CN CN201520260544.1U patent/CN204573388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970018A (en) * | 2020-04-21 | 2022-01-25 | 李明 | Socket type pipeline connecting structure and sealing mode |
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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 |
Granted publication date: 20150819 Termination date: 20170421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |