CN204477565U - Flexible extra large pipe connection - Google Patents
Flexible extra large pipe connection Download PDFInfo
- Publication number
- CN204477565U CN204477565U CN201520119242.2U CN201520119242U CN204477565U CN 204477565 U CN204477565 U CN 204477565U CN 201520119242 U CN201520119242 U CN 201520119242U CN 204477565 U CN204477565 U CN 204477565U
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- CN
- China
- Prior art keywords
- extra large
- ring
- large pipe
- pipe connection
- flange
- 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 kind of flexible extra large pipe connection, for connecting two pipe joints, each described pipe joint is close to each other and one end for connecting is a flange, the other end is extra large pipe connecting end, each described pipe joint center is a passage, the end face of the flange end of each described pipe joint has the annular seal groove of depression, in order to assemble O RunddichtringO, in the inside diameter ranges of this annular seal groove, is formed with step surface; Also include a metal sealing steel ring, two snap rings and two connector clips, a draw-in groove is formed with in it, with the metal sealing steel ring blocked between two flange ends of two pipe joints when docking, two flange ends and two snap rings be installed in described bayonet slot ring when two connector clips are fixed.The beneficial effects of the utility model are: the connection and the sealing that realize confined space connector, utilize the sealing surface of metal sealing steel ring both sides to achieve a kind of linear sealing structure, and its effect is more outstanding with effect.
Description
Technical field
The pipeline that the utility model relates in oil and gas pipes process of deployment under water connects, and particularly relates to a kind of flexible extra large pipe connection.
Background technique
The laying of oil gas flexible pipe under water, usual needs are connecting tube connector between each section of flexible pipe, pipe jointer is while the extra large pipe of guarantee and flexibility is connected and seals, not only need to bear pulling and huge bending load of pipeline in connection procedure, and pipeline to bear extreme temperature and corrosion in process of oil production.
Traditional connector connection docks rear thread locking mode for flange with flange, the type connector takes up room greatly, for the laying of extra large pipe, is difficult to outside flange, place design other guiding or supplementary structures.
Due to the problems referred to above existed in actual conditions, and the product also do not addressed these problems at present or method occur, therefore truly have the necessity made improvements.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of flexible extra large pipe connection, utilize between the cambered surface of metal sealing steel ring both sides and each pipe joint and realize linear sealing, its seal action and effect far exceed existing and contact sealing.
The technical solution of the utility model is as follows:
A kind of flexible extra large pipe connection, for connecing two pipe joints, each described pipe joint is close to each other and one end for connecting is a flange end, the other end is extra large pipe connecting end, each described pipe joint solid centre is a central passage, and the end face of the flange end of each described pipe joint has the annular seal groove of depression, in order to assemble O RunddichtringO, in the inside diameter ranges of this annular seal groove, be formed with the step surface of depression, be not communicated with between this step surface with described seal groove;
Described connection set also includes:
One metal sealing steel ring, it is the circular ring with one fixed width, is a bayonet slot ring at the middle body of this width, and the both sides of bayonet slot ring are a cambered surface, and each described cambered surface is then located in the described seal groove of each pipe joint of both sides respectively;
Two snap rings, are part-annular structure, are installed in the bayonet slot ring of described metal sealing steel ring;
Two connector clips, a cylinder-like structure is formed when coordinating fixing, a draw-in groove is formed, with the metal sealing steel ring blocked between two flange ends of two pipe joints when docking, two flange ends and two snap rings be installed in described bayonet slot ring in this cylinder-like structure.
Above-mentioned flexibility sea pipe connection, the outer wall of the other end of each described pipe joint is provided with a filling face, and it is the tube wall inclined-plane had a down dip to flange end direction, fills injecting glue during to be connected with a flexible extra large pipe.
Above-mentioned flexibility sea pipe connection, the internal surface of described central passage is etch resistant layer.
Above-mentioned flexibility sea pipe connection, each described step surface is equipped with the backpressure passage that runs through described flange end.
Above-mentioned flexibility sea pipe connection, snap ring described in described step surface place and two is also provided with plural screw hole, is fixed on corresponding described step surface to make each described snap ring.
Above-mentioned flexibility sea pipe connection, each described connector clip extension is provided with two outstanding pin, is fixed between each outstanding pin of connector clip described in two by screw-in version.
Above-mentioned flexibility sea pipe connection, each described connector clip is equipped with a back pressure hole passage, and described back pressure hole passage is corresponding with the position of the backpressure passage of described flange end.
Above-mentioned flexibility sea pipe connection, the draw-in groove both sides of described connector clip are respectively equipped with a breach, form a back pressure hole passage described in two between breach, and this back pressure hole passage is corresponding with the position of the backpressure passage of described flange end.
Above-mentioned flexibility sea pipe connection, each described connector clip extension is provided with four outstanding pin, is fixed between the outstanding pin of each correspondence by screw rod.
The utility model also relates to a kind of metal sealing steel ring, it is the circular ring with one fixed width, be a bayonet slot ring at the annulus middle body of this width, the sealing surface of the both sides of bayonet slot ring is a cambered surface, and each described cambered surface is then installed on the described sealing surface of each pipe joint of both sides respectively.
The beneficial effects of the utility model are: be first the connection and the sealing that achieve pipeline enclosure; Next is the connector of the utility model relative to traditional flange bolt locking, and its compact structure, takes up room little; The metal sealing steel ring that the utility model adopts again is linear sealing structure, for a kind of metal sealing steel ring, its sealing surface linearly contacts with the sealing plane of flange, under the effect of flange end fastening force, the elastic deformation amount that linear contact lay makes the elastic deformation amount of metal contact than traditional face is larger, its seal action and effect more outstanding, more can overcome the defect of sealing surface surface roughness and processing technology, thus make the utility model more practical can be applicable to load and the bending load of pressure integrity test, be applicable to the underwater complex operating mode connecting extra large pipe.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is blasting type structural representation of the present utility model;
Fig. 3 is the structural representation of pipe joint of the present utility model;
Fig. 4 is the generalized section of pipe joint of the present utility model;
Fig. 5 is the structural representation of connector clip of the present utility model;
Fig. 6 is the structural representation of metal sealing steel ring of the present utility model;
Fig. 7 is the cut-away view of metal sealing steel ring of the present utility model;
Fig. 8 is the structural representation of snap ring of the present utility model.
In figure:
1-pipe joint; 101-flange end; 102-sea pipe connecting end; 121-fills face; 103-seal groove; 104-step surface; 141-screw hole;
2-metal sealing steel ring; 201-bayonet slot ring; 202-cambered surface;
3-snap ring;
4-connector clip; 401-draw-in groove; 402-gives prominence to pin; 403-back pressure hole passage; 404-breach;
5-backpressure passage;
O-passage;
P-etch resistant layer.
Embodiment
The following description and drawings illustrate specific embodiments of the present utility model fully, to enable those skilled in the art to put into practice them.Embodiment only represents possible change.Unless explicitly requested, otherwise independent parts and function are optional, and the order of operation can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.The scope of embodiment of the present utility model comprises the gamut of claims, and all obtainable equivalent of claims.In this article, these embodiments of the present utility model can be represented with term " model utility " individually or always, this is only used to conveniently, and if in fact disclose the model utility more than, be not the scope that automatically will limit this application be any single model utility or model utility design.
As shown in Figures 1 to 8, be the extra large pipe connection of flexibility described in the utility model, it is mainly used in being connected and fixed between two pipe joints 1, formed primarily of two connector clips 4, snap ring 3 and metal sealing steel ring 2.
One end of described pipe joint 1 is flange end 101, the other end is extra large pipe connecting end 102, the center of described pipe joint 1 is a passage O, connected by flexible extra large pipe between two of pipe joint 1 extra large pipe connecting ends 102 described in two in use, two flange ends 101 of pipe joint 1 described in two are connected and fixed, to realize its oil gas transmitting effect.
The end face of the flange end 101 of described pipe joint 1 has the seal groove 103 of the ring-type of a depression, the step surface 104 of depression is formed in the inside diameter ranges of this annular seal groove 103, be not communicated with between this step surface 104 with described seal groove 103, from the side of described flange end 101, then this step surface 104 is the transitional surface extended on described seal groove 103 direction around described passage O, it is also a toroidal surface, interior annulus is the passage of described pipe joint 1, outer toroid is the outer periphery of this step surface 104, and be not communicated with between this step surface 104 with described seal groove 103, shown in the sectional drawing in Fig. 4, described seal groove 103 and described step surface 104 are slightly in one " bow " font.
The described step surface 104 of each pipe joint 1 is equipped with the backpressure passage 5 that runs through described flange end 101, and this backpressure passage 5 runs through the flange end 101 of described pipe joint 1.
As shown in Figure 5, each described connector clip 4 is equipped with a back pressure hole passage 403, described back pressure hole passage is corresponding with the position of the backpressure passage of described flange end 101, the form of this back pressure hole passage 403 is not limit, in the present embodiment, it is by being formed by two breach 404 point-blank of described connector clip 4 both sides.
The other end of described pipe joint 1 is extra large pipe connecting end 102, the outer wall of this extra large pipe connecting end 102 is provided with a filling face, as shown in Figure 4, this filling face is by the tube wall inclined-plane that have a down dip of this other end to flange end direction, to make it fill injecting glue when being connected with a flexible extra large pipe, strengthen its effect of being tightly connected further.
Described connector clip 4 is for fixing and sealing two flange ends 101 of pipe joint 1 described in two in a state of use, it is formed by the two connector clips 4 that can be bonded into a cylinder-like structure, the inwall indent of this cylinder-like structure is also formed with a draw-in groove 401, is fixed in described draw-in groove 401 to make the metal sealing steel ring 2 between two flange end 101, two flange ends 101 of two pipe joints 1 under mated condition and two snap rings 3 be installed in described bayonet slot ring 201.
The both sides of each described connector clip 4 body extend two outstanding pin respectively, in the present embodiment, the each outstanding pin 402 of each described connector clip 4 is 4, as shown in Figure 2, each outstanding pin 402 described in corresponding two between connector clip 4 is fixed by screw-in version, uses four screw rods and eight nuts altogether.
As shown in FIG. 6 and 7, described metal sealing steel ring 2 is for having the circular ring of one fixed width, seal groove 103 internal diameter and the external diameter of flange end 101 end face of the circular ring of this metal sealing steel ring 2 and the pipe joint 1 of both sides match, be a bayonet slot ring 201 at the middle body of this circular ring, this bayonet slot ring 201 is the circumferential groove along described metal sealing steel ring 2 circumference, the both sides of described bayonet slot ring 201 are a cambered surface 202, the each described cambered surface 202 of both sides then contacts with the seal groove 103 of mounted pipe joint 1 respectively, be installed in the described seal groove 103 of each pipe joint 1 of both sides to make each cambered surface 202 of both sides.
For arranging two Semicircular snap rings 3 in the bayonet slot ring of described metal sealing steel ring 2, its structure as shown in Figure 8, in the present embodiment, on each described snap ring 3 evenly and be provided with two screw holes symmetrically, the step surface 104 at flange end 101 place is also provided with two corresponding with it screw holes, after in the seal groove 103 making the cambered surface 202 of the both sides of described metal sealing steel ring 2 be installed on two pipe joints 1, described metal sealing steel ring 2 is made to be fixed on step surface 104 on the flange end 1 of each pipe joint 1 by this snap ring 3, each snap ring 3 is made not easily to deviate from described seal groove 103 and affect normal use.
Further, described metal sealing steel ring 2, made by the metallic material by corrosion-resistant, high temperature resistant and high pressure, is a kind of metal sealing steel ring.
Of the present utility model another then in embodiment, the number of snap ring can also be two or more, it is respectively used to a certain section of place of the periphery circular arc of the bayonet slot ring 201 being fixed on described metal sealing steel ring 2, the effect of the fixing metal sealing steel rings identical with the present embodiment can also be played, be not therefore limited with two.
During concrete use, metal sealing steel ring 2 is placed on the sealing surface of a pipe joint 1, then two snap rings 3 are installed in the annular groove 201 of metal sealing steel ring 2, with screw by snap ring fixing and locking on the step surface 104 of pipe joint 1, then O RunddichtringO (not shown) is placed in the annular seal groove 103 of pipe joint 1, being docked to by another pipe joint 1 is provided with on the pipe joint 1 of metal sealing steel ring 2 again, after this by two connector clip 4 abutting joints on the abutted flange of pipe joint 1, finally fix with bolt and nut and lock.In whole installation process, ensure that the backpressure passage of two pipe joints aligns, and just in time also align with the back pressure hole passage of a certain clip.
Above-described embodiment is only for clearly illustrating that the utility model creates example, and the restriction not to the utility model embodiment.In order to the combination relation of each parts is clearly described, carry out usually describing around its function to various illustrative parts and annexation thereof above, combination as this parts realizes which kind of function, the design constraint depending on specific application and apply whole device.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all mode of executions.All within spirit of the present utility model and principle any apparent change of extending out or variation be still among the protection domain of this claim.
Claims (9)
1. the extra large pipe connection of flexibility, for connecing two pipe joints, each described pipe joint is close to each other and one end for connecting is a flange end, and the other end is extra large pipe connecting end, and each described pipe joint solid centre is a central passage, it is characterized in that,
The end face of the flange end of each described pipe joint has the annular seal groove of depression, in order to assemble O RunddichtringO, is formed with the step surface of depression in the inside diameter ranges of this annular seal groove, is not communicated with between this step surface with described seal groove;
Also include:
One metal sealing steel ring, it is the circular ring with one fixed width, and be bayonet slot ring in the central authorities of this width, the both sides of bayonet slot ring are cambered surface, and each described cambered surface is then located in the described seal groove of each pipe joint of both sides respectively;
Two snap rings, are part-annular structure, and the bayonet slot ring being installed in described metal sealing steel ring is interior with fixing described metal o-ring;
Two connector clips, a cylinder-like structure is formed when coordinating fixing, a draw-in groove is formed, with the metal sealing steel ring blocked between two flange ends of two pipe joints when docking, two flange ends and two snap rings be installed in described bayonet slot ring in this cylinder-like structure.
2. flexible extra large pipe connection as claimed in claim 1, is characterized in that, the outer wall of the other end of each described pipe joint is provided with a filling face, and it is the tube wall inclined-plane had a down dip to flange end direction, fills injecting glue during to be connected with a flexible extra large pipe.
3. flexible extra large pipe connection as claimed in claim 1, is characterized in that, the internal surface of described central passage is etch resistant layer.
4. flexible extra large pipe connection as claimed in claim 1, is characterized in that, each described step surface is equipped with the backpressure passage that runs through described flange end.
5. flexible extra large pipe connection as claimed in claim 1, is characterized in that, snap ring described in described step surface place and two is also provided with plural screw hole, is fixed on corresponding described step surface to make each described snap ring.
6. flexible extra large pipe connection as claimed in claim 1, is characterized in that, each described connector clip extension is provided with two outstanding pin, is fixed between each outstanding pin of connector clip described in two by screw-in version.
7. flexible extra large pipe connection as claimed in claim 4, is characterized in that, each described connector clip is equipped with a back pressure hole passage, and described back pressure hole passage is corresponding with the position of the backpressure passage of described flange end.
8. flexible extra large pipe connection as claimed in claim 4, it is characterized in that, the draw-in groove both sides of described connector clip are respectively equipped with a breach, form a back pressure hole passage described in two between breach, and this back pressure hole passage is corresponding with the position of the backpressure passage of described flange end.
9. flexible extra large pipe connection as claimed in claim 6, is characterized in that, each described connector clip extension is provided with four outstanding pin, is fixed between the outstanding pin of each correspondence by screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119242.2U CN204477565U (en) | 2015-02-28 | 2015-02-28 | Flexible extra large pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520119242.2U CN204477565U (en) | 2015-02-28 | 2015-02-28 | Flexible extra large pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477565U true CN204477565U (en) | 2015-07-15 |
Family
ID=53633356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520119242.2U Expired - Fee Related CN204477565U (en) | 2015-02-28 | 2015-02-28 | Flexible extra large pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204477565U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090526A (en) * | 2016-06-22 | 2016-11-09 | 南通市电站阀门有限公司 | Valve is blocked up in a kind of water pressure test |
| CN111450445A (en) * | 2020-04-12 | 2020-07-28 | 赣州江钨汽车改装有限公司 | Dedicated unmanned aerial vehicle of fire control |
| CN111473179A (en) * | 2020-04-28 | 2020-07-31 | 深圳海油工程水下技术有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN113236888A (en) * | 2021-05-25 | 2021-08-10 | 中国石油大学(北京) | Flexible connecting device |
-
2015
- 2015-02-28 CN CN201520119242.2U patent/CN204477565U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090526A (en) * | 2016-06-22 | 2016-11-09 | 南通市电站阀门有限公司 | Valve is blocked up in a kind of water pressure test |
| CN106090526B (en) * | 2016-06-22 | 2018-05-15 | 南通市电站阀门有限公司 | Valve is blocked up in a kind of water pressure test |
| CN111450445A (en) * | 2020-04-12 | 2020-07-28 | 赣州江钨汽车改装有限公司 | Dedicated unmanned aerial vehicle of fire control |
| CN111450445B (en) * | 2020-04-12 | 2021-10-26 | 赣州江钨汽车改装有限公司 | Dedicated unmanned aerial vehicle of fire control |
| CN111473179A (en) * | 2020-04-28 | 2020-07-31 | 深圳海油工程水下技术有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN111473179B (en) * | 2020-04-28 | 2024-03-29 | 中海油深圳海洋工程技术服务有限公司 | Sea pipe butt joint locking device and sea pipe butt joint structure |
| CN113236888A (en) * | 2021-05-25 | 2021-08-10 | 中国石油大学(北京) | Flexible connecting device |
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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: 20150715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |