CN205078957U - Flanged connectors - Google Patents

Flanged connectors Download PDF

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Publication number
CN205078957U
CN205078957U CN201520677779.0U CN201520677779U CN205078957U CN 205078957 U CN205078957 U CN 205078957U CN 201520677779 U CN201520677779 U CN 201520677779U CN 205078957 U CN205078957 U CN 205078957U
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CN
China
Prior art keywords
flange
seal groove
active part
striped
coupling connector
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.)
Active
Application number
CN201520677779.0U
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Chinese (zh)
Inventor
张印桐
叶永彪
王杰文
陈再胜
王火平
刘沄
谭珮琮
王立权
刘军
王鹏鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Sea Oil Engineering Underwater Technology Co.,Ltd.
China National Offshore Oil Corp CNOOC
Harbin Engineering University
CNOOC Deepwater Development Ltd
Original Assignee
SHENZHEN SEA OIL ENGINEERING UNDERWATER TECHNOLOGY CO LTD
China National Offshore Oil Corp CNOOC
Harbin Engineering University
CNOOC Deepwater Development Ltd
Priority date (The priority date 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 date listed.)
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Application filed by SHENZHEN SEA OIL ENGINEERING UNDERWATER TECHNOLOGY CO LTD, China National Offshore Oil Corp CNOOC, Harbin Engineering University, CNOOC Deepwater Development Ltd filed Critical SHENZHEN SEA OIL ENGINEERING UNDERWATER TECHNOLOGY CO LTD
Priority to CN201520677779.0U priority Critical patent/CN205078957U/en
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Publication of CN205078957U publication Critical patent/CN205078957U/en
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Abstract

The utility model discloses a flanged connectors, including first flange, through a bolt and a flange joint's second flange in opposite directions, be equipped with the sealing washer between first flange and the second flange, be equipped with the seal groove that corresponds with the sealing washer on the sealed face of first flange and the sealed face of second flange respectively, the sealing washer inlays in the seal groove and paste tightly with the lateral wall cooperation of seal groove to form the sealed of sealed face, set up the first through -hole towards the seal groove bottom on the sealing washer, seted up on the second flange and link up the passageway, link up the bottom that the passageway communicates the seal groove of the outside of second flange and second flange to it communicates with each other with first through -hole to link up the passageway. Implement the technical scheme of the utility model, when satisfying sealed the requirement, be convenient for detect the encapsulated situation of sealing washer to the be convenient for alignment and the connection of pipeline.

Description

Flange coupling connector
Technical field
The utility model relates to pipeline connection area, especially relates to a kind of flange coupling connector.
Background technique
Flange can be used between pipeline with pipeline to dock, and is namely that the opening of two pipelines arranges flange respectively, couples together after then being aimed at by two flanges.Seal ring is typically provided with, to realize the sealing of flange between the flange of two docking.
But after Flange joint, whether the sealing state being difficult to detect seal ring is good, if the sealing state of seal ring is not good, then may cause the leakage of fluids within pipes.
In addition, in some complex environments, such as, in seabed, more difficult to the operation of pipeline and flange, not easily realize the aligning of flange.
Model utility content
The technical problems to be solved in the utility model is, for above-mentioned defect of the prior art, provides the flange coupling connector that a kind of sealing state being convenient to testing seal ring is aimed at.
The utility model solves the technological scheme that its technical problem adopts: construct a kind of flange coupling connector, comprise the first flange, the second flange in opposite directions by bolt and the first Flange joint, be provided with seal ring between first flange and the second flange, the sealing surface of the first flange and the sealing surface of the second flange are respectively equipped with the seal groove corresponding with seal ring; Seal ring is embedded in coordinate in seal groove and with the sidewall of seal groove and is adjacent to, to form the sealing of sealing surface; Seal ring offer towards the first through hole bottom seal groove; Second flange offers through channel, and through channel is communicated with the bottom of the outside of the second flange and the seal groove of the second flange, and through channel communicates with the first through hole;
The sidewall of the first flange is provided with the first axial striped, and the sidewall of the second flange is provided with second striped corresponding with the first striped.
Preferably, retention gap between seal ring and the bottom of seal groove.
Preferably, seal groove is dovetail groove, and the spacing between two sidewalls of seal groove increases from bottom surface gradually to opening direction.
Preferably, the cross section of seal ring is Hexagon or Octagon, and has the sidewall of fitting with seal groove sidewall.
Preferably, the first flange comprises the fixing part of tubulose and the active part of ring-type, and active part can be set on fixing part rotatably about the axis, and the sealing surface of the first flange is located on fixing part, and the first striped is arranged on the sidewall of active part;
On the second flange, be provided with the second bolt hole be equally spaced around axis; Active part offers first bolt hole corresponding with the second bolt hole, for bolt by the first flange and the second Flange joint.
Preferably, second flange comprises the fixing part of tubulose and the active part of ring-type, and active part can be set on fixing part rotatably about the axis, and the sealing surface of the second flange is located on fixing part, second striped is arranged on the sidewall of active part, and through channel is arranged in fixing part;
On the first flange, be provided with the first bolt hole be equally spaced around axis; Active part offers second bolt hole corresponding with the first bolt hole, for bolt by the first flange and the second Flange joint.
Preferably, the one end at the sealing surface place of fixing part is provided with flange, and the other end is arranged with back-up ring; The front abutment of active part is on flange, and the back side of active part is blocked by back-up ring, deviates from from fixing part to stop active part.
Preferably, through channel comprise be interconnected be parallel to the second flange shaft to parallel-segment and perpendicular to the second flange shaft to vertical section, parallel-segment leads to the bottom of the seal groove of the second flange, and vertical section leads to the outside of the second flange.
Preferably, the distribution of the first striped is corresponding with the position of the first bolt hole, and the distribution of the second striped is corresponding with the position of the second bolt hole.
Preferably, the one end open of leading to the second flange outside of through channel is provided with the type of tamper evidence for this opening of shutoff.
Implement the technical solution of the utility model, at least there is following beneficial effect:
While meeting seal request, be convenient to the sealing state detecting seal ring, and be convenient to aligning and the connection of pipeline.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic perspective view of the flange coupling connector in the utility model one preferred implementation.
Fig. 2 is that schematic diagram is looked on a left side for flange coupling connector in Fig. 1.
Fig. 3 is the cross-sectional schematic of the A-A position of a preferred implementation in Fig. 2.
Fig. 4 is the close-up schematic view of P position in Fig. 3.
Fig. 5 is that schematic diagram is looked on the right side of the first flange in Fig. 1.
Fig. 6 is the cross-sectional schematic of B-B position in Fig. 5.
Fig. 7 is that schematic diagram is looked on a left side for the second flange in Fig. 1.
Fig. 8 is the cross-sectional schematic of the C-C position in Fig. 7.
Fig. 9 is the cross-sectional schematic of the seal ring in Fig. 3.
Figure 10 is the cross-sectional schematic of the A-A position of another preferred implementation in Fig. 2.
Wherein, 1. the first flange, 110. fixing parts, 120. active parts, 130. back-up rings, 140. seal grooves, 11. first stripeds, 12. first bolts hole, 2. the second flange, 21. through channel, 211. parallel-segment, 212. vertical sections, 22. second stripeds, 23. second bolts hole, 24. type of tamper evidence, 3. seal ring, 31. first through hole, 4. bolts.
Embodiment
In order to there be understanding clearly to technical characteristics of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1 to 9, flange coupling connector in the utility model preferred implementation, comprise the first flange 1 being located at a pipeline one end and the second flange 2 being located at another pipeline one end, first flange 1 and the second flange 2 are in opposite directions and be connected by bolt 4, and the axis of the first flange 1 is overlapping with the axis of the second flange 2, so that this two segment pipe is communicated with.
As shown in Fig. 3 to 9, be provided with seal ring 3 between the first flange 1 and the second flange 2, seal ring 3 ringwise, the sealing surface of the first flange 1 and the sealing surface of the second flange 2 is respectively equipped with the seal groove 140 corresponding with seal ring 3; Seal ring 3 is embedded in coordinate in seal groove 140 and with the sidewall of seal groove 140 and is adjacent to, to form the sealing of sealing surface.Preferably, seal groove 140 is dovetail groove, and the spacing between two sidewalls of seal groove 140 increases from bottom surface gradually to opening direction; The cross section of seal ring 3 is Octagon, and have the sidewall of fitting with seal groove 140 sidewall, will be understood that, the cross section of seal ring 3 is not defined as Octagon, also can be Hexagon, circle or oval, be adjacent to as long as seal ring 3 can coordinate with the sidewall of seal groove 140.
As Fig. 3,4, shown in 7 and 8, the second flange 2 offers through channel 21, and through channel 21 is communicated with the bottom of the outside of the second flange 2 and the seal groove 140 of the second flange 2.Preferably, through channel 21 comprises the parallel-segment 211 being parallel to the second flange 2 axis that is interconnected and the vertical section 212 perpendicular to the second flange 2 axis, parallel-segment 211 leads to the bottom of the seal groove 140 of the second flange 2, vertical section 212 leads to the outside of the second flange 2, and parallel-segment 211 and vertical section 212 form the through channel 21 of L shape.The one end open of leading to the second flange 2 outside of through channel 21 is provided with the type of tamper evidence 24 for this opening of shutoff, when not using through channel 21, type of tamper evidence 24 can prevent foreign matter from entering through channel 21, such as, when this flange coupling connector is applied to submarine pipeline, type of tamper evidence 24 can prevent seawater from entering in through channel 21; When using through channel 21, type of tamper evidence 24 is taken off.The type of this type of tamper evidence 24 does not limit, such as, can be plug.As shown in Fig. 3,4 and 9, seal ring 3 offers towards the first through hole 31 bottom seal groove 140, through channel 21 communicates with this first through hole 31, and retention gap between the bottom of seal ring 3 and seal groove 140.First through hole 31 for be communicated with the first flange 1 and the second flange 2 separately on seal groove 140, through channel 21 for communication seals ring recess 140 and external detection equipment, to detect the sealing state of seal ring 3.
As Fig. 1,2, shown in 5 and 7, the sidewall that the sidewall of the first flange 1 is provided with the first axial striped 11, second flange 2 is provided with second striped 22 corresponding with the first striped 11.This first striped 11 and the second striped 22 are aimed at for the first flange 1 and the second flange 2.
As shown in Fig. 3 to 8, first flange 1 is lap joint flange, it comprises the fixing part 110 of tubulose and the active part 120 of ring-type, fixing part 110 is fixedly connected on its pipeline, active part 120 can be set on fixing part 110 rotatably about the axis, the sealing surface of the first flange 1 is located on fixing part 110, and the first striped 11 is arranged on the sidewall of active part 120.On the second flange 2, be provided with the second bolt hole 23 be equally spaced around axis; Active part 120 offers first bolt hole 12 corresponding with the second bolt hole 23, for bolt 4, first flange 1 is connected with the second flange 2.
Will be understood that, also can be the second flange 2 be lap joint flange, as shown in Figure 10, it comprises the fixing part 110 of tubulose and the active part 120 of ring-type, fixing part 110 is fixedly connected on its pipeline, and active part 120 can be set on fixing part 110 rotatably about the axis, and the sealing surface of the second flange 2 is located on fixing part 110, second striped 22 is arranged on the sidewall of active part 120, and through channel 21 is arranged in fixing part 110.On the first flange 1, be provided with the first bolt hole 12 be equally spaced around axis; Active part 120 offers second bolt hole 23 corresponding with the first bolt hole 12, for bolt 4, first flange 1 is connected with the second flange 2.
Preferably, as Fig. 1,2, shown in 5 and 7, the distribution of the first striped 11 is corresponding with the position of the first bolt hole 12, the distribution of the second striped 22 is corresponding with the position of the second bolt hole 23, as long as make the first striped 11 aim at the second striped 22, aiming at of the first bolt hole 12 and the second bolt hole 23 can be completed.
As illustrated in Figures 5 and 6, the one end at the sealing surface place of fixing part 110 is provided with flange, and the other end is arranged with back-up ring 130; The front abutment of active part 120 is on flange, and the back side of active part 120 is blocked by back-up ring 130, deviates from from fixing part 110 to stop active part 120.The type of this back-up ring 130 does not limit, and can be axle-steel silk thread back-up ring 130 or check ring 130 etc., and this back-up ring 130 is stuck in the corresponding groove that fixing part 110 is offered with fixing.
When using this flange coupling connector to carry out connecting tube, by two segment pipe alignment, and seal ring 3 is arranged between first, second flange 1,2, rotate active part 120, first striped 11 is aimed at the second striped 22, aiming at of the first bolt hole 12 and the second bolt hole 23 can be completed, finally penetrate corresponding bolt hole with bolt 4 and screw, just completing the connection of pipeline.
If this flange coupling connector is applied to submarine pipeline, then bolt 4 can be the special bolt that seabed uses, and this special bolt can use existing techniques in realizing, did not repeat them here.
When detecting the sealing state of seal ring 3, type of tamper evidence 24 is taken off from through channel 21 opening, toward through channel 21 in, passes into liquid and apply pressure, in the gap that liquid is filled with a sealing bottom circle 3 and seal groove 140 thereupon.The hydraulic pressure of tracer liquid, if stability hydraulic, then says that the sealing state of seal ring 3 is good; If hydraulic pressure declines, then illustrate that the sealing state of seal ring 3 is not good, flange coupling connector has leakage.Will be understood that, not only available liquid detects, and can also use gas detect, be reflected the sealing state of seal ring 3 by the state detecting its air pressure.
This flange coupling connector, while meeting seal request, is provided with sealing detection structure, is convenient to the sealing state detecting seal ring, and is provided with the first striped and the second striped, be convenient to aligning and the connection of pipeline.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various change, combination and change.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.

Claims (10)

1. a flange coupling connector, the second flange (2) in opposite directions comprise the first flange (1), being connected by bolt with described first flange (1), it is characterized in that, be provided with seal ring (3) between described first flange (1) and described second flange (2), the sealing surface of described first flange (1) and the sealing surface of described second flange (2) are respectively equipped with the seal groove (140) corresponding with described seal ring (3); Described seal ring (3) is embedded in coordinate in described seal groove (140) and with the sidewall of described seal groove (140) and is adjacent to, to form the sealing of sealing surface; Described seal ring (3) offer towards first through hole (31) of described seal groove (140) bottom; Described second flange (2) offers through channel (21), described through channel (21) is communicated with the bottom of the outside of described second flange (2) and the seal groove (140) of described second flange (2), and described through channel (21) communicates with described first through hole (31);
The sidewall of described first flange (1) is provided with axial the first striped (11), and the sidewall of described second flange (2) is provided with second striped (22) corresponding with described first striped (11).
2. flange coupling connector according to claim 1, is characterized in that, retention gap between the bottom of described seal ring (3) and described seal groove (140).
3. flange coupling connector according to claim 1, is characterized in that, described seal groove (140) is dovetail groove, and the spacing between two sidewalls of described seal groove (140) increases from bottom surface gradually to opening direction.
4. flange coupling connector according to claim 1, is characterized in that, the cross section of described seal ring (3) is Hexagon or Octagon, and has the sidewall of fitting with described seal groove (140) sidewall.
5. flange coupling connector according to claim 1, it is characterized in that, described first flange (1) comprises the fixing part (110) of tubulose and the active part (120) of ring-type, described active part (120) can be set on described fixing part (110) rotatably about the axis, the sealing surface of described first flange (1) is located on described fixing part (110), and described first striped (11) is arranged on the sidewall of described active part (120);
On described second flange (2), be provided with the second bolt hole (23) be equally spaced around axis; Described active part (120) offers first bolt hole (12) corresponding with described second bolt hole (23), for bolt, described first flange (1) is connected with described second flange (2).
6. flange coupling connector according to claim 1, it is characterized in that, described second flange (2) comprises the fixing part (110) of tubulose and the active part (120) of ring-type, described active part (120) can be set on described fixing part (110) rotatably about the axis, the sealing surface of described second flange (2) is located on described fixing part (110), described second striped (22) is arranged on the sidewall of described active part (120), and described through channel (21) is arranged in described fixing part (110);
On described first flange (1), be provided with the first bolt hole (12) be equally spaced around axis; Described active part (120) offers second bolt hole (23) corresponding with described first bolt hole (12), for bolt, described first flange (1) is connected with described second flange (2).
7. the flange coupling connector according to claim 5 or 6, is characterized in that, the one end at the sealing surface place of described fixing part (110) is provided with flange, and the other end is arranged with back-up ring (130); The front abutment of described active part (120) is on described flange, the back side of described active part (120) is blocked by described back-up ring (130), deviates from from described fixing part (110) to stop described active part (120).
8. the flange coupling connector according to claim 5 or 6, it is characterized in that, described through channel (21) comprise be interconnected be parallel to the axial parallel-segment (211) of described second flange (2) and perpendicular to the axial vertical section (212) of described second flange (2), described parallel-segment (211) leads to the bottom of the seal groove (140) of described second flange, and described vertical section (212) leads to the outside of described second flange (2).
9. the flange coupling connector according to claim 5 or 6, it is characterized in that, the distribution of described first striped (11) is corresponding with the position of described first bolt hole (12), and the distribution of described second striped (22) is corresponding with the position of described second bolt hole (23).
10. flange coupling connector according to claim 9, is characterized in that, the one end open of leading to described second flange (2) outside of described through channel (21) is provided with the type of tamper evidence (24) for this opening of shutoff.
CN201520677779.0U 2015-09-01 2015-09-01 Flanged connectors Active CN205078957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520677779.0U CN205078957U (en) 2015-09-01 2015-09-01 Flanged connectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520677779.0U CN205078957U (en) 2015-09-01 2015-09-01 Flanged connectors

Publications (1)

Publication Number Publication Date
CN205078957U true CN205078957U (en) 2016-03-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520677779.0U Active CN205078957U (en) 2015-09-01 2015-09-01 Flanged connectors

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Country Link
CN (1) CN205078957U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000539A1 (en) * 2016-06-26 2018-01-04 杨越 Unmanned shipborne pipeline connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018000539A1 (en) * 2016-06-26 2018-01-04 杨越 Unmanned shipborne pipeline connector

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee after: CNOOC Deepwater Development Limited

Patentee after: China Offshore Oil Group Co., Ltd.

Co-patentee after: Shenzhen Sea Oil Engineering Underwater Technology Co.,Ltd.

Co-patentee after: Harbin Engineering Univ.

Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No.

Co-patentee before: CNOOC Deepwater Development Limited

Patentee before: China National Offshore Oil Corporation

Co-patentee before: Shenzhen Sea Oil Engineering Underwater Technology Co.,Ltd.

Co-patentee before: Harbin Engineering Univ.