CN205424194U - Flange formula seal for pipe joints device - Google Patents
Flange formula seal for pipe joints device Download PDFInfo
- Publication number
- CN205424194U CN205424194U CN201521040334.8U CN201521040334U CN205424194U CN 205424194 U CN205424194 U CN 205424194U CN 201521040334 U CN201521040334 U CN 201521040334U CN 205424194 U CN205424194 U CN 205424194U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- flange
- pipeline
- retaining ring
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 95
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000001815 facial effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a flange formula seal for pipe joints device, the device include the seal carrier body, two sealing washers, two locking rings and two flange, the both sides of the seal carrier body are sealing washer, locking ring and flange in proper order, the both sides of the seal carrier body are equipped with the keyway, flange's a side end face be equipped with with the seal carrier body on the draw -in groove that corresponds of keyway, flange's interior anchor ring is close to locking ring one side and be the taper surface, it is balanced with the locking ring, the locking ring is equipped with the opening, and interior anchor ring is equipped with snap ring or latch, and the nearly sealing washer of its surface one side is the male cone (strobilus masculinus), the one side and the locking ring of sealing washer are connected, and the opposite side supports with the sealed facial features of the seal carrier body. This application designs with the flange complex through the seal carrier body, locking ring, provide a simple structure, simple to operate, with low costs, sealing performance good and firm in connection's flange formula seal for pipe joints device.
Description
Technical field
This utility model relates to a kind of pipeline transport system, is specifically related to a kind of flange pipeline sealing device.
Background technology
In large-scale gas or liquid pipeline system, the problem that there is pipe line joint device seal durability.
Folder seal washer is sealed with flange by fluid piping system, uses and arise that oxidation, the problem such as aging after a period of time, cause system leakage and other a series of chain quality problems, and it is the highest to keep in repair the time of needs, cost.
For the installation of pipeline, commonly used flange form connects, needs to carry out Site Welding, then carry out leak-testing, if weld seam has the weld defects such as slag inclusion to need to do over again, the technical ability of in-site installation workman is had higher requirements, and have because forbidding getting angry in scene, it is impossible to carry out the possibility of REPAIR WELDING.Exist installation effectiveness lowly, the problem such as the most quick detachable；Flange joint is widely used in oil, chemical industry, the fields such as metallurgy, in the prior art, Flange joint also has a kind of form being to use pad, it is exactly two pipelines, pipe fitting or equipment, first it is individually fixed on a ring flange, then plus flange gasket between two ring flanges, finally with bolt, two ring flanges compressions are made the sealing ring dismountable joint of the axially compressed one combined closely with it, but this flange connection easily leaks in Practical Project, and leakage part is aoxidized by pad or ageing failure causes mostly, once leak, demounting bolt, lifting appliance changes pad and pressure test etc. again can delay certain production cycle.Therefore convenient maintenance when flange seal needs a kind of initial stage to put into operation all the time, later stage run a kind of design structure that can complete at short notice when going wrong to safeguard.
Owing to the common applying working condition of flexible graphite sealing ring is High Temperature High Pressure, in an oxidizing environment, the high temperature more than 450 DEG C just can make it start oxidation；Under usual environment under high pressure, pressure oscillation is also substantially without causing the soft graphite extrusion along the gap sheet on border；Therefore, flexible graphite sealing ring can realize long-term safety and seals reliably in temperature (less than 200 DEG C) low pressure (below the 1.6MPa) fluid piping system of static sealing.
Utility model content
The problems such as life-span, sealing and the installation effectiveness existed to solve pipeline in prior art to connect, this application provides a kind of good sealing effect, length in service life, low cost and the flange pipeline sealing device of firmly stable performance.Concrete technical scheme is as follows.
The application provides a kind of flange pipeline attachment means, and this device includes sealing support body (1), two sealing rings (2), two retaining rings (3) and two adpting flanges (4)；The both sides of described sealing support body (1) are connected with sealing ring (2), retaining ring (3) and adpting flange (4) successively；The two ends of described sealing support body (1) are provided with keyway (11)；One side end face of described adpting flange (4) is provided with the draw-in groove (41) corresponding with sealing the upper keyway (11) of support body (1), and the inner ring surface (42) of adpting flange (4) is taper surface (421) near retaining ring (3) side；The male cone (strobilus masculinus) (311) that the taper surface (421) of described adpting flange (4) and retaining ring (3) outer surface (31) are provided with offsets；Described retaining ring (3) inner surface (32) is provided with latch or snap ring (33) and locks with pipeline (6), nearly sealing ring (2) side of outer surface (31) is male cone (strobilus masculinus) (311), and its edge-on end face of nearly sealing ring one (34) offsets with sealing ring (2)；The side of described sealing ring (2) is connected with retaining ring (3), and opposite side and the sealing surface (12) sealing support body (1) offset.Described retaining ring male cone (strobilus masculinus) (311) length is not less than the length of the inner ring surface taper surface (421) of adpting flange.
Preferably, sealing ring described herein (2) is flexible graphite sealing ring.
Preferably, herein described device also includes that stripping ring (5), described stripping ring (5) are placed in the centre sealing support body (1), and two ends connect with the pipeline (6) of both sides respectively.
Preferably, described stripping ring (5) is made up of elastomeric material.
Preferably, described device also includes sealing ring baffle ring (7), the both sides being placed in sealing ring (2) of sealing ring baffle ring (7).Preferably, described sealing ring baffle ring (7) can be one or more.
When herein described pipeline is pipe with small pipe diameter, it is preferable that described retaining ring inner surface (32) is latch (33) shape, is a plurality of pointed tooth screw thread form, the attachment means of the application passes through pointed tooth screw thread clamping pipeline.When herein described pipeline is Large Diameter Pipeline, above-mentioned pointed tooth screw thread is difficult to and pipeline clamping, and at this moment, the joint of pipeline described herein is provided with indent (61), corresponding with indent (61), retaining ring inner surface (32) is snap ring (33) shape；Or the joint of described pipeline (6) is provided with boss (61), accordingly, retaining ring inner surface snap ring (33) is groove shapes.
Preferably, herein described retaining ring (3) is split ring；Described retaining ring (3) two ends anchor ring is provided with one or more open slot (35).
Preferably, herein described retaining ring male cone (strobilus masculinus) (311) length is not less than the length of adpting flange inner ring surface taper surface (421).
In actual application, first at the pipe joint of two pipelines (6), it is inserted in adpting flange (4), retaining ring (3), sealing ring (2) the most successively, then the keyway (11) at two ends sealing support body (1) is directed at insertion with the draw-in groove (41) of adpting flange (4), with bolt by position to two good Flange joint, tighten the connecting bolt of two adpting flanges (4), complete to install.
Beneficial effect:
1) the application is by sealing the matching design of support body and flange, it is provided that a kind of simple in construction, easy for installation, low cost, good seal performance and the attachment means being connected firmly；
2) carbon seal ring is used for static pipe-line system by the application, is equipped with corresponding attachment means, substantially increases the service life of static pipe-line system.
Accompanying drawing explanation
The detonation configuration schematic diagram of Fig. 1 flange pipeline sealing device；
The cross-sectional view of Fig. 2 flange pipeline sealing device；
Fig. 3 adpting flange and the attachment structure schematic diagram sealing support body；
Fig. 4 retaining ring lower surface is the structural representation of card odontoid；
Fig. 5 retaining ring lower surface is for blocking annular structural representation；
In figure: 1-seals support body, 2-sealing ring, 3-retaining ring, 4-adpting flange, 5-stripping ring, 6-pipeline, 7-sealing ring baffle ring, 11-seals the keyway of support body, 12-seals the sealing surface of support body, 31-retaining ring outer surface, 32-retaining ring inner surface, 33-snap ring or latch, the male cone (strobilus masculinus) of 311-retaining ring outer surface, the vertical end face of 34-retaining ring, 35-open slot, 36-opening, 41-adpting flange draw-in groove, 42-adpting flange inner ring surface, the taper surface of 421-adpting flange inner ring surface, 61-indent or boss.
Detailed description of the invention
Below in conjunction with the accompanying drawings the application is further explained.
As shown in Figure 1-2, a kind of flange pipeline schematic diagram of sealing device provided for the application, this device includes sealing support body 2, two retaining rings 3 of 1, two sealing rings and two adpting flanges 4；The both sides of described sealing support body 1 are connected with sealing ring 2, retaining ring 3 and adpting flange 4 successively；The two ends of described sealing support body 1 are provided with keyway 11；One side end face of described adpting flange 4 is provided with and seals the draw-in groove 41 that on support body 1, keyway 11 is corresponding, and the inner ring surface 42 of adpting flange 4 is taper surface 421 near retaining ring 3 side；The male cone (strobilus masculinus) 311 that the taper surface 421 of described adpting flange 4 is provided with retaining ring 3 outer surface 31 offsets；Described retaining ring 3 inner surface 32 is provided with latch or snap ring 33 is locked with pipeline 6, and nearly sealing ring 2 side of outer surface 31 is male cone (strobilus masculinus) 311, and its nearly edge-on end face of sealing ring one 34 offsets with sealing ring 2；The side of described sealing ring 2 is connected with retaining ring 3, and opposite side and the sealing surface 12 sealing support body 1 offset.
Dismounting and change part for convenience, it is preferable that herein described device also includes that stripping ring 5, described stripping ring 5 are placed in the centre sealing support body 1, and two ends connect with the pipeline 6 of both sides respectively.Preferably, described stripping ring 5 is made up of elastomeric material.
Preferably, described device also includes sealing ring baffle ring 7, the both sides being placed in sealing ring 2 of sealing ring baffle ring 7.Preferably, described sealing ring baffle ring 7 can be one or more.
Fig. 3 is the attachment structure schematic diagram sealing support body 1 with adpting flange 4.In order to make sealing support body 1 be connected more firm and convenient construction, reduction production cost with adpting flange 4, the corresponding side end face at described adpting flange 4 is provided with and seals the draw-in groove 41 that on support body 1, keyway 11 is corresponding.
When herein described pipeline is pipe with small pipe diameter, it is preferable that described retaining ring inner surface 32 is latch 33 shape, is a plurality of pointed tooth screw thread form, the attachment means of the application passes through pointed tooth screw thread clamping pipeline, as shown in Figure 4.When herein described pipeline is Large Diameter Pipeline, above-mentioned pointed tooth screw thread is difficult to and pipeline clamping, and at this moment, the joint of pipeline described herein is provided with indent 61, corresponding with indent 61, and retaining ring inner surface 32 is snap ring 33 shape；Or the joint of described pipeline 6 is provided with boss 61, accordingly, retaining ring inner surface snap ring 33 is groove shapes；As shown in Figure 5.Preferably, herein described retaining ring 3 is split ring；Described retaining ring 3 two ends anchor ring is provided with one or more open slot 35.
During actual installation, first at the pipe joint of two pipelines 6, it is inserted in adpting flange 4, retaining ring 3, sealing ring 2 the most successively, then the two ends sealing support body 1 is inserted respectively in the adpting flange 4 of both sides, adjust alignment keyway 11 and draw-in groove 41, tighten two adpting flanges 4, complete to install.
nullConcrete operation principle is: in actual application，First at the pipe joint of two pipelines 6, it is inserted in adpting flange 4 the most successively、Retaining ring 3、With sealing ring 2，Then the two ends sealing support body 1 are inserted respectively in the adpting flange 4 of both sides，Adjust alignment keyway 11 and draw-in groove 41，With bolt by position to two good Flange joint，Tighten the connecting bolt of two adpting flanges 4，Adpting flange moves axially and makes its taper surface 421 extrude retaining ring 3，Retaining ring 3 is under the pushing of adpting flange taper surface 421，Move both axially and radially，Adpting flange taper surface 421 continues to push，The male cone (strobilus masculinus) 311 of extruding retaining ring 3，It is made radially to continue to run with，And then the latch 33 of retaining ring 3 is engaged pipeline or snap ring 33 agrees with indent 61，Retaining ring 3 has open slot 35，Ensure retaining ring 3 more large deformation radially.Adpting flange taper surface 421 continues to push retaining ring 3, makes adpting flange taper surface 421 compress retaining ring 3 and reaches the radial direction maximum amount of feeding of retaining ring 3.Adpting flange taper surface 421 drives retaining ring 3 to be advanced axially relative with pipeline, crush seal circle 2, compresses sealing ring 2, and sealing ring 2 deforms the most radially inward and outwards, will fully seal between pipeline 6 and sealing support body 1.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; conceive equivalent or change in addition according to the technical solution of the utility model and utility model thereof, all should contain within protection domain of the present utility model.
Claims (9)
1. a flange pipeline sealing device, it is characterised in that this device includes sealing support body (1), two sealing rings (2), two retaining rings (3) and two adpting flanges (4)；The both sides of described sealing support body (1) are connected with sealing ring (2), retaining ring (3) and adpting flange (4) successively；The two ends of described sealing support body (1) are provided with keyway (11)；One side end face of described adpting flange (4) is provided with the draw-in groove (41) corresponding with sealing the upper keyway (11) of support body (1), and the inner ring surface (42) of adpting flange (4) is taper surface (421) near retaining ring (3) side；The male cone (strobilus masculinus) (311) that the taper surface (421) of described adpting flange (4) and retaining ring (3) outer surface (31) are provided with offsets；Described retaining ring (3) inner surface (32) is provided with snap ring (33) and locks with pipeline (6), and nearly sealing ring (2) side of outer surface (31) is male cone (strobilus masculinus) (311), and its edge-on end face of nearly sealing ring one (34) offsets with sealing ring (2)；The side of described sealing ring (2) is connected with retaining ring (3), and opposite side and the sealing surface (12) sealing support body (1) offset.
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that described sealing ring (2) is flexible graphite sealing ring.
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that described device also includes that stripping ring (5), described stripping ring (5) are placed in the centre sealing support body (1), and two ends connect with the pipeline (6) of both sides respectively.
A kind of flange pipeline sealing device the most according to claim 3, it is characterised in that described stripping ring (5) is made up of elastomeric material.
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that described device also includes that sealing ring baffle ring (7), sealing ring baffle ring (7) are placed in the both sides of sealing ring (2).
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that the latch (33) of described retaining ring inner surface is a plurality of pointed tooth screw thread.
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that the joint of described pipeline (6) is provided with indent (61), and accordingly, retaining ring inner surface snap ring (33) is projection shape.
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that described retaining ring (3) is split ring；Described retaining ring (3) two ends anchor ring is provided with one or more open slot (35).
A kind of flange pipeline sealing device the most according to claim 1, it is characterised in that described retaining ring male cone (strobilus masculinus) (311) length is not less than the length of the inner ring surface taper surface (421) of adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040334.8U CN205424194U (en) | 2015-12-15 | 2015-12-15 | Flange formula seal for pipe joints device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040334.8U CN205424194U (en) | 2015-12-15 | 2015-12-15 | Flange formula seal for pipe joints device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205424194U true CN205424194U (en) | 2016-08-03 |
Family
ID=56516077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521040334.8U Active CN205424194U (en) | 2015-12-15 | 2015-12-15 | Flange formula seal for pipe joints device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205424194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288233A (en) * | 2018-12-07 | 2020-06-16 | 江苏金泰密封科技有限公司 | A kind of pipeline elastic seal |
-
2015
- 2015-12-15 CN CN201521040334.8U patent/CN205424194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111288233A (en) * | 2018-12-07 | 2020-06-16 | 江苏金泰密封科技有限公司 | A kind of pipeline elastic seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205424190U (en) | Flange formula pipe fitting seal for pipe joints device | |
| CN106885076A (en) | A kind of flange pipeline attachment means | |
| CN106885075A (en) | A kind of cavate flanged fitting assembling pipe joint | |
| CN201836571U (en) | A pipe quick connector | |
| CN205424194U (en) | Flange formula seal for pipe joints device | |
| CN107035872B (en) | Improved connecting rod driving mechanism of butterfly valve plate | |
| CN106885077A (en) | A kind of assembling pipe joint of use flexible graphite sealing ring static sealing | |
| CN201925631U (en) | Stainless steel hard-seal pipe connector | |
| CN204611152U (en) | Weld-ring pipe clamp | |
| CN206708600U (en) | A kind of outer fixed ring type HDPE Flange attachment means | |
| CN207316347U (en) | A kind of three-way pipeline self-tightening sealing formula blocking clamper | |
| CN206361290U (en) | Metering and measuring equipment pipeline rapid abutting joint flange assembly | |
| CN201748081U (en) | Emergency rescue pipeline capable of being fast connected | |
| CN204755380U (en) | Load and unload convenient rotary jetting mechanical seal device for pump | |
| CN211398860U (en) | Clamp formula annular pipe connects flexible line connection structure | |
| CN106959192B (en) | Socket type pipeline hydraulic test system | |
| CN108104760A (en) | One kind is used for tubing hanger end metal sealing structure | |
| CN207609893U (en) | A kind of pipeline connection self-tightening differential | |
| CN222687587U (en) | A leak-proof stainless steel gas pipe | |
| CN202132632U (en) | A leak-proof device for flange joints | |
| CN204805775U (en) | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device | |
| CN207935625U (en) | Leaking stoppage fixture | |
| CN201448434U (en) | Spring type anti-loose composite seal washer | |
| CN207094060U (en) | A kind of sealing structure for mechanical three-way | |
| CN204756216U (en) | Two withstand voltage prevention of seepage pipeline connecting device of contact surface metal seal of clamp locking formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |