CN205424190U - Flange formula pipe fitting seal for pipe joints device - Google Patents
Flange formula pipe fitting seal for pipe joints device Download PDFInfo
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- CN205424190U CN205424190U CN201521042699.4U CN201521042699U CN205424190U CN 205424190 U CN205424190 U CN 205424190U CN 201521042699 U CN201521042699 U CN 201521042699U CN 205424190 U CN205424190 U CN 205424190U
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Abstract
The utility model discloses a flange formula pipe fitting seal for pipe joints device, including cavate flanged pipe, sealing washer, locking ring and supported flange, sealing washer, locking ring and supported flange and cavate flanged pipe connect gradually, a side end face of supported flange be equipped with with cavate flanged pipe on the draw -in groove structure that corresponds of keyway, the interior anchor ring of supported flange is close to locking ring one side and is the taper surface, the taper surface offsets with the male cone (strobilus masculinus) of locking ring, the locking ring internal surface is equipped with latch or snap ring and pipeline locking, and the nearly sealing washer of surface one side is the male cone (strobilus masculinus), and its nearly sealing washer on -edge terminal surface offsets with the sealing washer, the one side and the locking ring of sealing washer are connected, and the opposite side supports with cavate flanged pipe's sealed facial features. This application designs through sealing washer, locking ring and flange complex, provide a simple structure, simple to operate, with low costs, sealing performance good and firm in connection's flange formula pipe fitting seal for pipe joints device.
Description
Technical field
This utility model relates to a kind of fluid circuit induction system, is specifically related to a kind of flange type pipe fitting pipeline sealing device.
Background technology
In large-scale gas or liquid pipeline system, the problem that all 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 flange tensions 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 pressure test etc. again can delay certain production duration.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.
Utility model content
The problems such as life-span, sealing and the installation effectiveness existed to solve pipeline in prior art to couple, this application provides a kind of good sealing effect, length in service life and the flange type pipe fitting pipeline sealing device of firmly stable performance.Concrete technical scheme is as follows.
The application provides a kind of flange type pipe fitting pipeline sealing device, and this device includes cavate flanged fitting (1), sealing ring (2), retaining ring (3) and supported flange (4)；Described cavate flanged fitting (1) includes cavate main body (11), annular seal space (12), sealing flange (13) and seals support body (14), cavate main body (11) is structure as a whole with sealing flange (13) or fixes and is connected, the side of described sealing support body (14) is provided with keyway (141), it is structure as a whole with sealing flange (13) or fixes and be connected, be sealing ring (2), retaining ring (3) and supported flange (4) successively in described annular seal space (12)；One side end face of described supported flange (4) is provided with the draw-in groove (41) corresponding with sealing the upper keyway (141) of support body (14), and the inner ring surface (42) of supported flange (4) is taper surface (421) near retaining ring (3) side；The male cone (strobilus masculinus) (311) that the taper surface (421) of described supported 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 offsets with the sealing surface (121) in cavate flanged fitting annular seal space (12).
Preferably, male cone (strobilus masculinus) (311) length of described retaining ring is not less than the length of the taper surface (421) of supported flange (4).
Preferably, described device also includes that sealing ring baffle ring (5), the side of sealing ring baffle ring (5) offset with sealing ring (2), and opposite side connects with retaining ring (3)；It also is provided with sealing ring baffle ring (5) between the sealing surface (121) and sealing ring (2) of described cavate flanged fitting annular seal space.
Preferably, described sealing ring baffle ring (5) is one or more.
Preferably, the latch (33) of described retaining ring inner surface is a plurality of pointed tooth screw thread.
Preferably, the joint of described pipeline (6) is provided with indent (61), and accordingly, retaining ring inner surface is snap ring (33), and described snap ring (33) is projection 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, 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, sealing ring described herein is flexible graphite sealing ring.
Beneficial effect: the application is by retaining ring and flange and the matching design of annular seal space, it is provided that a kind of simple in construction, easy for installation, low cost, good seal performance and the sealing device being connected firmly；Substantially increase the service life of pipe-line system.
Accompanying drawing explanation
The structural representation of Fig. 1 flange type pipe fitting pipeline sealing device；
The cross-sectional view of Fig. 2 flange type pipe fitting pipeline sealing device；
The structural representation of Fig. 3 cavate flanged fitting；
Fig. 4 cavate flanged fitting and the structural representation of Flange joint；
Fig. 5 retaining ring lower surface is the structural representation of card odontoid；
Fig. 6 retaining ring lower surface is for blocking annular structural representation；
In figure: 1-cavate flanged fitting, 2-sealing ring, 3-retaining ring, 4-supported flange, 11-cavate main body, 12-annular seal space, 13-sealing flange, 14-seals support body, the sealing surface of 121-cavate flanged fitting, 141-seals the keyway of support body, 31-retaining ring outer surface, 311-retaining ring male cone (strobilus masculinus), 32-retaining ring inner surface, 33-snap ring or latch, 34-retaining ring founds end face, 35-open slot, 36-opening, draw-in groove on 41-supported flange end face, 42-supported flange inner ring surface, the taper surface of 421-supported flange inner ring surface, 5-sealing ring baffle ring, 6-pipeline, 61-indent or boss.
Detailed description of the invention
Below in conjunction with the accompanying drawings the application is further explained.
As illustrated in fig. 1 and 2, a kind of flange type pipe fitting pipeline sealing device provided for the application, this device includes cavate flanged fitting 1, sealing ring 2, retaining ring 3 and supported flange 4；Described cavate flanged fitting 1 includes cavate main body 11, annular seal space 12, sealing flange 13 and seals support body 14, cavate main body 11 is structure as a whole with sealing flange 13 or fixes and is connected, the one or both sides of described sealing support body 14 are provided with keyway 141, it is structure as a whole with sealing flange 13 or fixes and be connected, be sealing ring 2, retaining ring 3 and supported flange 4 successively in described annular seal space 12；One side end face of described supported flange 4 is provided with and seals the draw-in groove 41 that on support body 14, keyway 141 is corresponding, and the inner ring surface 42 of supported flange 4 is taper surface 421 near retaining ring 3 side；The male cone (strobilus masculinus) 311 that the taper surface 421 of described supported 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 offsets with the sealing surface 121 in cavate flanged fitting annular seal space 12.
Described device also includes that sealing ring baffle ring 5, the side of sealing ring baffle ring 5 offset with sealing ring 2, and opposite side connects with retaining ring 3.It also is provided with sealing ring baffle ring 5 between sealing surface 121 and the sealing ring 2 of described cavate flanged fitting annular seal space.Described sealing ring baffle ring 5 can be one or more；As shown in the figures 1 and 2.
Fig. 3 and Fig. 4 be cavate flanged fitting 1 and and supported flange 4 between attachment structure schematic diagram.It is structure as a whole between the cavate main body 11 of described cavate flanged fitting and sealing flange 13 or the fixing mode being connected, the side of described sealing support body 14 is provided with keyway 141, it is structure as a whole with sealing flange 13 or the fixing mode being connected, in order to make cavate flanged fitting 1 be connected more firm and convenient construction, reduction production cost with supported flange 4, the corresponding side end face at described supported flange 4 is provided with and seals the draw-in groove 41 that on support body 14, keyway 141 is corresponding.
Retaining ring 3 described herein is split ring.Meanwhile, in order to increase the elasticity of retaining ring 3, the two ends anchor ring of retaining ring 3 is provided with one or more open slot 35.As illustrated in Figures 5 and 6.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 6, as shown in Figure 5；When herein described pipeline is Large Diameter Pipeline, above-mentioned pointed tooth screw thread is difficult to and pipeline 6 clamping, 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, described snap ring 33 is projection shape, as shown in Figure 6；Or the joint of described pipeline 6 is provided with boss 61, accordingly, retaining ring inner surface be snap ring 33 be groove shapes.
nullConcrete operation principle is: in actual application，First at the pipe joint of pipeline 6, it is inserted in supported flange 4 successively、Retaining ring 3、Sealing ring 2，Insert the most together in the annular seal space 12 of cavate flanged fitting 1，Then the keyway 141 sealed on support body 14 of the draw-in groove 41 on supported flange 4 with cavate flanged fitting is adjusted good，Tighten supported flange 4，Supported flange 4 moves axially and makes the taper surface 421 on inner ring surface 42 extrude retaining ring 3，Retaining ring 3 is under the pushing of the taper surface 421 of supported flange，Move both axially and radially，After retaining ring 3 is arrived on top，The taper surface 421 of supported flange continues to push，The male cone (strobilus masculinus) 311 of its conical surface extruding retaining ring 3，It is made radially to run，And then the latch 33 of retaining ring 3 is engaged pipeline or snap ring 33 and agrees with indent or boss 61.Retaining ring 3 has open slot 35, it is ensured that retaining ring 3 more large deformation radially.The taper surface 421 of supported flange continues to push retaining ring 3, and the taper surface 421 on supported flange inner ring surface can cross retaining ring 3, and its rearward plane portion extrusion retaining ring 3 reaches the radial direction maximum amount of feeding of retaining ring 3.Taper surface 421 moves on, and its facade part holds out against with retaining ring facade 34, drives retaining ring 3 to be advanced axially relative with pipeline, crush seal circle 2, compressing sealing ring 2, sealing ring 2 deforms the most radially upward and downwards, will fully seal between pipeline 6 and annular seal space 12.
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 (8)
1. a flange type pipe fitting pipeline sealing device, it is characterised in that this device includes cavate flanged fitting (1), sealing ring (2), retaining ring (3) and supported flange (4)；Described cavate flanged fitting (1) includes cavate main body (11), annular seal space (12), sealing flange (13) and seals support body (14), cavate main body (11) is structure as a whole with sealing flange (13) or fixes and is connected, the side of described sealing support body (14) is provided with keyway (141), it is structure as a whole with sealing flange (13) or fixes and be connected, be sealing ring (2), retaining ring (3) and supported flange (4) successively in described annular seal space (12)；One side end face of described supported flange (4) is provided with the draw-in groove (41) corresponding with sealing the upper keyway (141) of support body (14), and the inner ring surface (42) of supported flange (4) is taper surface (421) near retaining ring (3) side；The male cone (strobilus masculinus) (311) that the taper surface (421) of described supported 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 offsets with the sealing surface (121) in cavate flanged fitting annular seal space (12).
Flange type pipe fitting pipeline sealing device the most according to claim 1, it is characterised in that male cone (strobilus masculinus) (311) length of described retaining ring is not less than the length of the taper surface (421) of supported flange (4).
Flange type pipe fitting pipeline sealing device the most according to claim 1, it is characterized in that, described device also includes that sealing ring baffle ring (5), the side of sealing ring baffle ring (5) offset with sealing ring (2), and opposite side connects with retaining ring (3)；It also is provided with sealing ring baffle ring (5) between the sealing surface (121) and sealing ring (2) of described cavate flanged fitting annular seal space.
Flange type pipe fitting pipeline sealing device the most according to claim 3, it is characterised in that described sealing ring baffle ring (5) is one or more.
Flange type pipe fitting 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.
Flange type pipe fitting 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；Or the joint of described pipeline (6) is provided with boss (61), accordingly, retaining ring inner surface snap ring (33) is groove shapes.
Flange type pipe fitting 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).
Flange type pipe fitting pipeline sealing device the most according to claim 1, it is characterised in that described sealing ring is flexible graphite sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521042699.4U CN205424190U (en) | 2015-12-15 | 2015-12-15 | Flange formula pipe fitting seal for pipe joints device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521042699.4U CN205424190U (en) | 2015-12-15 | 2015-12-15 | Flange formula pipe fitting seal for pipe joints device |
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| Publication Number | Publication Date |
|---|---|
| CN205424190U true CN205424190U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521042699.4U Active CN205424190U (en) | 2015-12-15 | 2015-12-15 | Flange formula pipe fitting seal for pipe joints device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013768A (en) * | 2017-05-24 | 2017-08-04 | 北京拓普天品科技有限公司 | Piping shaft |
| CN107035925A (en) * | 2016-12-28 | 2017-08-11 | 中国建材国际工程集团有限公司 | The sealing device connected for pipeline inside and outside vacuum cavity |
| CN107061919A (en) * | 2016-12-19 | 2017-08-18 | 苏州久美玻璃钢股份有限公司 | The hydrostatic compression testing device of pipeline with joint |
| CN107401643A (en) * | 2017-07-21 | 2017-11-28 | 江苏易元新材料科技有限公司 | A kind of corrosion protection method flange connection structure |
| CN109102909A (en) * | 2018-07-20 | 2018-12-28 | 中广核研究院有限公司 | A kind of novel in-pile component sealing compressing structure |
| CN109268602A (en) * | 2018-04-30 | 2019-01-25 | 中山市道格装饰设计工程有限公司 | A kind of sealing device of quick locking |
| CN110535286A (en) * | 2019-09-17 | 2019-12-03 | 成都华川电装有限责任公司 | Part fixing structure and rain shaving electrical machine rotor are set on axis |
| CN110907349A (en) * | 2019-12-24 | 2020-03-24 | 温州宏量机械科技有限公司 | Contrast simulation test device for carbon dioxide corrosion resistance of steel |
| CN112344021A (en) * | 2020-10-30 | 2021-02-09 | 江苏集萃有机光电技术研究所有限公司 | Cavity sealing connection structure, coating production line and cavity assembling method |
| CN113551089A (en) * | 2021-05-18 | 2021-10-26 | 沪东中华造船(集团)有限公司 | Flange type pipe port protection device and installation method thereof |
| CN114526162A (en) * | 2022-01-18 | 2022-05-24 | 中国科学院工程热物理研究所 | Air inlet channel sealing device |
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2015
- 2015-12-15 CN CN201521042699.4U patent/CN205424190U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061919A (en) * | 2016-12-19 | 2017-08-18 | 苏州久美玻璃钢股份有限公司 | The hydrostatic compression testing device of pipeline with joint |
| CN107035925A (en) * | 2016-12-28 | 2017-08-11 | 中国建材国际工程集团有限公司 | The sealing device connected for pipeline inside and outside vacuum cavity |
| CN107013768A (en) * | 2017-05-24 | 2017-08-04 | 北京拓普天品科技有限公司 | Piping shaft |
| CN107401643A (en) * | 2017-07-21 | 2017-11-28 | 江苏易元新材料科技有限公司 | A kind of corrosion protection method flange connection structure |
| CN109268602B (en) * | 2018-04-30 | 2020-10-23 | 浙江星霸环保工程有限公司 | Sealing device capable of being locked quickly |
| CN109268602A (en) * | 2018-04-30 | 2019-01-25 | 中山市道格装饰设计工程有限公司 | A kind of sealing device of quick locking |
| CN109102909A (en) * | 2018-07-20 | 2018-12-28 | 中广核研究院有限公司 | A kind of novel in-pile component sealing compressing structure |
| CN110535286A (en) * | 2019-09-17 | 2019-12-03 | 成都华川电装有限责任公司 | Part fixing structure and rain shaving electrical machine rotor are set on axis |
| CN110907349A (en) * | 2019-12-24 | 2020-03-24 | 温州宏量机械科技有限公司 | Contrast simulation test device for carbon dioxide corrosion resistance of steel |
| CN112344021A (en) * | 2020-10-30 | 2021-02-09 | 江苏集萃有机光电技术研究所有限公司 | Cavity sealing connection structure, coating production line and cavity assembling method |
| CN112344021B (en) * | 2020-10-30 | 2023-01-13 | 江苏集萃有机光电技术研究所有限公司 | Cavity sealing connection structure, coating production line and cavity assembling method |
| CN113551089A (en) * | 2021-05-18 | 2021-10-26 | 沪东中华造船(集团)有限公司 | Flange type pipe port protection device and installation method thereof |
| CN114526162A (en) * | 2022-01-18 | 2022-05-24 | 中国科学院工程热物理研究所 | Air inlet channel sealing device |
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