CN104930275A - Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device - Google Patents
Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device Download PDFInfo
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- CN104930275A CN104930275A CN201510345100.2A CN201510345100A CN104930275A CN 104930275 A CN104930275 A CN 104930275A CN 201510345100 A CN201510345100 A CN 201510345100A CN 104930275 A CN104930275 A CN 104930275A
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- Prior art keywords
- sealing
- ring
- antiseepage
- pipeline connecting
- conical surface
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention belongs to the technical field of large-diameter light pipeline connecting devices, relates to a double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device and aims at solving the technical problems that in existing pipeline connection, a rubber sealing device does not resist the high temperature, and is small in bearing pressure, not stable in sealing performance, poor in safety, short in using period and large in maintaining and repairing cost. The double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device comprises a clamp and a bolt and further comprises two limiting rings and a sealing device composed of two fixing rings, two seepage preventing rings and a sealing ring. The sealing ring is arranged in the middle of the sealing device, the fixing rings are arranged at the two ends of the sealing device, the seepage preventing rings are arranged between the sealing ring and the fixing rings, the limiting rings are arranged on the two sides of the sealing device, and the limiting rings and the sealing device are arranged in a groove in the middle of an inner cavity of the clamp. The double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device has the advantages that the sealing effect is good, the sealing safety is higher, sealing performance and stability are high, the service life is long, installing and maintaining are convenient, and the pipeline connecting device can be suitable for the high-temperature environment, the high-pressure environment and other severe environments.
Description
Technical field
The invention belongs to major diameter lightweight pipeline connecting device technical field, be specifically related to a kind of Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device.
Background technique
Large-diameter pipeline high pressure in existing specialized fluids conveying technology, middle pressure, low-pressure continuous connection technology still uses traditional welding process or flange plate connection method, the outer interior anticorrosive coat of steel pipe all can be destroyed during welding, secondary corrosion prevention operation need be made, for preventing rosin joint from needing carrying out flaw detection in welding process, weld seam has slag inclusion, need during weld defects to do over again, to in-site installation, workman has higher requirements, need in construction to use a large amount of machinery, as: pipeline chamfering machine, arc welding machine, defectoscope etc., there is installation efficiency low, pipeline is not quick detachable, installation cost is high, the waste energy energy, befouling environment, maintenance maintenance is difficult, and to the inapplicable defect of Novel major diameter lightweight pipeline.
Metal sealing pipeline connecting device of the prior art is mostly only for minor diameter pipeline.And major diameter pipeline connection of the prior art adopts rubber sealing device mostly, rubber sealing device non-refractory, along with service time increase rubber sealing device gradually can aging, working life is short, rubber sealing device is easily scratched in installation process, easily cause the leakage of Cemented filling medium, poor stability, the pressure that rubber sealing device bears is little, installation requirement is harsh, and rubber sealing device is not suitable for the occasion of some special gas, hydraulic seal.
Summary of the invention
The object of the invention is to solve the non-refractory that in the connection of existing pipeline, rubber sealing device exists, high to the smoothness requirements of pipeline junction surface, the pressure born is little, sealability instability, poor stability, life cycle are short, maintenance and repair cost is large, some have special gas, hydraulic seal occasion inapplicable, and be not suitable for the technical problem of novel light pipeline, a kind of Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device, comprise clip and bolt, wherein: the seal arrangement that it also comprises two limited rings and is made up of two retaining rings, two cutoff collars and a seal ring, described seal ring is located at the centre of seal arrangement, retaining ring is located at the two ends of seal arrangement, cutoff collar is located between seal ring and retaining ring, and limited ring is located at the both sides of seal arrangement and limited ring and seal arrangement are located in the groove in the middle part of clip inner chamber; One end of described limited ring outer surface is provided with the spacing conical surface matched with the clip recess conical surface, and the internal surface of limited ring is the conical surface and its internal diameter being provided with spacing conical surface one end is less than the internal diameter of the other end; The two ends of described seal ring internal surface are provided with interior sealing cone, the middle part of seal ring internal surface is provided with limit dais, the outer surface of cutoff collar one end is provided with the external sealed conical surface matched with sealing cone in seal ring, the internal surface of the cutoff collar the other end is provided with the interior antiseepage conical surface, one end of retaining ring outer surface is provided with the outer antiseepage conical surface matched with the antiseepage conical surface in cutoff collar, the other end of retaining ring outer surface is provided with the male cone (strobilus masculinus) matched with the internal surface of limited ring, and the centre of retaining ring outer surface is provided with boss.
The outer tapering of the antiseepage conical surface of described retaining ring is identical with the tapering of the male cone (strobilus masculinus) of retaining ring.
The two ends of described retaining ring internal surface are provided with antiseepage tooth.
The internal surface that described cutoff collar is provided with external sealed conical surface one end is provided with sealing tooth.
Owing to present invention employs technique scheme, solve the non-refractory that in the connection of existing pipeline, rubber sealing device exists, high to the smoothness requirements of pipeline junction surface, the pressure born is little, life cycle is short, sealability is unstable, poor stability, maintenance and repair cost is large, at some, there is special gas, the occasion of hydraulic seal is inapplicable, and be not suitable for the technical problem of novel light pipeline, compared with background technique, the present invention has good sealing effect, sealingly secure is higher, sealing is stable strong, long service life, convenient for installation and maintenance, high temperature can be applicable to, the harsh environment such as high pressure, unlike material pipeline applicability is strong, and the advantage low to pipeline external surface smoothness requirements.
Accompanying drawing explanation
Fig. 1 is explosive view of the present invention;
Fig. 2 is installment state figure of the present invention;
Fig. 3 is the plan view of limited ring of the present invention;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the plan view of retaining ring of the present invention;
Fig. 6 is the C-C sectional view of Fig. 5;
Fig. 7 is the plan view of cutoff collar of the present invention;
Fig. 8 is the D-D sectional view of Fig. 7;
Fig. 9 is the plan view of seal ring of the present invention;
Figure 10 is the E-E sectional view of Fig. 9;
Figure 11 is the plan view of clip of the present invention;
Figure 12 is the plan view of Figure 11;
In figure: 1---limited ring, 101---the spacing conical surface, 2---retaining ring, 201---the outer antiseepage conical surface, 202---boss, 203---male cone (strobilus masculinus), 204---antiseepage tooth, 3---clip, 301---groove, 4---cutoff collar, 401---the external sealed conical surface, 402---the interior antiseepage conical surface, 403---sealing tooth, 5---seal ring, 501---interior sealing cone, 502---limit dais.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
Embodiment 1
As shown in Fig. 1 ~ Figure 12, Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device in the present embodiment, comprise clip 3 and bolt, wherein: the seal arrangement that it also comprises two limited rings 1 and is made up of two retaining rings, 2, two cutoff collars 4 and a seal ring 5, described seal ring 5 is located at the centre of seal arrangement, retaining ring 2 is located at the two ends of seal arrangement, cutoff collar 4 is located between seal ring 5 and retaining ring 2, and limited ring 1 is located at the both sides of seal arrangement and limited ring 1 and seal arrangement are located in the groove 301 in the middle part of clip 3 inner chamber; One end of described limited ring 1 outer surface is provided with the spacing conical surface 101 matched with clip recess 301 conical surface, and the internal surface of limited ring 1 is the conical surface and its internal diameter being provided with the spacing conical surface 101 one end is less than the internal diameter of the other end; The two ends of described seal ring 5 internal surface are provided with interior sealing cone 501, the middle part of seal ring 5 internal surface is provided with limit dais 502, the outer surface of cutoff collar 4 one end is provided with the external sealed conical surface 401 matched with sealing cone in seal ring 501, the internal surface of cutoff collar 4 the other end is provided with the interior antiseepage conical surface 402, one end of retaining ring 2 outer surface is provided with the outer antiseepage conical surface 201 matched with the antiseepage conical surface 402 in cutoff collar, the other end of retaining ring 2 outer surface is provided with the male cone (strobilus masculinus) 203 matched with the internal surface of limited ring 1, and the centre of retaining ring 2 outer surface is provided with boss 202.The two ends of described retaining ring 2 internal surface are provided with antiseepage tooth 204.The internal surface that described cutoff collar 4 is provided with the external sealed conical surface 401 one end is provided with sealing tooth 403.
The installation method of the Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device in the present embodiment is as follows:
First limited ring 1, retaining ring 2, cutoff collar 4 are sleeved on the connecting end of pipeline, then seal ring 5 is sleeved on pipeline connecting end, and fitted in the side of the mouth of pipe and seal ring 5 limit dais 502.Utilize Manual pressure device, limited ring 1 is pressed to seal ring 5, the outer antiseepage conical surface 201 of retaining ring 2 is made to compress into cutoff collar 4, and make the external sealed conical surface 401 of cutoff collar 4 compress into seal ring 5, due to extrusion-deformation in the process compressed, the antiseepage tooth 204 of retaining ring 2 and the sealing tooth 403 of cutoff collar 4 is made to be pressed into pipeline outer surface, and the male cone (strobilus masculinus) 203 of the internal surface of limited ring 1 and retaining ring 2 is fitted completely, the outer antiseepage conical surface 201 of retaining ring 2 is fitted completely with the interior antiseepage conical surface 402 of cutoff collar 4, the cutoff collar 4 external sealed conical surface 401 is fitted completely with the interior sealing cone 501 of seal ring 5.Pause one minute by Manual pressure device pressure release, and take out seal ring 5.The pipeline two being installed limited ring 1, retaining ring 2 and cutoff collar 4 is set in together by seal ring 5, and locks two clips 3 by locking member.
Clip 3 in the present embodiment can be intact protection seal arrangement, and abundant clip 3 makes the intensity of line connection greatly improve.
Embodiment 2
Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device in the present embodiment and the difference of the Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device in embodiment 1 are only that the tapering of the tapering of the outer antiseepage conical surface 201 of described retaining ring 2 and the male cone (strobilus masculinus) 203 of retaining ring 2 is identical, make the easier for installation of retaining ring.
Claims (4)
1. Double-contact surfaces metal sealing antiseepage high pressure resistant locked clip device formula pipeline connecting device, comprise clip (3) and bolt, it is characterized in that: it also comprises two limited rings (1) and by two retaining rings (2), the seal arrangement that two cutoff collars (4) and a seal ring (5) are formed, described seal ring (5) is located at the centre of seal arrangement, retaining ring (2) is located at the two ends of seal arrangement, cutoff collar (4) is located between seal ring (5) and retaining ring (2), limited ring (1) is located at the both sides of seal arrangement and limited ring (1) and seal arrangement are located in the groove (301) in the middle part of clip (3) inner chamber, one end of described limited ring (1) outer surface is provided with the spacing conical surface (101) matched with clip recess (301) conical surface, and the internal surface of limited ring (1) is the conical surface and its internal diameter being provided with the spacing conical surface (101) one end is less than the internal diameter of the other end, the two ends of described seal ring (5) internal surface are provided with interior sealing cone (501), the middle part of seal ring (5) internal surface is provided with limit dais (502), the outer surface of cutoff collar (4) one end is provided with the external sealed conical surface (401) matched with sealing cone in seal ring (501), the internal surface of cutoff collar (4) the other end is provided with the interior antiseepage conical surface (402), one end of retaining ring (2) outer surface is provided with the outer antiseepage conical surface (201) matched with the antiseepage conical surface (402) in cutoff collar, the other end of retaining ring (2) outer surface is provided with the male cone (strobilus masculinus) (203) matched with the internal surface of limited ring (1), the centre of retaining ring (2) outer surface is provided with boss (202).
2. Double-contact surfaces metal sealing according to claim 1 antiseepage high pressure resistant locked clip device formula pipeline connecting device, is characterized in that: the tapering of the outer antiseepage conical surface (201) of described retaining ring (2) is identical with the tapering of the male cone (strobilus masculinus) (203) of retaining ring (2).
3. Double-contact surfaces metal sealing according to claim 1 antiseepage high pressure resistant locked clip device formula pipeline connecting device, is characterized in that: the two ends of described retaining ring (2) internal surface are provided with antiseepage tooth (204).
4. Double-contact surfaces metal sealing according to claim 1 antiseepage high pressure resistant locked clip device formula pipeline connecting device, is characterized in that: the internal surface that described cutoff collar (4) is provided with the external sealed conical surface (401) one end is provided with sealing tooth (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345100.2A CN104930275A (en) | 2015-06-19 | 2015-06-19 | Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345100.2A CN104930275A (en) | 2015-06-19 | 2015-06-19 | Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device |
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| Publication Number | Publication Date |
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| CN104930275A true CN104930275A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510345100.2A Pending CN104930275A (en) | 2015-06-19 | 2015-06-19 | Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device |
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| CN (1) | CN104930275A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807912A (en) * | 1987-01-31 | 1989-02-28 | Agintech AG | Pipe coupling |
| GB2310698A (en) * | 1996-02-27 | 1997-09-03 | Perfection Corp | Pipe coupling assembly for two spaced pipe ends |
| CN2872040Y (en) * | 2005-06-23 | 2007-02-21 | 张汉珍 | Connector for plastic pipe or metal pipe |
| CN101356395A (en) * | 2005-11-29 | 2009-01-28 | 伊原科技株式会社 | Fitting structure |
| CN204805775U (en) * | 2015-06-19 | 2015-11-25 | 李俊伟 | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device |
-
2015
- 2015-06-19 CN CN201510345100.2A patent/CN104930275A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807912A (en) * | 1987-01-31 | 1989-02-28 | Agintech AG | Pipe coupling |
| GB2310698A (en) * | 1996-02-27 | 1997-09-03 | Perfection Corp | Pipe coupling assembly for two spaced pipe ends |
| CN2872040Y (en) * | 2005-06-23 | 2007-02-21 | 张汉珍 | Connector for plastic pipe or metal pipe |
| CN101356395A (en) * | 2005-11-29 | 2009-01-28 | 伊原科技株式会社 | Fitting structure |
| CN204805775U (en) * | 2015-06-19 | 2015-11-25 | 李俊伟 | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device |
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Application publication date: 20150923 |
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