CN104879580A - High pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device - Google Patents
High pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device Download PDFInfo
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- CN104879580A CN104879580A CN201510345265.XA CN201510345265A CN104879580A CN 104879580 A CN104879580 A CN 104879580A CN 201510345265 A CN201510345265 A CN 201510345265A CN 104879580 A CN104879580 A CN 104879580A
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- China
- Prior art keywords
- clip
- pipeline connecting
- high pressure
- sealing
- diameter pipeline
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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
Abstract
The invention provides a high pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device, belongs to the technical field of large diameter fluid-conveying pipeline connecting devices, and aims at solving the problems that an existing large diameter pipeline connecting equipment rubber sealing device is not resistant to high temperature, short in service life, unstable in sealing performance, poor in safety, high in maintenance cost, small in bearing pressure, harsh in installation requirement and not suitable for some occasions such as spacial gas and liquid seal. The high pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device comprises a clamp hoop, bolts, two limiting rings and a sealing device composed of a sealing ring, the sealing ring is arranged in the middle of the sealing device, the limiting rings are arranged at the two ends of the sealing ring, and the sealing device is arranged in a groove in the middle of an inner cavity of the clamp hoop. The high pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device has the advantages of being good in sealing effect, stable in sealing performance, long in service life, convenient to install and maintain, capable of being applied to the harsh environments such as high temperature, high pressure and special medium and strong in applicability for pipelines with different materials.
Description
Technical field
The invention belongs to major diameter fluid delivery pipeline connection set technical field, be specifically related to a kind of high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device.
Background technique
In existing specialized fluids conveying technology, the interconnection technique of large-diameter pipeline, no matter be the conveying of high pressure pipe line fluid, middle pressure pipeline fluid conveying, low pressure pipeline fluid is carried, the welding process that old use is traditional 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 machine to guard against equipment, 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, the defect of maintenance maintenance difficulty.
Metal sealing pipeline connecting device of the prior art is mostly only for minor diameter pipeline.And major diameter pipeline connection device 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 non-refractory that existing major diameter pipeline connecting device rubber sealing device exists, working life is short, sealability is unstable, poor stability, maintenance and repair cost pressure that is large, that bear is little, installation requirement is harsh and is not suitable for the technical problem of occasion of some special gas, hydraulic seal, a kind of high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
High pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device, comprise clip and bolt, wherein: it also comprises the seal arrangement be made up of two limited rings and a seal ring, described seal ring is located at the centre of seal arrangement, limited ring is located at the two ends of seal ring, and described seal arrangement is located in the groove in the middle part of clip inner chamber; The middle part of described seal ring internal surface is provided with positive stop lug boss, the two ends of seal ring internal surface are provided with interior sealing cone, one end of described limited ring outer surface is provided with the external sealed conical surface matched with sealing cone in seal ring, the other end of limited ring outer surface is provided with the spacing conical surface matched with the clip recess conical surface, and the internal surface that limited ring is provided with external sealed conical surface one end is provided with antiseepage seam.
Described clip also comprises restraining groove, and restraining groove is located at the both sides of clip inner chamber central slot.
The restraining groove of described clip can replace with anti-slip tank, is provided with Anti-skid sheet in described anti-slip tank.
The internal surface of described Anti-skid sheet is provided with anti-skidding straight-tooth or helical teeth.
Owing to present invention employs technique scheme, solve the non-refractory that existing major diameter pipeline connection device rubber sealing device exists, working life is short, sealability is unstable, poor stability, maintenance and repair cost is large, the pressure born is little, installation requirement is harsh, and be not suitable for some special gas, the technical problem of the occasion of hydraulic seal, compared with background technique, the present invention has good sealing effect, sealing is stablized, long service life, convenient for installation and maintenance, high temperature can be applicable to, high pressure, the harsh environment such as special media, 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 the first use installment state figure of the present invention;
Fig. 3 is that another kind of the present invention uses installment state figure;
Fig. 4 is the plan view of seal ring;
Fig. 5 is the B-B sectional view in Fig. 4;
Fig. 6 is the plan view of limited ring;
Fig. 7 is the C-C sectional view in Fig. 6;
Fig. 8 be a kind of clip plan view;
Fig. 9 is the stereogram of clip in Fig. 8;
Figure 10 is the plan view that in Fig. 8, clip is equipped with tread plate;
Figure 11 is the stereogram of helical teeth tread plate;
Figure 12 is the stereogram of straight-tooth tread plate;
Figure 13 is the plan view of another kind of clip;
Figure 14 is the stereogram of Figure 13;
In figure: 1---limited ring, 101---the external sealed conical surface, 102---the spacing conical surface, 103---antiseepage seam, 2---seal ring, 201---interior sealing cone, 202---positive stop lug boss, 3---clip, 301---groove, 302---anti-slip tank, 303---Anti-skid sheet, 304---restraining groove.
Embodiment
Below in conjunction with drawings and Examples, the present invention is elaborated:
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 4 ~ Figure 10 and Figure 12, high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device in the present embodiment, comprise clip 3 and bolt, wherein: it also comprises the seal arrangement be made up of two limited rings 1 and a seal ring 2, described seal ring 2 is located at the centre of seal arrangement, limited ring 1 is located at the two ends of seal ring 2, and described seal arrangement is located in the groove 301 in the middle part of clip 3 inner chamber, the middle part of described seal ring 2 internal surface is provided with positive stop lug boss 202, the two ends of seal ring 2 internal surface are provided with interior sealing cone 201, one end of described limited ring 1 outer surface is provided with the external sealed conical surface 101 matched with sealing cone in seal ring 201, the other end of limited ring 1 outer surface is provided with the spacing conical surface 102 matched with clip recess 301 conical surface, the internal surface that limited ring 1 is provided with the external sealed conical surface 101 one end is provided with antiseepage seam 103, described clip 3 also comprises anti-slip tank 302, anti-slip tank 302 is located at the both sides of clip 3 inner chamber central slot 301, and be provided with Anti-skid sheet 303 in described anti-slip tank 302, the internal surface of described Anti-skid sheet 303 is provided with anti-skidding straight-tooth, and the crown of straight-tooth is positioned at outside the internal surface of clip 3.。
Embodiment 2
As shown in Figure 1, Figure 2, shown in Fig. 5 ~ Fig. 9 and Figure 11, in the high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device in the present embodiment and embodiment 1, the difference of high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device is only that the straight-tooth on the internal surface of described Anti-skid sheet 303 is substituted by helical teeth.
The installation method of the high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device in embodiment 1 and embodiment 2 is as follows:
First limited ring 1 is sleeved on the connecting end of pipeline, then seal ring 2 is sleeved on conduit connection end, and fitted in the side of the mouth of pipe and seal ring 2 positive stop lug boss 202; With Manual pressure device, the external sealed conical surface 101 one end of limited ring 1 is compressed into seal ring 2 completely, such that limited ring 1 is provided with one end distortion of the external sealed conical surface 101, the step of limited ring 1 antiseepage seam 103 root inserts pipeline outer surface completely, the internal surface of limited ring 1 antiseepage seam 103 completely and the laminating of pipeline outer surface; Pause by Manual pressure device pressure release after one minute, and take out seal ring 2.The pipeline two being installed limited ring 1 is set in together by seal ring 2, and locks two clips 3 by locking member, till the Anti-skid sheet 303 in clip 3 and pipeline outer surface are fitted.
Clip 3 in embodiment 1 and embodiment 2 bears pipeline pulling force; and ensure that in seal arrangement, two limited rings 1 and seal ring 2 relative position are constant; abundant clip 3 can be intact protection seal arrangement, and abundant clip 3 makes the intensity of line connection greatly improve.
Embodiment 3
As shown in Fig. 1, Fig. 3, Fig. 4 ~ Fig. 7, Figure 13 and Figure 14, high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device in the present embodiment, comprise clip 3 and bolt, wherein: it also comprises the seal arrangement be made up of two limited rings 1 and a seal ring 2, described seal ring 2 is located at the centre of seal arrangement, limited ring 1 is located at the two ends of seal ring 2, and described seal arrangement is located in the groove 301 in the middle part of clip 3 inner chamber; The middle part of described seal ring 2 internal surface is provided with positive stop lug boss 202, the two ends of seal ring 2 internal surface are provided with interior sealing cone 201, one end of described limited ring 1 outer surface is provided with the external sealed conical surface 101 matched with sealing cone in seal ring 201, the other end of limited ring 1 outer surface is provided with the spacing conical surface 102 matched with clip recess 301 conical surface, and the internal surface that limited ring 1 is provided with the external sealed conical surface 101 one end is provided with antiseepage seam 103.Described clip 3 also comprises restraining groove 304, and restraining groove 304 is located at the both sides of clip 3 inner chamber central slot 301.
The installation method of the high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device in the present embodiment is as follows:
In a pre-installation, first arrange installation fixing lug boss at the connecting end of pipeline, installation fixing lug boss is identical with restraining groove 304 shape, and it is highly less than the degree of depth of restraining groove 304.During installation, first limited ring 1 is sleeved on the connecting end of pipeline, then seal ring 2 is sleeved on conduit connection end, and fitted in the side of the mouth of pipe and seal ring 2 positive stop lug boss 202; With Manual pressure device, the external sealed conical surface 101 one end of limited ring 1 is compressed into seal ring 2 completely, such that limited ring 1 is provided with one end distortion of the external sealed conical surface 101, the step of limited ring 1 antiseepage seam 103 root inserts pipeline outer surface completely, the internal surface of limited ring 1 antiseepage seam 103 completely and the laminating of pipeline outer surface; Pause by Manual pressure device pressure release after one minute, and take out seal ring 2.The pipeline two being installed limited ring 1 is set in together by seal ring 2, and locks two clips 3 by locking member.
Clip 3 in the present embodiment bears pipeline pulling force; and ensure that in seal arrangement, two limited rings 1 and seal ring 2 relative position are constant; abundant clip 3 can be intact protection seal arrangement, and abundant clip 3 makes the intensity of line connection greatly improve.
Claims (4)
1. high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device, comprise clip (3) and bolt, it is characterized in that: it also comprises the seal arrangement be made up of two limited rings (1) and a seal ring (2), described seal ring (2) is located at the centre of seal arrangement, limited ring (1) is located at the two ends of seal ring (2), and described seal arrangement is located in the groove (301) in the middle part of clip (3) inner chamber; The middle part of described seal ring (2) internal surface is provided with positive stop lug boss (202), the two ends of seal ring (2) internal surface are provided with interior sealing cone (201), one end of described limited ring (1) outer surface is provided with the external sealed conical surface (101) matched with sealing cone in seal ring (201), the other end of limited ring (1) outer surface is provided with the spacing conical surface (102) matched with clip recess (301) conical surface, and the internal surface that limited ring (1) is provided with the external sealed conical surface (101) one end is provided with antiseepage seam (103).
2. high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device according to claim 1, it is characterized in that: described clip (3) also comprises restraining groove (304), restraining groove (304) is located at the both sides of clip (3) inner chamber central slot (301).
3. high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device according to claim 2, it is characterized in that: the restraining groove (304) of described clip (3) can use anti-slip tank (302) to replace, and is provided with Anti-skid sheet (303) in described anti-slip tank (302).
4. high pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device according to claim 3, is characterized in that: the internal surface of described Anti-skid sheet (303) is provided with anti-skidding straight-tooth or helical teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345265.XA CN104879580A (en) | 2015-06-19 | 2015-06-19 | High pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345265.XA CN104879580A (en) | 2015-06-19 | 2015-06-19 | High pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104879580A true CN104879580A (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510345265.XA Pending CN104879580A (en) | 2015-06-19 | 2015-06-19 | High pressure resistant leakage-proof metal sealing clamp hoop locking type large diameter pipeline connecting device |
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| CN (1) | CN104879580A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442069Y (en) * | 2000-08-09 | 2001-08-08 | 梁会 | Connector of round tube |
| CN2516798Y (en) * | 2001-12-05 | 2002-10-16 | 梁世良 | Thin-wall pipe joint |
| CN102062271A (en) * | 2010-06-13 | 2011-05-18 | 龚岳强 | Connection device of full-diameter compressed air conveying pipeline |
| WO2013155703A1 (en) * | 2012-04-20 | 2013-10-24 | Ge Wenyu | Articulated joint type middle-high pressure pipeline connecting piece |
| CN103470886A (en) * | 2013-09-02 | 2013-12-25 | 成都共同管业有限公司 | Single-groove double-clamp pipeline clamp connection system |
| CN204729797U (en) * | 2015-06-19 | 2015-10-28 | 李俊伟 | High pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device |
-
2015
- 2015-06-19 CN CN201510345265.XA patent/CN104879580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442069Y (en) * | 2000-08-09 | 2001-08-08 | 梁会 | Connector of round tube |
| CN2516798Y (en) * | 2001-12-05 | 2002-10-16 | 梁世良 | Thin-wall pipe joint |
| CN102062271A (en) * | 2010-06-13 | 2011-05-18 | 龚岳强 | Connection device of full-diameter compressed air conveying pipeline |
| WO2013155703A1 (en) * | 2012-04-20 | 2013-10-24 | Ge Wenyu | Articulated joint type middle-high pressure pipeline connecting piece |
| CN103470886A (en) * | 2013-09-02 | 2013-12-25 | 成都共同管业有限公司 | Single-groove double-clamp pipeline clamp connection system |
| CN204729797U (en) * | 2015-06-19 | 2015-10-28 | 李俊伟 | High pressure resistant leakage proof metal sealing locked clip device formula major diameter pipeline connecting device |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150902 |