CN204805775U - High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device - Google Patents
High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device Download PDFInfo
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- CN204805775U CN204805775U CN201520431294.3U CN201520431294U CN204805775U CN 204805775 U CN204805775 U CN 204805775U CN 201520431294 U CN201520431294 U CN 201520431294U CN 204805775 U CN204805775 U CN 204805775U
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- Prior art keywords
- ring
- antiseepage
- conical surface
- high pressure
- sealing
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- 239000002184 metal Substances 0.000 title claims abstract description 15
- 230000002265 prevention Effects 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 241001633942 Dais Species 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device, the utility model belongs to the technical field of major diameter light pipeline connecting device, the purpose is not high temperature resistant that rubber sealing device exists in the current tube coupling of solution, and the pressure that bears is little, and sealing performance is unstable, the security is poor, the life cycle is short, the big technical problem of cost is maintained in the maintenance, and it includes clamp and bolt, wherein: it still includes two spacing rings and by two fixed loops, two cutoff collars and the sealing device that the sealing ring constitutes, the sealing ring is established in sealing device's centre, and the fixed loop is established at sealing device's both ends, and the cutoff collar is established between sealing ring and fixed loop, and the spacing ring is established and is established in the recess at clamp inner chamber middle part at sealing device's both sides and spacing ring and sealing device, the utility model has the advantages of sealed effectual, sealed security is higher, and the leakproofness is stable strong, long service life, and the installation is maintained conveniently, can be applicable to harsh environment such as high temperature, high pressure.
Description
Technical field
The utility model belongs to major diameter lightweight pipeline connecting device technical field, is 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 purpose of this utility model solves 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 adopted in the utility model 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.
Because the utility model have employed 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 utility model 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 utility model;
Fig. 2 is installment state figure of the present utility model;
Fig. 3 is the plan view of limited ring of the present utility model;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the plan view of retaining ring of the present utility model;
Fig. 6 is the C-C sectional view of Fig. 5;
Fig. 7 is the plan view of cutoff collar of the present utility model;
Fig. 8 is the D-D sectional view of Fig. 7;
Fig. 9 is the plan view of seal ring of the present utility model;
Figure 10 is the E-E sectional view of Fig. 9;
Figure 11 is the plan view of the utility model clip;
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 utility model 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 |
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CN201520431294.3U CN204805775U (en) | 2015-06-19 | 2015-06-19 | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device |
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CN201520431294.3U CN204805775U (en) | 2015-06-19 | 2015-06-19 | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device |
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CN204805775U true CN204805775U (en) | 2015-11-25 |
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CN201520431294.3U Expired - Fee Related CN204805775U (en) | 2015-06-19 | 2015-06-19 | High pressure resistant clamp of two contact surface metal seal prevention of seepage locking formula pipeline connecting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104930275A (en) * | 2015-06-19 | 2015-09-23 | 李俊伟 | Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device |
-
2015
- 2015-06-19 CN CN201520431294.3U patent/CN204805775U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104930275A (en) * | 2015-06-19 | 2015-09-23 | 李俊伟 | Double-contact-surface metal sealing seepage preventing and high-pressure resisting clamp locking type pipeline connecting device |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |