CN205424261U - From inflation formula seal for pipe joints device - Google Patents
From inflation formula seal for pipe joints device Download PDFInfo
- Publication number
- CN205424261U CN205424261U CN201620134521.0U CN201620134521U CN205424261U CN 205424261 U CN205424261 U CN 205424261U CN 201620134521 U CN201620134521 U CN 201620134521U CN 205424261 U CN205424261 U CN 205424261U
- Authority
- CN
- China
- Prior art keywords
- seal
- pipeline
- pipe fitting
- sealing
- sealing 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.)
- Expired - Fee Related
Links
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model discloses a from inflation formula seal for pipe joints device, it includes seal, sealing washer and sealed end cap constitution, wherein sealed end cap and sealing washer are worn to adorn with the seal in proper order and are connected. The sealing device adopts from inflatable seal, pushes away movable sealing ring by the inside pressure of pipe fitting (pipeline) and removes, and automatic crush seal circle makes it the inflation, realize the sealed of pipe fitting, and need not pipe fitting (pipeline) autologous or additional connecting piece, the only need with the device fill in pipe fitting (pipeline) treat sealed end can, convenient operation is swift, 2 5 time second can be accomplished, improves the operating efficiency thereby by a wide margin, alleviates intensity of labour.
Description
Technical field
The utility model relates to pipe fitting processing technique field, is specifically related to a kind of self-expansion type pipeline sealing device.
Background technology
Along with progress and the expanding economy of society, fluid line is widely used in every field, its consumption can be rated as basic part, the elbow consumption as fluid line connecting portion is the most increasing.And pipeline generally all needs to carry out pressure test before production is dispatched from the factory and used installation and during using, to check pipe fitting (pipeline) quality condition, to ensure to use safety.And the sealing at two ends is the most troublesome thing during pipe fitting (pipeline) pressure testing, particularly two ends do not have the key of connector and the pressure testing of bend pipe the most more to bother, it is generally required to first connect with fixing connector in pipe fitting to be tested (pipeline) end, and need good sealing, then reconnecting sealing mechanism, time-consuming bothersome, labour intensity is big, operating efficiency is low, and sealed high-voltage resistant poor performance.
CN103574215.B discloses a kind of PE pipeline pressure test blind plate, and it is bolted by PE pipeline flanges, steel blind plate, steel flanges sheet, gasket seal, exhausting stub tube and air bleeding valve, pipeline flanges, steel blind plate, steel flanges sheet and gasket seal.Although this sealing structure sealing property is preferable and reliable, but it can in the upper use of the pipe fitting (pipeline) that set pipeline flanges, and install cumbersome, and labour intensity is bigger.CN203595628.U discloses a kind of sealing device for open at both ends pipeline pressure test, left baffle and the elastomeric pad of connection is installed by securing member, it has simple in construction, the advantage such as quick for installation, but this structure is not used to the sealing of bend pipe, and install the through hole of connecting rod owing to its axis part is provided with, therefore sealing effectiveness is by a certain degree of impact, it is particularly difficult to adapt to the sealing under high pressure conditions.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of simple in construction, convenient to disassembly, the rapid-assembling/disassembling pipeline sealing device of dependable performance.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of self-expansion type pipeline sealing device, forms including seal, sealing ring and seal plug, and wherein seal plug and sealing ring install with seal successively and be connected.
Described seal plug is threaded pull bar, and this pull bar is positioned on seal the central through hole arranged, and stretches out outside seal.
Described seal installs sealing ring position and arranges cone structure or concave arc surface of revolution structure.
The axis part of described seal and seal plug is respectively provided with the through hole being interconnected.
Described seal plug arranges at least one positive stop lug boss, and described seal arranges the Z-shaped chute being slidably matched with positive stop lug boss.
The beneficial effects of the utility model are:
1) self-expansion type pipeline sealing device of the present utility model uses self-expansion type to seal, sealing ring is promoted to move by the pressure that pipe fitting (pipeline) is internal, automatically crush seal circle is allowed to expand, realize the sealing of pipe fitting, and the autologous or additional tie members without pipe fitting (pipeline), only this device need to be filled in pipe fitting (pipeline) end to be sealed, convenient to operation, 2-5 time second can complete, and operating efficiency is thus greatly improved, reduces labor intensity；
2) a threaded T-shaped pull bar on seal plug, when sealing device inserts pipe fitting to be sealed (pipeline), can turn pull bar, sealing ring 2 is implemented pretension, being fixed in pipe fitting (pipeline) with this, sealing subsequently then can be promoted the pressure of seal plug 1 to cause the expansion of sealing ring 2 to realize by the pressure of inside pipe fitting；
3) axis part of seal and seal plug is respectively provided with the through hole being interconnected, and the outer end of seal can be connected with high-pressure fluid transfer tube, may be used for the double sealing of injection pressure of all kinds of pipe fitting (pipeline)；
4) advantages such as compared with prior art, the utility model has applied widely, simple in construction, and cost of manufacture is low, and sealing property is reliable.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the utility model is further described:
Fig. 1 is the structural representation of the utility model embodiment one, two；
Fig. 2 is the structural representation of the utility model embodiment three, four.
Detailed description of the invention
With embodiment, the utility model is described further below in conjunction with the accompanying drawings.
Embodiment one
As shown in Figure 1, the self-expansion type pipeline sealing device of present embodiment is applicable to the sealing of all kinds of pipe fitting (pipeline), forming including seal 3, sealing ring 2 and seal plug 1, wherein seal plug 1 and sealing ring 2 install with seal 3 successively and are connected, and freely slidable.Described seal 3 installs sealing ring 2 position and arranges cone structure or concave arc surface of revolution structure, when seal 3 and seal plug 1 jam-packed, the radially outer expansion of large sealing packing ring 2 can be added, increase the thrust with pipe fitting to be sealed (pipeline) inwall, optimize sealing effectiveness, and pressure in pipe fitting (pipeline) is the biggest, sealing ring 2 is the tightest with pipe fitting (pipeline) interior wall pressure, and sealing effectiveness is the best.Seal plug 1 external diameter differs with the internal diameter of pipe fitting to be sealed (pipeline) can be between 0.2-0.6mm, in order to install to pipe fitting to be sealed (pipeline), has again preferable sealing property, stops the leakage of high-pressure fluid；The external diameter of sealing ring 2 differs with the internal diameter of pipe fitting to be sealed (pipeline) and can reduce expansion amplitude between 0.2-0.4mm, extends the service life of sealing ring 2, and has preferable sealing property, improves and seal grade；The external diameter of seal 3 differs with the internal diameter of pipe fitting to be sealed (pipeline) can be between 0.4-0.8mm, it is simple to installs to pipe fitting to be sealed (pipeline), has again certain sealing property.
This device the most only need to be inserted in pipe fitting to be sealed (pipeline), pressure in pipe fitting (pipeline) promotes seal plug 1 to move to the direction of jam-packed sealing ring, now seal 3 can be applied certain pressure, sealing ring 2 produces under the extruding of seal plug 1 and seal 3 and is radially expanded, remove impressed pressure, i.e. realize the high pressure sealing of pipe fitting (pipeline).As long as pulling out seal 3 during dismounting, sealing ring 2 i.e. release of pressure resilience and loosen, pull on and just can easily this sealing device be pulled out.Installing or removing only needs 3-5 second, operates light and fast.
Embodiment two
Referring to Fig. 1, the self-expansion type pipeline sealing device of present embodiment, forming including seal 3, sealing ring 2 and seal plug 1, wherein seal plug 1 and sealing ring 2 install with seal 3 successively and are connected, and freely slidable.Described seal 3 installs sealing ring 2 position and arranges cone structure or concave arc surface of revolution structure 5, when seal 3 and seal plug 1 jam-packed, the radially outer expansion of large sealing packing ring 2 can be added, increase the thrust with pipe fitting to be sealed (pipeline) inwall, optimize sealing effectiveness.Seal plug 1 external diameter differs with the internal diameter of pipe fitting to be sealed (pipeline) can be between 0.2-0.6mm, in order to install to pipe fitting to be sealed (pipeline), has again preferable sealing property, stops the leakage of high-pressure fluid；The external diameter of sealing ring 2 differs with the internal diameter of pipe fitting to be sealed (pipeline) and can reduce expansion amplitude between 0.2-0.4mm, extends the service life of sealing ring 2, and has preferable sealing property, improves and seal grade；The external diameter of seal 3 differs with the internal diameter of pipe fitting to be sealed (pipeline) can be between 0.4-0.8mm, it is simple to installs to pipe fitting to be sealed (pipeline), has again certain sealing property.Consider that seal plug 1, sealing ring 2 and seal 3 cylindrical are excessive, install relatively difficult, too small then when pipe fitting (pipeline) internal pressurization easily by device entirety release, seal plug 1 can be with a threaded T-shaped pull bar 4, this pull bar 4 is positioned on seal the central through hole arranged, and stretches out outside seal 3.When sealing device inserts pipe fitting to be sealed (pipeline), can turn pull bar 4, sealing ring 2 being implemented pretension, is fixed in pipe fitting (pipeline) with this, sealing subsequently then can be promoted the pressure of seal plug 1 to cause the expansion of sealing ring 2 to realize by the pressure of inside pipe fitting.In order to alleviate the weight of sealing device, the axial cross section of seal plug 1 may be configured as E shape structure.
Embodiment three
As shown in Figure 2, the self-expansion type pipeline sealing device of present embodiment is applicable to the double sealing of injection pressure of all kinds of pipe fitting (pipeline), forming including seal 3, sealing ring 2 and seal plug 1, wherein seal plug 1 and sealing ring 2 install with seal 3 successively and are connected, and freely slidable.Described seal 3 installs sealing ring 2 position and arranges cone structure or concave arc surface of revolution structure 5, and the axis part of seal 3 and seal plug 1 is respectively provided with the through hole 6,7 being interconnected, and the outer end of seal 3 can be connected with high-pressure fluid transfer tube.Being inserted in sealed pipe fittings to be pressurised (pipeline) by this sealing device, can inject high-pressure fluid in pipe fitting (pipeline), the pressure of inside pipe fitting promotes seal plug 1 crush seal circle 2 to be allowed to expand, it is achieved the sealing of pipe fitting and pressurization.
Embodiment four
The self-expansion type pipeline sealing device of present embodiment includes that seal 3, sealing ring 2 and seal plug 1 form, and wherein seal plug 1 and sealing ring 2 install with seal 3 successively and be connected, and freely slidable.Described seal 3 installs sealing ring 2 position and arranges cone structure or concave arc surface of revolution structure 5, and the axis part of seal 3 and seal plug 1 is respectively provided with the through hole 6,7 being interconnected, and the outer end of seal 3 can be connected with high-pressure fluid transfer tube.Being inserted in sealed pipe fittings to be pressurised (pipeline) by this sealing device, can inject high-pressure fluid in pipe fitting (pipeline), the pressure of inside pipe fitting promotes seal plug 1 crush seal circle 2 to be allowed to expand, it is achieved the sealing of pipe fitting.At least one positive stop lug boss 9 can be set at the groove inner wall of seal plug 1,2 or 3 positive stop lug boss 9 are advisable, simultaneously the outer circumferential sides at seal 3 with seal plug 1 side attachment portion arranges the Z-shaped chute 8 being slidably matched with positive stop lug boss 9, and this chute 8 has the axial slide at two ends and the radial groove of centre to be interconnected composition.Positive stop lug boss 9 on seal plug 1 can be entered by the chute 8 of seal 3 left end by this structure, then rotate a certain angle, positive stop lug boss 9 i.e. enters the right-hand member of chute 8, will link together with seal 3 by seal plug 1, cannot come off, and positive stop lug boss 9 can move freely along the right-hand member position of chute 8, it is achieved the self-expanding of sealing device seals, also allow for the pull-out of seal head 1 during dismounting simultaneously.
Claims (5)
1. a self-expansion type pipeline sealing device, it is characterised in that: including seal, sealing ring and seal plug composition, wherein seal plug and sealing ring install with seal successively and are connected.
2. self-expansion type pipeline sealing device as claimed in claim 1, it is characterised in that: described seal plug is threaded pull bar, and this pull bar is positioned on seal the central through hole arranged, and stretches out outside seal.
3. self-expansion type pipeline sealing device as claimed in claim 1, it is characterised in that: described seal installs sealing ring position and arranges cone structure or concave arc surface of revolution structure.
4. the self-expansion type pipeline sealing device as described in claim 1,2 or 3, it is characterised in that: the axis part of described seal and seal plug is respectively provided with the through hole being interconnected.
5. self-expansion type pipeline sealing device as claimed in claim 4, it is characterised in that: described seal plug arranges at least one positive stop lug boss, and described seal arranges the Z-shaped chute being slidably matched with positive stop lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134521.0U CN205424261U (en) | 2016-02-23 | 2016-02-23 | From inflation formula seal for pipe joints device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620134521.0U CN205424261U (en) | 2016-02-23 | 2016-02-23 | From inflation formula seal for pipe joints device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205424261U true CN205424261U (en) | 2016-08-03 |
Family
ID=56545135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620134521.0U Expired - Fee Related CN205424261U (en) | 2016-02-23 | 2016-02-23 | From inflation formula seal for pipe joints device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205424261U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546268A (en) * | 2016-02-23 | 2016-05-04 | 南阳市鼎钢实业有限公司 | Self-expandable pipeline sealing device |
| CN107575692A (en) * | 2017-07-25 | 2018-01-12 | 盐城美希密封件有限公司 | A kind of plastic union pipe head seal |
| CN110319287A (en) * | 2019-08-16 | 2019-10-11 | 湖北拓宇水电科技股份有限公司 | A kind of water pump pipeline telescopic joint of butterfly sealing |
| CN112217160A (en) * | 2020-09-17 | 2021-01-12 | 国网浙江桐乡市供电有限公司 | Plug device for cable well sealing |
-
2016
- 2016-02-23 CN CN201620134521.0U patent/CN205424261U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546268A (en) * | 2016-02-23 | 2016-05-04 | 南阳市鼎钢实业有限公司 | Self-expandable pipeline sealing device |
| CN107575692A (en) * | 2017-07-25 | 2018-01-12 | 盐城美希密封件有限公司 | A kind of plastic union pipe head seal |
| CN110319287A (en) * | 2019-08-16 | 2019-10-11 | 湖北拓宇水电科技股份有限公司 | A kind of water pump pipeline telescopic joint of butterfly sealing |
| CN110319287B (en) * | 2019-08-16 | 2024-04-12 | 湖北拓宇水电科技股份有限公司 | Butterfly-shaped sealed water pump pipeline expansion joint |
| CN112217160A (en) * | 2020-09-17 | 2021-01-12 | 国网浙江桐乡市供电有限公司 | Plug device for cable well sealing |
| CN112217160B (en) * | 2020-09-17 | 2021-09-24 | 国网浙江桐乡市供电有限公司 | Plug device for cable well sealing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205424261U (en) | From inflation formula seal for pipe joints device | |
| CN104763855B (en) | Adjustable pipe connection device | |
| CN104329522B (en) | Mechanical pipe block | |
| CN103672257A (en) | Underground fast hydraulic joint | |
| EP2716954B1 (en) | Plugging machine for interventions of installation, repair, maintenance on pressure fluids supplying piping | |
| CN203556751U (en) | Sealing device for water pressure recombination and water pressure detection of liner stainless steel compound steel pipe | |
| CN202469311U (en) | High-pressure rubber pipe assembly | |
| CN210153402U (en) | Extrusion type sealing blind plate | |
| CN105546268A (en) | Self-expandable pipeline sealing device | |
| CN205606078U (en) | Fast -assembling seal for pipe joints device | |
| CN204114424U (en) | Mechanical pipe block threeway | |
| KR101431732B1 (en) | Short pipe for connecting of booster pump | |
| CN204201368U (en) | A kind of capsule-type oil pipe fracture plugging device | |
| CN104315284B (en) | Mechanical pipe block threeway | |
| CN210800433U (en) | Pipeline plugging device | |
| CN204533956U (en) | A kind of pipeline leakage plugging device | |
| CN103697272B (en) | A kind of deepwater multi-loop connects female joint fast | |
| CN105546269A (en) | Quickly assembled pipeline sealing device | |
| CN104019324A (en) | Quick repairing device for underwater double-layer oil pipeline | |
| CN205743833U (en) | A kind of high pressure VR blocks up | |
| CN100529706C (en) | A device for on-line detection of tube type heat-exchanger leakage point and checking leakage | |
| CN205371875U (en) | High -speed joint pipeline connects with self sealing action | |
| CN103115207B (en) | A kind of Pipe couplings and connecting means | |
| CN204694569U (en) | Steel-plastics composite pipe piston type pressure testing mechanism | |
| CN105526464A (en) | Capsule type oil pipeline fracture plugging device and method of rapidly plugging oil pipeline fracture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |