CN202900127U - Detachable and replaceable type sealing device - Google Patents
Detachable and replaceable type sealing device Download PDFInfo
- Publication number
- CN202900127U CN202900127U CN 201220507562 CN201220507562U CN202900127U CN 202900127 U CN202900127 U CN 202900127U CN 201220507562 CN201220507562 CN 201220507562 CN 201220507562 U CN201220507562 U CN 201220507562U CN 202900127 U CN202900127 U CN 202900127U
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- China
- Prior art keywords
- sealing
- hollow piston
- sealing device
- short circuit
- cylinder sleeve
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 69
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 3
- 239000010727 cylinder oil Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Gasket Seals (AREA)
Abstract
A detachable and replaceable type sealing device is disclosed, comprising a connecting seat and a flange disc-equipped sealing mechanism, wherein an upper part of the connecting seat is connected with another well head apparatus; and a lower part of the connecting seat is connected with a flange disc of the sealing mechanism through a flange disc, a screw bolt spacing sleeve, a double head screw bolt, screw nuts. The sealing mechanism comprises a flange disc-equipped male pup joint, a cylinder sleeve, a boss-equipped hollow piston arranged n the cylinder sleeve, a return spring is arranged between the boss of the hollow piston and the upper connecting head, a female pup joint which is provided with a bulge loop which is arranged at an inner part of a middle part which is threadedly connected with a lower connecting head of the male pup joint, a lower connecting body which is threadedly connected with a female pup joint, a convex blocking head which is threadedly connected with an inner periphery of the lower connecting head of the male pup joint, upper and lower sealing gaskets which are arranged between the hollow piston and the convex blocking head, and sealing rubber gaskets which are arranged between the upper and lower sealing gaskets, wherein an upper part of the cylinder sleeve is threadedly connected with an upper connecting head of the male pup joint and is provided with an oil inlet opening, and a lower part of the cylinder sleeve is provided with a handle. The detachable and replaceable type sealing device is characterized in that new sealing gaskets can be easily replaced in operation processes after the sealing gaskets are worn, and defects of a conventional device are completely overcome. The detachable and replaceable type sealing device is advantaged by simple structure, high work efficiency, practicality, safety, and reliability.
Description
Technical field
The utility model relates to a kind of coiled tubing, continuous lever or flexible cable and is being lowered to and the out well basic skill or training makes dismountable sealing device in the process, solves the replacing problem after the wearing and tearing of sealing mat in the sealing device.
Background technology
When coiled tubing logging cable is being gone into the well or lifting process in, in order to guarantee the safety in the well in the operation process, the well head of being everlasting is loaded onto sealing device, yet the sealing mat in traditional sealing device weares and teares easily, and sealing mat can't be changed after the wearing and tearing, so just can not guarantee the safe construction in operation process, increase the operation hazards.For head it off, designed a kind of dismountable sealing device, the sealing mat that this device can more renew very like a cork after the sealing mat wearing and tearing in operation process, simple in structure, high efficiency, practical safe and reliable, solved the defective of conventional apparatus fully, device uses good at present.
Summary of the invention
The purpose of this utility model provides a kind of coiled tubing, continuous lever or flexible cable of solving and is being lowered to and is extracting out the dismountable sealing device of changing wearing and tearing sealing mat problem in the bottom process, solve the defective that above-mentioned prior art exists, a kind of safely and reliably operation water-tight equipment is provided.
The technical solution of the utility model is achieved in the following ways:
The utility model comprises the sealing mechanism of Connection Block and flanged dish, and Connection Block top is connected with other wellhead assembly, and the Connection Block bottom is connected with the flange of sealing mechanism by flange, bolt spacer, stud, nut; Sealing mechanism comprises the public short circuit of flanged dish, the top that is threaded with public short circuit top connection is provided with the cylinder sleeve that the oil-in bottom is provided with handle, the hollow piston with boss that is provided with in the cylinder sleeve, the back-moving spring that is provided with between the boss of hollow piston and the top connection, the inside, middle part that is threaded with male short circuit lower contact is provided with female short circuit of bulge loop, the lower connector that is threaded with female short circuit, with in the public short circuit lower contact week convex stopper that is threaded, be located at upper-lower seal pad between hollow piston and the convex stopper and the seal gasket between the upper-lower seal pad.
The bolt spacer is made as cylindrical, and the center is provided with bolt hole.
Hollow piston is made as cylindrical, is provided with sealing ring in the boss periphery of hollow piston.
Cylinder sleeve is made as cylindrical, and the top internal diameter is little, and the bottom internal diameter is large, and top cooperates with the hollow piston movable sealing, and the bottom cooperates with the boss movable sealing of hollow piston.
Flanged (FLGD) public short circuit, the upper and lower is provided with the male joint with male thread, is provided with sealing ring on the top of bottom male thread section.
Lower connector is made as cylindrical, and top is provided with male thread, and the middle part periphery is provided with sealing ring, and the lower end is provided with hoop.
Seal gasket is made as cylindrical, and the center is provided with and continues the centre bore that the oil pipe movable sealing cooperates or be sealed and matched or cooperate with the cable movable sealing with sucker rod, is provided with diagonal cut joint at perisporium.
The utility model pressurizes by the oil cylinder oil inlet mouth, hollow piston is moved down, the crush seal pad makes seal gasket produce distortion to carry out the sealing of coiled tubing or continuous lever or flexible cable, when the sealing mat wearing and tearing can not seal in the course of work, and can first release, hollow piston moves under the effect of back-moving spring, then dismantle cylinder sleeve and piston, take off sealing mat and seal gasket, reinstall the new seal gasket of splitting minute, be loaded on piston and cylinder sleeve, can work on.Distance between Connection Block and the sealing mechanism guarantees to dismantle fully cylinder sleeve and piston.Traditional sealing device is without Connection Block, stud, nut and be not inclined open type sealing mat and seal gasket, so former structure is inconvenient to dismantle cylinder sleeve, piston, sealing mat and seal gasket.
Description of drawings
Fig. 1-structure scheme of installation of the present utility model;
1-Connection Block among the figure, 2-hollow piston, 3-cylinder sleeve, 4-nut, 5-stud, 6-back-moving spring, the public short circuit of the flanged dish of 7-, 8-seal gasket, 9-sealing mat, 10-bolt spacer, 11-convex stopper, the female short circuit of 12-, connector under the 13-, 14-handle.
The specific embodiment:
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
The utility model comprises the sealing mechanism of Connection Block 1 and flanged dish, and Connection Block 1 top is connected with other wellhead assembly, and the Connection Block bottom is connected with the flange of sealing mechanism by flange, bolt spacer 10, stud 5, nut 4; Sealing mechanism comprises the public short circuit 7 of flanged dish, the top that is threaded with public short circuit top connection is provided with the cylinder sleeve 3 that the oil-in bottom is provided with handle 14, the hollow piston 2 with boss that is provided with in the cylinder sleeve 3, the back-moving spring 6 that is provided with between the boss of hollow piston 2 and the top connection, the inside, middle part that is threaded with male short circuit lower contact is provided with female short circuit 12 of bulge loop, the lower connector 13 that is threaded with female short circuit 12, with in the public short circuit lower contact week convex stopper 11 that is threaded, be located at the upper-lower seal pad 9 between hollow piston 2 and the convex stopper 11 and be located at seal gasket 8 between the upper-lower seal pad 9.
The utility model pressurizes by the oil cylinder oil inlet mouth, hollow piston 2 is moved down, crush seal pad 9 makes seal gasket 8 generations be out of shape the sealing of carrying out coiled tubing, continuous lever and flexible cable, when the seal gasket wearing and tearing can not seal in the course of work, can first release, hollow piston 2 moves under the effect of back-moving spring 6, then dismantle cylinder sleeve 3 and piston 2, take off sealing mat 9 and seal gasket 8, reinstall sealing mat and the seal gasket of new inclined open type, be loaded on piston and cylinder sleeve, can work on.Distance between Connection Block 1 and the sealing mechanism guarantees to dismantle fully cylinder sleeve 3 and piston 2.Traditional sealing device is without Connection Block 1, stud 5, nut 4 and be not inclined open type sealing mat and seal gasket, so former structure is inconvenient to dismantle cylinder sleeve 3, hollow piston 2, sealing mat 9 and seal gasket 8.
Claims (7)
1. dismountable sealing device, the sealing mechanism that comprises Connection Block and flanged dish, it is characterized in that: Connection Block top is connected with other wellhead assembly, and the Connection Block bottom is connected with the flange of sealing mechanism by flange, bolt spacer, stud, nut; Sealing mechanism comprises the public short circuit of flanged dish, the top that is threaded with public short circuit top connection is provided with the cylinder sleeve that the oil-in bottom is provided with handle, the hollow piston with boss that is provided with in the cylinder sleeve, the back-moving spring that is provided with between the boss of hollow piston and the top connection, the inside, middle part that is threaded with male short circuit lower contact is provided with female short circuit of bulge loop, the lower connector that is threaded with female short circuit, with in the public short circuit lower contact week convex stopper that is threaded, be located at upper-lower seal pad between hollow piston and the convex stopper and the seal gasket between the upper-lower seal pad.
2. dismountable sealing device according to claim 1, it is characterized in that: the bolt spacer is made as cylindrical, and the center is provided with bolt hole.
3. dismountable sealing device according to claim 1, it is characterized in that: hollow piston is made as cylindrical, is provided with sealing ring in the boss periphery of hollow piston.
4. dismountable sealing device according to claim 1, it is characterized in that: cylinder sleeve is made as cylindrical, and the top internal diameter is little, and the bottom internal diameter is large, and top cooperates with the hollow piston movable sealing, and the bottom cooperates with the boss movable sealing of hollow piston.
5. dismountable sealing device according to claim 1, it is characterized in that: flanged (FLGD) public short circuit, the upper and lower is provided with the male joint with male thread, is provided with sealing ring on the top of bottom male thread section.
6. dismountable sealing device according to claim 1, it is characterized in that: lower connector is made as cylindrical, and top is provided with male thread, and the middle part periphery is provided with sealing ring, and the lower end is provided with hoop.
7. dismountable sealing device according to claim 1, it is characterized in that: seal gasket is made as cylindrical, and the center is provided with and the centre bore that continues the oil pipe movable sealing and cooperate or be sealed and matched or cooperate with cable seal with sucker rod, is provided with diagonal cut joint at perisporium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220507562 CN202900127U (en) | 2012-09-29 | 2012-09-29 | Detachable and replaceable type sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220507562 CN202900127U (en) | 2012-09-29 | 2012-09-29 | Detachable and replaceable type sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900127U true CN202900127U (en) | 2013-04-24 |
Family
ID=48120810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220507562 Expired - Fee Related CN202900127U (en) | 2012-09-29 | 2012-09-29 | Detachable and replaceable type sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900127U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533344A (en) * | 2014-11-06 | 2015-04-22 | 长江大学 | Hydraulic sliding sleeve switch tool |
| CN106321024A (en) * | 2016-08-31 | 2017-01-11 | 胜利油田高原石油装备有限责任公司 | Hydraulic Oil Pumping Unit Using Immobility Machine to Replace Piston Sealing Element in Oil Cylinder And iReplacing Method |
| CN107989569A (en) * | 2017-12-01 | 2018-05-04 | 王鲁洋 | A coiled tubing dynamic sealing device |
-
2012
- 2012-09-29 CN CN 201220507562 patent/CN202900127U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533344A (en) * | 2014-11-06 | 2015-04-22 | 长江大学 | Hydraulic sliding sleeve switch tool |
| CN106321024A (en) * | 2016-08-31 | 2017-01-11 | 胜利油田高原石油装备有限责任公司 | Hydraulic Oil Pumping Unit Using Immobility Machine to Replace Piston Sealing Element in Oil Cylinder And iReplacing Method |
| CN106321024B (en) * | 2016-08-31 | 2018-09-28 | 胜利油田高原石油装备有限责任公司 | Motivation does not replace the hydraulic pumping unit and method of oil cylinder piston sealing element |
| CN107989569A (en) * | 2017-12-01 | 2018-05-04 | 王鲁洋 | A coiled tubing dynamic sealing device |
| CN110725662A (en) * | 2017-12-01 | 2020-01-24 | 王鲁洋 | Device for petroleum industry |
| CN107989569B (en) * | 2017-12-01 | 2020-05-01 | 北京中海沃邦能源投资有限公司 | Coiled tubing dynamic seal device |
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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: 20130424 Termination date: 20160929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |