CN2893135Y - Depacking well head sealer - Google Patents
Depacking well head sealer Download PDFInfo
- Publication number
- CN2893135Y CN2893135Y CN 200520146922 CN200520146922U CN2893135Y CN 2893135 Y CN2893135 Y CN 2893135Y CN 200520146922 CN200520146922 CN 200520146922 CN 200520146922 U CN200520146922 U CN 200520146922U CN 2893135 Y CN2893135 Y CN 2893135Y
- Authority
- CN
- China
- Prior art keywords
- tapered sleeve
- packing
- compensation
- spring
- sealing device
- 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
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a wellhead sealer with the packing set removed, which comprises: an outer shell in which a holding chamber is arranged; a spring unit that is arranged at the bottom of the outer shell; a group of mutually-stacked compensating taper sleeves that are arranged on the spring footstock to form a big end down cone; a compressing tape sleeve that is sleeved and compressed on the group of compensating taper sleeves; a gasket that is arranged on the compressing tape sleeve. The upper part of the outer shell is tightly locked with a press hat; the components are all provided with holes in the middle and sheathed on the polished rod. The spring unit can comprise a spring base, a spring and a spring footstock, which are arranged under the outer shell in turn. The utility model can effectively solve the wellhead sealing problem.
Description
Technical field
The utility model relates to a kind of packing wellhead sealing device that goes.
Background technology
Existing well head place utilizes the packing that is enclosed within one group of radial dimension unanimity on the polished rod to seal, but sucker rod often can not keep fully vertical with well head, sucker rod is descending, the resistance of liquid causes rod sag and vibration, because the conduction of power is rocked polished rod, the well head packing is worn into irregular polygon, caused the well head leakage, gas leak of the oil leakage reduces pump efficiency, pollutes well head; Sucker rod is up, and being flexible coupling of polished rod and wire rope rocked polished rod, and left and right sides eccentric wear not only causes well head poorly sealed, also reduced the application life of packing, gas leak of the oil leakage, the well head pressurize is not enough so that reduce pump efficiency, also must the oil recovery worker often patrol well, often change packing, waste time and energy.
Summary of the invention
The purpose of this utility model provide a kind of can effectively solve the well head sealing problem remove the packing wellhead sealing device.
For achieving the above object, the utility model is taked following design scheme: a kind of packing wellhead sealing device that goes, and it comprises:
One shell body, in offer accommodation chamber;
One spring unit places the bottom of accommodation chamber in the shell body;
Pile up the compensation tapered sleeve that closes mutually for one group and place on the spring footstock, this group compensation tapered sleeve is up-small and down-big cone after piling up and closing;
One compresses the tapered sleeve cover is pressed on this group compensation tapered sleeve;
One sealing mat places and compresses on the tapered sleeve;
The upper end of shell body and a pressure cap are sealed;
Open-work is opened at the equal center of above-mentioned each parts, is placed on the polished rod.
Described spring unit can comprise a spring pedestal, a spring and a spring footstock, and places the bottom of accommodation chamber in the shell body successively.
Between compensation tapered sleeve and spring footstock, be provided with thrust bearing.
The utility model has the advantages that: good sealing effect, and long service life.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is outer shell construction schematic diagram (master, a vertical view)
Fig. 3 is one group of compensation tapered sleeve structural representation (master, vertical view)
Fig. 4 is gasket structure schematic diagram (master, a lateral view)
Fig. 5 compresses the tapered sleeve schematic diagram
The specific embodiment
As shown in Figure 1, the utility model goes the packing wellhead sealing device to comprise a shell body 9, one spring unit places the bottom of accommodation chamber in the shell body, this spring unit can be a spring pedestal 8, a spring 7 and a spring footstock 6 in the present embodiment, and place the bottom of accommodation chamber in the shell body successively, vitals of the present utility model is one group and places the compensation tapered sleeve 4 on the spring footstock 6, one compresses tapered sleeve 3 covers is pressed on this group compensation tapered sleeve, sealing mat 2 places and compresses on the tapered sleeve, and the upper end of shell body and a pressure cap 1 are sealed.
Shown in Figure 2 is the structural representation (comprising front view a and vertical view b) of shell body 9, and accommodation chamber 901 is used for the holding seal member in it.For obtaining better result of use, the shell body accommodation chamber is tubular.
The structure of described compensation tapered sleeve 4 can be referring to Fig. 3 (comprising front view a and vertical view b), after piling up and close, one group of compensation tapered sleeve is up-small and down-big cone, each adjacent compensation tapered sleeve correspondence is respectively offered groove and can be meshing with each other with projection 401 and be in the same place, and guarantees that rotation does not misplace; Each compensates tapered sleeve and all is with diagonal cut joint 402, is beneficial to that trace expands outwardly and inwardly shrinks, and its inclined open 402 is good with 30 ° of gradients, and width is no more than 0.5mm; The diagonal cut joint mutual alignment of described adjacent compensation tapered sleeve is staggered 120 °.One group of compensation tapered sleeve is at least three, adopts three in the present embodiment.
As shown in fig. 1, between compensation tapered sleeve and spring footstock, be provided with needle roller thrust bearing 5, in the present embodiment by about iron plate add and put, this needle roller thrust bearing 5 can play turning effort.Be provided with sealing mat 2 between pressure cap and compensation tapered sleeve, the sealing pad also can have opening 201, shown in Fig. 4 (comprising front view a and lateral view b).
The described structure of tapered sleeve 3 that compresses is referring to Fig. 5.
Operating principle of the present utility model and process: go the packing wellhead sealing device closely to contact with polished rod, when the descending length of spring compressed of sucker rod, it is descending and open that compensate tapered sleeve this moment, reduces the descending resistance of polished rod, makes sucker rod descending smoothly.Up when sucker rod, spring releases energy, and the compensation tapered sleeve is up and hug polished rod, plays the effect of well head sealing, assurance well head pressure, raising pump efficiency.
The utility model removes the oil pumper oil well of packing wellhead sealing device applicable to various models, is suitable for more than the well head pressure scope 1Mpa, and can reach 2 years application life.
Claims (9)
1, a kind of packing wellhead sealing device that goes is characterized in that comprising:
One shell body, in offer accommodation chamber;
One spring unit places the shell body bottom;
Pile up the compensation tapered sleeve that closes mutually for one group and place on the spring footstock, this group compensation tapered sleeve is up-small and down-big cone after piling up and closing;
One compresses the tapered sleeve cover is pressed on this group compensation tapered sleeve;
One sealing mat places and compresses on the tapered sleeve;
The upper end of shell body and a pressure cap are sealed;
Open-work is opened at the equal center of above-mentioned each parts, is placed on the polished rod.
2, the packing wellhead sealing device that goes according to claim 1 is characterized in that: described spring unit comprises a spring pedestal, a spring and a spring footstock, and places the bottom of accommodation chamber in the shell body successively.
3, the packing wellhead sealing device that goes according to claim 2 is characterized in that: be provided with needle roller thrust bearing between compensation tapered sleeve and spring footstock.
4, the packing wellhead sealing device that goes according to claim 1 is characterized in that: described one group of compensation tapered sleeve is the ring of band diagonal cut joint, and staggers mutually in the diagonal cut joint position of pile fashionable adjacent compensation tapered sleeve.
5, the packing wellhead sealing device that goes according to claim 4, it is characterized in that: the diagonal cut joint mutual alignment of described adjacent compensation tapered sleeve is staggered 120 °.
6, the packing wellhead sealing device that goes according to claim 1 is characterized in that: described one group of compensation tapered sleeve each adjacent compensation tapered sleeve correspondence is respectively offered groove and can be meshing with each other with projection and be in the same place.
7, the packing wellhead sealing device that goes according to claim 1 is characterized in that: at pressure cap and compress and be provided with sealing mat between tapered sleeve.
8, the packing wellhead sealing device that goes according to claim 6, it is characterized in that: described sealing mat has 30 ° diagonal cut joint, and the diagonal cut joint width is no more than 0.5mm.
9, the packing wellhead sealing device that goes according to claim 1, it is characterized in that: described shell body accommodation chamber is tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520146922 CN2893135Y (en) | 2005-12-26 | 2005-12-26 | Depacking well head sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520146922 CN2893135Y (en) | 2005-12-26 | 2005-12-26 | Depacking well head sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2893135Y true CN2893135Y (en) | 2007-04-25 |
Family
ID=38061301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520146922 Expired - Fee Related CN2893135Y (en) | 2005-12-26 | 2005-12-26 | Depacking well head sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2893135Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563942A (en) * | 2014-12-29 | 2015-04-29 | 新乡市乔山机械设备有限公司 | Anti-leakage wellhead sealing device |
| CN105201966A (en) * | 2015-10-28 | 2015-12-30 | 湘潭电机股份有限公司 | Taper sleeve device used for providing prestress |
| CN108150126A (en) * | 2018-02-26 | 2018-06-12 | 席建桢 | A kind of automatic adjustment packing box for preventing eccentric wear and oil leak |
| CN111677484A (en) * | 2020-07-22 | 2020-09-18 | 吕学民 | Intelligent ultra-long stroke oil production system |
-
2005
- 2005-12-26 CN CN 200520146922 patent/CN2893135Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563942A (en) * | 2014-12-29 | 2015-04-29 | 新乡市乔山机械设备有限公司 | Anti-leakage wellhead sealing device |
| CN105201966A (en) * | 2015-10-28 | 2015-12-30 | 湘潭电机股份有限公司 | Taper sleeve device used for providing prestress |
| CN108150126A (en) * | 2018-02-26 | 2018-06-12 | 席建桢 | A kind of automatic adjustment packing box for preventing eccentric wear and oil leak |
| CN111677484A (en) * | 2020-07-22 | 2020-09-18 | 吕学民 | Intelligent ultra-long stroke oil production system |
| CN111677484B (en) * | 2020-07-22 | 2023-08-18 | 梅河口市弘业无缝钢管有限公司 | Intelligent ultra-long stroke oil extraction production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20101226 |